683 Capital Management 13F-HR/A Quarterly holdings report by institutional manager (amended)

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

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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	19,770	100,500	SH	Put	DFND	1	100,500	0	0
ADECOAGRO S A	COM	L00849106	2,783	350,000	SH		DFND	1	350,000	0	0
ADIENT PLC	ORD SHS	G0084W101	42,795	870,000	SH		DFND	1	870,000	0	0
ADMA BIOLOGICS INC	COM	000899104	3,991	885,000	SH		DFND	1	885,000	0	0
ALDEYRA THERAPEUTICS INC	COM	01438T106	7,950	1,000,000	SH		DFND	1	1,000,000	0	0
ALNYLAM PHARMACEUTICALS INC	COM	02043Q107	29,547	300,000	SH		DFND	1	300,000	0	0
APPLIED GENETIC TECHNOL CORP	COM	03820J100	1,110	300,000	SH		DFND	1	300,000	0	0
ARDELYX INC	COM	039697107	2,405	650,000	SH		DFND	1	650,000	0	0
ARRAY BIOPHARMA INC	COM	04269X105	7,551	450,000	SH		DFND	1	450,000	0	0
ATLANTIC ACQUISITION CORP	RIGHT 02/08/2019	048206304	154	270,000	SH		DFND	1	270,000	0	0
AVEO PHARMACEUTICALS INC	COM	053588109	5,650	2,500,000	SH		DFND	1	2,500,000	0	0
AVEO PHARMACEUTICALS INC	COM	053588109	1,130	500,000	SH	Call	DFND	1	500,000	0	0
AZURRX BIOPHARMA INC	COM	05502L105	1,284	400,000	SH		DFND	1	400,000	0	0
BIG ROCK PARTNERS ACQUISI CO	RIGHT 12/01/2022	089482129	74	165,000	SH		DFND	1	165,000	0	0
BIG ROCK PARTNERS ACQUISI CO	*W EXP 12/01/202	089482111	31	82,500	SH		DFND	1	82,500	0	0
BISON CAP ACQUISITION CORP	RIGHT 03/20/2019	G1142P138	33	100,000	SH		DFND	1	100,000	0	0
BISON CAP ACQUISITION CORP	*W EXP 06/20/202	G1142P112	19	50,000	SH		DFND	1	50,000	0	0
BLACK RIDGE ACQUISITION CORP	RIGHT 07/10/2019	09216T123	70	200,000	SH		DFND	1	200,000	0	0
BLACK RIDGE ACQUISITION CORP	*W EXP 07/10/202	09216T115	301	700,000	SH		DFND	1	700,000	0	0
BLACKSTONE GROUP L P	COM UNIT LTD	09253U108	5,469	170,000	SH		DFND	1	170,000	0	0
CARVANA CO	CL A	146869102	64,964	1,561,634	SH		DFND	1	1,561,634	0	0
CATERPILLAR INC DEL	COM	149123101	10,175	75,000	SH	Put	DFND	1	75,000	0	0
CM SEVEN STAR ACQUISITION CO	RIGHT 08/21/2022	G2345N136	56	175,000	SH		DFND	1	175,000	0	0
CM SEVEN STAR ACQUISITION CO	*W EXP 08/21/202	G2345N110	35	87,500	SH		DFND	1	87,500	0	0
COCA COLA CO	COM	191216100	26,316	600,000	SH	Put	DFND	1	600,000	0	0
CONSTELLATION ALPHA CAP CORP	RIGHT 99/99/9999	G2379F132	117	180,000	SH		DFND	1	180,000	0	0
CONSTELLATION ALPHA CAP CORP	*W EXP 03/23/202	G2379F116	137	380,000	SH		DFND	1	380,000	0	0
CONTRAFECT CORP	COM	212326102	5,138	2,324,836	SH		DFND	1	2,324,836	0	0
CRESUD S A C I F Y A	SPONSORED ADR	226406106	10,100	681,500	SH		DFND	1	681,500	0	0
DIANA SHIPPING INC	COM	Y2066G104	2,109	438,364	SH		DFND	1	438,364	0	0
DRAPER OAKWOOD TECHNOLOGY	RIGHT 09/19/2018	26146L129	106	180,000	SH		DFND	1	180,000	0	0
DRAPER OAKWOOD TECHNOLOGY	*W EXP 09/19/202	26146L111	66	90,000	SH		DFND	1	90,000	0	0
EASTERLY ACQUISITION CORP	*W EXP 07/29/202	27616L110	625	500,000	SH		DFND	1	500,000	0	0
EDISON INTL	COM	281020107	6,327	100,000	SH		DFND	1	100,000	0	0
EIGER BIOPHARMACEUTICALS INC	COM	28249U105	3,602	295,285	SH		DFND	1	295,285	0	0
ELLIE MAE INC	COM	28849P100	2,596	25,000	SH	Put	DFND	1	25,000	0	0
ENERGY RECOVERY INC	COM	29270J100	8,888	1,100,000	SH		DFND	1	1,100,000	0	0
ENOVA INTL INC	COM	29357K103	19,424	531,449	SH		DFND	1	531,449	0	0
ESTRE AMBIENTAL INC	*W EXP 12/21/202	G3206V118	319	750,000	SH		DFND	1	750,000	0	0
ETSY INC	COM	29786A106	7,383	175,000	SH		DFND	1	175,000	0	0
EVOKE PHARMA INC	COM	30049G104	286	114,300	SH		DFND	1	114,300	0	0
FACEBOOK INC	CL A	30303M102	9,716	50,000	SH	Put	DFND	1	50,000	0	0
FATE THERAPEUTICS INC	COM	31189P102	8,437	744,011	SH		DFND	1	744,011	0	0
FENNEC PHARMACEUTICALS INC	COM	31447P100	9,053	867,185	SH		DFND	1	867,185	0	0
FERRARI N V	COM	N3167Y103	13,501	100,000	SH	Put	DFND	1	100,000	0	0
GALMED PHARMACEUTICALS LTD	SHS	M47238106	16,065	1,350,000	SH		DFND	1	1,350,000	0	0
GENCO SHIPPING & TRADING LTD	SHS	Y2685T131	1,057	68,200	SH		DFND	1	68,200	0	0
GIGCAPITAL INC	RIGHT 03/06/2020	37518N114	90	200,000	SH		DFND	1	200,000	0	0
GIGCAPITAL INC	*W EXP 06/08/202	37518N122	68	150,000	SH		DFND	1	150,000	0	0
GORDON POINTE ACQUISITION CO	COM CLASS A	382788107	2,187	225,000	SH		DFND	1	225,000	0	0
GORDON POINTE ACQUISITION CO	*W EXP 07/30/202	382788115	124	225,000	SH		DFND	1	225,000	0	0
GREIF INC	CL B	397624206	686	11,910	SH		DFND	1	11,910	0	0
GRUBHUB INC	COM	400110102	10,491	100,000	SH	Put	DFND	1	100,000	0	0
GRUPO FINANCIERO GALICIA S A	SP ADR 10 SH B	399909100	1,484	45,000	SH		DFND	1	45,000	0	0
HAYMAKER ACQUISITION CORP	*W EXP 10/27/202	420870115	249	300,000	SH		DFND	1	300,000	0	0
HENNESSY CAP ACQUSTON CORP I	*W EXP 06/15/202	42588L113	774	537,500	SH		DFND	1	537,500	0	0
HERBALIFE NUTRITION LTD	COM SHS	G4412G101	21,488	400,000	SH	Put	DFND	1	400,000	0	0
HL ACQUISITIONS CORP	UNIT 06/21/2023	G4603R114	1,811	180,000	SH		DFND	1	180,000	0	0
HOSTESS BRANDS INC	*W EXP 11/04/202	44109J114	3,786	2,226,799	SH		DFND	1	2,226,799	0	0
I AM CAP ACQUISITION CO	RIGHT 05/22/2019	45074Q124	76	200,000	SH		DFND	1	200,000	0	0
I AM CAP ACQUISITION CO	*W EXP 05/22/202	45074Q116	295	700,000	SH		DFND	1	700,000	0	0
IFRESH INC	COM	449538107	156	30,000	SH		DFND	1	30,000	0	0
INDUSTREA ACQUISITION CORP	*W EXP 08/01/202	45579J112	741	1,234,606	SH		DFND	1	1,234,606	0	0
INSPIRED ENTMT INC	COM	45782N108	4,421	707,330	SH		DFND	1	707,330	0	0
INTEC PHARMA LTD JERUSALEM	SHS	M53644106	660	150,000	SH		DFND	1	150,000	0	0
IOVANCE BIOTHERAPEUTICS INC	COM	462260100	4,480	350,000	SH		DFND	1	350,000	0	0
IRSA INVERSIONES Y REP S A	GLOBL DEP RCPT	450047204	11,520	666,300	SH		DFND	1	666,300	0	0
JOHNSON & JOHNSON	COM	478160104	14,561	120,000	SH	Put	DFND	1	120,000	0	0
KELLOGG CO	COM	487836108	13,974	200,000	SH	Put	DFND	1	200,000	0	0
KROGER CO	COM	501044101	18,493	650,000	SH		DFND	1	650,000	0	0
KROGER CO	COM	501044101	11,380	400,000	SH	Call	DFND	1	400,000	0	0
LEAP THERAPEUTICS INC	COM	52187K101	1,350	150,000	SH		DFND	1	150,000	0	0
LEGACY ACQUISITION CORP	*W EXP 11/30/202	524643111	215	500,000	SH		DFND	1	500,000	0	0
LEISURE ACQUISITION CORP	COM	52539T107	2,415	250,000	SH		DFND	1	250,000	0	0
LEISURE ACQUISITION CORP	*W EXP 12/05/201	52539T115	89	125,000	SH		DFND	1	125,000	0	0
LF CAP ACQUISITION CORP	UNIT 06/19/2025	50200K207	4,532	450,000	SH		DFND	1	450,000	0	0
LIBERTY TRIPADVISOR HLDGS IN	COM SER A	531465102	2,013	125,000	SH		DFND	1	125,000	0	0
M D C HLDGS INC	COM	552676108	3,077	100,000	SH	Put	DFND	1	100,000	0	0
MACROGENICS INC	COM	556099109	5,423	262,600	SH		DFND	1	262,600	0	0
MARINUS PHARMACEUTICALS INC	COM	56854Q101	8,484	1,200,000	SH		DFND	1	1,200,000	0	0
MEDICINES CO	COM	584688105	4,670	127,252	SH		DFND	1	127,252	0	0
MICRON TECHNOLOGY INC	COM	595112103	17,305	330,000	SH		DFND	1	330,000	0	0
MIRAGEN THERAPEUTICS INC	COM	60463E103	3,205	500,000	SH		DFND	1	500,000	0	0
MODERN MEDIA ACQUISITION	RIGHT 99/99/9999	60765P129	520	1,000,000	SH		DFND	1	1,000,000	0	0
MODERN MEDIA ACQUISITION	*W EXP 05/17/202	60765P111	325	500,000	SH		DFND	1	500,000	0	0
MTECH ACQUISITION CORP	*W EXP 08/01/202	55378W115	49	75,000	SH		DFND	1	75,000	0	0
MUDRICK CAP ACQUISITION CORP	COM CLASS A	624745105	18,316	1,900,000	SH		DFND	1	1,900,000	0	0
MUDRICK CAP ACQUISITION CORP	*W EXP 02/12/202	624745113	1,600	2,500,000	SH		DFND	1	2,500,000	0	0
NATIONAL ENERGY SERVICES REU	*W EXP 05/05/202	G6375R115	870	725,000	SH		DFND	1	725,000	0	0
NATIONAL OILWELL VARCO INC	COM	637071101	12,803	295,000	SH		DFND	1	295,000	0	0
NAVIOS MARITIME HOLDINGS INC	COM	Y62196103	256	300,000	SH		DFND	1	300,000	0	0
NETFLIX INC	COM	64110L106	78,286	200,000	SH	Put	DFND	1	200,000	0	0
NEW FRONTIER CORP	UNIT 99/99/9999	G6485P116	1,003	100,000	SH		DFND	1	100,000	0	0
NEW YORK REIT INC	COM NEW	64976L208	13,680	749,999	SH		DFND	1	749,999	0	0
NEXEO SOLUTIONS INC	*W EXP 06/09/202	65342H110	671	1,175,341	SH		DFND	1	1,175,341	0	0
NII HLDGS INC	COM PAR	62913F508	54,777	14,045,499	SH		DFND	1	14,045,499	0	0
NORDIC AMERICAN TANKERS LIMI	COM	G65773106	1,005	375,000	SH		DFND	1	375,000	0	0
ON DECK CAP INC	COM	682163100	21,350	3,050,000	SH		DFND	1	3,050,000	0	0
ONCONOVA THERAPEUTICS INC	COM NEW	68232V306	5,867	14,503,169	SH		DFND	1	14,503,169	0	0
ONCOSEC MED INC	COM NEW	68234L207	414	300,000	SH		DFND	1	300,000	0	0
ONE MADISON CORP	COM CL A	G6772P100	2,425	250,000	SH		DFND	1	250,000	0	0
ONE MADISON CORP	*W EXP 99/99/999	G6772P126	128	125,000	SH		DFND	1	125,000	0	0
OPES ACQUISITION CORP	COM	68373P100	1,455	150,000	SH		DFND	1	150,000	0	0
OPES ACQUISITION CORP	*W EXP 03/13/202	68373P118	53	150,000	SH		DFND	1	150,000	0	0
OSPREY ENERGY ACQUISITION CO	*W EXP 07/21/202	688397116	239	149,600	SH		DFND	1	149,600	0	0
OTONOMY INC	COM	68906L105	3,080	800,000	SH		DFND	1	800,000	0	0
PENSARE ACQUISITION CORP	RIGHT 99/99/9999	70957E121	296	605,000	SH		DFND	1	605,000	0	0
PENSARE ACQUISITION CORP	*W EXP 07/27/202	70957E113	74	115,000	SH		DFND	1	115,000	0	0
PG&E CORP	COM	69331C108	25,192	591,910	SH		DFND	1	591,910	0	0
POLARITYTE INC	COM	731094108	4,002	170,000	SH		DFND	1	170,000	0	0
PURE ACQUISITION CORP	CL A	74621Q106	2,050	200,000	SH		DFND	1	200,000	0	0
REDHILL BIOPHARMA LTD	SPONSORED ADS	757468103	17,424	2,042,654	SH		DFND	1	2,042,654	0	0
SEADRILL LIMITED	SHS	G7945E105	2,974	13,519,200	SH	Put	DFND	1	13,519,200	0	0
SELECT SECTOR SPDR TR	SBI CONS STPLS	81369Y308	5,153	100,000	SH	Put	DFND	1	100,000	0	0
SEQUENTIAL BRNDS GROUP INC N	COM	81734P107	6,612	3,356,200	SH		DFND	1	3,356,200	0	0
SIERRA ONCOLOGY INC	COM	82640U107	5,328	1,800,000	SH		DFND	1	1,800,000	0	0
SIMPLY GOOD FOODS CO	*W EXP 07/07/202	82900L110	3,318	799,459	SH		DFND	1	799,459	0	0
SOLENO THERAPEUTICS INC	COM NEW	834203200	1,975	844,112	SH		DFND	1	844,112	0	0
SPDR SERIES TRUST	S&P REGL BKG	78464A698	18,300	300,000	SH	Put	DFND	1	300,000	0	0
SPDR SERIES TRUST	S&P RETAIL ETF	78464A714	21,852	450,000	SH	Put	DFND	1	450,000	0	0
STRONGBRIDGE BIOPHARMA PLC	SHS USD	G85347105	1,500	250,000	SH		DFND	1	250,000	0	0
SYNDAX PHARMACEUTICALS INC	COM	87164F105	2,633	375,000	SH		DFND	1	375,000	0	0
SYNTHETIC BIOLOGICS INC	COM	87164U102	359	1,500,000	SH		DFND	1	1,500,000	0	0
TAPIMMUNE INC	COM PAR	876033408	1,886	200,000	SH		DFND	1	200,000	0	0
TARGET CORP	COM	87612E106	1,903	25,000	SH	Put	DFND	1	25,000	0	0
TESLA INC	COM	88160R101	425,258	1,240,000	SH	Put	DFND	1	1,240,000	0	0
TETRAPHASE PHARMACEUTICALS I	COM	88165N105	2,142	600,000	SH		DFND	1	600,000	0	0
TIBERIUS ACQUISITION CORP	COM	88633A107	4,325	450,000	SH		DFND	1	450,000	0	0
TIBERIUS ACQUISITION CORP	*W EXP 02/28/202	88633A115	252	450,000	SH		DFND	1	450,000	0	0
TIDEWATER INC NEW	*W EXP 07/31/202	88642R125	39	14,178	SH		DFND	1	14,178	0	0
TOCAGEN INC	COM	888846102	467	50,000	SH		DFND	1	50,000	0	0
TRACON PHARMACEUTICALS INC	COM	89237H100	7,073	2,738,938	SH		DFND	1	2,738,938	0	0
TRIDENT ACQUISITIONS CORP	COM	89615T106	2,438	250,000	SH		DFND	1	250,000	0	0
TRIDENT ACQUISITIONS CORP	*W EXP 05/09/202	89615T114	542	1,693,750	SH		DFND	1	1,693,750	0	0
TRINITY MERGER CORP	COM CL A	89653L106	7,000	700,000	SH		DFND	1	700,000	0	0
TRIVAGO N V	SPON ADS A SHS	89686D105	24,970	5,500,000	SH		DFND	1	5,500,000	0	0
TRUECAR INC	COM	89785L107	34,138	3,383,358	SH		DFND	1	3,383,358	0	0
TWELVE SEAS INVESTMENT COMPA	UNIT 06/21/2023	G9145A123	1,761	175,000	SH		DFND	1	175,000	0	0
UNION ACQUISITION CORP	SHS	G9366W101	1,938	200,000	SH		DFND	1	200,000	0	0
UNION ACQUISITION CORP	RIGHT 12/02/2019	G9366W135	64	200,000	SH		DFND	1	200,000	0	0
UNION ACQUISITION CORP	*W EXP 07/01/202	G9366W127	70	200,000	SH		DFND	1	200,000	0	0
UNIQURE NV	SHS	N90064101	39,690	1,050,000	SH		DFND	1	1,050,000	0	0
VASCULAR BIOGENICS LTD	COM	M96883109	762	346,574	SH		DFND	1	346,574	0	0
VECTOIQ ACQUISITION CORP	COM	92243N103	5,000	500,000	SH		DFND	1	500,000	0	0
WARRIOR MET COAL INC	COM	93627C101	6,203	225,000	SH		DFND	1	225,000	0	0
WILLSCOT CORP	*W EXP 09/10/202	971375118	5,831	2,579,958	SH		DFND	1	2,579,958	0	0
WRIGHT MED GROUP N V	RIGHT 03/01/2019	N96617126	517	403,531	SH		DFND	1	403,531	0	0
XENIA HOTELS & RESORTS INC	COM	984017103	13,398	550,000	SH		DFND	1	550,000	0	0
ZAFGEN INC	COM	98885E103	16,368	1,600,000	SH		DFND	1	1,600,000	0	0
ZOGENIX INC	COM NEW	98978L204	2,210	50,000	SH		DFND	1	50,000	0	0