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	69,552	295,500	SH	Put	DFND	1	295,500	0	0
ADECOAGRO S A	COM	L00849106	3,102	300,000	SH		DFND	1	300,000	0	0
ADIENT PLC	ORD SHS	G0084W101	37,540	477,000	SH		DFND	1	477,000	0	0
ADMA BIOLOGICS INC	COM	000899104	3,050	950,000	SH		DFND	1	950,000	0	0
ADVERUM BIOTECHNOLOGIES INC	COM	00773U108	1,925	550,000	SH		DFND	1	550,000	0	0
ALDEYRA THERAPEUTICS INC	COM	01438T106	6,222	915,000	SH		DFND	1	915,000	0	0
ALNYLAM PHARMACEUTICALS INC	COM	02043Q107	25,410	200,000	SH		DFND	1	200,000	0	0
ALPS ETF TR	ALERIAN MLP	00162Q866	15,646	1,450,000	SH		DFND	1	1,450,000	0	0
ALPS ETF TR	ALERIAN MLP	00162Q866	9,495	880,000	SH	Call	DFND	1	880,000	0	0
ALPS ETF TR	ALERIAN MLP	00162Q866	19,422	1,800,000	SH	Put	DFND	1	1,800,000	0	0
ANTHERA PHARMACEUTICALS INC	COM	03674U300	399	276,809	SH		DFND	1	276,809	0	0
APPLIED GENETIC TECHNOL CORP	COM	03820J100	778	216,032	SH		DFND	1	216,032	0	0
ARRAY BIOPHARMA INC	COM	04269X105	5,760	450,000	SH		DFND	1	450,000	0	0
ATLANTIC ACQUISITION CORP	COM	048206106	1,775	180,000	SH		DFND	1	180,000	0	0
ATLANTIC ACQUISITION CORP	RIGHT 02/08/2019	048206304	162	270,000	SH		DFND	1	270,000	0	0
AVEO PHARMACEUTICALS INC	COM	053588109	6,975	2,500,000	SH		DFND	1	2,500,000	0	0
BANC OF CALIFORNIA INC	COM	05990K106	723	35,000	SH		DFND	1	35,000	0	0
BIG ROCK PARTNERS ACQUISI CO	UNIT 11/20/2022	089482202	1,689	165,000	SH		DFND	1	165,000	0	0
BISON CAP ACQUISITION CORP	RIGHT 03/20/2019	G1142P138	38	100,000	SH		DFND	1	100,000	0	0
BISON CAP ACQUISITION CORP	*W EXP 06/20/202	G1142P112	18	50,000	SH		DFND	1	50,000	0	0
BLACK RIDGE ACQUISITION CORP	COM	09216T107	1,930	200,000	SH		DFND	1	200,000	0	0
BLACK RIDGE ACQUISITION CORP	RIGHT 07/10/2019	09216T123	56	200,000	SH		DFND	1	200,000	0	0
BLACK RIDGE ACQUISITION CORP	*W EXP 07/10/202	09216T115	231	700,000	SH		DFND	1	700,000	0	0
BLACKSTONE GROUP L P	COM UNIT LTD	09253U108	5,443	170,000	SH		DFND	1	170,000	0	0
CARS COM INC	COM	14575E105	12,185	422,500	SH		DFND	1	422,500	0	0
CARVANA CO	CL A	146869102	14,017	733,104	SH		DFND	1	733,104	0	0
CARVANA CO	CL A	146869102	7,757	405,700	SH	Call	DFND	1	405,700	0	0
CISION LTD	*W EXP 06/22/202	G1992S117	2,992	1,100,000	SH		DFND	1	1,100,000	0	0
CATERPILLAR INC DEL	COM	149123101	11,819	75,000	SH	Put	DFND	1	75,000	0	0
CM SEVEN STAR ACQUISITION CO	SHS	G2345N102	1,689	175,000	SH		DFND	1	175,000	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	25	87,500	SH		DFND	1	87,500	0	0
COBALT INTL ENERGY INC	NOTE 2.625%12/0	19075FAA4	2,725	10,000,000	PRN		DFND	1	10,000,000	0	0
COBALT INTL ENERGY INC	NOTE 3.125% 5/1	19075FAB2	5,450	20,000,000	PRN		DFND	1	20,000,000	0	0
COBALT INTL ENERGY INC	COM NEW	19075F304	391	422,236	SH		DFND	1	422,236	0	0
COCA COLA CO	COM	191216100	52,189	1,137,500	SH	Put	DFND	1	1,137,500	0	0
CONSTELLATION ALPHA CAP CORP	SHS	G2379F108	1,755	180,000	SH		DFND	1	180,000	0	0
CONSTELLATION ALPHA CAP CORP	RIGHT 99/99/9999	G2379F132	56	180,000	SH		DFND	1	180,000	0	0
CONSTELLATION ALPHA CAP CORP	*W EXP 03/23/202	G2379F116	84	380,000	SH		DFND	1	380,000	0	0
CONTRAFECT CORP	COM	212326102	2,643	2,617,004	SH		DFND	1	2,617,004	0	0
CRESUD S A C I F Y A	SPONSORED ADR	226406106	20,108	910,286	SH		DFND	1	910,286	0	0
DHX MEDIA LTD	SHS VAR VTG	252406608	780	1,000,000	PRN		DFND	1	1,000,000	0	0
DIANA SHIPPING INC	COM	Y2066G104	1,784	438,364	SH		DFND	1	438,364	0	0
DICERNA PHARMACEUTICALS INC	COM	253031108	4,967	550,000	SH		DFND	1	550,000	0	0
DRAPER OAKWOOD TECHNOLOGY	RIGHT 09/19/2018	26146L129	90	180,000	SH		DFND	1	180,000	0	0
DRAPER OAKWOOD TECHNOLOGY	*W EXP 09/19/202	26146L111	60	90,000	SH		DFND	1	90,000	0	0
EASTERLY ACQUISITION CORP	*W EXP 07/29/202	27616L110	500	839,668	SH		DFND	1	839,668	0	0
ECHOSTAR CORP	CL A	278768106	4,792	80,000	SH		DFND	1	80,000	0	0
EDISON INTL	COM	281020107	6,324	100,000	SH		DFND	1	100,000	0	0
ELECTRUM SPL ACQUISITION COR	*W EXP 99/99/999	G3105C112	397	981,400	SH		DFND	1	981,400	0	0
ENERGY RECOVERY INC	COM	29270J100	6,563	750,000	SH		DFND	1	750,000	0	0
ENOVA INTL INC	COM	29357K103	12,817	843,200	SH		DFND	1	843,200	0	0
ESTRE AMBIENTAL INC	*W EXP 12/21/202	G3206V118	150	200,000	SH		DFND	1	200,000	0	0
ETSY INC	COM	29786A106	14,315	700,000	SH		DFND	1	700,000	0	0
EVOKE PHARMA INC	COM	30049G104	258	114,300	SH		DFND	1	114,300	0	0
FACEBOOK INC	CL A	30303M102	8,823	50,000	SH	Put	DFND	1	50,000	0	0
FATE THERAPEUTICS INC	COM	31189P102	5,217	853,800	SH		DFND	1	853,800	0	0
FENNEC PHARMACEUTICALS INC	COM	31447P100	8,689	867,185	SH		DFND	1	867,185	0	0
FERRARI N V	COM	N3167Y103	2,621	25,000	SH	Put	DFND	1	25,000	0	0
FOGO DE CHAO INC	COM	344177100	11,020	950,000	SH		DFND	1	950,000	0	0
FORUM MERGER CORP	COM CL A	34985B103	4,491	450,000	SH		DFND	1	450,000	0	0
FORUM MERGER CORP	RIGHT 06/01/2019	34985B129	220	334,000	SH		DFND	1	334,000	0	0
FORUM MERGER CORP	*W EXP 06/01/202	34985B111	171	251,806	SH		DFND	1	251,806	0	0
GALMED PHARMACEUTICALS LTD	SHS	M47238106	5,941	649,295	SH		DFND	1	649,295	0	0
GENCO SHIPPING & TRADING LTD	SHS	Y2685T131	908	68,200	SH		DFND	1	68,200	0	0
GIGCAPITAL INC	UNIT 03/06/2025	37518N205	2,000	200,000	SH		DFND	1	200,000	0	0
GREIF INC	CL B	397624206	762	10,993	SH		DFND	1	10,993	0	0
GRUBHUB INC	COM	400110102	7,180	100,000	SH	Put	DFND	1	100,000	0	0
HAYMAKER ACQUISITION CORP	COM CLASS A	420870107	5,736	600,000	SH		DFND	1	600,000	0	0
HAYMAKER ACQUISITION CORP	*W EXP 10/27/202	420870115	240	300,000	SH		DFND	1	300,000	0	0
HENNESSY CAP ACQUSTON CORP I	*W EXP 06/15/202	42588L113	370	437,500	SH		DFND	1	437,500	0	0
HERBALIFE LTD	COM USD SHS	G4412G101	23,702	350,000	SH	Put	DFND	1	350,000	0	0
HOSTESS BRANDS INC	*W EXP 11/04/202	44109J114	3,912	1,679,000	SH		DFND	1	1,679,000	0	0
I AM CAP ACQUISITION CO	RIGHT 05/22/2019	45074Q124	60	200,000	SH		DFND	1	200,000	0	0
I AM CAP ACQUISITION CO	*W EXP 05/22/202	45074Q116	231	700,000	SH		DFND	1	700,000	0	0
IFRESH INC	COM	449538107	223	17,158	SH		DFND	1	17,158	0	0
IMMUNOMEDICS INC	COM	452907108	1,293	80,000	SH		DFND	1	80,000	0	0
INDUSTREA ACQUISITION CORP	CL A	45579J104	9,750	1,000,000	SH		DFND	1	1,000,000	0	0
INDUSTREA ACQUISITION CORP	*W EXP 08/01/202	45579J112	520	1,234,606	SH		DFND	1	1,234,606	0	0
INSPIRED ENTMT INC	COM	45782N108	2,922	298,209	SH		DFND	1	298,209	0	0
INTERNATIONAL BUSINESS MACHS	COM	459200101	7,671	50,000	SH	Put	DFND	1	50,000	0	0
IOVANCE BIOTHERAPEUTICS INC	COM	462260100	2,400	300,000	SH		DFND	1	300,000	0	0
IRSA INVERSIONES Y REP S A	GLOBL DEP RCPT	450047204	11,988	405,000	SH		DFND	1	405,000	0	0
JPMORGAN CHASE & CO	ALERIAN ML ETN	46625H365	2,198	80,000	SH	Call	DFND	1	80,000	0	0
JOHNSON & JOHNSON	COM	478160104	17,465	125,000	SH	Put	DFND	1	125,000	0	0
KELLOGG CO	COM	487836108	13,596	200,000	SH	Put	DFND	1	200,000	0	0
KKR & CO L P DEL	COM UNITS	48248M102	21,060	1,000,000	SH		DFND	1	1,000,000	0	0
LEGACY ACQUISITION CORP	UNIT 05/31/2024	524643202	7,448	750,000	SH		DFND	1	750,000	0	0
LENDINGCLUB CORP	COM	52603A109	1,859	450,000	SH	Put	DFND	1	450,000	0	0
LIBERTY TRIPADVISOR HLDGS IN	COM SER A	531465102	1,885	200,000	SH		DFND	1	200,000	0	0
MARCHEX INC	CL B	56624R108	646	200,137	SH		DFND	1	200,137	0	0
MARINUS PHARMACEUTICALS INC	COM	56854Q101	4,488	550,000	SH		DFND	1	550,000	0	0
MEDICINES CO	COM	584688105	1,367	50,000	SH		DFND	1	50,000	0	0
MICRON TECHNOLOGY INC	COM	595112103	13,570	330,000	SH		DFND	1	330,000	0	0
MODERN MEDIA ACQUISITION	RIGHT 99/99/9999	60765P129	390	1,000,000	SH		DFND	1	1,000,000	0	0
MODERN MEDIA ACQUISITION	*W EXP 05/17/202	60765P111	275	500,000	SH		DFND	1	500,000	0	0
MONDELEZ INTL INC	CL A	609207105	11,556	270,000	SH	Put	DFND	1	270,000	0	0
NATIONAL ENERGY SERVICES REU	SHS	G6375R107	565	56,750	SH		DFND	1	56,750	0	0
NATIONAL ENERGY SERVICES REU	*W EXP 05/05/202	G6375R115	595	725,000	SH		DFND	1	725,000	0	0
NATIONAL OILWELL VARCO INC	COM	637071101	10,626	295,000	SH		DFND	1	295,000	0	0
NAVIOS MARITIME HOLDINGS INC	COM	Y62196103	360	300,000	SH		DFND	1	300,000	0	0
NETFLIX INC	COM	64110L106	38,392	200,000	SH	Put	DFND	1	200,000	0	0
NEXEO SOLUTIONS INC	*W EXP 06/09/202	65342H110	530	850,000	SH		DFND	1	850,000	0	0
NEW YORK REIT INC	COM	64976L109	23,580	6,000,000	SH		DFND	1	6,000,000	0	0
NII HLDGS INC	COM PAR	62913F508	5,376	12,671,154	SH		DFND	1	12,671,154	0	0
NORDIC AMERICAN TANKERS LIMI	COM	G65773106	923	375,000	SH		DFND	1	375,000	0	0
ON DECK CAP INC	COM	682163100	11,296	1,967,900	SH		DFND	1	1,967,900	0	0
ONCONOVA THERAPEUTICS INC	COM NEW	68232V306	697	464,934	SH		DFND	1	464,934	0	0
ORACLE CORP	COM	68389X105	3,546	75,000	SH	Put	DFND	1	75,000	0	0
OSPREY ENERGY ACQUISITION CO	CL A COM	688397108	2,400	250,000	SH		DFND	1	250,000	0	0
OSPREY ENERGY ACQUISITION CO	*W EXP 07/21/202	688397116	88	125,000	SH		DFND	1	125,000	0	0
OTONOMY INC	COM	68906L105	3,053	550,000	SH		DFND	1	550,000	0	0
PEABODY ENERGY CORP NEW	COM	704551100	7,874	200,000	SH		DFND	1	200,000	0	0
PEABODY ENERGY CORP NEW	8.5% PFD CONV A	704551407	8,566	115,555	SH		DFND	1	115,555	0	0
PENSARE ACQUISITION CORP	RIGHT 99/99/9999	70957E121	115	230,000	SH		DFND	1	230,000	0	0
PENSARE ACQUISITION CORP	*W EXP 07/27/202	70957E113	63	115,000	SH		DFND	1	115,000	0	0
PEPSICO INC	COM	713448108	5,996	50,000	SH	Put	DFND	1	50,000	0	0
PG&E CORP	COM	69331C108	33,623	750,000	SH		DFND	1	750,000	0	0
PLX PHARMA INC	COM	72942A107	859	124,557	SH		DFND	1	124,557	0	0
PROCTER AND GAMBLE CO	COM	742718109	9,188	100,000	SH	Put	DFND	1	100,000	0	0
REDHILL BIOPHARMA LTD	SPONSORED ADS	757468103	5,136	999,232	SH		DFND	1	999,232	0	0
REGENXBIO INC	COM	75901B107	831	25,000	SH		DFND	1	25,000	0	0
SEADRILL LIMITED	SHS	G7945E105	1,180	5,100,000	SH		DFND	1	5,100,000	0	0
SEADRILL LIMITED	SHS	G7945E105	1,593	6,924,100	SH	Put	DFND	1	6,924,100	0	0
SELECT SECTOR SPDR TR	SBI CONS STPLS	81369Y308	34,134	600,000	SH	Put	DFND	1	600,000	0	0
SELECT SECTOR SPDR TR	SBI INT-UTILS	81369Y886	26,340	500,000	SH	Put	DFND	1	500,000	0	0
SPDR SERIES TRUST	S&P RETAIL ETF	78464A714	22,590	500,000	SH	Put	DFND	1	500,000	0	0
SEQUENTIAL BRNDS GROUP INC N	COM	81734P107	5,965	3,351,400	SH		DFND	1	3,351,400	0	0
SIERRA ONCOLOGY INC	COM	82640U107	3,438	921,774	SH		DFND	1	921,774	0	0
SILVER RUN ACQUISITION	*W EXP 03/28/202	82812A111	149	100,000	SH		DFND	1	100,000	0	0
SIMPLY GOOD FOODS CO	*W EXP 07/07/202	82900L110	3,112	800,000	SH		DFND	1	800,000	0	0
SOLENO THERAPEUTICS INC	COM NEW	834203200	1,519	844,112	SH		DFND	1	844,112	0	0
STRONGBRIDGE BIOPHARMA PLC	SHS USD	G85347105	1,450	200,000	SH		DFND	1	200,000	0	0
SYNTHETIC BIOLOGICS INC	COM	87164U102	762	1,500,000	SH		DFND	1	1,500,000	0	0
TARGET CORP	COM	87612E106	1,958	30,000	SH	Put	DFND	1	30,000	0	0
TESLA INC	COM	88160R101	125,785	404,000	SH	Put	DFND	1	404,000	0	0
TIDEWATER INC NEW	*W EXP 07/31/202	88642R117	290	131,275	SH		DFND	1	131,275	0	0
TIME WARNER INC	COM NEW	887317303	18,294	200,000	SH		DFND	1	200,000	0	0
TRACON PHARMACEUTICALS INC	COM NEW	89237H100	4,992	1,490,000	SH		DFND	1	1,490,000	0	0
TRIPADVISOR INC	COM	896945201	8,925	259,000	SH		DFND	1	259,000	0	0
TRIVAGO N V	SPON ADS A SHS	89686D105	15,863	2,319,208	SH		DFND	1	2,319,208	0	0
TRIVAGO N V	SPON ADS A SHS	89686D105	2,052	300,000	SH	Put	DFND	1	300,000	0	0
TRUECAR INC	COM	89785L107	18,603	1,661,015	SH		DFND	1	1,661,015	0	0
UNIQURE NV	SHS	N90064101	20,570	1,050,000	SH		DFND	1	1,050,000	0	0
WAL-MART STORES INC	COM	931142103	14,813	150,000	SH		DFND	1	150,000	0	0
WARRIOR MET COAL INC	COM	93627C101	12,222	485,960	SH		DFND	1	485,960	0	0
WESTERN UN CO	COM	959802109	4,753	250,000	SH	Put	DFND	1	250,000	0	0
WILLSCOT CORP	*W EXP 09/10/202	971375118	3,178	2,207,000	SH		DFND	1	2,207,000	0	0
WMIH CORP	COM	92936P100	587	690,826	SH		DFND	1	690,826	0	0
WRIGHT MED GROUP N V	RIGHT 03/01/2019	N96617126	1,237	819,181	SH		DFND	1	819,181	0	0
XENIA HOTELS & RESORTS INC	COM	984017103	15,653	725,000	SH		DFND	1	725,000	0	0
ZAFGEN INC	COM	98885E103	6,006	1,300,000	SH		DFND	1	1,300,000	0	0