Conor Bastable Form 3 BMC STOCK / Avram Z Friedman ownership change

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Davidson Kempner Capital Management LP

(Last) (First) (Middle)

520 MADISON AVENUE

30TH FLOOR

(Street)

NEW YORK NY 10022

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
12/01/2015

3. Issuer Name and Ticker or Trading Symbol
BMC STOCK HOLDINGS, INC. [ STCK ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.01	10,913,993	I	See footnotes(1)(2)(3)(4)(5)(6)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

Davidson Kempner Capital Management LP

(Last) (First) (Middle)

520 MADISON AVENUE

30TH FLOOR

(Street)

NEW YORK NY 10022

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

KEMPNER THOMAS L JR

(Last) (First) (Middle)

DAVIDSON KEMPNER CAPITAL MANAGEMENT LP

520 MADISON AVENUE, 30TH FLOOR

(Street)

NEW YORK NY 10022

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Yoseloff Anthony Alexander

(Last) (First) (Middle)

DAVIDSON KEMPNER CAPITAL MANAGEMENT LP

520 MADISON AVENUE, 30TH FLOOR

(Street)

NEW YORK NY 10022

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

BASTABLE CONOR

(Last) (First) (Middle)

DAVIDSON KEMPNER CAPITAL MANAGEMENT LP

520 MADISON AVENUE, 30TH FLOOR

(Street)

NEW YORK NY 10022

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Friedman Avram Z

(Last) (First) (Middle)

DAVIDSON KEMPNER CAPITAL MANAGEMENT LP

520 MADISON AVENUE, 30TH FLOOR

(Street)

NEW YORK NY 10022

(City) (State) (Zip)

Explanation of Responses:

1. The securities to which this filing relates are held directly by (i) M. H. Davidson & Co., a New York limited partnership ("CO"), (ii) Davidson Kempner Partners, a New York limited partnership ("DKP"), (iii) Davidson Kempner Institutional Partners, L.P., a Delaware limited partnership ("DKIP"), (iv) Davidson Kempner International, Ltd., a British Virgin Islands business company ("DKIL"), (v) Davidson Kempner Distressed Opportunities Fund LP, a Delaware limited partnership ("DKDOF"), (vi) Davidson Kempner Distressed Opportunities International Ltd., a Cayman Islands exempted company ("DKDOI"), (vii) Davidson Kempner Long-Term Distressed Opportunities Fund LP, a Delaware limited partnership ("DKLTDO"), (continued in footnote (2))

2. (continued from footnote (1)) (viii) Davidson Kempner Long-Term Distressed Opportunities International Master Fund LP, a Cayman Islands limited partnership ("DKLTDI"), (ix) Davidson Kempner Long-Term Distressed Opportunities Fund II LP, a Delaware limited partnership ("DKLTDO II") and (x) Davidson Kempner Long-Term Distressed Opportunities International Master Fund II LP, a Cayman Islands limited partnership ("DKLTDI II").

3. M.H. Davidson & Co. GP, L.L.C., a Delaware limited liability company, is the general partner of CO. MHD Management Co., a New York limited partnership ("MHD"), is the general partner of DKP and MHD Management Co. GP, L.L.C., a Delaware limited liability company is the general partner of MHD. Davidson Kempner Advisers Inc., a New York corporation, is the general partner of DKIP. Davidson Kempner Capital Management LP, a Delaware limited partnership, is the investment manager of DKIL. DK Group LLC, a Delaware limited liability company, is the general partner of DKDOF. DK Management Partners LP, a Delaware limited partnership, is the investment manager of DKDOI. Davidson Kempner Long-Term Distressed Opportunities GP LLC, a Delaware limited liability company, is the general partner of DKLTDO and DKLTDI. Davidson Kempner Long-Term Distressed Opportunities GP II LLC, a Delaware limited liability company, is the general partner of DKLTDO II and DKLTDI II.

4. Davidson Kempner Capital Management LP, a Delaware limited partnership and a registered investment adviser with the U.S. Securities and Exchange Commission ("DKCM") acts as investment manager to each of CO, DKP, DKIP, DKIL, DKDOF, DKDOI, DKLTDO, DKLTDI, DKLTDO II and DKLTDI II ("DKCM") either directly or by virtue of a sub-advisory agreement with the investment manager of the relevant fund. DKCM GP LLC, a Delaware limited liability company, is the general partner of DKCM. The managing members of DKCM are Messrs. Thomas L. Kempner, Jr., Timothy I. Levart, Robert J. Brivio, Jr., Eric P. Epstein, Anthony A. Yoseloff, Avram Z. Friedman, Conor Bastable, Morgan P. Blackwell, Shulamit Leviant, Patrick W. Dennis and Gabriel T. Schwartz. (continued in footnote (5))

5. (continued from footnote (4)) Messrs. Thomas L. Kempner, Jr., Anthony A. Yoseloff, Conor Bastable and Avram Z. Friedman through DKCM, are responsible for the voting and investment decisions relating to the securities held by CO, DKP, DKIP, DKIL, DKDOF, DKDOI, DKLTDO, DKLTDI, DKLTDO II and DKLTDI II reported herein.

6. The filing of this statement shall not be deemed an admission that any of the Reporting Persons is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Act of 1934, as amended, or otherwise. Each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of its or his pecuniary interest therein.

Remarks:

To enable all of the Reporting Persons to gain access to the Securities and Exchange Commission's electronic filing system (which only accepts a maximum of 10 joint filers per report), this report is the second of two identical reports relating to the same transaction being filed with the Securities and Exchange Commission.

	/s/ Davidson Kempner Capital Management LP, By: Thomas L. Kempner, Jr., its Executive Managing Member	12/11/2015
	/s/ Thomas L. Kempner, Jr.	12/11/2015
	/s/ Anthony A. Yoseloff	12/11/2015
	/s/ Conor Bastable	12/11/2015
	/s/ Avram Z. Friedman	12/11/2015
	** Signature of Reporting Person	Date
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