40 North Management Further Increases Bet On Mattress Firm Holding (MFRM)

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David S. Winter and David J. Millstone are still confident of a Mattress Firm Holding Corp. (NASDAQ:MFRM) comeback, having added to their position in the company. According to a recently amended filing with the Securities and Exchange Commission, their fund, 40 North Management, has acquired 401,775 shares of the company since its last filing, taking its stake to 4.46 million shares, equivalent to 12% of the company’s outstanding stock.

As its name suggests, Mattress Firm Holding Corp. (NASDAQ:MFRM) is a retailer of mattresses and related products, and currently operates and franchises some 3,500 stores across the U.S. The company has a market cap of $1.10 billion and does not pay a dividend. The downtrend in its shares that started in the second-half of 2015 has continued into 2016, as the stock has shed 32% of its value though yesterday’s close. The stock has an average rating of ‘Hold’ and an average price target of $39.29 per share from the leading analysts who track it, with the average price target now suggesting upside potential of 32%.

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At the end of the first quarter, approximately 31% of Mattress Firm Holding Corp. (NASDAQ:MFRM)’s common stock was held by 18 of the funds tracked by Insider Monkey, up from 17 a quarter before. Among the most significant moves in the stock during the first quarter was Alan Fournier‘s Pennant Capital Management reducing its holding by 38% to 1.69 million shares. On the other hand, Philippe Laffont decided that it was a good time to buy the stock, as his fund Coatue Management disclosed a fresh stake that amounted to 415,354 shares as of the end of March.

Follow Mattress Firm Holding Corp. (NASDAQ:MFRM)

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
4,465,758 0 4,465,758 0 4,465,758 12.0%
0 4,465,758 0 4,465,758 4,465,758 12.0%
0 2,499,256 0 2,499,256 2,499,256 6.7%
0 4,465,758 0 4,465,758 4,465,758 12.0%
0 4,465,758 0 4,465,758 4,465,758 12.0%
DAVID S. WINTER 0 4,465,758 0 4,465,758 4,465,758 12.0%
DAVID J. MILLSTONE 0 4,465,758 0 4,465,758 4,465,758 12.0%

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Page 1 of 13 – SEC Filing

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Amendment No. 12)*

Under the Securities Exchange Act of
1934

MATTRESS FIRM HOLDING CORP.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

57722W106

(CUSIP Number)

David S. Winter

40 North Management LLC

9 West 57th Street, 30th Floor

New York, New York 10019

(212) 821-1600

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

COPIES TO:

Robert W. Downes, Esq.

Sullivan & Cromwell LLP

125 Broad Street

New York, New York 10004-2498

(212) 558-4312

July 27,
2016

(Date of Event which Requires Filing
of this 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 §§240.13d-1(e),
240.13d-1(f) or 240.13d-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 §240.13d-7 for other parties to whom copies
are to be sent.

* The remainder of this cover page shall be filled out for
a reporting person’s 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).

Continued on following pages

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