Filing Details

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

x

Rule 13d-1(b)

o

Rule 13d-1(c)

o

Rule 13d-1(d)

CUSIP No.:  31446L100

13G

Page 2 of 10 Pages

1.

Names of Reporting Persons.
ASCEND CAPITAL, LLC

2.

Check the Appropriate Box if a Member of a Group

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
DELAWARE

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With:

5.

Sole Voting Power
0

6.

Shared Voting Power
1,755,938

7.

Sole Dispositive Power
0

8.

Shared Dispositive Power
1,755,938

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
1,755,938

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
8.6

12.

Type of Reporting Person:

HC, IA

CUSIP No.:  31446L100

13G

Page 3 of 10 Pages

1.

Names of Reporting Persons.
ASCEND CAPITAL LIMITED PARTNERSHIP

2.

Check the Appropriate Box if a Member of a Group

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
DELAWARE

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With:

5.

Sole Voting Power
0

6.

Shared Voting Power
1,106,142

7.

Sole Dispositive Power
0

8.

Shared Dispositive Power
1,106,142

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
1,106,142

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
5.4

12.

Type of Reporting Person:
IA

CUSIP No.:  31446L100

13G

Page 4 of 10 Pages

1.

Names of Reporting Persons.
Malcolm P. Fairbairn

2.

Check the Appropriate Box if a Member of a Group

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
UNITED STATES OF AMERICA

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With:

5.

Sole Voting Power
0

6.

Shared Voting Power
1,803,163

7.

Sole Dispositive Power
0

8.

Shared Dispositive Power
1,803,163

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
1,803,163

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
8.8

12.

Type of Reporting Person:
IN, HC

CUSIP No.:  31446L100

13G

Page 5 of 10 Pages

Item 1(a).

Name of Issuer:
Fenix Parts, Inc.. (the Issuer).

Item 1(b).

Address of Issuers Principal Executive Offices:
One Westbrook Corporate Center, Suite 920, Westchester, Illinois 60154

Item 2(a).

Name of Person Filing:

This Statement is filed on behalf of each of the following persons (collectively, the Reporting Persons):

i)                                         Ascend Capital, LLC (AC LLC);

ii)                                      Ascend Capital Limited Partnership (ACLP); and

iii)                                   Malcolm P. Fairbairn (Mr. Fairbairn).

This statement relates to Shares (as defined herein) held in client accounts to which AC LLC or ACLP serves as investment adviser and/or general partner (the Client Accounts) and certain additional Shares held in accounts with respect to which Mr. Fairbairn is a beneficial owner .  AC LLC is the general partner of ACLP.  Mr. Fairbairn is the managing member of AC LLC.  In such capacities, AC LLC, ACLP and Mr. Fairbairn may be deemed to have voting and dispositive power over the Shares held in the Client Accounts.  Each Reporting Person disclaims beneficial ownership of such Shares except to the extent of his, her or its pecuniary interest therein.

Item 2(b).

Address of Principal Business Office or, if none, Residence:

The address of the principal business office of each of AC LLC, ACLP and Mr. Fairbairn is 4 Orinda Way, Suite 200-C Orinda, CA 94563.

Item 2(c).

Citizenship:

i)                                         AC LLC is a Delaware limited liability company;

ii)                                      ACLP is a Delaware limited partnership; and

iii)                                   Mr. Fairbairn is a citizen of the United States of America.

Item 2(d).

Title of Class of Securities:

Common stock, $0.001 par value (the Shares)

Item 2(e).

CUSIP Number:

31446L100

Item 3.

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(e)

x

An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

(g)

x

A parent holding company or control person in accordance with §240.13d1(b)(1)(ii)(G).

CUSIP No.:  31446L100

13G

Page 6 of 10 Pages

Item 4.

Ownership:

Item 4(a)

Amount beneficially owned:

As of February 13, 2018,  AC LLC may have been deemed the beneficial owner of 1,755,938 Shares.  As of  February 13, 2018, ACLP may have been deemed the beneficial owner of 1,106,142 Shares.  As of February 13, 2018, Mr. Fairbairn may have been deemed the beneficial owner of 1,803,163 Shares.  Such Shares are held in Client Accounts, including without limitation, those owned by private fund clients.

Item 4(b)

Percent of class:

As of February 13, 2018,  AC LLC may have been deemed the beneficial owner of approximately 8.6% of Shares outstanding.  As of February 13, 2018, ACLP may have been deemed the beneficial owner of approximately 5.4% of Shares outstanding.  As of February 13, 2018, Mr. Fairbairn may have been deemed the beneficial owner of approximately 8.8% of Shares outstanding.  (There are approximately 20,464,244 Shares outstanding, according to the Issuers Form 10Q filed October 31, 2017.)

Item 4(c)

Number of shares of which such person has:

AC LLC:

(i)

Sole power to vote or direct the vote:

0

(ii)

Shared power to vote or direct the vote:

1,755,938

(iii)

Sole power to dispose or direct the disposition of:

0

(iv)

Shared power to dispose or direct the disposition of:

1,755,938

ACLP:

(i)

Sole power to vote or direct the vote:

0

(ii)

Shared power to vote or direct the vote:

1,106,142

(iii)

Sole power to dispose or direct the disposition of:

0

(iv)

Shared power to dispose or direct the disposition of:

1,106,142

Mr. Fairbairn:

(i)

Sole power to vote or direct the vote:

0

(ii)

Shared power to vote or direct the vote:

1,803,163

(iii)

Sole power to dispose or direct the disposition of:

0

(iv)

Shared power to dispose or direct the disposition of:

1,803,163

Item 5.

Ownership of Five Percent or Less of a Class:

If this statement is being filed to report the fact that as of the date hereof each of the Reporting Persons has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following o.

Item 6.

Ownership of More than Five Percent on Behalf of Another Person:

AC LLC or ACLP serves as the investment adviser and/or general partner to each of the Client Accounts, each of which has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Shares.  No Client Account holds more than 5% of the Shares outstanding.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person:

See disclosure in Item 2 hereof.

Item 8.

Identification and Classification of Members of the Group:

This Item 8 is not applicable.

Item 9.

Notice of Dissolution of Group:

This Item 9 is not applicable.

CUSIP No.:  31446L100

13G

Page 7 of 10 Pages

Item 10.

Certification:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under Sec. 240.14a-11.

CUSIP No.:  31446L100

13G

Page 8 of 10 Pages

ASCEND CAPITAL, LLC

By:

/s/Benjamin D. Slavet

Name:

Benjamin D. Slavet

Title:

Chief Operating Officer & Chief Financial Officer

ASCEND CAPITAL LIMITED PARTNERSHIP

By: ASCEND CAPITAL, LLC, its general partner

By:

/s/Benjamin D. Slavet

Name:

Benjamin D. Slavet

Title:

Chief Operating Officer & Chief Financial Officer

MALCOLM FAIRBAIRN

/s/Malcolm Fairbairn

CUSIP No.:  31446L100

13G

Page 9 of 10 Pages

CUSIP No.:  31446L100

13G

Page 10 of 10 Pages

ASCEND CAPITAL, LLC

By:

/s/Benjamin D. Slavet

Name:

Benjamin D. Slavet

Title:

Chief Operating Officer & Chief Financial Officer

ASCEND CAPITAL LIMITED PARTNERSHIP

By: ASCEND CAPITAL, LLC, its general partner

By:

/s/Benjamin D. Slavet

Name:

Benjamin D. Slavet

Title:

Chief Operating Officer & Chief Financial Officer

MALCOLM FAIRBAIRN

/s/Malcolm Fairbairn