W.R. Berkley Corporation 4.125% (WRB) 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
Expires:	Oct 31, 2018
Estimated average burden
hours per response:		23.8

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
8I ENTERPRISES ACQUISITION C	SHS	G2956M104	2,593	256,439	SH		SOLE		256,439	0	0
ACAMAR PARTNERS ACQSITION CO	CL A	004285102	3,566	347,865	SH		SOLE		347,865	0	0
ACCEL ENTERTAINMENT INC	*W EXP 11/20/202	00436Q114	932	398,480	SH		SOLE		398,480	0	0
ALBERTON ACQUISITION CORP	*W EXP 04/26/202	G35006124	52	198,484	SH		SOLE		198,484	0	0
ALBERTON ACQUISITION CORP	ORD SHS	G35006108	886	82,774	SH		SOLE		82,774	0	0
ALBERTON ACQUISITION CORP	RIGHT 10/04/2020	G35006132	31	118,055	SH		SOLE		118,055	0	0
ALPHABET INC	CAP STK CL A	02079K305	1,276	900	SH		SOLE		900	0	0
ALUSSA ENERGY ACQUISITION CO	SHS CL A	G0232J101	7,314	742,557	SH		SOLE		742,557	0	0
AMCI ACQUISITION CORP	CLASS A	00165R101	10,949	1,071,363	SH		SOLE		1,071,363	0	0
ANDINA ACQUISITION CORP III	RIGHT 07/31/2020	G04415132	25	98,774	SH		SOLE		98,774	0	0
ANDINA ACQUISITION CORP III	SHS	G04415108	6,741	656,998	SH		SOLE		656,998	0	0
ARYA SCIENCES ACQUISTION CO	UNIT 06/09/2027	G31655114	230	19,878	SH		SOLE		19,878	0	0
CC NEUBERGER PRINCIPAL HLDNG	*W EXP 99/99/999	G1992Y122	18	12,242	SH		SOLE		12,242	0	0
CC NEUBERGER PRINCIPAL HLDNG	COM	G1992Y114	500	49,692	SH		SOLE		49,692	0	0
CF FIN ACQUISITION CORP	COM CL A	12528N107	5,883	537,604	SH		SOLE		537,604	0	0
CHARDAN HEALTHCR ACQSTN 2 CO	*W EXP 03/05/202	15957T115	51	73,907	SH		SOLE		73,907	0	0
CHARDAN HEALTHCR ACQSTN 2 CO	COM	15957T107	740	74,542	SH		SOLE		74,542	0	0
CHP MERGER CORP	COM CL A	12558Y106	3,958	397,389	SH		SOLE		397,389	0	0
CHURCHILL CAP CORP II	CL A	17143G106	3,873	342,778	SH		SOLE		342,778	0	0
CHURCHILL CAP CORP III	COM	17144C104	1,657	153,574	SH		SOLE		153,574	0	0
CHURCHILL CAP CORP III	UNIT 03/01/2027	17144C203	1,124	99,392	SH		SOLE		99,392	0	0
CONYERS PK II ACQUISITION CO	COM CL A	212896104	934	84,481	SH		SOLE		84,481	0	0
CRESCENT ACQUISITION CORP	COM CL A	22564L105	9,164	876,117	SH		SOLE		876,117	0	0
DFP HEALTHCARE ACQUISITNS CO	UNIT 03/31/2025	23343Q209	255	24,848	SH		SOLE		24,848	0	0
DIAMONDPEAK HLDGS COR	COM CL A	25280H100	8,072	783,723	SH		SOLE		783,723	0	0
DISCOVERY INC	COM SER C	25470F302	643	33,397	SH		SOLE		33,397	0	0
DMY TECHNOLOGY GROUP INC	COM	233253103	433	43,173	SH		SOLE		43,173	0	0
EAST STONE ACQUISITION CORP	*W EXP 12/31/202	G2911D116	7	29,425	SH		SOLE		29,425	0	0
EAST STONE ACQUISITION CORP	SHS	G2911D108	3,200	324,557	SH		SOLE		324,557	0	0
FAR PT ACQUISITION CORP	*W EXP 06/01/202	30734W117	12	24,847	SH		SOLE		24,847	0	0
FAR PT ACQUISITION CORP	COM CL A	30734W109	25,644	2,504,312	SH		SOLE		2,504,312	0	0
FINSERV ACQUISITION CORP	CL A	318085107	2,506	251,887	SH		SOLE		251,887	0	0
FINSERV ACQUISITION CORP	UNIT 12/31/2026	318085206	1,018	96,906	SH		SOLE		96,906	0	0
FINTECH ACQUISITION CORP III	COM CL A	31811A101	4,554	408,081	SH		SOLE		408,081	0	0
FOLEY TRASIMENE ACQUISTN COR	UNIT 99/99/9999	34431F203	1,060	99,390	SH		SOLE		99,390	0	0
FORTRESS VALUE ACQUISITION C	*W EXP 05/04/202	34962V114	44	33,130	SH		SOLE		33,130	0	0
FORTRESS VALUE ACQUISITION C	COM CL A	34962V106	991	99,390	SH		SOLE		99,390	0	0
FOX CORP	CL A COM	35137L105	5,847	218,001	SH		SOLE		218,001	0	0
FUSION ACQUISITION CORP	UNIT 99/99/9999	36118H204	3,029	298,170	SH		SOLE		298,170	0	0
GALILEO ACQUISITION CORP	SHS	G3770A102	4,255	429,398	SH		SOLE		429,398	0	0
GIGCAPITAL2 INC	COM	375036100	12,311	1,214,130	SH		SOLE		1,214,130	0	0
GORES HLDGS IV INC	COM CL A	382865103	249	24,560	SH		SOLE		24,560	0	0
GORES METROPOULOS INC	COM CL A	382872109	8,127	760,272	SH		SOLE		760,272	0	0
GS ACQUISITION HLDGS CORP II	UNIT 99/99/9999	36258Q204	522	49,694	SH		SOLE		49,694	0	0
GX ACQUISITION CORP	COM CL A	36251A107	22,711	2,226,526	SH		SOLE		2,226,526	0	0
HAYMAKER ACQUISITION CORP II	COM CL A	42087L101	2,054	198,438	SH		SOLE		198,438	0	0
HEALTHCARE MERGER CORP	COM CL A	42227L102	493	49,250	SH		SOLE		49,250	0	0
HENNESSY CAP ACQUSTION CORP	CL A COM	42589C104	14,380	1,337,675	SH		SOLE		1,337,675	0	0
HUDSON EXECUTIVE INVT CORP	UNIT 06/21/2025	443761200	2,088	203,750	SH		SOLE		203,750	0	0
INTERPRIVATE ACQUISITION COR	COM	46064A103	5,290	533,269	SH		SOLE		533,269	0	0
INTERPRIVATE ACQUISITION COR	UNIT 10/29/2024	46064A202	1,010	99,390	SH		SOLE		99,390	0	0
JAWS ACQUISITION CORP	UNIT 99/99/9999	G50744120	1,037	99,390	SH		SOLE		99,390	0	0
KBL MERGER CORP IV	*W EXP 01/15/202	48242A112	39	124,899	SH		SOLE		124,899	0	0
KENSINGTON CAP ACQUISITION C	UNIT 07/01/2027	490073202	2,739	273,322	SH		SOLE		273,322	0	0
LEGACY ACQUISITION CORP	COM CL A	524643103	4,749	494,737	SH		SOLE		494,737	0	0
LEO HOLDINGS CORP	COM CL A	G5463L105	6,479	623,004	SH		SOLE		623,004	0	0
LF CAP ACQUISITION CORP	CL A	50200K108	12,782	1,194,534	SH		SOLE		1,194,534	0	0
LGL SYS ACQUISITION CORP	COM CL A	50201G106	4,276	431,289	SH		SOLE		431,289	0	0
LIBERTY GLOBAL PLC	SHS CL A	G5480U104	3,226	147,592	SH		SOLE		147,592	0	0
LIBERTY LATIN AMERICA LTD	COM CL C	G9001E128	600	63,509	SH		SOLE		63,509	0	0
LIFESCI ACQUISITION CORP	*W EXP 02/14/202	53228P117	27	31,306	SH		SOLE		31,306	0	0
LIFESCI ACQUISITION CORP	COM	53228P109	443	44,726	SH		SOLE		44,726	0	0
LION GROUP HOLDING LTD	*W EXP 06/17/202	53620U110	3	21,607	SH		SOLE		21,607	0	0
LIV CAP ACQUISITION CORP	*W EXP 12/13/202	G5510C116	30	98,300	SH		SOLE		98,300	0	0
LIV CAP ACQUISITION CORP	CL A	G5510C108	969	98,300	SH		SOLE		98,300	0	0
LOEWS CORP	COM	540424108	492	14,354	SH		SOLE		14,354	0	0
LONGVIEW ACQUISITION CORP	UNIT 99/99/9999	543195200	10,038	993,900	SH		SOLE		993,900	0	0
MONOCLE ACQUISITION CORP	COM	609754106	9,377	913,080	SH		SOLE		913,080	0	0
NETFIN ACQUISITION CORP	SHS CL A	G6455A107	9,315	866,547	SH		SOLE		866,547	0	0
NEW PROVIDENCE ACQUISITION	COM CL A	64822P106	10,425	1,034,275	SH		SOLE		1,034,275	0	0
NEWBORN ACQUISITION CORP	SHS	G6463T106	1,096	110,481	SH		SOLE		110,481	0	0
NOVUS CAP CORP	UNIT 06/30/2027	67012U207	218	20,673	SH		SOLE		20,673	0	0
OAKTREE ACQUISITION CORP	SHS CL A	G67145105	756	74,361	SH		SOLE		74,361	0	0
OSPREY TECHNLGY AQUISTION CO	COM CL A	68839R104	1,364	135,698	SH		SOLE		135,698	0	0
PIVOTAL INVT CORP II	COM CL A	72582K100	9,053	891,873	SH		SOLE		891,873	0	0
PORTOLA PHARMACEUTICALS INC	COM	737010108	990	55,009	SH		SOLE		55,009	0	0
PORTOLA PHARMACEUTICALS INC	COM	737010108	1,446	80,300	SH	Put	SOLE		80,300	0	0
PROPTECH ACQUISITION CORP	COM CL A	74349F101	4,614	454,540	SH		SOLE		454,540	0	0
PURE ACQUISITION CORP	CL A	74621Q106	4,131	393,080	SH		SOLE		393,080	0	0
REPLAY ACQUISITION CORP	COM	G75130107	8,111	795,218	SH		SOLE		795,218	0	0
RMG ACQUISITION CORP	CL A	749641106	9,515	930,079	SH		SOLE		930,079	0	0
ROYAL DUTCH SHELL PLC	SPON ADR B	780259107	604	19,846	SH		SOLE		19,846	0	0
SC HEALTH CORP	COM CL A	G78516203	8,291	820,084	SH		SOLE		820,084	0	0
SCHULTZE SPL PURP ACQUSTN CO	COM	80821R109	1,727	168,782	SH		SOLE		168,782	0	0
SOFTWARE ACQUISITION GROUP I	COM CL A	83406B101	2,094	208,378	SH		SOLE		208,378	0	0
SOUTH MTN MERGER CORP	COM CL A	838884104	1,029	100,980	SH		SOLE		100,980	0	0
SPARTAN ENERGY ACQUISITION C	CL A COM STK	846784106	23,771	2,217,442	SH		SOLE		2,217,442	0	0
SUSTAINABLE OPPORTNTS ACQ CO	ORD SHS A	G8598Y109	5,872	605,380	SH		SOLE		605,380	0	0
SWITCHBACK ENERGY ACQUISTN C	COM CL A	87105M102	7,477	744,233	SH		SOLE		744,233	0	0
T-MOBILE US INC	RIGHT 07/27/2020	872590112	50	294,740	SH		SOLE		294,740	0	0
TENZING ACQUISITION CORP	ORD SHS	G8708A116	2,137	198,761	SH		SOLE		198,761	0	0
THUNDER BRDG ACQUISTION II L	CL A SHS	G8857S116	3,001	297,080	SH		SOLE		297,080	0	0
TREBIA ACQUISITION CORP	UNIT 99/99/9999	G9027T125	1,039	99,390	SH		SOLE		99,390	0	0
TRIDENT ACQUISITIONS CORP	COM	89615T106	2,854	264,230	SH		SOLE		264,230	0	0
TRINE ACQUISITION CORP	COM CL A	89628U108	15,049	1,440,091	SH		SOLE		1,440,091	0	0
UNION ACQUISITION CORP II	SHS	G9402Q100	5,384	538,305	SH		SOLE		538,305	0	0
WR BERKLEY CORP	COM	084423102	261,161	4,558,587	SH		SOLE		4,558,587	0	0
EXXON MOBIL CORP	COM	30231G102	13,803	308,650	SH		SOLE		308,650	0	0
KRAFT HEINZ	COM	500754106	39,863	1,250,000	SH		SOLE		1,250,000	0	0
NUTRIEN LTD	COM	67077M108	14,030	437,080	SH		SOLE		437,080	0	0
VERIZON COMMUNICATIONS INC	COM	92343V104	8,692	157,666	SH		SOLE		157,666	0	0
VISTEON CORP	COM	92839U206	18,278	266,827	SH		SOLE		266,827	0	0