W. R. Berkley (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

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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
ARES ACQUISITION CORP II	SHS CLASS A	G33033104	17,664,218	1,608,763	SH		SOLE		1,608,763	0	0
AA MISSION ACQUISITION CORP	ORD SHS CL A	G1000R101	7,829,429	775,191	SH		SOLE		775,191	0	0
AA MISSION ACQUISITION CORP	*W EXP 08/01/203	G1000R127	17,579	251,130	SH		SOLE		251,130	0	0
APPLE INC	COM	037833100	86,945,824	347,200	SH		SOLE		347,200	0	0
APPLE INC	COM	037833100	86,945,824	347,200	SH	Put	SOLE		347,200	0	0
AIMEI HEALTH TECHNOLOGY CO L	SHS	G01341109	4,749,505	443,879	SH		SOLE		443,879	0	0
AIMFINITY INVESTMENT CORP I	UNIT 04/21/2027	G0135E142	2,088,158	177,263	SH		SOLE		177,263	0	0
AI TRANSN ACQUISITION CORP	ORD SHS	G01490112	2,116,578	196,891	SH		SOLE		196,891	0	0
ALDEL FINL II INC	CL A	G01558108	3,468,500	350,000	SH		SOLE		350,000	0	0
ALDEL FINL II INC	*W EXP 09/26/203	G01558124	22,314	74,380	SH		SOLE		74,380	0	0
CENTURION ACQUISITION CORP	SHS CL A	G20315100	1,506,597	149,168	SH		SOLE		149,168	0	0
ADVANCED MICRO DEVICES INC	COM	007903107	68,959,011	570,900	SH		SOLE		570,900	0	0
ADVANCED MICRO DEVICES INC	COM	007903107	68,959,011	570,900	SH	Put	SOLE		570,900	0	0
AMAZON COM INC	COM	023135106	87,207,525	397,500	SH		SOLE		397,500	0	0
AMAZON COM INC	COM	023135106	87,207,525	397,500	SH	Put	SOLE		397,500	0	0
AGRICULTURE & NAT SOL ACQ CO	SHS CL A	G0131Y100	10,730,252	1,022,903	SH		SOLE		1,022,903	0	0
A SPAC III ACQUISITION CORP	UNIT 02/15/2029	G0544A137	1,272,022	126,318	SH		SOLE		126,318	0	0
ALPHATIME ACQUISITION CORP	ORDINARY SHARES	G0223V105	3,381,812	297,957	SH		SOLE		297,957	0	0
ALPHAVEST ACQUISITION CORP	ORDINARY SHARES	G0283A108	2,145,320	189,015	SH		SOLE		189,015	0	0
BROADCOM INC	COM	11135F101	17,388,000	75,000	SH		SOLE		75,000	0	0
BROADCOM INC	COM	11135F101	17,388,000	75,000	SH	Put	SOLE		75,000	0	0
AMERICAN EXPRESS CO	COM	025816109	29,679,000	100,000	SH		SOLE		100,000	0	0
AMERICAN EXPRESS CO	COM	025816109	29,679,000	100,000	SH	Put	SOLE		100,000	0	0
BLEICHROEDER ACQUISITION COR	SHS CL A	G1169T104	986,000	100,000	SH		SOLE		100,000	0	0
BLEICHROEDER ACQUISITION COR	RIGHT 11/04/2026	G1169T138	8,500	50,000	SH		SOLE		50,000	0	0
BAYVIEW ACQUISITION CORP	ORD SHS	07323B100	3,016,972	282,488	SH		SOLE		282,488	0	0
BOLD EAGLE ACQUISITION CORP	CL A	G2003N105	5,449,395	552,677	SH		SOLE		552,677	0	0
BOLD EAGLE ACQUISITION CORP	RIGHT 10/11/2029	G2003N121	99,265	441,178	SH		SOLE		441,178	0	0
BATTERY FUTURE ACQUISITION C	CL A ORD SHS	G0888J108	3,014,626	270,370	SH		SOLE		270,370	0	0
BLACK HAWK ACQUISITION CORP	USD CL A SHS	G1148A101	4,547,011	438,055	SH		SOLE		438,055	0	0
BOWEN ACQUISITION CORP	SHS	G12729110	4,928,949	451,369	SH		SOLE		451,369	0	0
BROAD CAPITAL ACQUISITION CO	COM	11125B102	867,583	73,712	SH		SOLE		73,712	0	0
BURTECH ACQUISITION CORP	CLASS A COM	123013104	3,069,612	263,260	SH		SOLE		263,260	0	0
BLACK SPADE ACQUISITION II C	CL A	G1153L109	728,932	73,407	SH		SOLE		73,407	0	0
BYNORDIC ACQUISITION CORP	CLASS A COM	124420100	710,769	62,239	SH		SOLE		62,239	0	0
CAYSON ACQUISITION CORP	SHS	G1993W109	2,790,081	277,620	SH		SOLE		277,620	0	0
CAYSON ACQUISITION RIGHTS CORP	RIGHT 99/99/9999	G1993W117	1,944	16,197	SH		SOLE		16,197	0	0
COHEN CIRCLE ACQUISITION COR	SHS CL A	G3730H106	975,104	97,608	SH		SOLE		97,608	0	0
COMPASS DIGITAL ACQUISITN CO	CLASS A ORD	G2476C107	3,038,477	280,044	SH		SOLE		280,044	0	0
CANTOR EQUITY PARTNERS INC	SHS CL A	G4491L104	2,672,608	258,223	SH		SOLE		258,223	0	0
CHARLTON ARIA ACQUISITION CO	ORD SHS CL A	G9877L107	1,465,614	147,150	SH		SOLE		147,150	0	0
CHENGHE ACQUISITION II CO	UNIT 05/30/2031	G20873124	1,514,612	149,370	SH		SOLE		149,370	0	0
CARTICA ACQUISITION CORP	CLASS A ORD SHS	G1995D109	4,027,796	342,727	SH		SOLE		342,727	0	0
CLIMATEROCK	CLASS A ORD	G2311X100	2,635,067	224,261	SH		SOLE		224,261	0	0
SALESFORCE INC	COM	79466L302	74,823,054	223,800	SH		SOLE		223,800	0	0
SALESFORCE INC	COM	79466L302	74,823,054	223,800	SH	Put	SOLE		223,800	0	0
CSLM ACQUISITION CORP	CLASS A ORD SHS	G2365L101	1,174,089	102,006	SH		SOLE		102,006	0	0
LIONHEART HOLDINGS	SHS CL A	G5501C109	3,011,416	298,160	SH		SOLE		298,160	0	0
LIONHEART HOLDINGS EQUITY WARRANT	*W EXP 06/07/203	G5501C117	10,888	98,980	SH		SOLE		98,980	0	0
DISNEY WALT CO	CO	254687106	22,125,245	198,700	SH		SOLE		198,700	0	0
DISNEY WALT CO	CO	254687106	22,125,245	198,700	SH	Put	SOLE		198,700	0	0
DMY SQUARED TECHNOLOGY GROUP	CL A COM	233276104	1,049,831	99,510	SH		SOLE		99,510	0	0
ROMAN DBDR ACQUISITION CORP	UNIT 99/99/9999	G7633M120	1,975,575	198,152	SH		SOLE		198,152	0	0
DT CLOUD ACQUISITION CORP	ORD SHS	G28524117	3,893,180	372,910	SH		SOLE		372,910	0	0
EMBRACE CHANGE ACQUISITION COR	ORDINARY SHARES	G3034H109	490,221	41,971	SH		SOLE		41,971	0	0
EMBRACE CHANGE ACQUISITION COR	*W EXP 10/25/202	G3034H125	496	37,000	SH		SOLE		37,000	0	0
EQV VENTURES ACQUISITION COR	CL A ORD SHS	G3106N109	4,648,155	465,747	SH		SOLE		465,747	0	0
EUREKA ACQUISITION CORP	SHS CL A	G32168109	967,923	95,268	SH		SOLE		95,268	0	0
EVERGREEN CORPORATION	CLASS A ORD SHS	G3312W109	2,954,235	248,673	SH		SOLE		248,673	0	0
FACT II ACQUISITION CORP	ORD SHS CL A	G32901103	1,471,922	148,980	SH		SOLE		148,980	0	0
FACT II ACQUISITION CORP	*W EXP 11/26/203	G32901129	11,174	74,490	SH		SOLE		74,490	0	0
FTAC EMERALD ACQUISITION COR	CLASS A COM	29103K100	820,989	73,963	SH		SOLE		73,963	0	0
FOUR LEAF ACQUISITION CORP	COM CL A	35088F107	1,481,617	133,479	SH		SOLE		133,479	0	0
FLAG SHIP ACQUISITION CORP	ORD SHS	G3530C109	2,487,422	244,825	SH		SOLE		244,825	0	0
FUTURETECH II ACQUISITION CO	CLASS A COM	36119D103	825,836	74,804	SH		SOLE		74,804	0	0
GOLDENSTONE ACQUISITION LTD	COM	38136Y102	1,904,506	168,989	SH		SOLE		168,989	0	0
GIGCAPITAL7 CORP	ORD SHS CL A	G38648104	3,970,660	397,066	SH		SOLE		397,066	0	0
GIGCAPITAL7 CORP	*W EXP 08/29/202	G38648120	12,754	196,209	SH		SOLE		196,209	0	0
GLOBAL LIGHTS ACQUISITION CO	ORD SHS	G3937F101	3,670,526	344,327	SH		SOLE		344,327	0	0
ALPHABET INC	CAP STK CL A	02079K305	69,567,750	367,500	SH		SOLE		367,500	0	0
ALPHABET INC	CAP STK CL A	02079K305	69,567,750	367,500	SH	Put	SOLE		367,500	0	0
GP-ACT III ACQUISITION CORP	CL A	G4035N103	3,021,639	297,992	SH		SOLE		297,992	0	0
GRAF GLOBAL CORP	ORD SHS CL A	G4036C106	2,504,600	248,226	SH		SOLE		248,226	0	0
GSR III ACQUISITION CORP	CL A	G4R103107	2,465,537	249,296	SH		SOLE		249,296	0	0
HENNESSY CAPITAL INVST CORP	CLASS A COM	42600H108	1,075,986	101,700	SH		SOLE		101,700	0	0
HCM II ACQUISITION CORP	SHS CL A	G43658106	2,978,345	297,240	SH		SOLE		297,240	0	0
HORIZON SPACE ACQUSTN I CORP	ORDINARY SHARES	G4619M109	2,338,471	205,129	SH		SOLE		205,129	0	0
HORIZON SPACE ACQUISITION II	UNIT 11/04/2029	G4627B129	570,734	56,846	SH		SOLE		56,846	0	0
HAYMAKER ACQUISITION CORP IV	CLASS A	G4375F108	1,953,915	181,422	SH		SOLE		181,422	0	0
IB ACQUISITION CORP	COM SHS	44934N108	2,011,584	198,675	SH		SOLE		198,675	0	0
IRON HORSE ACQUISITIONS CORP	COM	462837105	4,101,090	398,551	SH		SOLE		398,551	0	0
ISRAEL ACQUISITIONS CORP	CLASS A ORD	G49667101	4,478,964	396,018	SH		SOLE		396,018	0	0
INVESTCORP AI ACQUISITION CO	CLASS A ORD SHS	G49219101	1,756,194	148,830	SH		SOLE		148,830	0	0
JACKSON ACQUISITION CO II	UNIT 99/99/9999	G4992A201	2,483,563	246,875	SH		SOLE		246,875	0	0
JOHNSON & JOHNSON	COM	478160104	38,859,394	268,700	SH		SOLE		268,700	0	0
JOHNSON & JOHNSON	COM	478160104	38,859,394	268,700	SH	Put	SOLE		268,700	0	0
JVSPAC ACQUISITION CORP	SHS CL A	G5212E105	2,972,592	284,731	SH		SOLE		284,731	0	0
KEEN VISION ACQUISITION CORP	SHS	G52443119	5,456,818	496,978	SH		SOLE		496,978	0	0
CHENGHE ACQUISITION I CO	CLASS A ORD SHS	G5380L105	2,306,165	196,604	SH		SOLE		196,604	0	0
LEGATO MERGER CORP III	ORD SHS	G5451A103	1,532,840	148,964	SH		SOLE		148,964	0	0
LAUNCH ONE ACQUISITION CORP	SHS CLASS A	G5S86M100	2,496,823	248,450	SH		SOLE		248,450	0	0
LAUNCH TWO ACQUISITION CORP.	ORD SHS CL A	G5S87A105	2,924,149	294,180	SH		SOLE		294,180	0	0
MELAR ACQUISITION CORP. I	SHS CLASS A	G6004G100	2,007,533	199,160	SH		SOLE		199,160	0	0
MELAR ACQUISITION CORP. I	*W EXP 06/01/203	G6004G118	3,265	28,394	SH		SOLE		28,394	0	0
MARS ACQUISITION CORP	ORDINARY SHARES	G5870E108	2,448,077	220,349	SH		SOLE		220,349	0	0
M3BRIGADE ACQUISITION V CORP	CL A	G63212107	1,995,502	198,360	SH		SOLE		198,360	0	0
MCDONALDS CORP	COM	580135101	14,436,522	49,800	SH		SOLE		49,800	0	0
MCDONALDS CORP	COM	580135101	14,436,522	49,800	SH	Put	SOLE		49,800	0	0
META PLATFORMS INC	CL A	30303M102	65,986,977	112,700	SH		SOLE		112,700	0	0
META PLATFORMS INC	CL A	30303M102	65,986,977	112,700	SH	Put	SOLE		112,700	0	0
MOUNTAIN LAKE ACQUISITION CO	UNIT 11/15/2028	G6301B119	1,986,542	198,060	SH		SOLE		198,060	0	0
MICROSOFT CORP	COM	594918104	70,980,600	168,400	SH		SOLE		168,400	0	0
MICROSOFT CORP	COM	594918104	70,980,600	168,400	SH	Put	SOLE		168,400	0	0
MICRON TECHNOLOGY INC	COM	595112103	41,549,792	493,700	SH		SOLE		493,700	0	0
MICRON TECHNOLOGY INC	COM	595112103	41,549,792	493,700	SH	Put	SOLE		493,700	0	0
NABORS ENERGY TRANSITION COR	CL A	G6363K106	6,112,660	565,987	SH		SOLE		565,987	0	0
CO2 ENERGY TRANSITION CORP	UNIT 99/99/9999	12664M202	597,052	59,586	SH		SOLE		59,586	0	0
NEWBURY STR II ACQUISITION C	ORD SHS CL A	G6439S109	990,000	100,000	SH		SOLE		100,000	0	0
NEWBURY STR II ACQUISITION C	*W EXP 06/01/203	G6439S117	3,750	25,000	SH		SOLE		25,000	0	0
NVIDIA CORPORATION	COM	67066G104	53,380,275	397,500	SH		SOLE		397,500	0	0
NVIDIA CORPORATION	COM	67066G104	53,380,275	397,500	SH	Put	SOLE		397,500	0	0
OAK WOODS ACQUISITION CORP	CL A	67190B104	3,409,767	300,420	SH		SOLE		300,420	0	0
PERCEPTION CAPITAL CORP III	CLASS A ORD SHS	G7185D106	1,061,549	98,657	SH		SOLE		98,657	0	0
PYROPHYTE ACQUISITION CORP	CL A ORD SHS	G7308P101	8,422,059	735,551	SH		SOLE		735,551	0	0
PATRIA LATIN AMRCN OPPRNTY A	CLASS A ORD SHS	G69454109	2,606,580	223,933	SH		SOLE		223,933	0	0
PLUM ACQUISITION CORP III	CLASS A ORD SHS	G63290111	2,272,494	204,361	SH		SOLE		204,361	0	0
ANDRETTI ACQUISITION CORP II	ORD SHS CL A	G26745102	4,216,011	421,812	SH		SOLE		421,812	0	0
ANDRETTI ACQUISITION CORP II	*W EXP 06/01/203	G26745128	5,359	37,218	SH		SOLE		37,218	0	0
QUALCOMM INC	COM	747525103	7,650,276	49,800	SH		SOLE		49,800	0	0
QUALCOMM INC	COM	747525103	7,650,276	49,800	SH	Put	SOLE		49,800	0	0
QUETTA ACQUISITION CORP	COM	74841A105	4,527,195	429,118	SH		SOLE		429,118	0	0
RANGE CAP ACQUISITION CORP	UNIT 12/11/2029	G7375C124	1,744,382	174,090	SH		SOLE		174,090	0	0
CARTESIAN GROWTH CORP II	CLASS A ORD	G19305112	7,091,379	608,180	SH		SOLE		608,180	0	0
RF ACQUISITION CORP	CLASS A COM	74954L104	1,694,067	149,257	SH		SOLE		149,257	0	0
RF ACQUISITION CORP II	SHS	G75389109	2,017,878	197,444	SH		SOLE		197,444	0	0
SILVERBOX CORP IV	SHS CL A	G81354105	602,555	59,718	SH		SOLE		59,718	0	0
SIM ACQUISITION CORP. I	SHS CL A	G8431T101	4,238,165	422,128	SH		SOLE		422,128	0	0
SK GROWTH OPPORTUNITIES CORP	CLASS A COM	G8192N103	5,568,082	478,983	SH		SOLE		478,983	0	0
SHEPHERD AVE CAP ACQUISITION	UNIT 99/99/9999	G8089R126	845,478	84,379	SH		SOLE		84,379	0	0
SPARK I ACQUISITION CORP	ORD SHS	G8316B100	267,447	25,136	SH		SOLE		25,136	0	0
SPRING VALLEY ACQUISTN CORP	CLASS A ORD	G83752108	1,119,244	99,400	SH		SOLE		99,400	0	0
TAVIA ACQUISITION CORP	SHS	G86880104	1,475,812	148,905	SH		SOLE		148,905	0	0
TRAILBLAZER MERGER CORP I	CL A	89278D109	2,286,627	205,817	SH		SOLE		205,817	0	0
TRANSLATIONAL DEV ACQUISITIO	UNIT 99/99/9999	G9008W121	1,738,771	173,530	SH		SOLE		173,530	0	0
TECHNOLOGY & TELECOM ACQ COR	CLASS A ORD SHS	G87119106	3,394,688	278,710	SH		SOLE		278,710	0	0
VOYAGER ACQUISITION CORP	CL A	G93A7H104	4,712,726	469,863	SH		SOLE		469,863	0	0
VOYAGER ACQUISITION CORP	*W EXP 05/16/203	G93A7H112	7,246	60,387	SH		SOLE		60,387	0	0
VINE HILL CAP INVT CORP.	ORD SHS CL A	G93Y09107	4,823,437	479,944	SH		SOLE		479,944	0	0
VALUENCE MERGER CORP I	CLASS A ORD SHS	G9R16L100	3,010,049	261,289	SH		SOLE		261,289	0	0
WILLOW LANE ACQUISITION CORP	ORD SHS CL A	G9675P102	1,906,239	192,746	SH		SOLE		192,746	0	0
WILLOW LANE ACQUISITION CORP	*W EXP 10/31/203	G9675P110	13,492	96,373	SH		SOLE		96,373	0	0
YHN ACQUISITION I LTD	SHS	G1514D101	1,325,234	131,733	SH		SOLE		131,733	0	0
ENTERPRISE PRODS PARTNERS L	COM	293792107	159,615,940	5,089,794	SH		SOLE		5,089,794	0	0
INTEL CORP	COM	458140100	37,793,408	1,884,958	SH		SOLE		1,884,958	0	0
ON SEMICONDUCTOR CORP	COM	682189105	46,096,990	731,118	SH		SOLE		731,118	0	0
ST JOE CO	COM	790148100	9,414,722	209,542	SH		SOLE		209,542	0	0
BANK OZK LITTLE ROCK ARK	COM	06417N103	22,300,624	500,800	SH		SOLE		500,800	0	0
ENERGY TRANSFER L P	COM UT LTD PTN	29273V100	124,092,737	6,334,494	SH		SOLE		6,334,494	0	0
EXXON MOBIL CORP	COM	30231G102	33,201,481	308,650	SH		SOLE		308,650	0	0
GLOBAL INDEMNITY GROUP LLC	COM CL A	37959R103	33,107,796	919,661	SH		SOLE		919,661	0	0
KINDER MORGAN INC DEL	COM	49456B101	208,925,000	7,625,000	SH		SOLE		7,625,000	0	0
NUTRIEN LTD	COM	67077M108	19,559,330	437,080	SH		SOLE		437,080	0	0
VERIZON COMMUNICATIONS INC	COM	92343V104	6,305,063	157,666	SH		SOLE		157,666	0	0
VISTEON CORP	COM NEW	92839U206	35,505,744	400,200	SH		SOLE		400,200	0	0