683 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
3M CO	COM	88579Y101	12,480	65,500	SH	Put	DFND		65,500	0	0
ACER THERAPEUTICS INC	COM	00444P108	390	19,367	SH		DFND		19,367	0	0
ACHILLION PHARMACEUTICALS IN	COM	00448Q201	1,590	1,000,000	SH		DFND		1,000,000	0	0
ADAMIS PHARMACEUTICALS CORP	COM NEW	00547W208	1,913	850,000	SH		DFND		850,000	0	0
ADECOAGRO S A	COM	L00849106	2,436	350,000	SH		DFND		350,000	0	0
ADIENT PLC	ORD SHS	G0084W101	17,952	1,192,000	SH		DFND		1,192,000	0	0
ADMA BIOLOGICS INC	COM	000899104	1,924	805,000	SH		DFND		805,000	0	0
ADVERUM BIOTECHNOLOGIES INC	COM	00773U108	1,142	362,386	SH		DFND		362,386	0	0
ALDEYRA THERAPEUTICS INC	COM	01438T106	11,568	1,393,700	SH		DFND		1,393,700	0	0
ALLEGRO MERGER CORP	*W EXP 01/06/202	01749N111	133	443,772	SH		DFND		443,772	0	0
ALNYLAM PHARMACEUTICALS INC	COM	02043Q107	23,769	326,000	SH		DFND		326,000	0	0
ALTRIA GROUP INC	COM	02209S103	4,939	100,000	SH	Put	DFND		100,000	0	0
AMCI ACQUISITION CORP	UNIT 01/07/2019	00165R200	1,990	200,000	SH		DFND		200,000	0	0
APPLIED GENETIC TECHNOL CORP	COM	03820J100	498	200,000	SH		DFND		200,000	0	0
ARDELYX INC	COM	039697107	1,624	907,114	SH		DFND		907,114	0	0
ARYA SCIENCES ACQUISITION CO	SHS CL A	G3165V109	9,800	1,000,000	SH		DFND		1,000,000	0	0
ARYA SCIENCES ACQUISITION CO	*W EXP 10/10/202	G3165V125	800	500,000	SH		DFND		500,000	0	0
AT&T INC	COM	00206R102	4,281	150,000	SH	Put	DFND		150,000	0	0
AVEO PHARMACEUTICALS INC	COM	053588109	3,000	1,875,000	SH		DFND		1,875,000	0	0
AZURRX BIOPHARMA INC	COM	05502L105	842	695,504	SH		DFND		695,504	0	0
BIG ROCK PARTNERS ACQUISI CO	RIGHT 12/01/2022	089482129	59	165,000	SH		DFND		165,000	0	0
BIG ROCK PARTNERS ACQUISI CO	*W EXP 12/01/202	089482111	32	82,500	SH		DFND		82,500	0	0
BISON CAP ACQUISITION CORP	RIGHT 03/20/2019	G1142P138	28	100,000	SH		DFND		100,000	0	0
BISON CAP ACQUISITION CORP	*W EXP 06/20/202	G1142P112	12	50,000	SH		DFND		50,000	0	0
BLACK RIDGE ACQUISITION CORP	RIGHT 07/10/2019	09216T123	60	200,000	SH		DFND		200,000	0	0
BLACK RIDGE ACQUISITION CORP	*W EXP 07/10/202	09216T115	224	700,000	SH		DFND		700,000	0	0
BLACKSTONE GROUP L P	COM UNIT LTD	09253U108	5,068	170,000	SH		DFND		170,000	0	0
BRIGHTHOUSE FINL INC	COM	10922N103	1,588	52,100	SH		DFND		52,100	0	0
CAPITAL ONE FINL CORP	COM	14040H105	18,595	246,000	SH		DFND		246,000	0	0
CAPITAL ONE FINL CORP	COM	14040H105	7,559	100,000	SH	Put	DFND		100,000	0	0
CARVANA CO	CL A	146869102	60,841	1,860,000	SH		DFND		1,860,000	0	0
CATERPILLAR INC DEL	COM	149123101	9,530	75,000	SH	Put	DFND		75,000	0	0
CHARDAN HEALTHCARE ACQUISITI	UNIT 12/13/2023	15957A207	1,511	150,000	SH		DFND		150,000	0	0
CHASERG TECHNLGY ACQUISITN C	*W EXP 04/10/202	16166A111	55	75,000	SH		DFND		75,000	0	0
CHIMERIX INC	COM	16934W106	771	300,000	SH		DFND		300,000	0	0
CM SEVEN STAR ACQUISITION CO	RIGHT 08/21/2022	G2345N136	70	175,000	SH		DFND		175,000	0	0
CM SEVEN STAR ACQUISITION CO	*W EXP 08/21/202	G2345N110	22	75,000	SH		DFND		75,000	0	0
COCA COLA CO	COM	191216100	28,410	600,000	SH	Put	DFND		600,000	0	0
CONCRETE PUMPING HLDGS INC	*W EXP 08/01/202	206704116	963	1,234,606	SH		DFND		1,234,606	0	0
CONSTELLATION ALPHA CAP CORP	RIGHT 99/99/9999	G2379F132	34	180,000	SH		DFND		180,000	0	0
CONSTELLATION ALPHA CAP CORP	*W EXP 03/23/202	G2379F116	50	380,000	SH		DFND		380,000	0	0
CONTRAFECT CORP	COM	212326102	3,488	2,280,000	SH		DFND		2,280,000	0	0
CONTURA ENERGY INC	COM	21241B100	4,380	66,625	SH		DFND		66,625	0	0
CRESUD S A C I F Y A	SPONSORED ADR	226406106	10,570	870,000	SH		DFND		870,000	0	0
DESPEGAR COM CORP	ORD SHS	G27358103	4,344	350,000	SH		DFND		350,000	0	0
DHT HOLDINGS INC	SHS NEW	Y2065G121	1,823	465,000	SH		DFND		465,000	0	0
DIANA SHIPPING INC	COM	Y2066G104	867	272,622	SH		DFND		272,622	0	0
DRAPER OAKWOOD TECHNOLOGY	*W EXP 09/19/202	26146L111	17	85,200	SH		DFND		85,200	0	0
EDTECHX HLDGS ACQUISITION CO	*W EXP 12/31/202	28138X111	44	125,000	SH		DFND		125,000	0	0
EIGER BIOPHARMACEUTICALS INC	COM	28249U105	16,363	1,610,529	SH		DFND		1,610,529	0	0
ELEVATE CREDIT INC	COM	28621V101	4,683	1,045,305	SH		DFND		1,045,305	0	0
ENERGY RECOVERY INC	COM	29270J100	7,403	1,100,000	SH		DFND		1,100,000	0	0
ENOVA INTL INC	COM	29357K103	11,481	590,000	SH		DFND		590,000	0	0
ESTRE AMBIENTAL INC	*W EXP 12/21/202	G3206V118	60	750,000	SH		DFND		750,000	0	0
EVOKE PHARMA INC	COM	30049G104	283	114,300	SH		DFND		114,300	0	0
EXACT SCIENCES CORP	COM	30063P105	6,310	100,000	SH	Put	DFND		100,000	0	0
EXPEDIA GROUP INC	COM NEW	30212P303	4,506	40,000	SH	Put	DFND		40,000	0	0
FACEBOOK INC	CL A	30303M102	6,555	50,000	SH	Put	DFND		50,000	0	0
FALCON MINERALS CORP	*W EXP 07/21/202	30607B208	90	149,600	SH		DFND		149,600	0	0
FATE THERAPEUTICS INC	COM	31189P102	5,196	405,000	SH		DFND		405,000	0	0
FENNEC PHARMACEUTICALS INC	COM	31447P100	6,197	971,351	SH		DFND		971,351	0	0
FERRARI N V	COM	N3167Y103	159	1,600	SH		DFND		1,600	0	0
FERRARI N V	COM	N3167Y103	12,430	125,000	SH	Call	DFND		125,000	0	0
FERRARI N V	COM	N3167Y103	33,810	340,000	SH	Put	DFND		340,000	0	0
FORUM MERGER II CORP	*W EXP 09/30/202	34986F111	135	300,000	SH		DFND		300,000	0	0
GALMED PHARMACEUTICALS LTD	SHS	M47238106	9,221	1,350,000	SH		DFND		1,350,000	0	0
GENCO SHIPPING & TRADING LTD	SHS	Y2685T131	933	1,189,200	SH		DFND		1,189,200	0	0
GIGCAPITAL INC	RIGHT 03/06/2020	37518N114	55	200,000	SH		DFND		200,000	0	0
GIGCAPITAL INC	*W EXP 06/08/202	37518N122	38	150,000	SH		DFND		150,000	0	0
GLOBALSTAR INC	COM	378973408	10,306	16,110,778	SH		DFND		16,110,778	0	0
GORDON POINTE ACQUISITION CO	*W EXP 07/30/202	382788115	88	225,000	SH		DFND		225,000	0	0
GRAF INDL CORP	*W EXP 12/31/202	384278115	90	225,000	SH		DFND		225,000	0	0
GREENLAND ACQUISITIN CORPORA	RIGHT 04/27/2025	G40981113	68	150,000	SH		DFND		150,000	0	0
GREENLAND ACQUISITIN CORPORA	*W EXP 03/03/202	G40981105	30	150,000	SH		DFND		150,000	0	0
GREIF INC	CL B	397624206	529	11,910	SH		DFND		11,910	0	0
GRUBHUB INC	COM	400110102	7,681	100,000	SH	Put	DFND		100,000	0	0
GRUPO FINANCIERO GALICIA-ADR	SP ADR 10 SH B	399909100	2,895	105,000	SH		DFND		105,000	0	0
HAYMAKER ACQUISITION CORP	*W EXP 10/27/202	420870115	312	380,000	SH		DFND		380,000	0	0
HERBALIFE NUTRITION LTD	COM SHS	G4412G101	17,685	300,000	SH	Put	DFND		300,000	0	0
HL ACQUISITIONS CORP	RIGHT 07/17/2023	G4603R130	136	180,000	SH		DFND		180,000	0	0
HL ACQUISITIONS CORP	*W EXP 06/21/202	G4603R122	54	180,000	SH		DFND		180,000	0	0
HOSTESS BRANDS INC	*W EXP 11/04/202	44109J114	2,341	2,520,000	SH		DFND		2,520,000	0	0
IFRESH INC	COM	449538107	26	30,000	SH		DFND		30,000	0	0
INSPIRED ENTMT INC	COM	45782N108	3,849	801,824	SH		DFND		801,824	0	0
INTEC PHARMA LTD JERUSALEM	SHS	M53644106	1,131	150,000	SH		DFND		150,000	0	0
INVESCO SR INCOME TR	COM	46131H107	21,780	1,000,000	SH	Put	DFND		1,000,000	0	0
IRSA INVERSIONES Y REP S A	GLOBL DEP RCPT	450047204	11,685	894,724	SH		DFND		894,724	0	0
IRSA PROPIEDADES COMERCIALES	SPONSORED ADR	463588103	1,299	72,050	SH		DFND		72,050	0	0
ISHARES TR	IBOXX HI YD ETF	464288513	16,220	200,000	SH	Put	DFND		200,000	0	0
JOHNSON & JOHNSON	COM	478160104	83,883	650,000	SH	Put	DFND		650,000	0	0
KADMON HLDGS INC	COM	48283N106	697	334,900	SH		DFND		334,900	0	0
KELLOGG CO	COM	487836108	21,379	375,000	SH	Put	DFND		375,000	0	0
KROGER CO	COM	501044101	8,388	305,000	SH		DFND		305,000	0	0
KROGER CO	COM	501044101	11,000	400,000	SH	Call	DFND		400,000	0	0
LEAP THERAPEUTICS INC	COM	52187K101	300	150,000	SH		DFND		150,000	0	0
LEGACY ACQUISITION CORP	*W EXP 11/30/202	524643111	166	500,000	SH		DFND		500,000	0	0
LEISURE ACQUISITION CORP	*W EXP 12/05/201	52539T115	99	125,000	SH		DFND		125,000	0	0
LF CAP ACQUISITION CORP	*W EXP 06/22/202	50200K116	194	450,000	SH		DFND		450,000	0	0
M D C HLDGS INC	COM	552676108	2,811	100,000	SH	Put	DFND		100,000	0	0
MACROGENICS INC	COM	556099109	4,889	384,970	SH		DFND		384,970	0	0
MAGNOLIA OIL & GAS CORP	*W EXP 07/31/202	559663117	1,034	341,333	SH		DFND		341,333	0	0
MAIDEN HOLDINGS LTD	SHS	G5753U112	701	425,000	SH		DFND		425,000	0	0
MARINUS PHARMACEUTICALS INC	COM	56854Q101	3,875	1,350,000	SH		DFND		1,350,000	0	0
MARKER THERAPEUTICS INC	COM	57055L107	8,103	1,460,000	SH		DFND		1,460,000	0	0
MEDICINES CO	COM	584688105	3,201	167,252	SH		DFND		167,252	0	0
MEGALITH FINL ACQUISITION CO	CL A COM	58518F109	1,940	200,000	SH		DFND		200,000	0	0
MEGALITH FINL ACQUISITION CO	*W EXP 08/26/202	58518F117	160	400,000	SH		DFND		400,000	0	0
MEIRAGTX HOLDINGS PLC	COM	G59665102	675	70,000	SH		DFND		70,000	0	0
MICRON TECHNOLOGY INC	COM	595112103	11,423	360,000	SH		DFND		360,000	0	0
MIRAGEN THERAPEUTICS INC	COM	60463E103	5,142	1,697,038	SH		DFND		1,697,038	0	0
MODERN MEDIA ACQUISITION	RIGHT 99/99/9999	60765P129	250	1,000,000	SH		DFND		1,000,000	0	0
MODERN MEDIA ACQUISITION	*W EXP 05/17/202	60765P111	135	500,000	SH		DFND		500,000	0	0
MONDELEZ INTL INC	CL A	609207105	4,003	100,000	SH	Put	DFND		100,000	0	0
MTECH ACQUISITION CORP	*W EXP 08/01/202	55378W115	45	75,000	SH		DFND		75,000	0	0
MUDRICK CAP ACQUISITION CORP	COM CLASS A	624745105	18,772	1,900,000	SH		DFND		1,900,000	0	0
MUDRICK CAP ACQUISITION CORP	*W EXP 02/12/202	624745113	1,125	2,500,000	SH		DFND		2,500,000	0	0
NATIONAL ENERGY SERVICES REU	*W EXP 05/05/202	G6375R115	870	725,000	SH		DFND		725,000	0	0
NATIONAL OILWELL VARCO INC	COM	637071101	3,341	130,000	SH		DFND		130,000	0	0
NAVIOS MARITIME CONTAINERS L	COM UNIT RP LP	Y62151108	5,553	1,962,199	SH		DFND		1,962,199	0	0
NAVIOS MARITIME HOLDINGS INC	COM	Y62196103	82	300,000	SH		DFND		300,000	0	0
NETFLIX INC	COM	64110L106	53,532	200,000	SH	Put	DFND		200,000	0	0
NEW FRONTIER CORP	*W EXP 99/99/999	G6485P124	45	50,000	SH		DFND		50,000	0	0
NEXEO SOLUTIONS INC	*W EXP 06/09/202	65342H110	420	1,050,000	SH		DFND		1,050,000	0	0
NII HLDGS INC	COM PAR	62913F508	58,051	13,163,432	SH		DFND		13,163,432	0	0
NRC GROUP HLDGS CORP	*W EXP 10/17/202	629375114	435	537,500	SH		DFND		537,500	0	0
ON DECK CAP INC	COM	682163100	17,995	3,050,000	SH		DFND		3,050,000	0	0
ONCONOVA THERAPEUTICS INC	COM PAR	68232V405	2,040	966,877	SH		DFND		966,877	0	0
ONCOSEC MED INC	COM NEW	68234L207	192	300,000	SH		DFND		300,000	0	0
ONE MADISON CORP	*W EXP 99/99/999	G6772P126	97	125,000	SH		DFND		125,000	0	0
OPES ACQUISITION CORP	*W EXP 03/13/202	68373P118	44	150,000	SH		DFND		150,000	0	0
ORACLE CORP	COM	68389X105	4,515	100,000	SH	Put	DFND		100,000	0	0
OTONOMY INC	COM	68906L105	2,035	1,100,000	SH		DFND		1,100,000	0	0
PENSARE ACQUISITION CORP	RIGHT 99/99/9999	70957E121	175	605,000	SH		DFND		605,000	0	0
PENSARE ACQUISITION CORP	*W EXP 07/27/202	70957E113	23	115,000	SH		DFND		115,000	0	0
PERNIX THERAPEUTICS HLDGS IN	DBCV 4.250% 4/0	71426VAK4	68	9,000,000	PRN		DFND		9,000,000	0	0
PFIZER INC	COM	717081103	13,095	300,000	SH	Put	DFND		300,000	0	0
PG&E CORP	COM	69331C108	15,796	665,101	SH		DFND		665,101	0	0
PIERIS PHARMACEUTICALS INC	COM	720795103	400	150,257	SH		DFND		150,257	0	0
POLARITYTE INC	COM	731094108	9,185	680,900	SH		DFND		680,900	0	0
PROCTER AND GAMBLE CO	COM	742718109	27,576	300,000	SH	Put	DFND		300,000	0	0
REDHILL BIOPHARMA LTD	SPONSORED ADS	757468103	20,501	3,693,840	SH		DFND		3,693,840	0	0
RUMBLEON INC	CL B	781386206	1,413	300,000	SH		DFND		300,000	0	0
SCHULTZE SPL PURP ACQUISITIO	UNIT 12/31/2023	80821R208	2,985	300,000	SH		DFND		300,000	0	0
SCORPIO TANKERS INC	NOTE 3.000% 5/1	80918TAB5	1,563	2,000,000	PRN		DFND		2,000,000	0	0
SCORPIO TANKERS INC	SHS	Y7542C106	21,878	12,430,435	SH		DFND		12,430,435	0	0
SEADRILL LTD	COM	G7998G106	697	69,649	SH		DFND		69,649	0	0
SELECT SECTOR SPDR TR	SBI CONS STPLS	81369Y308	19,043	375,000	SH	Put	DFND		375,000	0	0
SELECT SECTOR SPDR TR	SBI INT-UTILS	81369Y886	41,278	780,000	SH	Put	DFND		780,000	0	0
SELLAS LIFE SCIENCES GROUP I	COM	81642T100	1,568	1,275,000	SH		DFND		1,275,000	0	0
SEQUENTIAL BRNDS GROUP INC N	COM	81734P107	2,685	3,356,200	SH		DFND		3,356,200	0	0
SIERRA ONCOLOGY INC	COM	82640U107	2,869	2,173,620	SH		DFND		2,173,620	0	0
SMAAASH ENTERTAINMENT INC	COM	831550108	41	20,000	SH		DFND		20,000	0	0
SMAAASH ENTERTAINMENT INC	*W EXP 05/22/202	831550116	122	700,000	SH		DFND		700,000	0	0
SOLENO THERAPEUTICS INC	COM NEW	834203200	1,443	844,112	SH		DFND		844,112	0	0
SOLENO THERAPEUTICS INC	*W EXP 11/12/201	834203135	186	602,443	SH		DFND		602,443	0	0
SPDR SERIES TRUST	S&P REGL BKG	78464A698	4,679	100,000	SH	Put	DFND		100,000	0	0
SPDR SERIES TRUST	S&P RETAIL ETF	78464A714	4,099	100,000	SH	Call	DFND		100,000	0	0
SPDR SERIES TRUST	S&P RETAIL ETF	78464A714	12,297	300,000	SH	Put	DFND		300,000	0	0
STRONGBRIDGE BIOPHARMA PLC	SHS USD	G85347105	3,802	848,700	SH		DFND		848,700	0	0
SYNDAX PHARMACEUTICALS INC	COM	87164F105	5,976	1,342,839	SH		DFND		1,342,839	0	0
SYNTHETIC BIOLOGICS INC	COM NEW	87164U201	24	42,858	SH		DFND		42,858	0	0
TEEKAY TANKERS LTD	CL A	Y8565N102	464	500,000	SH		DFND		500,000	0	0
TENZING ACQUISITION CORP	*W EXP 02/23/202	G8708A108	66	200,000	SH		DFND		200,000	0	0
TESLA INC	COM	88160R101	464,456	1,395,600	SH	Put	DFND		1,395,600	0	0
TETRAPHASE PHARMACEUTICALS I	COM	88165N105	893	790,571	SH		DFND		790,571	0	0
TG THERAPEUTICS INC	COM	88322Q108	2,050	500,000	SH		DFND		500,000	0	0
TIBERIUS ACQUISITION CORP	*W EXP 02/28/202	88633A115	176	450,000	SH		DFND		450,000	0	0
TIFFANY & CO NEW	COM	886547108	16,102	200,000	SH	Put	DFND		200,000	0	0
TKK SYMPHONY ACQUISITION COR	ORD SHS	G88950103	2,171	225,000	SH		DFND		225,000	0	0
TKK SYMPHONY ACQUISITION COR	RIGHT 02/20/2020	G88950137	79	225,000	SH		DFND		225,000	0	0
TKK SYMPHONY ACQUISITION COR	*W EXP 02/20/202	G88950129	34	225,000	SH		DFND		225,000	0	0
TOCAGEN INC	COM	888846102	3,079	375,000	SH		DFND		375,000	0	0
TOTTENHAM ACQUISITION I LTD	RIGHT 06/05/2020	G8959N122	54	134,000	SH		DFND		134,000	0	0
TOTTENHAM ACQUISITION I LTD	*W EXP 05/06/202	G8959N114	108	542,000	SH		DFND		542,000	0	0
TRACON PHARMACEUTICALS INC	COM	89237H100	1,726	2,738,938	SH		DFND		2,738,938	0	0
TRIDENT ACQUISITIONS CORP	*W EXP 05/09/202	89615T114	598	1,993,750	SH		DFND		1,993,750	0	0
TRINITY MERGER CORP	*W EXP 05/11/202	89653L114	277	700,000	SH		DFND		700,000	0	0
TRIVAGO N V	SPON ADS A SHS	89686D105	31,528	5,600,000	SH		DFND		5,600,000	0	0
TRUECAR INC	COM	89785L107	31,333	3,458,358	SH		DFND		3,458,358	0	0
TWELVE SEAS INVESTMENT COMPA	RIGHT 12/22/2019	G9145A131	61	175,000	SH		DFND		175,000	0	0
TWELVE SEAS INVESTMENT COMPA	*W EXP 12/22/202	G9145A115	151	581,850	SH		DFND		581,850	0	0
U S WELL SVCS INC	*W EXP 03/15/202	91274U119	480	800,000	SH		DFND		800,000	0	0
UNION ACQUISITION CORP	RIGHT 12/02/2019	G9366W135	76	200,000	SH		DFND		200,000	0	0
UNION ACQUISITION CORP	*W EXP 07/01/202	G9366W127	50	200,000	SH		DFND		200,000	0	0
UNIQURE NV	SHS	N90064101	31,270	1,085,000	SH		DFND		1,085,000	0	0
VECTOIQ ACQUISITION CORP	*W EXP 05/11/202	92243N111	250	500,000	SH		DFND		500,000	0	0
WARRIOR MET COAL INC	COM	93627C101	5,907	245,000	SH		DFND		245,000	0	0
WRIGHT MED GROUP N V	RIGHT 03/01/2019	N96617126	2	169,532	SH		DFND		169,532	0	0
ZAFGEN INC	COM	98885E103	6,930	1,400,000	SH		DFND		1,400,000	0	0
ZOGENIX INC	COM NEW	98978L204	1,823	50,000	SH		DFND		50,000	0	0