Westchester 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
ARRIS International Inc.	SHS	G0551A103	86,606	2,833,054	SH		SOLE		2,833,054	0	0
ARRIS International Inc.	SHS	G0551A103	1,617	52,908	SH		OTR	1	52,908	0	0
AT&T Inc.	COM	00206R102	13,766	482,355	SH		SOLE		482,355	0	0
AT&T Inc.	COM	00206R102	460	16,124	SH		OTR	1	16,124	0	0
Alberton Acquisition Corporation	ORD SHS	G35006108	7,499	765,193	SH		SOLE		765,193	0	0
Alberton Acquisition Corporation	ORD SHS	G35006108	635	64,821	SH		OTR	1	64,821	0	0
Altaba Inc.	COM	021346101	312,503	5,393,567	SH		SOLE		5,393,567	0	0
Altaba Inc.	COM	021346101	5,103	88,074	SH		OTR	1	88,074	0	0
Antero Midstream Partners LP	UNT LTD PARTN	03673L103	1,030	48,171	SH		SOLE		48,171	0	0
Apollo Senior Floating Rate Fund Inc.	COM	037636107	1,120	77,852	SH		SOLE		77,852	0	0
Apollo Tactical Income Fund Inc.	COM	037638103	779	56,605	SH		SOLE		56,605	0	0
Ares Dynamic Credit Allocation Fund	COM	04014F102	212	15,388	SH		SOLE		15,388	0	0
Aspen Insurance Holdings Limited	SHS	G05384105	82,513	1,965,074	SH		SOLE		1,965,074	0	0
Aspen Insurance Holdings Limited	SHS	G05384105	1,514	36,063	SH		OTR	1	36,063	0	0
Big Rock Partners Acquisition Corp.	COM	089482103	2,244	219,998	SH		SOLE		219,998	0	0
Big Rock Partners Acquisition Corp.	COM	089482103	253	24,760	SH		OTR	1	24,760	0	0
Big Rock Partners Acquisition Corp.	*W EXP 12/01/202	089482111	42	109,999	SH		SOLE		109,999	0	0
Big Rock Partners Acquisition Corp.	*W EXP 12/01/202	089482111	5	12,380	SH		OTR	1	12,380	0	0
Bison Capital Acquisition Corp.	ORD SHS	G1142P104	2,080	199,998	SH		SOLE		199,998	0	0
Bison Capital Acquisition Corp.	*W EXP 06/20/202	G1142P112	20	99,999	SH		SOLE		99,999	0	0
Black Ridge Acquisition Corp.	COM	09216T107	4,618	460,000	SH		SOLE		460,000	0	0
Black Ridge Acquisition Corp.	*W EXP 07/10/202	09216T115	147	460,000	SH		SOLE		460,000	0	0
Blackrock Debt Strategies Fund, Inc.	COM NEW	09255R202	2,860	292,739	SH		SOLE		292,739	0	0
Blackrock Fltg Rate OME Strategies Fund	COM	09255X100	790	66,381	SH		SOLE		66,381	0	0
Brookfield Property REIT Inc.	CL A	11282X103	10,473	650,507	SH		SOLE		650,507	0	0
CBS CORP NEW	CL B	124857202	3,472	79,406	SH		SOLE		79,406	0	0
CBS CORP NEW	CL B	124857202	713	16,300	SH		OTR	1	16,300	0	0
CBS CORP NEW	CL B	124857202	800	18,300	SH	Put	SOLE		18,300	0	0
CBS CORP NEW	CL B	124857202	105	2,400	SH	Put	OTR	1	2,400	0	0
CBS CORP NEW	CL B	124857202	1,880	43,000	SH	Put	SOLE		43,000	0	0
CBS CORP NEW	CL B	124857202	184	4,200	SH	Put	OTR	1	4,200	0	0
CBS CORP NEW	CL B	124857202	796	18,200	SH	Put	SOLE		18,200	0	0
CBS CORP NEW	CL B	124857202	109	2,500	SH	Put	OTR	1	2,500	0	0
CF Finance Acquisition Corp.	UNIT 04/30/2025	12528N206	8,846	884,559	SH		SOLE		884,559	0	0
CF Finance Acquisition Corp.	UNIT 04/30/2025	12528N206	7	700	SH		OTR	1	700	0	0
CM Seven Star Acquisition Corp.	SHS	G2345N102	12,639	1,251,393	SH		SOLE		1,251,393	0	0
CM Seven Star Acquisition Corp.	SHS	G2345N102	747	73,960	SH		OTR	1	73,960	0	0
CM Seven Star Acquisition Corp. warrants	*W EXP 08/21/202	G2345N110	59	237,499	SH		SOLE		237,499	0	0
Caesars Entertainment Corp	NOTE 5.000%10/0	127686AA1	1,206	969,954	PRN		SOLE		969,954	0	0
Caesars Entertainment Corp sr. unsecured	NOTE 5.000%10/0	127686AA1	136	109,345	PRN		OTR	1	109,345	0	0
ChaSerg Technology Acquisition Corp.	UNIT 09/30/2023	16166A202	5,296	530,162	SH		SOLE		530,162	0	0
Churchill Capital Corp	UNIT 99/99/9999	17142R202	2,789	275,858	SH		SOLE		275,858	0	0
Cigna Corporation	COM	125523100	0	1	SH		SOLE		1	0	0
Collier Creek Holdings	UNIT 99/99/9999	G22707122	3,313	330,000	SH		SOLE		330,000	0	0
Constellation Alpha Capital Corp.	SHS	G2379F108	13,636	1,335,517	SH		SOLE		1,335,517	0	0
Constellation Alpha Capital Corp.	SHS	G2379F108	527	51,642	SH		OTR	1	51,642	0	0
Dell Technologies Inc.	CL C	24703L202	26,424	540,702	SH		SOLE		540,702	0	0
Dell Technologies Inc.	CL C	24703L202	568	11,616	SH		OTR	1	11,616	0	0
Discovery Inc.	COM SER C	25470F302	5,064	219,392	SH		SOLE		219,392	0	0
Discovery Inc.	COM SER C	25470F302	132	5,717	SH		OTR	1	5,717	0	0
Disney Walt Co.	COM DISNEY	254687106	91,327	832,900	SH	Put	SOLE		832,900	0	0
Disney Walt Co.	COM DISNEY	254687106	1,667	15,200	SH	Put	OTR	1	15,200	0	0
Dominion Energy Midstream Partners, LP	COM UT REP LTD	257454108	86,238	4,780,375	SH		SOLE		4,780,375	0	0
DowDuPont Inc.	COM	26078J100	29,553	552,600	SH	Put	SOLE		552,600	0	0
DowDuPont Inc.	COM	26078J100	626	11,700	SH	Put	OTR	1	11,700	0	0
DowDuPont Inc.	COM	26078J100	34,867	651,959	SH		SOLE		651,959	0	0
DowDuPont Inc.	COM	26078J100	706	13,200	SH		OTR	1	13,200	0	0
DowDuPont Inc.	COM	26078J100	5,680	106,200	SH	Put	SOLE		106,200	0	0
DowDuPont Inc.	COM	26078J100	80	1,500	SH	Put	OTR	1	1,500	0	0
Dun & Bradstreet Corporation DEL NEW	COM	26483E100	44,805	313,894	SH		SOLE		313,894	0	0
Dun & Bradstreet Corporation DEL NEW	COM	26483E100	963	6,746	SH		OTR	1	6,746	0	0
Eaton Vance Floating-Rate Income Trust	COM	278279104	1,863	147,131	SH		SOLE		147,131	0	0
EnLink Midstream Partners, LP	COM UNIT REP LTD	29336U107	777	70,527	SH		SOLE		70,527	0	0
Encana Corporation	COM	292505104	13,106	2,267,462	SH		SOLE		2,267,462	0	0
Encana Corporation	COM	292505104	550	95,154	SH		OTR	1	95,154	0	0
Esterline Technologies Corporation	COM	297425100	62,584	515,309	SH		SOLE		515,309	0	0
Esterline Technologies Corporation	COM	297425100	1,318	10,853	SH		OTR	1	10,853	0	0
Federal Steet Acquisition Corp.	*W EXP 07/24/202	31421V115	66	88,466	SH		SOLE		88,466	0	0
Federal Steet Acquisition Corp.	*W EXP 07/24/202	31421V115	3	4,033	SH		OTR	1	4,033	0	0
Federal Street Acquisition Corp.	CL A	31421V107	12,176	1,190,215	SH		SOLE		1,190,215	0	0
Federal Street Acquisition Corp.	CL A	31421V107	612	59,785	SH		OTR	1	59,785	0	0
FinTech Acquisition Corp. III	UNIT 12/01/2023	31811A309	5,685	568,514	SH		SOLE		568,514	0	0
First Trust Exchange Traded Fund	NAT GAS ETF	33733E807	2,711	184,400	SH	Put	SOLE		184,400	0	0
First Trust Exchange Traded Fund	NAT GAS ETF	33733E807	373	25,400	SH	Put	OTR	1	25,400	0	0
First Trust Exchange Traded Fund	NAT GAS ETF	33733E807	8,463	575,700	SH	Put	SOLE		575,700	0	0
First Trust Exchange Traded Fund	NAT GAS ETF	33733E807	370	25,200	SH	Put	OTR	1	25,200	0	0
First Trust Senior Fltg. Rate Income Fd.I	COM	33733U108	863	77,069	SH		SOLE		77,069	0	0
Forum Merger II Corporation	CL A	34986F103	3,263	338,100	SH		SOLE		338,100	0	0
Genworth Financial, Inc.	COM CL A	37247D106	1,712	367,341	SH		SOLE		367,341	0	0
Genworth Financial, Inc.	COM CL A	37247D106	25	5,461	SH		OTR	1	5,461	0	0
GigCapital, Inc.	COM	37518N106	8,959	886,996	SH		SOLE		886,996	0	0
GigCapital, Inc.	COM	37518N106	666	65,920	SH		OTR	1	65,920	0	0
GigCapital, Inc.	*W EXP 06/08/202	37518N122	110	440,247	SH		SOLE		440,247	0	0
GigCapital, Inc.	*W EXP 06/08/202	37518N122	12	49,440	SH		OTR	1	49,440	0	0
Gordon Pointe Acquisition Corp.	COM CLASS A	382788107	4,558	454,711	SH		SOLE		454,711	0	0
Gordon Pointe Acquisition Corp.	COM CLASS A	382788107	38	3,785	SH		OTR	1	3,785	0	0
Graf Industrial Corp.	UNIT 12/31/2025	384278206	8,941	894,067	SH		SOLE		894,067	0	0
Graf Industrial Corp.	UNIT 12/31/2025	384278206	4	400	SH		OTR	1	400	0	0
Haymaker Acquisition Corp.	COM CLASS A	420870107	3,759	375,527	SH		SOLE		375,527	0	0
Huntsman Corporation	COM	447011107	6,370	330,200	SH		SOLE		330,200	0	0
Huntsman Corporation	COM	447011107	1,013	52,500	SH		OTR	1	52,500	0	0
Huntsman Corporation	COM	447011107	6,373	330,400	SH	Put	SOLE		330,400	0	0
Huntsman Corporation	COM	447011107	1,015	52,600	SH	Put	OTR	1	52,600	0	0
Invesco Dynamic Credit Opportunities Fund	COM	46132R104	1,693	164,848	SH		SOLE		164,848	0	0
Invesco Senior Income Trust	COM	46131H107	1,866	477,119	SH		SOLE		477,119	0	0
L3 Technologies, Inc.	COM	502413107	32,969	189,847	SH		SOLE		189,847	0	0
L3 Technologies, Inc.	COM	502413107	519	2,989	SH		OTR	1	2,989	0	0
Legacy Acquisition Corp.	COM CL A	524643103	7,346	748,107	SH		SOLE		748,107	0	0
Legacy Acquisition Corp.	COM CL A	524643103	786	80,000	SH		OTR	1	80,000	0	0
Legacy Acquisition Corp.	*W EXP 11/30/202	524643111	165	500,000	SH		SOLE		500,000	0	0
Legacy Acquisition Corp.	*W EXP 11/30/202	524643111	26	80,000	SH		OTR	1	80,000	0	0
Leisure Acquisition Corp.	COM	52539T107	4,978	506,900	SH		SOLE		506,900	0	0
Liberty Media Corp Delaware	COM A SIRIUSXM	531229409	219	5,959	SH		OTR	1	5,959	0	0
Madison Square Garden CO NEW	CL A	55825T103	4,551	17,000	SH		SOLE		17,000	0	0
Madison Square Garden CO NEW	CL A	55825T103	616	2,300	SH		OTR	1	2,300	0	0
Madison Square Garden CO NEW	CL A	55825T103	4,551	17,000	SH	Put	SOLE		17,000	0	0
Madison Square Garden CO NEW	CL A	55825T103	616	2,300	SH	Put	OTR	1	2,300	0	0
Megalith Financial Acquisition Corp.	CL A COM	58518F109	3,312	341,464	SH		SOLE		341,464	0	0
Megalith Financial Acquisition Corp.	CL A COM	58518F109	177	18,285	SH		OTR	1	18,285	0	0
Modern Media Acquisition Corp.	COM	60765P103	12,683	1,243,384	SH		SOLE		1,243,384	0	0
Modern Media Acquisition Corp.	COM	60765P103	378	37,012	SH		OTR	1	37,012	0	0
Modern Media Acquisition Corp.	*W EXP 05/17/202	60765P111	129	480,654	SH		SOLE		480,654	0	0
Modern Media Acquisition Corp.	*W EXP 05/17/202	60765P111	3	9,544	SH		OTR	1	9,544	0	0
Mudrick Capital Acquisition	COM CLASS A	624745105	4,921	498,050	SH		SOLE		498,050	0	0
Mudrick Capital Acquisition	*W EXP 02/12/202	624745113	224	498,050	SH		SOLE		498,050	0	0
Nevsun Resources Ltd.	COM	64156L101	5,719	1,303,377	SH		SOLE		1,303,377	0	0
Nevsun Resources Ltd.	COM	64156L101	103	23,561	SH		OTR	1	23,561	0	0
Newfield Exploration Company	COM	651290108	13,992	954,435	SH		SOLE		954,435	0	0
Newfield Exploration Company	COM	651290108	402	27,400	SH		OTR	1	27,400	0	0
Nuveen Credit Strategies Income Fund	COM SHS	67073D102	38	5,170	SH		SOLE		5,170	0	0
NxStage Medical, Inc.	COM	67072V103	63,389	2,214,858	SH		SOLE		2,214,858	0	0
NxStage Medical, Inc.	COM	67072V103	1,029	35,966	SH		OTR	1	35,966	0	0
Opes Acquisition Corp.	COM	68373P100	3,013	303,381	SH		SOLE		303,381	0	0
Orbotech, Ltd.	ORD	M75253100	32,248	570,358	SH		SOLE		570,358	0	0
Orbotech, Ltd.	ORD	M75253100	613	10,846	SH		OTR	1	10,846	0	0
Pandora Media Inc.	COM	698354107	41,514	5,131,484	SH		SOLE		5,131,484	0	0
Pandora Media Inc.	COM	698354107	667	82,479	SH		OTR	1	82,479	0	0
Pensare Acquisition Corp.	COM	70957E105	13,937	1,375,796	SH		SOLE		1,375,796	0	0
Pensare Acquisition Corp.	*W EXP 07/27/202	70957E113	103	514,999	SH		SOLE		514,999	0	0
Pure Acquisition Corp.	CL A	74621Q106	8,700	884,114	SH		SOLE		884,114	0	0
Pure Acquisition Corp.	*W EXP 04/17/202	74621Q114	502	439,995	SH		SOLE		439,995	0	0
Randgold Resources Limited	ADR	752344309	17,005	198,551	SH		SOLE		198,551	0	0
Red Hat, Inc.	COM	756577102	171,548	976,702	SH		SOLE		976,702	0	0
Red Hat, Inc.	COM	756577102	3,172	18,062	SH		OTR	1	18,062	0	0
Reebonz Holding Limited	ORD SHS	G7457R106	31	14,999	SH		SOLE		14,999	0	0
Reebonz Holding Limited	*W EXP 12/19/202	G7457R114	14	75,000	SH		SOLE		75,000	0	0
Regalwood Global Energy Ltd.	COM CL A	G74760102	3,317	337,752	SH		SOLE		337,752	0	0
Regalwood Global Energy Ltd.	*W EXP 12/05/202	G74760128	120	112,584	SH		SOLE		112,584	0	0
SCANA Corporation NEW	COM	80589M102	45,198	945,955	SH		SOLE		945,955	0	0
SCANA Corporation NEW	COM	80589M102	777	16,266	SH		OTR	1	16,266	0	0
SPDR Series Trust	S&P OILGAS EXP	78464A730	18,083	681,600	SH	Put	SOLE		681,600	0	0
SPDR Series Trust	S&P OILGAS EXP	78464A730	271	10,200	SH	Put	OTR	1	10,200	0	0
SPDR S&P 500 ETF TR	TR UNIT	78462F103	66,454	265,900	SH	Put	SOLE		265,900	0	0
SPDR S&P 500 ETF TR	TR UNIT	78462F103	1,025	4,100	SH	Put	OTR	1	4,100	0	0
SPDR S&P 500 ETF TR	TR UNIT	78462F103	24,567	98,300	SH	Put	SOLE		98,300	0	0
SPDR S&P 500 ETF TR	TR UNIT	78462F103	425	1,700	SH	Put	OTR	1	1,700	0	0
SendGrid, Inc.	COM	816883102	3,797	87,959	SH		SOLE		87,959	0	0
SendGrid, Inc.	COM	816883102	62	1,436	SH		OTR	1	1,436	0	0
Shire PLC	SPONSORED ADR	82481R106	22,729	130,598	SH		SOLE		130,598	0	0
Shire PLC	SPONSORED ADR	82481R106	406	2,333	SH		OTR	1	2,333	0	0
TKK Symphony Acquisition Corporation	ORD SHS	G88950103	3,909	405,113	SH		SOLE		405,113	0	0
Select Sector SPDR Tr	TECHNOLOGY	81369Y803	24,873	401,300	SH	Put	SOLE		401,300	0	0
Select Sector SPDR Tr	TECHNOLOGY	81369Y803	533	8,600	SH	Put	OTR	1	8,600	0	0
Select Sector SPDR Tr	TECHNOLOGY	81369Y803	14,739	237,800	SH	Put	SOLE		237,800	0	0
Select Sector SPDR Tr	TECHNOLOGY	81369Y803	229	3,700	SH	Put	OTR	1	3,700	0	0
The Blackstone Group L.P.	COM UNIT LTD	09253U108	4,841	162,400	SH	Put	SOLE		162,400	0	0
The Blackstone Group L.P.	COM UNIT LTD	09253U108	715	24,000	SH	Put	OTR	1	24,000	0	0
The Blackstone Group L.P.	COM UNIT LTD	09253U108	2,376	79,700	SH	Put	SOLE		79,700	0	0
The Blackstone Group L.P.	COM UNIT LTD	09253U108	283	9,500	SH	Put	OTR	1	9,500	0	0
The Blackstone Group L.P.	COM UNIT LTD	09253U108	7,220	242,200	SH		SOLE		242,200	0	0
The Blackstone Group L.P.	COM UNIT LTD	09253U108	996	33,400	SH		OTR	1	33,400	0	0
Thunder Bridge Acquisition, Ltd.	SHS CLASS A	G8857R100	6,163	622,548	SH		SOLE		622,548	0	0
Thunder Bridge Acquisition, Ltd.	SHS CLASS A	G8857R100	767	77,452	SH		OTR	1	77,452	0	0
Thunder Bridge Acquisition, Ltd.	UNIT 01/01/2025	G8857R118	3,757	369,089	SH		SOLE		369,089	0	0
Tiberius Acquisition Corporation	COM	88633A107	4,410	450,000	SH		SOLE		450,000	0	0
Tiberius Acquisition Corporation	*W EXP 02/28/202	88633A115	175	450,000	SH		SOLE		450,000	0	0
Travelport Worldwide Limited	SHS	G9019D104	5,343	342,043	SH		SOLE		342,043	0	0
Travelport Worldwide Limited	SHS	G9019D104	85	5,457	SH		OTR	1	5,457	0	0
Trident Acquisitions Corp.	COM	89615T106	12,429	1,246,591	SH		SOLE		1,246,591	0	0
Trident Acquisitions Corp.	COM	89615T106	563	56,511	SH		OTR	1	56,511	0	0
Trinity Merger Corp.	COM CL A	89653L106	18,260	1,827,819	SH		SOLE		1,827,819	0	0
Trinity Merger Corp.	COM CL A	89653L106	887	88,836	SH		OTR	1	88,836	0	0
Trinity Merger Corp.	*W EXP 05/11/202	89653L114	158	400,000	SH		SOLE		400,000	0	0
Trinity Merger Corp.	*W EXP 05/11/202	89653L114	20	50,727	SH		OTR	1	50,727	0	0
Twelve Seas Investment Company	SHS	G9145A107	4,664	475,000	SH		SOLE		475,000	0	0
Twenty-First Century Fox, Inc.	CL A	90130A101	17,510	363,875	SH		SOLE		363,875	0	0
Twenty-First Century Fox, Inc.	CL A	90130A101	156	3,235	SH		OTR	1	3,235	0	0
Twenty-First Century Fox, Inc.	CL B	90130A200	225,844	4,726,741	SH		SOLE		4,726,741	0	0
Twenty-First Century Fox, Inc.	CL B	90130A200	4,907	102,708	SH		OTR	1	102,708	0	0
USG Corporation	COM NEW	903293405	48,459	1,135,944	SH		SOLE		1,135,944	0	0
Union Acquisition Corp.	SHS	G9366W101	8,069	801,312	SH		SOLE		801,312	0	0
Union Acquisition Corp.	SHS	G9366W101	759	75,413	SH		OTR	1	75,413	0	0
United Technologies Corporation	COM	913017109	6,822	64,073	SH		SOLE		64,073	0	0
United Technologies Corporation	COM	913017109	1,086	10,200	SH		OTR	1	10,200	0	0
United Technologies Corporation	COM	913017109	4,887	45,900	SH	Put	SOLE		45,900	0	0
United Technologies Corporation	COM	913017109	671	6,300	SH	Put	OTR	1	6,300	0	0
Valero Energy Partners LP	COM UNT REP LP	91914J102	64,654	1,533,178	SH		SOLE		1,533,178	0	0
VectoIQ Acquisition Corp.	COM	92243N103	8,145	839,699	SH		SOLE		839,699	0	0
VectoIQ Acquisition Corp.	COM	92243N103	763	78,705	SH		OTR	1	78,705	0	0
Voya (ING) Prime Rate Trust	SH BEN INT	92913A100	2,051	456,729	SH		SOLE		456,729	0	0
Western Asset High Income Opportunity Fun	COM	95766K109	3,101	707,954	SH		SOLE		707,954	0	0
athenahealth, Inc.	COM	04685W103	18,831	142,738	SH		SOLE		142,738	0	0
athenahealth, Inc.	COM	04685W103	381	2,885	SH		OTR	1	2,885	0	0