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	668	64,857	SH		SOLE		64,857	0	0
ACAMAR PARTNERS ACQSITION CO	CL A	004285102	5,826	570,101	SH		SOLE		570,101	0	0
AIMMUNE THERAPEUTICS INC	COM	00900T107	1,371	39,789	SH		SOLE		39,789	0	0
AIMMUNE THERAPEUTICS INC	COM	00900T107	1,354	39,300	SH	Put	SOLE		39,300	0	0
ALBERTON ACQUISITION CORP	*W EXP 04/26/202	G35006124	36	173,509	SH		SOLE		173,509	0	0
ALBERTON ACQUISITION CORP	ORD SHS	G35006108	900	82,774	SH		SOLE		82,774	0	0
ALBERTON ACQUISITION CORP	RIGHT 10/04/2020	G35006132	27	118,055	SH		SOLE		118,055	0	0
ALUSSA ENERGY ACQUISITION CO	SHS CL A	G0232J101	7,374	742,557	SH		SOLE		742,557	0	0
AMCI ACQUISITION CORP	CLASS A	00165R101	7,554	730,591	SH		SOLE		730,591	0	0
ANDINA ACQUISITION CORP III	RIGHT 10/01/2025	G04415132	23	71,836	SH		SOLE		71,836	0	0
ANDINA ACQUISITION CORP III	SHS	G04415108	2,608	254,674	SH		SOLE		254,674	0	0
ARCLIGHT CLEAN TRANSITION CO	UNIT 09/21/2025	G04561117	1,247	124,237	SH		SOLE		124,237	0	0
ARTIUS ACQUISITION INC	COM CL A	04316G105	988	99,390	SH		SOLE		99,390	0	0
ASCENDANT DIGITAL ACQUISITIO	COM CL A	G05155109	591	59,482	SH		SOLE		59,482	0	0
ASPIRATIONAL CONSUMER LIFEST	UNIT 99/99/9999	G05436129	1,988	198,780	SH		SOLE		198,780	0	0
B RILEY PRIN MERGER CORP II	CL A	05600U106	1,927	192,481	SH		SOLE		192,481	0	0
BOWX ACQUISITION CORP	UNIT 08/03/2025	103085205	1,275	124,236	SH		SOLE		124,236	0	0
BROADSTONE ACQUISITION CORP	UNIT 99/99/9999	G1739V118	495	49,696	SH		SOLE		49,696	0	0
BURGUNDY TECHNOLOGY ACQU COR	UNIT 08/26/2025	G1702T132	1,485	149,086	SH		SOLE		149,086	0	0
CC NEUBERGER PRIN HLDGS II	*W EXP 07/29/202	G3166T111	225	137,059	SH		SOLE		137,059	0	0
CC NEUBERGER PRIN HLDGS II	SHS CL A	G3166T103	5,510	548,236	SH		SOLE		548,236	0	0
CC NEUBERGER PRINCIPAL HLDNG	COM	G1992Y114	517	49,692	SH		SOLE		49,692	0	0
CAPSTAR SPL PURP ACQUISITION	COM CL A	14070Y101	2,031	206,650	SH		SOLE		206,650	0	0
CHARDAN HEALTHCR ACQSTN 2 CO	COM	15957T107	730	74,542	SH		SOLE		74,542	0	0
CHP MERGER CORP	COM CL A	12558Y106	4,049	397,389	SH		SOLE		397,389	0	0
CHURCHILL CAP CORP II	CL A	17143G106	2,397	227,246	SH		SOLE		227,246	0	0
CHURCHILL CAPITAL CORP IV	*W EXP 08/04/202	171439110	178	120,417	SH		SOLE		120,417	0	0
CHURCHILL CAPITAL CORP IV	CL A	171439102	10,797	1,104,005	SH		SOLE		1,104,005	0	0
CLIMATE CHANGE CRISIS REAL I	UNIT 99/99/9999	18716C209	250	24,848	SH		SOLE		24,848	0	0
COHN ROBBINS HOLDINGS CORP	UNIT 08/11/2025	G23726121	2,006	198,779	SH		SOLE		198,779	0	0
CONYERS PK II ACQUISITION CO	COM CL A	212896104	610	60,087	SH		SOLE		60,087	0	0
CRESCENT ACQUISITION CORP	COM CL A	22564L105	11,919	1,187,179	SH		SOLE		1,187,179	0	0
D8 HOLDINGS CORP	SHS CL A	G2614K110	3,399	347,864	SH		SOLE		347,864	0	0
DEERFIELD HEALTHCARE TECH AC	UNIT 07/16/2025	244413209	106	9,940	SH		SOLE		9,940	0	0
DFP HEALTHCARE ACQUISITNS CO	UNIT 03/31/2025	23343Q209	260	24,484	SH		SOLE		24,484	0	0
DISCOVERY INC	COM SER C	25470F302	2,219	113,206	SH		SOLE		113,206	0	0
DMY TECHNOLOGY GROUP INC II	UNIT 99/99/9999	233277201	712	69,573	SH		SOLE		69,573	0	0
E MERGE TECHNOLOGY ACQUISITI	*W EXP 07/30/202	26873Y112	47	49,448	SH		SOLE		49,448	0	0
E MERGE TECHNOLOGY ACQUISITI	COM CL A	26873Y104	4,376	447,258	SH		SOLE		447,258	0	0
E TRADE FINANCIAL CORP	COM NEW	269246401	2,036	40,670	SH		SOLE		40,670	0	0
EAST RES ACQUISITION CO	COM CL A	274681105	3,616	371,600	SH		SOLE		371,600	0	0
EAST STONE ACQUISITION CORP	*W EXP 12/31/202	G2911D116	3	13,791	SH		SOLE		13,791	0	0
EAST STONE ACQUISITION CORP	SHS	G2911D108	4,308	437,351	SH		SOLE		437,351	0	0
EQUITY DISTR ACQUISITION COR	UNIT 99/99/9999	29465E205	1,024	99,391	SH		SOLE		99,391	0	0
FALCON CAPITAL ACQUISITN COR	UNIT 08/20/2027	30606L207	307	29,817	SH		SOLE		29,817	0	0
FG NEW AMER ACQUISITION CORP	UNIT 08/31/2027	30259V205	2,985	298,170	SH		SOLE		298,170	0	0
FINSERV ACQUISITION CORP	CL A	318085107	3,498	348,793	SH		SOLE		348,793	0	0
FINTECH ACQUISITION CORP III	COM CL A	31811A101	3,624	351,457	SH		SOLE		351,457	0	0
FOLEY TRASIMENE ACQUISITION	UNIT 99/99/9999	344328208	1,014	99,390	SH		SOLE		99,390	0	0
FOLEY TRASIMENE ACQUISTN COR	COM CL A	34431F104	1,030	99,390	SH		SOLE		99,390	0	0
FORTRESS VALUE ACQUISITION I	UNIT 08/10/2027	349642207	512	49,695	SH		SOLE		49,695	0	0
FORUM MERGER III CORP	COM CL A	349885103	1,976	198,780	SH		SOLE		198,780	0	0
FOX CORP	CL A COM	35137L105	5,843	209,946	SH		SOLE		209,946	0	0
FTAC OLYMPUS ACQUISITION COR	UNIT 08/24/2025	G37288118	994	99,390	SH		SOLE		99,390	0	0
FUSION ACQUISITION CORP	CL A	36118H105	2,931	298,170	SH		SOLE		298,170	0	0
GALILEO ACQUISITION CORP	SHS	G3770A102	5,277	532,986	SH		SOLE		532,986	0	0
GIGCAPITAL2 INC	COM	375036100	8,665	852,881	SH		SOLE		852,881	0	0
GO ACQUISITION CORP	*W EXP 08/31/202	362019119	64	57,977	SH		SOLE		57,977	0	0
GO ACQUISITION CORP	COM	362019101	3,178	323,016	SH		SOLE		323,016	0	0
GORES HLDGS IV INC	COM CL A	382865103	223	21,658	SH		SOLE		21,658	0	0
GORES HLDGS V INC	UNIT 99/99/9999	382864205	1,029	99,390	SH		SOLE		99,390	0	0
GS ACQUISITION HLDGS CORP II	COM CL A	36258Q105	535	49,692	SH		SOLE		49,692	0	0
GX ACQUISITION CORP	COM CL A	36251A107	7,028	669,349	SH		SOLE		669,349	0	0
HAYMAKER ACQUISITION CORP II	COM CL A	42087L101	3,721	372,149	SH		SOLE		372,149	0	0
HEALTH SCIENCES ACQ CORP 2	ORD SHS	G4411D109	109	9,939	SH		SOLE		9,939	0	0
HIGHCAPE CAP ACQUISITION COR	UNIT 09/30/2027	42984L204	503	49,694	SH		SOLE		49,694	0	0
HOLICITY INC	UNIT 08/05/2025	435063201	1,029	99,390	SH		SOLE		99,390	0	0
HORIZON ACQUISITION CORP	UNIT 99/99/9999	G46049121	1,749	168,118	SH		SOLE		168,118	0	0
HPX CORP	*W EXP 07/14/202	G32219126	28	30,761	SH		SOLE		30,761	0	0
HPX CORP	SHS CL A	G32219100	978	99,390	SH		SOLE		99,390	0	0
HUDSON EXECUTIVE INVT CORP	COM CL A	443761101	2,964	301,550	SH		SOLE		301,550	0	0
IMMUNOMEDICS INC	COM	452907108	2,755	32,400	SH		SOLE		32,400	0	0
IMMUNOMEDICS INC	COM	452907108	2,500	29,400	SH	Put	SOLE		29,400	0	0
IMMUNOMEDICS INC	COM	452907108	434	5,100	SH	Call	SOLE		5,100	0	0
INDUSTRIAL TECH ACQU INC	UNIT 08/31/2025	456357201	2,485	248,476	SH		SOLE		248,476	0	0
INTERPRIVATE ACQUISITION COR	COM	46064A103	7,737	773,709	SH		SOLE		773,709	0	0
JAWS ACQUISITION CORP	SHS	G50744104	1,293	124,237	SH		SOLE		124,237	0	0
KBL MERGER CORP IV	*W EXP 01/15/202	48242A112	29	124,899	SH		SOLE		124,899	0	0
LEGACY ACQUISITION CORP	COM CL A	524643103	5,089	490,739	SH		SOLE		490,739	0	0
LF CAP ACQUISITION CORP	CL A	50200K108	5,162	489,787	SH		SOLE		489,787	0	0
LGL SYS ACQUISITION CORP	COM CL A	50201G106	4,670	466,075	SH		SOLE		466,075	0	0
LIBERTY GLOBAL PLC	SHS CL A	G5480U104	1,004	47,777	SH		SOLE		47,777	0	0
LIBERTY LATIN AMERICA LTD	COM CL C	G9001E128	437	53,645	SH		SOLE		53,645	0	0
LIONHEART ACQUISITION CORP I	UNIT 08/13/2025	53625R203	1,980	198,780	SH		SOLE		198,780	0	0
LIV CAP ACQUISITION CORP	*W EXP 12/13/202	G5510C116	19	39,534	SH		SOLE		39,534	0	0
LIV CAP ACQUISITION CORP	CL A	G5510C108	968	98,300	SH		SOLE		98,300	0	0
LIVE OAK ACQUISITION CORP	COM CL A	53804F103	1,503	149,104	SH		SOLE		149,104	0	0
LONGVIEW ACQUISITION CORP	*W EXP 05/27/202	543195119	32	33,130	SH		SOLE		33,130	0	0
LONGVIEW ACQUISITION CORP	COM CL A	543195101	9,761	993,900	SH		SOLE		993,900	0	0
MOMENTA PHARMACEUTICALS INC	COM	60877T100	2,467	47,010	SH		SOLE		47,010	0	0
MOMENTA PHARMACEUTICALS INC	COM	60877T100	1,973	37,600	SH	Put	SOLE		37,600	0	0
MONOCLE ACQUISITION CORP	COM	609754106	9,392	917,205	SH		SOLE		917,205	0	0
NAVSIGHT HLDGS INC	UNIT 99/99/9999	639358209	1,500	149,086	SH		SOLE		149,086	0	0
NETFIN ACQUISITION CORP	SHS CL A	G6455A107	1,390	134,004	SH		SOLE		134,004	0	0
NEW PROVIDENCE ACQUISITION	COM CL A	64822P106	8,911	884,952	SH		SOLE		884,952	0	0
NEWBORN ACQUISITION CORP	SHS	G6463T106	1,095	110,481	SH		SOLE		110,481	0	0
NEWHOLD INVESTMENT CORP	*W EXP 03/10/202	651448110	98	149,085	SH		SOLE		149,085	0	0
NEWHOLD INVESTMENT CORP	COM CL A	651448102	2,907	298,170	SH		SOLE		298,170	0	0
NORTH MOUNTAIN MERGER CORP	UNIT 09/16/2025	661204206	304	29,818	SH		SOLE		29,818	0	0
ONE	UNIT 99/99/9999	G7000X113	108	9,941	SH		SOLE		9,941	0	0
OSPREY TECHNLGY AQUISTION CO	COM CL A	68839R104	1,383	135,698	SH		SOLE		135,698	0	0
PANACEA ACQUISITION CORP	UNIT 99/99/9999	698102209	124	10,318	SH		SOLE		10,318	0	0
PERIDOT ACQUISITION CORP	UNIT 99/99/9999	G7008A123	1,283	128,512	SH		SOLE		128,512	0	0
PIVOTAL INVT CORP II	COM CL A	72582K100	1,638	142,067	SH		SOLE		142,067	0	0
PRIME IMPACT ACQUISITION I	UNIT 10/01/2030	G61074111	498	49,696	SH		SOLE		49,696	0	0
PROPERTY SOLUTIONS ACQUISITI	COM	74348Q108	5,982	609,821	SH		SOLE		609,821	0	0
PTK ACQUISITION CORP	COM	69375F108	4,998	512,057	SH		SOLE		512,057	0	0
REDBALL ACQUISITION CORP	UNIT 99/99/9999	G7417R121	2,651	250,808	SH		SOLE		250,808	0	0
REINVENT TECHNOLOGY PARTNERS	UNIT 99/99/9999	G7483N111	1,028	89,452	SH		SOLE		89,452	0	0
REPLAY ACQUISITION CORP	COM	G75130107	8,095	795,218	SH		SOLE		795,218	0	0
RMG ACQUISITION CORP	CL A	749641106	2,205	206,285	SH		SOLE		206,285	0	0
SANDBRIDGE ACQUISITION CORP	UNIT 99/99/9999	799793203	1,078	108,040	SH		SOLE		108,040	0	0
SC HEALTH CORP	COM CL A	G78516203	8,518	845,071	SH		SOLE		845,071	0	0
SCHULTZE SPL PURP ACQUSTN CO	COM	80821R109	9,387	919,436	SH		SOLE		919,436	0	0
SOFTWARE ACQUISITION GROUP I	COM CL A	83406B101	6,088	611,232	SH		SOLE		611,232	0	0
SOFTWARE ACQUISITN GRUP INC	UNIT 99/99/9999	83407F200	1,483	149,086	SH		SOLE		149,086	0	0
STARBOARD VALUE ACQUISITN CO	UNIT 09/10/2025	85521J208	3,513	347,864	SH		SOLE		347,864	0	0
SUSTAINABLE OPPORTNTS ACQ CO	ORD SHS A	G8598Y109	6,634	650,390	SH		SOLE		650,390	0	0
TENZING ACQUISITION CORP	ORD SHS	G8708A116	2,045	189,661	SH		SOLE		189,661	0	0
THUNDER BRDG ACQUISTION II L	CL A SHS	G8857S116	3,030	297,080	SH		SOLE		297,080	0	0
TORTOISE ACQUISITION CORP II	UNIT 06/14/2027	G89554110	216	19,880	SH		SOLE		19,880	0	0
TREBIA ACQUISITION CORP	*W EXP 99/99/999	G9027T117	50	33,130	SH		SOLE		33,130	0	0
TREBIA ACQUISITION CORP	COM CL A	G9027T109	1,012	99,390	SH		SOLE		99,390	0	0
TRIDENT ACQUISITIONS CORP	COM	89615T106	1,927	176,384	SH		SOLE		176,384	0	0
TWC TECH HLDGS II CORP	UNIT 09/10/2025	90117G204	503	49,697	SH		SOLE		49,697	0	0
UNION ACQUISITION CORP II	SHS	G9402Q100	6,578	662,437	SH		SOLE		662,437	0	0
VESPER HEALTHCARE ACQSTN COR	UNIT 99/99/9999	92538T203	204	19,878	SH		SOLE		19,878	0	0
VPC IMPACT ACQUISITION HLDNG	UNIT 09/22/2025	G9441E126	994	99,390	SH		SOLE		99,390	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	39,862	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