Nexeo Solutions Inc. (NXEO): First Pacific Advisors LLC Reports New Stake

Robert Rodriguez And Steven Romick‘s First Pacific Advisors LLC recently acquired 24.9 million common shares of Nexeo Solutions Inc. (NASDAQ:NXEO), which account for 27.9% of the company’s outstanding shares, according to a recent 13D filing with the US SEC. Nexeo Solutions, which now represents a merger between WL Ross Holding Corp and  Nexeo Solutions Holdings, LLC, is a new addition to First Pacific Advisors’ portfolio. The filing also revealed that the fund will continue to further examine their investment in the company, and it may engage in discussions with the management, propose strategic alternatives and create proposals regarding company’s business plans.

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Nexeo Solutions is a company that distributes a variety of plastic and chemical products across different continents, while also offering many professional services such as product testing in the form of chemical analysis, private-label manufacturing, and custom blending to name a few. Over the past 12 months, the company’s stock has lost 10.65%. In its latest financial report for the second quarter of fiscal 2016, the company disclosed revenue of $862.2 million, which compares with revenue of $862.2 million for the second quarter of fiscal 2015.

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Among investors tracked by Insider Monkey, at the end of March, the most valuable position in Nexeo Solutions was held by Jeffrey Tannenbaum’s Fir Tree, valued at $48,89 million, and the second biggest position was disclosed by Joshua Friedman And Mitchell Julis’ Canyon Capital Advisors, worth around $39,12 million.

You can access the original SEC filing by clicking here.

Ownership Summary Table

Name Sole Voting Power Shared Voting Power Sole Dispositive Power Shared Dispositive Power Aggregate Amount Owned Power Percent of Class
First Pacific Advisors 0 24,893,357 0 24,893,357 24,893,357 27.9%
FPA Crescent Fund, a series of FPA Funds Trust 0 21,605,125 0 21,605,125 21,605,125 24.2%
FPA Global Opportunity Fund 0 816,923 0 816,923 816,923 0.9%
FPA Select Drawdown Fund 0 1,483,784 0 1,483,784 1,483,784 1.7%
FPA Select Fund 0 99,284 0 99,284 99,284 0.1%
FPA Value Partners Fund 0 241,848 0 241,848 241,848 0.3%
J. Richard Atwood 0 24,893,357 0 24,893,357 24,893,357 27.9%
Steven T. Romick 0 24,893,357 0 24,893,357 24,893,357 27.9%
Brian A. Selmo 0 24,893,357 0 24,893,357 24,893,357 27.9%
Mark Landecker 0 24,893,357 0 24,893,357 24,893,357 27.9%

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Page 1 of 22 – SEC Filing

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 13D

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No.     )*

NEXEO
SOLUTIONS, INC.

(Name of Issuer)

Common Stock, par value $0.0001 per share

(Title and Class of Securities)

65342H102

(CUSIP Number)

J. Richard Atwood

First Pacific Advisors, LLC

11601 Wilshire Blvd.

Suite 1200

Los Angeles,
CA 90025

(310) 473-0225

with a copy to:

Douglas A. Rappaport, Esq.

Akin Gump Strauss Hauer & Feld LLP

One Bryant Park

New
York, NY 10036

(212) 872-1000

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

June 8, 2016

(Date of
Event Which Requires Filing of Statement)

If the filing person has
previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), Rule 13d-1(f) or Rule 13d-1(g), check the following box.  ¨

Note. Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7(b)
for other parties to whom copies are to be sent.

* The remainder of this cover page shall be filled out for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information
which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be
deemed to be filed for the purpose of Section 18 of the Securities Exchange Act of 1934 (Act) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act
(however, see the Notes)

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Page 2 of 22 – SEC Filing


Schedule 13D

CUSIP No. 65342H102
  (1) 

Name of
Reporting Persons:

First Pacific Advisors, LLC

  (2)

Check the Appropriate Box if a Member
of a Group (See Instructions):

(a)  ¨        (b)  ¨

  (3)

SEC Use Only:

  (4)

Source of Funds (See
Instructions):

OO

  (5)

Check if Disclosure of Legal
Proceedings is Required Pursuant to Items 2(d) or 2(e):

¨

  (6)

Citizenship or Place of
Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

  (7) 

Sole Voting Power

0

  (8)

Shared Voting Power

24,893,357 (1)

  (9)

Sole Dispositive Power

0

(10)

Shared Dispositive Power

24,893,357 (1)

(11)

Aggregate Amount Beneficially Owned by Each Reporting Person:

24,893,357 (1)

(12)

Check if the Aggregate Amount in Row
(11) Excludes Certain Shares (See Instructions):

¨

(13)

Percent of Class Represented by Amount
in Row (11):

27.9% (1)(2)

(14)

Type of Reporting Person (See
Instructions):

IA, OO

(1) Includes 89,388 shares of common stock of Nexeo Solutions, Inc. (the Issuer) underlying warrants. See Items 4 and 5 for disclosure regarding securities of the Issuer held directly by WLRS Fund I LLC.
(2) Based on 89,222,418 shares of the Issuers common stock outstanding as of June 10, 2016, according to information provided by the Issuer.

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Page 3 of 22 – SEC Filing


Schedule 13D

CUSIP No. 65342H102
  (1) 

Name of
Reporting Persons:

FPA Crescent Fund, a series of FPA Funds Trust

  (2)

Check the Appropriate Box if a Member
of a Group (See Instructions):

(a)  ¨        (b)  ¨

  (3)

SEC Use Only:

  (4)

Source of Funds (See
Instructions):

WC

  (5)

Check if Disclosure of Legal
Proceedings is Required Pursuant to Items 2(d) or 2(e):

¨

  (6)

Citizenship or Place of
Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

  (7) 

Sole Voting Power

0

  (8)

Shared Voting Power

21,605,125

  (9)

Sole Dispositive Power

0

(10)

Shared Dispositive Power

21,605,125

(11)

Aggregate Amount Beneficially Owned by Each Reporting Person:

21,605,125

(12)

Check if the Aggregate Amount in Row
(11) Excludes Certain Shares (See Instructions):

¨

(13)

Percent of Class Represented by Amount
in Row (11):

24.2% (1)

(14)

Type of Reporting Person (See
Instructions):

IV

(1) Based on 89,222,418 shares of the Issuers common stock outstanding as of June 10, 2016, according to information provided by the Issuer. See Items 4 and 5 for disclosure regarding securities of the Issuer held
directly by WLRS Fund I LLC.

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Page 4 of 22 – SEC Filing


Schedule 13D

CUSIP No. 65342H102
  (1) 

Name of
Reporting Persons:

FPA Global Opportunity Fund

  (2)

Check the Appropriate Box if a Member
of a Group (See Instructions):

(a)  ¨        (b)  ¨

  (3)

SEC Use Only:

  (4)

Source of Funds (See
Instructions):

WC

  (5)

Check if Disclosure of Legal
Proceedings is Required Pursuant to Items 2(d) or 2(e):

¨

  (6)

Citizenship or Place of
Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

  (7) 

Sole Voting Power

0

  (8)

Shared Voting Power

816,923

  (9)

Sole Dispositive Power

0

(10)

Shared Dispositive Power

816,923

(11)

Aggregate Amount Beneficially Owned by Each Reporting Person:

816,923

(12)

Check if the Aggregate Amount in Row
(11) Excludes Certain Shares (See Instructions):

¨

(13)

Percent of Class Represented by Amount
in Row (11):

0.9% (1)

(14)

Type of Reporting Person (See
Instructions):

OO

(1) Based on 89,222,418 shares of the Issuers common stock outstanding as of June 10, 2016, according to information provided by the Issuer.

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Page 5 of 22 – SEC Filing


Schedule 13D

CUSIP No. 65342H102
  (1) 

Name of
Reporting Persons:

FPA Select Drawdown Fund, L.P.

  (2)

Check the Appropriate Box if a Member
of a Group (See Instructions):

(a)  ¨        (b)  ¨

  (3)

SEC Use Only:

  (4)

Source of Funds (See
Instructions):

WC

  (5)

Check if Disclosure of Legal
Proceedings is Required Pursuant to Items 2(d) or 2(e):

¨

  (6)

Citizenship or Place of
Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

  (7) 

Sole Voting Power

0

  (8)

Shared Voting Power

1,483,784

  (9)

Sole Dispositive Power

0

(10)

Shared Dispositive Power

1,483,784

(11)

Aggregate Amount Beneficially Owned by Each Reporting Person:

1,483,784

(12)

Check if the Aggregate Amount in Row
(11) Excludes Certain Shares (See Instructions):

¨

(13)

Percent of Class Represented by Amount
in Row (11):

1.7% (1)

(14)

Type of Reporting Person (See
Instructions):

PN

(1) Based on 89,222,418 shares of the Issuers common stock outstanding as of June 10, 2016, according to information provided by the Issuer.

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Page 6 of 22 – SEC Filing


Schedule 13D

CUSIP No. 65342H102
  (1) 

Name of
Reporting Persons:

FPA Select Fund

  (2)

Check the Appropriate Box if a Member
of a Group (See Instructions):

(a)  ¨        (b)  ¨

  (3)

SEC Use Only:

  (4)

Source of Funds (See
Instructions):

WC

  (5)

Check if Disclosure of Legal
Proceedings is Required Pursuant to Items 2(d) or 2(e):

¨

  (6)

Citizenship or Place of
Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

  (7) 

Sole Voting Power

0

  (8)

Shared Voting Power

99,284

  (9)

Sole Dispositive Power

0

(10)

Shared Dispositive Power

99,284

(11)

Aggregate Amount Beneficially Owned by Each Reporting Person:

99,284

(12)

Check if the Aggregate Amount in Row
(11) Excludes Certain Shares (See Instructions):

¨

(13)

Percent of Class Represented by Amount
in Row (11):

0.1% (1)

(14)

Type of Reporting Person (See
Instructions):

OO

(1) Based on 89,222,418 shares of the Issuers common stock outstanding as of June 10, 2016, according to information provided by the Issuer.

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Page 7 of 22 – SEC Filing


Schedule 13D

CUSIP No. 65342H102
  (1) 

Name of
Reporting Persons:

FPA Value Partners Fund

  (2)

Check the Appropriate Box if a Member
of a Group (See Instructions):

(a)  ¨        (b)  ¨

  (3)

SEC Use Only:

  (4)

Source of Funds (See
Instructions):

WC

  (5)

Check if Disclosure of Legal
Proceedings is Required Pursuant to Items 2(d) or 2(e):

¨

  (6)

Citizenship or Place of
Organization:

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

  (7) 

Sole Voting Power

0

  (8)

Shared Voting Power

241,848 (1)

  (9)

Sole Dispositive Power

0

(10)

Shared Dispositive Power

241,848 (1)

(11)

Aggregate Amount Beneficially Owned by Each Reporting Person:

241,848 (1)

(12)

Check if the Aggregate Amount in Row
(11) Excludes Certain Shares (See Instructions):

¨

(13)

Percent of Class Represented by Amount
in Row (11):

0.3% (1)(2)

(14)

Type of Reporting Person (See
Instructions):

OO

(1) Includes 89,388 shares of common stock of the Issuer underlying warrants.
(2) Based on 89,222,418 shares of the Issuers common stock outstanding as of June 10, 2016, according to information provided by the Issuer.

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Page 8 of 22 – SEC Filing


Schedule 13D

CUSIP No. 65342H102
  (1) 

Name of
Reporting Persons:

J. Richard Atwood

  (2)

Check the Appropriate Box if a Member
of a Group (See Instructions):

(a)  ¨        (b)  ¨

  (3)

SEC Use Only:

  (4)

Source of Funds (See
Instructions):

OO

  (5)

Check if Disclosure of Legal
Proceedings is Required Pursuant to Items 2(d) or 2(e):

¨

  (6)

Citizenship or Place of
Organization:

United States

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

  (7) 

Sole Voting Power

0

  (8)

Shared Voting Power

24,893,357 (1)

  (9)

Sole Dispositive Power

0

(10)

Shared Dispositive Power

24,893,357 (1)

(11)

Aggregate Amount Beneficially Owned by Each Reporting Person:

24,893,357 (1)

(12)

Check if the Aggregate Amount in Row
(11) Excludes Certain Shares (See Instructions):

¨

(13)

Percent of Class Represented by Amount
in Row (11):

27.9% (1)(2)

(14)

Type of Reporting Person (See
Instructions):

IN, HC

(1) Includes 89,388 shares of common stock of the Issuer underlying warrants. See Items 4 and 5 for disclosure regarding securities of the Issuer held directly by WLRS Fund I LLC.
(2) Based on 89,222,418 shares of the Issuers common stock outstanding as of June 10, 2016, according to information provided by the Issuer.

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Page 9 of 22 – SEC Filing


Schedule 13D

CUSIP No. 65342H102
  (1) 

Name of
Reporting Persons:

Steven T. Romick

  (2)

Check the Appropriate Box if a Member
of a Group (See Instructions):

(a)  ¨        (b)  ¨

  (3)

SEC Use Only:

  (4)

Source of Funds (See
Instructions):

OO

  (5)

Check if Disclosure of Legal
Proceedings is Required Pursuant to Items 2(d) or 2(e):

¨

  (6)

Citizenship or Place of
Organization:

United States

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

  (7) 

Sole Voting Power

0

  (8)

Shared Voting Power

24,893,357 (1)

  (9)

Sole Dispositive Power

0

(10)

Shared Dispositive Power

24,893,357 (1)

(11)

Aggregate Amount Beneficially Owned by Each Reporting Person:

24,893,357 (1)

(12)

Check if the Aggregate Amount in Row
(11) Excludes Certain Shares (See Instructions):

¨

(13)

Percent of Class Represented by Amount
in Row (11):

27.9% (1)(2)

(14)

Type of Reporting Person (See
Instructions):

IN, HC

(1) Includes 89,388 shares of common stock of the Issuer underlying warrants. See Items 4 and 5 for disclosure regarding securities of the Issuer held directly by WLRS Fund I LLC.
(2) Based on 89,222,418 shares of the Issuers common stock outstanding as of June 10, 2016, according to information provided by the Issuer.

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Page 10 of 22 – SEC Filing


Schedule 13D

CUSIP No. 65342H102
  (1) 

Name of
Reporting Persons:

Brian A. Selmo

  (2)

Check the Appropriate Box if a Member
of a Group (See Instructions):

(a)  ¨        (b)  ¨

  (3)

SEC Use Only:

  (4)

Source of Funds (See
Instructions):

OO

  (5)

Check if Disclosure of Legal
Proceedings is Required Pursuant to Items 2(d) or 2(e):

¨

  (6)

Citizenship or Place of
Organization:

United States

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

  (7) 

Sole Voting Power

0

  (8)

Shared Voting Power

24,893,357 (1)

  (9)

Sole Dispositive Power

0

(10)

Shared Dispositive Power

24,893,357 (1)

(11)

Aggregate Amount Beneficially Owned by Each Reporting Person:

24,893,357 (1)

(12)

Check if the Aggregate Amount in Row
(11) Excludes Certain Shares (See Instructions):

¨

(13)

Percent of Class Represented by Amount
in Row (11):

27.9% (1)(2)

(14)

Type of Reporting Person (See
Instructions):

IN, HC

(1) Includes 89,388 shares of common stock of the Issuer underlying warrants. See Items 4 and 5 for disclosure regarding securities of the Issuer held directly by WLRS Fund I LLC.
(2) Based on 89,222,418 shares of the Issuers common stock outstanding as of June 10, 2016, according to information provided by the Issuer.

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Page 11 of 22 – SEC Filing


Schedule 13D

CUSIP No. 65342H102
  (1) 

Name of
Reporting Persons:

Mark Landecker

  (2)

Check the Appropriate Box if a Member
of a Group (See Instructions):

(a)  ¨        (b)  ¨

  (3)

SEC Use Only:

  (4)

Source of Funds (See
Instructions):

OO

  (5)

Check if Disclosure of Legal
Proceedings is Required Pursuant to Items 2(d) or 2(e):

¨

  (6)

Citizenship or Place of
Organization:

Canada

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

  (7) 

Sole Voting Power

0

  (8)

Shared Voting Power

24,893,357 (1)

  (9)

Sole Dispositive Power

0

(10)

Shared Dispositive Power

24,893,357 (1)

(11)

Aggregate Amount Beneficially Owned by Each Reporting Person:

24,893,357 (1)

(12)

Check if the Aggregate Amount in Row
(11) Excludes Certain Shares (See Instructions):

¨

(13)

Percent of Class Represented by Amount
in Row (11):

27.9% (1)(2)

(14)

Type of Reporting Person (See
Instructions):

IN, HC

(1) Includes 89,388 shares of common stock of the Issuer underlying warrants. See Items 4 and 5 for disclosure regarding securities of the Issuer held directly by WLRS Fund I LLC.
(2) Based on 89,222,418 shares of the Issuers common stock outstanding as of June 10, 2016, according to information provided by the Issuer.

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Page 12 of 22 – SEC Filing


Schedule 13D

CUSIP No. 65342H102

ITEM 1. SECURITY AND ISSUER

The class of equity security to which this statement on Schedule 13D relates is the
common stock, par value $0.0001 per share (the Common Stock) of Nexeo Solutions, Inc. (the Issuer), a Delaware corporation. The address of the principal executive offices of the Issuer is 3 Waterway Square Place, Suite 1000,
The Woodlands, Texas 77380.

Information given in response to each item shall be deemed incorporated by reference in all other items, as applicable.

ITEM 2. IDENTITY AND BACKGROUND
(a) The persons filing this Schedule 13D (collectively, the Reporting Persons) are:
1. First Pacific Advisors, LLC, a Delaware limited liability company (FPA)
2. FPA Crescent Fund, a series of FPA Funds Trust, a Delaware trust (FPA Crescent Fund)
3. FPA Global Opportunity Fund, a series of FPA Hawkeye Fund, LLC, a Delaware limited liability company (FPA Global Opportunity)
4. FPA Select Drawdown Fund, L.P., a Delaware limited partnership (FPA Select Drawdown)
5. FPA Select Fund, a series of FPA Hawkeye Fund, LLC, a Delaware limited liability company (FPA Select)
6. FPA Value Partners Fund, a series of FPA Hawkeye Fund, LLC, a Delaware limited liability company (FPA Value Partners)
7. J. Richard Atwood
8. Steven T. Romick
9. Brian A. Selmo
10. Mark Landecker

The trustees of FPA Funds Trust are listed on Appendix A hereto. Appendix A is incorporated
herein by reference.

(b) The business address or address of the principal office, as applicable, of the Reporting Persons is:

11601 Wilshire Blvd.

Suite 1200

Los Angeles, CA 90025

(c) Each of the Reporting Persons is
engaged in the business of investing. FPAs principal business is serving as an investment adviser to certain investment companies, including FPA Crescent, certain private investment funds, including FPA Global Opportunity, FPA Select Drawdown,
FPA Select, and FPA Value Partners (collectively, the Private Investment

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Page 13 of 22 – SEC Filing


Funds), and certain unaffiliated separately managed accounts (the Managed Accounts). FPA also serves as the general partner of FPA Select Drawdown and Manager of FPA Global
Opportunity, FPA Select, FPA Value Partners, and FPA Hawkeye Fund, LLC. The principal occupation of Mr. Atwood is serving as a Managing Partner of FPA. The principal occupation of Mr. Romick is serving as a Portfolio Manager of certain advisory
clients for which FPA serves as investment adviser and as a Managing Partner of FPA. The principal occupation of each of Messrs. Selmo and Landecker is serving as a Portfolio Manager of certain advisory clients for which FPA serves as investment
adviser and as a Partner of FPA.

(d) and (e) During the past five years, none of the Reporting Persons (nor any of the persons listed on Appendix A)
has been (i) convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors) or (ii) a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding
was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

(f) The citizenship with respect to a natural person or state of organization with respect to an entity, as applicable, of the Reporting Persons is as
follows:

1. FPA Delaware
2. FPA Crescent Fund Delaware
3. FPA Global Opportunity Delaware
4. FPA Select Drawdown Delaware
5. FPA Select Delaware
6. FPA Value Partners Delaware
7. J. Richard Atwood United States
8. Steven T. Romick United States
9. Brian A. Selmo United States
10. Mark Landecker Canada

The persons listed on Appendix A are all United States citizens.

ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

The disclosure in Item 4 is incorporated herein
by reference.

The aggregate purchase price (inclusive of commissions) of the securities of the Issuer reported herein was $203,659,990.78. The securities
of the Issuer reported herein were purchased with the working capital of investment advisory clients of FPA, including the working capital of FPA Crescent Fund, FPA Global Opportunity, FPA Select Drawdown, FPA Select, FPA Value Partners, and the
Managed Accounts.

ITEM 4. PURPOSE OF TRANSACTION

The Reporting Persons acquired the securities of the Issuer reported herein for
investment purposes.

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Page 14 of 22 – SEC Filing


Subscription Agreement

In connection with the proposed business combination between WL Ross Holding Corp. (WL Ross Holding) and Nexeo Solutions Holdings, LLC pursuant to
the Agreement and Plan of Merger, dated as of March 21, 2016 (the Business Combination), on May 23, 2016, WL Ross Holding entered into a subscription agreement (the Subscription Agreement) with WL Ross Sponsor LLC
(WLRS) and FPA, on behalf of certain of its investment advisory clients, pursuant to which FPA purchased 18,260,000 shares of WL Ross Holdings common stock on a private placement basis (the PIPE Shares) for $10 per
share. The closing of the transactions pursuant to the Subscription Agreement were subject to certain material contingencies, including WL Ross Holding obtaining the required approvals from its stockholders for the proposals related to the Business
Combination. All such material contingencies were satisfied on June 8, 2016, the Business Combination closed on June 9, 2016, and in connection with the closing of the Business Combination, WL Ross Holding changed its name to Nexeo
Solutions, Inc.

FPA allocated the PIPE Shares to the accounts of certain of its investment advisory clients, including FPA Crescent Fund and the Managed
Accounts. The PIPE Share holdings of FPA Crescent Fund and the Managed Accounts are detailed in a chart in Item 5 below and such information is incorporated into this Item 4 by reference.

In addition, pursuant to the Subscription Agreement, WLRS transferred to FPA 2,509,819 shares of Common Stock designated as Founder Shares from the 12,506,250
Founder Shares that WLRS received at the time of the Issuers initial public offering. FPA allocated the Founder Shares received pursuant to the Subscription Agreement to certain investment advisory clients, including FPA Crescent Fund and the
Managed Accounts. The Founder Share holdings of FPA Crescent Fund and the Managed Accounts are detailed in a chart in Item 5 below and such information is incorporated into this Item 4 by reference.

The Founder Shares are subject to certain restrictions on transfer (the Share Price Restrictions), including: (i) with respect to 50% of the
Founder Shares, such shares cannot be transferred unless the last sale price of the Issuers Common Stock equals or exceeds $12.50 per share (as adjusted for stock splits, dividends, reorganizations, recapitalizations and the like) for any 20
trading days within any 30-trading day period, and (ii) with respect to the remaining 50% of the Founder Shares, such shares cannot be transferred unless the last sale price of the Issuers Common Stock equals or exceeds $15 per share (as
adjusted for stock splits, dividends, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period. If such Share Price Restrictions have not been satisfied, the Founder Shares must be forfeited to the
Issuer on the tenth anniversary of the consummation of the Business Combination.

Furthermore, pursuant to the Subscription Agreement, WLRS transferred to
WLRS Fund I LLC (WLRS Fund), a Delaware limited liability company formed and controlled by WLRS and in which investment advisory clients of FPA are members and own a 99.9% economic interest, an additional 1,256,166 Founder Shares (the
LLC Founder Shares) and 225,533 newly issued shares of the Issuers Common Stock that WLRS received in exchange for a portion of its private placement warrants (the LLC Exchange Shares). Transfers of the LLC Founder
Shares are subject to the Share Price Restrictions described above, and pursuant to the Subscription Agreement, the LLC Founder Shares and the LLC Exchange Shares are subject to

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Page 15 of 22 – SEC Filing


certain restrictions on transfer detailed in that Shareholders and Registration Rights Agreement, dated March 21, 2016, among WL Ross Holding, WLRS and Nexeo Holdco, LLC (the
Stockholders Agreement). Pursuant to such restrictions, without the prior written consent of TPG Global, LLC and WLRS (collectively, the Sponsors), the LLC Founder Shares and the LLC Exchange Shares cannot be
transferred during the first six months following the closing of the Business Combination (the Lock-Up Period), and then, subject to any permitted underwritten offerings pursuant to the Stockholders Agreement and other permitted
transfers, cannot be transferred through the earlier of 12 months following the expiration of the Lock-Up Period or such time as the Sponsors no longer hold 50% of their initial ownership of the Issuers Common Stock.

FPA may be deemed to share investment power over the securities of the Issuer held by WLRS Fund because FPA is the investment adviser of members of WLRS Fund,
including FPA Crescent Fund and the Managed Accounts, and such members have an approval right with respect to transfers of the securities of the Issuer held by WLRS Fund pursuant to the limited liability company operating agreement of WLRS Fund (the
LLC Agreement). As members of WLRS Fund, FPA Crescent Fund and the Managed Accounts may also be deemed to share investment power over the securities of the Issuer held by WLRS Fund due to such approval right. Pursuant to the LLC
Agreement, at any time following the lapse of the transfer restrictions on the LLC Founder Shares and the LLC Exchange Shares, each member of WLRS Fund may elect by written notice to the Manager of WLRS Fund to receive a distribution of such
unrestricted LLC Founder Shares and LLC Exchange Shares up to such members pro rata portion of its respective membership percentage.

The
Subscription Agreement provides that shares of the Issuers Common Stock beneficially owned by FPA and its affiliates will be subject to a lock-up commencing from May 23, 2016, and ending 180 days after the closing of the transactions
pursuant to the Subscription Agreement, which occurred on June 9, 2016.

The foregoing description of the Subscription Agreement does not purport to
be complete and is qualified in its entirety by reference to the full text of the Subscription Agreement, which is incorporated by reference as Exhibit 99.2, and is incorporated herein by reference.

Registration Rights Agreement

On May 23, 2016, WL
Ross Holding also entered into a Registration Rights Agreement with WLRS and FPA, on behalf of certain of its clients (the Registration Rights Agreement). Pursuant to the Registration Rights Agreement, within 15 business days following
the consummation of the Business Combination, the Issuer will file with the Securities and Exchange Commission (the SEC) a shelf registration statement relating to the resale of the PIPE Shares, Founder Shares, LLC Founder Shares and LLC
Exchange Shares (collectively, the Registrable Securities) received pursuant to the Subscription Agreement. Pursuant to the Registration Rights Agreement, the Issuer will use its reasonable best efforts to keep such shelf registration
statement continuously effective until the date as of which all Registrable Securities have been sold pursuant to the shelf registration statement or another registration statement is filed.

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In addition, pursuant to the Registration Rights Agreement, the holders of at least a majority in interest of the
then outstanding number of Registrable Securities may make up to two written demands for registration of all or part of their Registrable Securities, provided that the aggregate value of the Registrable Securities to be offered is at least $50
million, and the Issuer will be required to file a registration statement with the SEC relating to the resale of Registrable Securities requested by such holders within 30 business days of a demand. Furthermore, subject to certain cutback provisions
and other limitations set forth in the Registration Rights Agreement, if the majority holders of Registrable Securities as part of their demand registration advise the Issuer that the offering of Registrable Securities shall be in the form of an
underwritten offering conditioned upon the participating holders entry into an underwriting agreement in customary form with underwriters selected by the Issuer, the Issuer will be obligated to conduct the underwritten offering no more than two
times.

Pursuant to the Registration Rights Agreement, if the Issuer at any time proposes to conduct an underwritten offering of its equity securities for
its own account or for the account of any other person, it will give notice to the holders of the Registrable Securities and subject to the terms of the Stockholders Agreement, and, subject to certain cutback provisions and other limitations
described in the Registration Rights Agreement, will offer holders of the Registrable Securities the opportunity to include in such underwritten offering the number of Registrable Securities that the holders request in writing equal to the lesser of
(a) Registrable Securities with an aggregate value of at least $10 million at the time of such request and (b) all of the such holders remaining Registrable Securities, unless such holder is permitted to resell its Registrable
Securities pursuant to Rule 144 under the Securities Act of 1933, as amended (the Securities Act) without volume limitations or other restrictions on transfer thereunder.

The foregoing description of the Registration Rights Agreement does not purport to be complete and is qualified in its entirety by reference to the full text
of the Registration Rights Agreement, which is incorporated by reference as Exhibit 99.3, and is incorporated herein by reference.

Commitment
Agreement

On June 6, 2016, WL Ross Holding entered into a commitment agreement (the Commitment Agreement) with WLRS and FPA, on
behalf of the Private Investment Funds, pursuant to which FPA agreed not to redeem 2,094,727 shares of Common Stock held in the accounts of the Private Investment Funds in connection with the closing of the Business Combination. In consideration for
the promise not to redeem such shares of Common Stock, following the closing of the Business Combination, WLRS transferred to FPA (i) 431,877 Founder Shares (the Commitment Agreement Founder Shares) and (ii) 25,847 newly issued
shares of Common Stock that WLRS received in exchange for a portion of its private placement warrants (the Commitment Agreement Exchange Shares, and together with the Commitment Agreement Founder Shares, the Commitment Agreement
Shares). All material contingencies to the consummation of the transactions pursuant to the Commitment Agreement were satisfied on June 8, 2016.

Transfers of the Commitment Agreement Founder Shares are subject to the Share Price Restrictions described above. FPA allocated the Commitment Agreement
Shares to the accounts of the Private Investment Funds. The holdings of the Private Investment Funds are detailed in a chart in Item 5 below and such information is incorporated into this Item 4 by reference.

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In addition, pursuant to the Commitment Agreement, no later than 15 business days following the consummation of
the Business Combination, the Issuer will file with the SEC a registration statement registering the resale of the Commitment Agreement Shares and use its reasonable best efforts to have the registration statement declared effective as soon as
reasonably practicable after the filing thereof and maintain the effectiveness of the registration statement until such time as the Commitment Agreement Shares have been sold thereunder or can be sold in market transactions pursuant to Rule 144
without volume limitations under the Securities Act.

The foregoing description of the Commitment Agreement does not purport to be complete and is
qualified in its entirety by reference to the full text of the Commitment Agreement, which is incorporated by reference as Exhibit 99.4, and is incorporated herein by reference.

The Reporting Persons continuously assess the Issuers business, financial condition, results of operations and prospects, general economic conditions,
other developments and additional investment opportunities. Depending on such assessments, the Reporting Persons may acquire additional securities of the Issuer or new securities of the Issuer, engage in any hedging or similar transactions with
respect to the Issuers securities, or may determine to sell or otherwise dispose of all or some of the Issuers securities in the open market, as applicable, in privately negotiated transactions, in transactions directly with the Issuer
or otherwise. Such actions will depend upon a variety of factors, including, without limitation, current and anticipated future trading prices, the financial condition, results of operations and prospects of the Issuer, alternative investment
opportunities, general economic, financial market and industry conditions and other factors that the Reporting Persons may deem material to their investment decision.

Going forward, the Reporting Persons may have conversations with members of the Issuers management team and members of the Issuers Board of
Directors (the Board) regarding multiple topics, including, but not limited to, general business operations and strategic alternatives to promote long-term value for the benefit of all shareholders. The Reporting Persons may engage in
communications with one or more officers, members of Board, representatives, shareholders of the Issuer and other relevant parties regarding the Issuers business and certain initiatives, which could include one or more of the items in
subsections (a) through (j) of Item 4 of Schedule 13D. The Reporting Persons may, at any time and from time to time, review or reconsider their position and/or change their purpose and/or formulate plans or proposals with respect thereto.

ITEM 5. INTEREST IN SECURITIES OF THE ISSUER

The information in Item 4 is incorporated herein by reference.

(a) and (b) Items 7 through 11 and 13 of each of the cover pages of this Schedule 13D are incorporated herein by reference.

Set forth below is the aggregate number of shares of Common Stock directly held, as of the date hereof, by each of the following FPA investment advisory
clients and by WLRS Fund.

Holder

Total Number of Shares

FPA Crescent Fund 20,123,426 shares of Common Stock (including 17,691,717 PIPE Shares and 2,431,709 Founder Shares)
Managed Accounts 646,393 shares of Common Stock (including 568,283 PIPE Shares and 78,110 Founder Shares)
FPA Global Opportunity 816,923 shares of Common Stock (including 138,224 Commitment Agreement Founder Shares and 8,272 Commitment Agreement Exchange Shares)
FPA Select Drawdown 1,483,784 shares of Common Stock (including 251,058 Commitment Agreement Founder Shares and 15,026 Commitment Agreement Exchange Shares)
FPA Select 99,284 shares of Common Stock (including 16,799 Commitment Agreement Founder Shares and 1,005 Commitment Agreement Exchange Shares)
FPA Value Partners 241,848(1) shares of Common Stock (including 25,796 Commitment Agreement Founder Shares and 1,544 Commitment Agreement Exchange Shares)
WLRS Fund 1,481,699 (including 1,256,166 LLC Founder Shares and 225,533 LLC Exchange Shares)
(1) Such share amount includes 89,388 shares of Common Stock underlying warrants issued pursuant to a Warrant Agreement, dated June 5, 2014, by and between WL Ross Holding and Continental Stock Transfer &
Trust Company (the Warrant Agreement) that may be exercised 30 days following the closing of the Business Combination for an exercise price of $11.50 per share and expire five years following the closing of the Business Combination.

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As the investment adviser of FPA Crescent Fund, the Managed Accounts and the Private Investment Funds
(collectively, the FPA Clients), FPA may be deemed to share voting and/or investment power over the securities of the Issuer held by the FPA Clients and therefore may be deemed to beneficially own such securities. In addition, as the
investment adviser to members of WLRS Fund, FPA may be deemed to share investment power over the securities of the Issuer held by WLRS Fund due such members approval right with respect to transfers of the securities of the Issuer held by WLRS
Fund, and therefore FPA may be deemed to beneficially own such securities. As members of WLRS Fund, FPA Crescent Fund and the Managed Accounts may also be deemed to share investment power over the securities of the Issuer held by WLRS Fund due to
such approval right, and therefore FPA Crescent Fund and the Managed Accounts may be deemed to beneficially own such securities.

(c) The information in
Item 4 is incorporated herein by reference. Except as set forth in Exhibit 99.5 attached hereto or disclosed elsewhere in this Schedule 13D, there have been no transactions in securities of the Issuer during the 60 days prior to the date hereof by
any of the Reporting Persons.

(d) The disclosure regarding the relationship between the Reporting Persons in Item 2(c) of this Schedule 13D is
incorporated by reference herein. The limited partners of (or investors in) each of the FPA Clients for which FPA acts as general partner, managing member and/or investment adviser have the right to participate in the receipt of dividends from, or
proceeds from the sale of, the shares of Common Stock held for the accounts of their respective funds in accordance with their respective limited partnership interests (or investment percentages) in their respective funds.

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Page 19 of 22 – SEC Filing


(e) Not applicable.

ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO SECURITIES OF THE ISSUER

The
disclosure regarding the Subscription Agreement contained in Item 4 is incorporated herein by reference.

The Subscription Agreement is incorporated
by reference as Exhibit 99.2 to this Schedule 13D and is incorporated herein by reference.

The disclosure regarding the Registration Rights Agreement
contained in Item 4 is incorporated herein by reference.

The Registration Rights Agreement is incorporated by reference as Exhibit 99.3 to this
Schedule 13D and is incorporated herein by reference.

The disclosure regarding the Commitment Agreement contained in Item 4 is incorporated herein
by reference.

The Commitment Agreement is incorporated by reference as Exhibit 99.4 to this Schedule 13D and is incorporated herein by reference.

The disclosure regarding the Warrant Agreement contained in Item 5 is incorporated herein by reference.

ITEM 7. MATERIAL TO BE FILED AS EXHIBITS

Exhibit

Description

99.1 Agreement Regarding the Joint Filing of Schedule 13D by and among the Reporting Persons.
99.2 Subscription Agreement, dated May 23, 2016, by and among WL Ross Holding Corp., WL Ross Sponsor LLC and First Pacific Advisors, LLC, on behalf of one or more clients (incorporated by reference to Exhibit 10.1 to the Issuers
Current Report on Form 8-K, filed with the SEC on May 24, 2016).
99.3 Registration Rights Agreement, dated May 23, 2016, by and among WL Ross Holding Corp., WL Ross Sponsor LLC and First Pacific Advisors, LLC, on behalf of one or more clients (incorporated by reference to Exhibit 10.2 to the
Issuers Current Report on Form 8-K, filed with the SEC on May 24, 2016).
99.4 Commitment Agreement, dated June 6, 2016, by and among WL Ross Holding Corp., WL Ross Sponsor LLC and First Pacific Advisors, LLC, on behalf of one or more clients (incorporated by reference to Exhibit 10.1 to the Issuers
Current Report on Form 8-K, filed with the SEC on June 7, 2016).
99.5 Transactions in securities of the Issuer effected in the past 60 days.

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SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, each of the undersigned certifies that the information set forth in this statement is
true, complete and correct.

Dated as of June 20, 2016

First Pacific Advisors, LLC
By:

/s/ J. Richard Atwood

Name: J. Richard Atwood
Title: Managing Partner
FPA Crescent Fund, a series of FPA Funds Trust
By:

/s/ J. Richard Atwood

Name: J. Richard Atwood
Title: President
FPA Global Opportunity Fund
By: First Pacific Advisors, LLC, its investment adviser
By:

/s/ J. Richard Atwood

Name: J. Richard Atwood
Title: Managing Partner
FPA Select Drawdown Fund, L.P.
By: First Pacific Advisors, LLC, its investment adviser
By:

/s/ J. Richard Atwood

Name: J. Richard Atwood
Title: Managing Partner
FPA Select Fund
By: First Pacific Advisors, LLC, its investment adviser
By:

/s/ J. Richard Atwood

Name: J. Richard Atwood
Title: Managing Partner
FPA Value Partners Fund
By: First Pacific Advisors, LLC, its investment adviser
By:

/s/ J. Richard Atwood

Name: J. Richard Atwood
Title: Managing Partner

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J. Richard Atwood
By:

/s/ J. Richard Atwood

Steven T. Romick
By:

/s/ Steven T. Romick

Brian A. Selmo
By:

/s/ Brian A. Selmo

Mark Landecker
By:

/s/ Mark Landecker

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Page 22 of 22 – SEC Filing


Appendix A

Trustees of FPA Funds Trust

Name

Position

Address

Mark L. Lipson

Trustee

c/o FPA Funds Trust

11601 Wilshire Blvd., Suite 1200

Los Angeles, CA 90025

Alfred E. Osborne, Jr. Trustee

c/o FPA Funds Trust

11601 Wilshire Blvd., Suite 1200

Los Angeles, CA 90025

A. Robert Pisano Trustee

c/o FPA Funds Trust

11601 Wilshire Blvd., Suite 1200

Los Angeles, CA 90025

Patrick B. Purcell Trustee

c/o FPA Funds Trust

11601 Wilshire Blvd., Suite 1200

Los Angeles, CA 90025

Allan M. Rudnick Trustee & Chairman

c/o FPA Funds Trust

11601 Wilshire Blvd., Suite 1200

Los Angeles, CA 90025

Steven T. Romick Trustee

c/o FPA Funds Trust

11601 Wilshire Blvd., Suite 1200

Los Angeles, CA 90025

J. Richard Atwood Trustee

c/o FPA Funds Trust

11601 Wilshire Blvd., Suite 1200

Los Angeles, CA 90025

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