BCK Capital Management 13F-HR Quarterly holdings report by institutional manager

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 INFORMATION TABLE

OMB APPROVAL

OMB Number:		3235-0006
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COLUMN 1	COLUMN 2	COLUMN 3	COLUMN 4	COLUMN 5			COLUMN 6	COLUMN 7	COLUMN 8
			VALUE	SHRS OR	SH/	PUT/	INVESTMENT	OTHER	VOTING AUTHORITY
NAME OF ISSUER	TITLE OF CLASS	CUSIP	(x$1000)	PRN AMT	PRN	CALL	DISCRETION	MANAGER	SOLE	SHARED	NONE
1LIFE HEALTHCARE INC	COM	68269G107	1,269	74,000	SH		SOLE		74,000	0	0
26 CAPITAL ACQUISITION CORP	*W EXP 12/31/202	90138P118	4	13,573	SH		SOLE		13,573	0	0
ACTIVISION BLIZZARD INC	COM	00507V109	4,709	63,341	SH		SOLE		63,341	0	0
AERIE PHARMACEUTICALS INC	COM	00771V108	968	64,000	SH		SOLE		64,000	0	0
ALLEGHANY CORP MD	COM	017175100	7,597	9,051	SH		SOLE		9,051	0	0
ARES ACQUISITION CORPORATION	*W EXP 99/99/999	G33032122	1	10,861	SH		SOLE		10,861	0	0
ATLAS AIR WORLDWIDE HLDGS IN	COM NEW	049164205	605	6,334	SH		SOLE		6,334	0	0
AVALARA INC	COM	05338G106	661	7,205	SH		SOLE		7,205	0	0
BIOTECH ACQUISITION COMPANY	*W EXP 11/30/202	G1125A116	1	13,573	SH		SOLE		13,573	0	0
BLACK KNIGHT INC	COM	09215C105	583	9,000	SH		SOLE		9,000	0	0
BLUERIVER ACQUISITION CORP	*W EXP 01/04/202	G1261Q115	2	36,036	SH		SOLE		36,036	0	0
BRIGHT LIGHTS ACQUISITION CO	COM CL A	10920K101	110	11,081	SH		SOLE		11,081	0	0
BTRS HOLDINGS INC	COM CL 1	11778X104	620	66,959	SH		SOLE		66,959	0	0
CF ACQUISITION CORP IV	COM CL A	12520T102	732	73,576	SH		SOLE		73,576	0	0
CHANGE HEALTHCARE INC	COM	15912K100	21,607	785,979	SH		SOLE		785,979	0	0
CHANNELADVISOR CORP	COM	159179100	657	29,000	SH		SOLE		29,000	0	0
CHEMOCENTRYX INC	COM	16383L106	904	17,500	SH		SOLE		17,500	0	0
CNH INDL N V	SHS	N20944109	1,516	135,732	SH		SOLE		135,732	0	0
CONSTELLATION ACQUISITN CORP	*W EXP 01/29/202	G2R18K113	1	18,097	SH		SOLE		18,097	0	0
CONTINENTAL RES INC	COM	212015101	2,176	32,575	SH		SOLE		32,575	0	0
COVETRUS INC	COM	22304C100	668	32,000	SH		SOLE		32,000	0	0
COWEN INC	CL A NEW	223622606	1,314	34,000	SH		SOLE		34,000	0	0
CYBEROPTICS CORP	COM	232517102	1,318	24,500	SH		SOLE		24,500	0	0
DANIMER SCIENTIFIC INC	COM CL A	236272100	50	16,967	SH		SOLE		16,967	0	0
DISNEY WALT CO	COM	254687106	361	3,826	SH		SOLE		3,826	0	0
DUN & BRADSTREET HLDGS INC	COM	26484T106	1,560	125,892	SH		SOLE		125,892	0	0
EPAM SYS INC	COM	29414B104	4,255	11,747	SH		SOLE		11,747	0	0
EPIPHANY TECHNOLOGY ACQUISIT	*W EXP 01/12/202	29429X117	1	12,064	SH		SOLE		12,064	0	0
EQ HEALTH ACQUISITION CORP	*W EXP 02/02/202	26886A119	2	22,825	SH		SOLE		22,825	0	0
EVO PMTS INC	CL A COM	26927E104	1,299	39,000	SH		SOLE		39,000	0	0
FINTECH EVOLUTION ACQUIS GRO	*W EXP 03/31/202	G3R19A120	2	18,097	SH		SOLE		18,097	0	0
FIRST HORIZON CORPORATION	COM	320517105	7,540	329,244	SH		SOLE		329,244	0	0
FORMA THERAPEUTICS HLDGS INC	SHS	34633R104	878	44,000	SH		SOLE		44,000	0	0
F-STAR THERAPEUTICS INC	COM	30315R107	266	52,000	SH		SOLE		52,000	0	0
GENIUS SPORTS LIMITED	*W EXP 04/20/202	G3934V117	79	108,582	SH		SOLE		108,582	0	0
GENIUS SPORTS LIMITED	SHARES CL A	G3934V109	133	36,195	SH		SOLE		36,195	0	0
GLOBAL BLOOD THERAPEUTICS IN	COM	37890U108	1,232	18,098	SH		SOLE		18,098	0	0
GOGORO INC	*W EXP 04/04/202	G9491K113	9	13,572	SH		SOLE		13,572	0	0
GRINDROD SHIPPING HOLDINGS L	SHS	Y28895103	976	40,794	SH		SOLE		40,794	0	0
HANGER INC	COM NEW	41043F208	636	34,000	SH		SOLE		34,000	0	0
HERTZ GLOBAL HLDGS INC	*W EXP 06/30/205	42806J148	267	30,000	SH		SOLE		30,000	0	0
HERTZ GLOBAL HLDGS INC	COM NEW	42806J700	2,150	132,035	SH		SOLE		132,035	0	0
HILL INTL INC	COM	431466101	641	193,000	SH		SOLE		193,000	0	0
HUDSON EXECUTIVE INVS CORP I	COM CL A	443760103	103	10,441	SH		SOLE		10,441	0	0
IMMUNOVANT INC	COM	45258J102	303	54,293	SH		SOLE		54,293	0	0
INFRA AND ENERGY ALTRNTIVE I	COM	45686J104	1,273	94,000	SH		SOLE		94,000	0	0
IONQ INC	*W EXP 99/99/999	46222L116	102	96,512	SH		SOLE		96,512	0	0
IONQ INC	COM	46222L108	69	13,574	SH		SOLE		13,574	0	0
IROBOT CORP	COM	462726100	1,211	21,500	SH		SOLE		21,500	0	0
ISHARES TR	20 YR TR BD ETF	464287432	0	27,400	SH	Put	SOLE		27,400	0	0
ISHARES TR	7-10 YR TRSY BD	464287440	0	80,500	SH	Put	SOLE		80,500	0	0
ISHARES TR	IBOXX HI YD ETF	464288513	0	153,800	SH	Put	SOLE		153,800	0	0
ISHARES TR	MSCI EAFE ETF	464287465	0	44,300	SH	Put	SOLE		44,300	0	0
ISHARES TR	RUSSELL 2000 ETF	464287655	0	22,300	SH	Put	SOLE		22,300	0	0
ISHARES TR	US AER DEF ETF	464288760	1,438	15,771	SH		SOLE		15,771	0	0
KERNEL GROUP HOLDINGS INC	*W EXP 02/02/202	G5259L129	1	22,673	SH		SOLE		22,673	0	0
KHOSLA VENTURES ACQUISITION	CL A	482504107	177	18,098	SH		SOLE		18,098	0	0
KHOSLA VENTURES ACQUT CO III	COM CL A	482506102	177	18,098	SH		SOLE		18,098	0	0
KL ACQUISITION CORP	*W EXP 01/12/202	49837C117	1	15,081	SH		SOLE		15,081	0	0
LHC GROUP INC	COM	50187A107	1,268	7,750	SH		SOLE		7,750	0	0
MAGNACHIP SEMICONDUCTOR CORP	COM	55933J203	649	63,342	SH		SOLE		63,342	0	0
MARLIN TECHNOLOGY CORP	*W EXP 01/12/202	G58411110	1	12,775	SH		SOLE		12,775	0	0
MAXAR TECHNOLOGIES INC	COM	57778K105	0	29,000	SH	Call	SOLE		29,000	0	0
MCDONALDS CORP	COM	580135101	228	988	SH		SOLE		988	0	0
MONEYGRAM INTL INC	COM NEW	60935Y208	640	61,537	SH		SOLE		61,537	0	0
NCR CORP NEW	COM	62886E108	0	101,600	SH	Call	SOLE		101,600	0	0
NEXTDOOR HOLDINGS INC	COM CL A	65345M108	101	36,194	SH		SOLE		36,194	0	0
NORTHWEST PIPE CO	COM	667746101	827	29,429	SH		SOLE		29,429	0	0
PEAR THERAPEUTICS INC	*W EXP 12/03/202	704723113	2	12,768	SH		SOLE		12,768	0	0
PING IDENTITY HLDG CORP	COM	72341T103	660	23,500	SH		SOLE		23,500	0	0
PINTEREST INC	CL A	72352L106	0	45,300	SH	Call	SOLE		45,300	0	0
PLANET LABS PBC	COM CL A	72703X106	197	36,195	SH		SOLE		36,195	0	0
PNM RES INC	COM	69349H107	5,793	126,681	SH		SOLE		126,681	0	0
POLESTAR AUTOMOTIVE HLDG UK	ADS C-1	731105102	348	316,706	SH		SOLE		316,706	0	0
PROSPECTOR CAPITAL CORP	CL A	G7273A105	101	10,180	SH		SOLE		10,180	0	0
RESOLUTE FST PRODS INC	COM	76117W109	1,225	61,250	SH		SOLE		61,250	0	0
RESTAURANT BRANDS INTL INC	COM	76131D103	215	4,036	SH		SOLE		4,036	0	0
ROGERS CORP	COM	775133101	4,377	18,097	SH		SOLE		18,097	0	0
SHAKE SHACK INC	CL A	819047101	0	27,100	SH	Put	SOLE		27,100	0	0
SHAW COMMUNICATIONS INC	CL B CONV	82028K200	6,594	271,460	SH		SOLE		271,460	0	0
SIERRA WIRELESS INC	COM	826516106	1,377	45,243	SH		SOLE		45,243	0	0
SIGNIFY HEALTH INC	CL A COM	82671G100	1,341	46,000	SH		SOLE		46,000	0	0
SIMON PROPERTY GRP ACQ HOLDI	COM CL A	82880R103	705	71,582	SH		SOLE		71,582	0	0
SOUTH JERSEY INDS INC	COM	838518108	1,972	59,000	SH		SOLE		59,000	0	0
SPDR S&P 500 ETF TR	TR UNIT	78462F103	0	13,800	SH	Put	SOLE		13,800	0	0
SPIRIT AIRLS INC	COM	848577102	1,948	103,500	SH		SOLE		103,500	0	0
STORE CAP CORP	COM	862121100	627	20,000	SH		SOLE		20,000	0	0
SUSTAINABLE DEVELP ACQU I CO	COM CL A	86934L103	99	10,064	SH		SOLE		10,064	0	0
SWITCH INC	CL A	87105L104	2,134	63,340	SH		SOLE		63,340	0	0
TEGNA INC	COM	87901J105	579	28,000	SH		SOLE		28,000	0	0
TENNECO INC	CL A VTG COM STK	880349105	629	36,195	SH		SOLE		36,195	0	0
THUNDER BRDG CAP PRTNRS IV I	CLASS A COM	88605L107	528	54,291	SH		SOLE		54,291	0	0
THUNDER BRIDGE CAP PRTNRS II	*W EXP 02/01/202	88605T118	1	10,858	SH		SOLE		10,858	0	0
THUNDER BRIDGE CAP PRTNRS II	COM CL A	88605T100	535	54,294	SH		SOLE		54,294	0	0
TOWER SEMICONDUCTOR LTD	SHS NEW	M87915274	3,032	69,000	SH		SOLE		69,000	0	0
TWITTER INC	COM	90184L102	10,761	245,456	SH		SOLE		245,456	0	0
TWITTER INC	COM	90184L102	0	622,100	SH	Call	SOLE		622,100	0	0
USHG ACQUISITION CORP	COM CL A	91748P100	891	90,487	SH		SOLE		90,487	0	0
VMWARE INC	CL A COM	928563402	2,408	22,621	SH		SOLE		22,621	0	0
WESTROCK CO	COM	96145D105	1,208	39,092	SH		SOLE		39,092	0	0
WILLIS TOWERS WATSON PLC LTD	SHS	G96629103	2,906	14,462	SH		SOLE		14,462	0	0
WILLSCOT MOBIL MINI HLDNG CO	COM CL A	971378104	3,467	85,961	SH		SOLE		85,961	0	0
YELLOW CORP	COM	985510106	193	38,097	SH		SOLE		38,097	0	0
ZENDESK INC	COM	98936J101	2,754	36,194	SH		SOLE		36,194	0	0
Z-WORK ACQUISITION CORP	*W EXP 01/04/202	98880C110	0	12,407	SH		SOLE		12,407	0	0
ZYMERGEN INC	COM	98985X100	737	265,000	SH		SOLE		265,000	0	0