Blackstone LP : Form 13F Holdings Report

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it

is accurate and complete.

The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 13F

FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: 03-31-2019

Check here if Amendment:	Amendment Number:
This Amendment (Check only one.):	is a restatement.
	adds new holdings entries.

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Institutional Investment Manager Filing this Report:

Name:	Blackstone Group L.P.
Address:	345 PARK AVENUE
	NEW YORK NY 10154

Form 13F File Number: 028-13114

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:	John G. Finley
Title:	Authorized Person
Phone:	212-583-5000

Signature, Place, and Date of Signing:
	/s/ John G. Finley		New York, NEW YORK		05-15-2019
	[Signature]		[City, State]				[Date]
	Do you wish to provide information pursuant to Special Instruction 5?					X Yes		No
Additional Information
The following information corresponds to the securities indicated in the attached			5
Information Table: (A) Includes 545,566 shares of KOSMOS ENERGY LTD that are not
under the investment discretion of The Blackstone Group L.P. but are under the
investment discretion of Blackstone Family GP L.L.C., of which Mr. Stephen A.
Schwarzman is a controlling person. (B) Includes 520,940 shares of MICHAELS COS
INC that are not under the investment discretion of The Blackstone Group L.P. but are
under the investment discretion of Blackstone Family GP L.L.C., of which Mr. Stephen
6
A. Schwarzman is a controlling person. (C) The Blackstone Group L.P. and its affiliates

Report Type (Check only one.):

X13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)

13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)

13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

Form 13F Summary Page

Report Summary:

Number of Other Included Managers: Form 13F Information table Entry Total: Form 13F Information table Value Total:

List of Other Included Managers:

4

76

20,565,931

(thousands)

Provide a numbered list of the name(s) and Form 13F number(s) of all institutional investement managers with respect to which this report is filed, other than the manager filing this report.

No.		Form 13F File Number		Name		CIK
1		28-12332		GSO Capital Partners LP
2		28-17363		Blackstone Management Partners L.L.C.
3		28-16028		Clarus Ventures, LLC
4		28-19316		Blackstone Alternative Solutions L.L.C.

FORM 13F INFORMATION TABLE

COLUMN 1	COLUMN 2	COLUMN 3	COLUMN 4		COLUMN 5		COLUMN 6		COLUMN 7		COLUMN 8
NAME OF ISSUER	TITLE OF CLASS	CUSIP	VALUE	SHRS OR	SH /	PUT /	INVESTMENT		OTHER	VOTING AUTHORITY
(x$1000)	PRN AMT	PRN	CALL	DISCRETION		MANAGER	SOLE	SHARED	NONE
AMALGAMATED BK NEW YORK N Y	CLASS A	022663108	2,348	150,000	SH	-	OTR	4		0	150,000	0
AMERICOLD RLTY TR	COM	03064D108	16,039	525,700	SH	-	OTR	4		0	525,700	0
ASSURANT INC	COM	04621X108	17,141	180,600	SH	-	OTR	4		0	180,600	0
AVALARA INC	COM	05338G106	5,577	99,967	SH	-	OTR	4		0	99,967	0
AVROBIO INC	COM	05455M100	65,319	2,962,325	SH	-	OTR	3		0	2,962,325	0
BLACKSTONE MTG TR INC	COM CL A	09257W100	184,789	5,346,893	SH	-	SOLE	-		6,229,417	0	0
C&J ENERGY SVCS INC NEW	COM	12674R100	31,360	2,020,635	SH	-	OTR	1		0	2,020,635	0
CATABASIS PHARMACEUTICALS IN	COM	14875P206	1,590	200,819	SH	-	OTR	3		0	200,819	0
CENTRIC BRANDS INC	COM	15644G104	32,409	7,201,921	SH	-	SOLE	-		7,201,921	0	0
CENTRIC BRANDS INC	COM	15644G104	84,229	18,717,500	SH	-	OTR	1		0	18,717,500	0
CERIDIAN HCM HLDG INC	COM	15677J108	5,130	100,000	SH	-	OTR	4		0	100,000	0
CHENIERE ENERGY PARTNERS LP	COM UNIT	16411Q101	8,427,525	200,990,333	SH	-	OTR	2		0	200,990,333	0
CHENIERE ENERGY PARTNERS LP	COM UNIT	16411Q101	99,401	2,370,632	SH	-	OTR	1		0	2,370,632	0
CITRIX SYS INC	COM	177376100	48,036	482,000	SH	Call	OTR	4		0	482,000	0
COREPOINT LODGING INC	COM	21872L104	196,442	17,586,537	SH	-	SOLE	-		17,586,537	0	0
CROCS INC	COM	227046109	177,650	6,899,027	SH	-	OTR	2		0	6,862,066	0
DANAHER CORPORATION	COM	235851102	33,018	250,099	SH	-	OTR	4		0	250,099	0
EASTMAN KODAK CO	COM NEW	277461406	26,271	8,875,211	SH	-	OTR	1		0	8,875,211	0
ELEMENT SOLUTIONS INC	COM	28618M106	9,090	900,000	SH	-	OTR	4		0	900,000	0
ELLINGTON RESIDENTIAL MTG RE	COM SHS BEN INT	288578107	36,929	3,103,257	SH	-	SOLE	-		3,103,257	0	0
ENTASIS THERAPEUTICS HLDGS I	COM	293614103	10,974	1,623,405	SH	-	OTR	3		0	1,623,405	0
ENVIVA PARTNERS LP	COM UNIT	29414J107	5,069	157,191	SH	-	OTR	1		0	157,191	0
EQUINIX INC	COM	29444U700	22,133	48,842	SH	-	OTR	4		0	48,842	0
ESSA PHARMA INC	COM NEW	29668H708	5,673	1,668,560	SH	-	OTR	3		0	1,668,560	0
EVO PMTS INC	CL A COM	26927E104	9,237	317,972	SH	-	OTR	4		0	317,972	0
FGL HLDGS	ORD SHS	G3402M102	297,713	37,828,894	SH	-	SOLE	-		37,828,894	0	0
FGL HLDGS	ORD SHS	G3402M102	48,306	6,138,000	SH	-	OTR	1		0	6,138,000	0
FIRST HAWAIIAN INC	COM	32051X108	21,289	817,252	SH	-	OTR	4		0	817,252	0
FORTY SEVEN INC	COM	34983P104	61,682	3,816,951	SH	-	OTR	3		0	3,816,951	0
FS KKR CAPITAL CORP	COM	302635107	606	100,239	SH	-	SOLE	-		100,239	0	0
GATES INDUSTRIAL CORPRATIN P	ORD SHS	G39108108	3,170,538	221,097,482	SH	-	OTR	2		0	221,097,482	0
GATES INDUSTRIAL CORPRATIN P	ORD SHS	G39108108	328,212	22,887,900	SH	-	SOLE	-		22,887,900	0	0
GODADDY INC	CL A	380237107	27,444	365,000	SH	-	OTR	4		0	365,000	0
GRITSTONE ONCOLOGY INC	COM	39868T105	34,147	2,567,445	SH	-	OTR	3		0	2,567,445	0
HEALTHCARE RLTY TR	COM	421946104	4,817	150,000	SH	-	OTR	4		0	150,000	0
HOVNANIAN ENTERPRISES INC	CL A NEW	442487401	2,184	199,054	SH	-	OTR	1		0	199,054	0
INVITATION HOMES INC	COM	46187W107	4,378,070	179,945,349	SH	-	SOLE	-		179,945,349	0	0
ISHARES TR	EXPANDED TECH	464287515	31,623	150,000	SH	Put	OTR	4		0	150,000	0
ISHARES TR	RUSSELL 2000	464287655	38,273	250,000	SH	Put	OTR	4		0	250,000	0
ETF
ISHARES TR	PFD AND INCM	464288687	173,115	4,736,400	SH	Put	OTR	4		0	4,736,400	0
SEC
KOSMOS ENERGY LTD	COM	500688106	169,811	27,256,941	SH	-	OTR	2		0	27,256,941	0
LEGACY RESERVES LP/ LEGACY F	NOTE 8.000% 9/2	52471TAF4	7,001	20,004,000	PRN	-	OTR	1		0	20,004,000	0
LEGACY RESVS INC	COM	524706108	49	100,020	SH	-	OTR	1		0	100,020	0
LEVI STRAUSS & CO NEW	CL A COM STK	52736R102	4,710	200,000	SH	-	OTR	4		0	200,000	0
LULULEMON ATHLETICA INC	COM	550021109	8,194	50,000	SH	-	OTR	4		0	50,000	0
LYFT INC	CL A COM	55087P104	9,434	120,500	SH	-	OTR	4		0	120,500	0
MERCADOLIBRE INC	COM	58733R102	11,170	22,000	SH	-	OTR	4		0	22,000	0
MICHAELS COS INC	COM	59408Q106	232,894	20,393,531	SH	-	OTR	2		0	20,393,531	0
MONTAGE RES CORP	COM	61179L100	3,419	227,334	SH	-	OTR	1		0	227,334	0
NANOSTRING TECHNOLOGIES INC	COM	63009R109	48,722	2,036,025	SH	-	OTR	3		0	2,036,025	0
NANTHEALTH INC	COM	630104107	549	597,037	SH	-	OTR	2		0	597,037	0
NIKE INC	CL B	654106103	12,632	150,000	SH	Put	OTR	4		0	150,000	0

ONE MADISON CORP	UNIT 99/99/9999	G6772P118	42,680	4,000,000	SH	-	OTR	4	0	4,000,000	0
PACIFIC BIOSCIENCES CALIF IN	COM	69404D108	17,436	2,411,556	SH	-	OTR	2	0	2,411,556	0
PAGSEGURO DIGITAL LTD	COM CL A	G68707101	8,955	300,000	SH	-	OTR	4	0	300,000	0
PLURALSIGHT INC	COM CL A	72941B106	30,908	973,800	SH	-	OTR	4	0	973,800	0
REDWOOD TR INC	COM	758075402	4,158	257,472	SH	-	SOLE	-	257,472	0	0
REDWOOD TR INC	COM	758075402	12,113	750,000	SH	-	OTR	4	0	750,000	0
ROYAL CARIBBEAN CRUISES LTD	COM	V7780T103	16,024	139,800	SH	-	OTR	4	0	139,800	0
SANDRIDGE ENERGY INC	COM NEW	80007P869	1,387	172,996	SH	-	OTR	1	0	172,996	0
SIENTRA INC	COM	82621J105	23,430	2,730,765	SH	-	OTR	3	0	2,730,765	0
SPDR S&P 500 ETF TR	TR UNIT	78462F103	471,318	1,668,500	SH	Put	OTR	4	0	1,668,500	0
SPDR SERIES TRUST	S&P REGL BKG	78464A698	2,567	50,000	SH	Put	OTR	4	0	50,000	0
SSGA ACTIVE ETF TR	BLKSTN	78467V608	7,560	164,175	SH	-	OTR	1	0	164,175	0
GSOSRLN
STARS GROUP INC	COM	85570W100	282,514	16,134,410	SH	-	OTR	1	0	16,134,410	0
TALLGRASS ENERGY LP	CLASS A SHS	874696107	561,798	22,346,793	SH	-	OTR	-	0	22,346,793	0
TARGA RES CORP	COM	87612G101	1,073	258,302	SH	-	SOLE	-	258,302	0	0
TPG RE FIN TR INC	COM	87266M107	1,709	87,217	SH	-	SOLE	-	87,217	0	0
TRINE ACQUISITION CORP	UNIT 03/31/2021	89628U207	5,010	500,000	SH	-	OTR	4	0	500,000	0
TWO HBRS INVT CORP	COM NEW	90187B408	4,059	300,000	SH	-	OTR	4	0	300,000	0
UNITED THERAPEUTICS CORP DEL	COM	91307C102	6,551	55,813	SH	-	OTR	4	0	55,813	0
UNIVAR INC	COM	91336L107	7,202	325,000	SH	-	OTR	4	0	325,000	0
UP FINTECH HLDG LTD	SPONSORED ADS	91531W106	1,294	100,000	SH	-	OTR	4	0	100,000	0
VBI VACCINES INC	COM NEW	91822J103	5,032	2,691,042	SH	-	OTR	3	0	2,691,042	0
VIVINT SOLAR INC	COM	92854Q106	369,566	74,359,374	SH	-	OTR	2	0	74,359,374	0
WATFORD HOLDINGS LTD	SHS	G94787101	1,605	60,000	SH	-	OTR	4	0	60,000	0