BERKLEY W R CORP

13F filer, CIK 11544, Greenwich, CT

BERKLEY W R CORP reported $1,709,624,123 across 158 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-15. Its ten largest share positions make up 59.93% of the portfolio.

Filed 2025-05-15 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC13F-HR 0000899140-25-000708

Period: 2025-03-31
Reported value: $1.71B
Holdings: 158
Top 10 weight: 59.93%
New: 62
Sold out: 58

Largest buys vs the previous quarter

Security	Shares change	Approx. value
TSLAnew	+345,800	$89.6M
NVDAadded	+198,800	$21.5M
GOOGnew	+123,300	$19.3M
SBUXnew	+149,100	$14.6M
NUEnew	+102,400	$12.3M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

Security	Shares change	Approx. value
AAPLexited	-347,200	-$86.9M
CRMexited	-223,800	-$74.8M
GOOGLexited	-367,500	-$69.6M
AMDexited	-570,900	-$69M
MUexited	-493,700	-$41.5M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2025

Share positions as resolved from 13F-HR 0000899140-25-000708, largest first. % of portfolio is the value over $1,369,392,811, the sum of the share positions whose value is usable for ratios (method).

Security	Shares	Value	% of portfolio	Change	Timeline
KMIKINDER MORGAN INC DEL	6,625,000	$189M	13.8%	-1,000,000	Timeline
EPDENTERPRISE PRODS PARTNERS L	5,089,794	$174M	12.69%	0	Timeline
ETENERGY TRANSFER L P	6,334,494	$118M	8.6%	0	Timeline
TSLATESLA INC	345,800	$89.6M	6.54%	new	Timeline
NVDANVIDIA CORPORATION	596,300	$64.6M	4.72%	+198,800	Timeline
AMZNAMAZON COM INC	294,400	$56M	4.09%	-103,100	Timeline
MSFTMICROSOFT CORP	99,500	$37.4M	2.73%	-68,900	Timeline
GBLIGLOBAL INDEMNITY GROUP LLC	919,661	$31.7M	2.31%	0	Timeline
VCVISTEON CORP	400,200	$31.1M	2.27%	0	Timeline
ONON SEMICONDUCTOR CORP	731,118	$29.7M	2.17%	0	Timeline
METAMETA PLATFORMS INC	44,900	$25.9M	1.89%	-67,800	Timeline
OZKBANK OZK LITTLE ROCK ARK	500,800	$21.8M	1.59%	0	Timeline
NTRNUTRIEN LTD	437,080	$21.7M	1.59%	0	Timeline
GOOGALPHABET INC	123,300	$19.3M	1.41%	new	Timeline
AAMAA MISSION ACQUISITION COR-A	1,731,616	$18.1M	1.32%	+956,425	Timeline
ANSCAGRICULTURE & NAT SOL ACQ CO	1,619,521	$17.3M	1.26%	+596,618	Timeline
INTCINTEL CORP	759,958	$17.3M	1.26%	-1,125,000	Timeline
SBUXSTARBUCKS CORP	149,100	$14.6M	1.07%	new	Timeline
NUENUCOR CORP	102,400	$12.3M	0.9%	new	Timeline
NICE LTDNICE LTD	11,891,000	$11.6M	0.85%	new
JOEST JOE CO	209,542	$9.84M	0.72%	0	Timeline
NEXTERA ENGY PTRNEXTERA ENGY PTR	9,967,000	$9.67M	0.71%	new
HDHOME DEPOT INC	24,900	$9.13M	0.67%	new	Timeline
CAPNCAYSON ACQUISITION CORP	763,302	$7.79M	0.57%	+485,682	Timeline
KVACFKEEN VISION ACQUISITION CORP	685,097	$7.69M	0.56%	+188,119	Timeline
MDLZMONDELEZ INTL INC	108,600	$7.37M	0.54%	new	Timeline
CARTESIAN GROWTH CORP IICARTESIAN GROWTH CORP II	608,180	$7.22M	0.53%	0
VZVERIZON COMMUNICATIONS INC	157,666	$7.15M	0.52%	0	Timeline
ARES ACQUISITION CORP IIARES ACQUISITION CORP II	635,552	$7.09M	0.52%	-973,211
FTWEQV VENTURES ACQUISITION C-A	664,467	$6.72M	0.49%	+198,720	Timeline
FSHPFLAG SHIP ACQUISITION CORP	645,946	$6.67M	0.49%	+401,121	Timeline
ONENHENNESSY CAP INVT CORP VII	646,230	$6.38M	0.47%	new	Timeline
KFIIK&F GROWTH ACQUISITION CORP	595,760	$5.93M	0.43%	new	Timeline
NABORS ENERGY TRANSITION CORNABORS ENERGY TRANSITION COR	541,526	$5.93M	0.43%	-24,461
HDRNGIGCAPITAL7 CORP	580,635	$5.88M	0.43%	+183,569	Timeline
RFAIRF ACQUISITION CORP II	552,754	$5.73M	0.42%	+355,310	Timeline
CUBLIONHEART HOLDINGS	557,163	$5.72M	0.42%	+259,003	Timeline
PLMKPLUM ACQUISITION CORP IV	569,843	$5.72M	0.42%	new	Timeline
GSR III ACQUISITION CORPGSR III ACQUISITION CORP	569,066	$5.7M	0.42%	+319,770
BEAGBOLD EAGLE ACQUISITION CORP	552,677	$5.61M	0.41%	0	Timeline
SK GROWTH OPPORTUNITIES CORPSK GROWTH OPPORTUNITIES CORP	477,108	$5.61M	0.41%	-1,875
MRLNMERLIN INC	547,135	$5.48M	0.4%	+447,135	Timeline
COLOMBIERACQUISITIONCORPICOLOMBIERACQUISITIONCORPI	512,416	$5.46M	0.4%	new
LPBBLAUNCH TWO ACQUISITION CORP.	522,721	$5.29M	0.39%	+228,541	Timeline
HSPTHORIZON SPACE ACQUISITION II	521,903	$5.27M	0.38%	new	Timeline
YHNAYHN ACQUISITION I LTD	503,916	$5.14M	0.38%	+372,183	Timeline
VCICVINE HILL CAP INVT CORP.	479,944	$4.87M	0.36%	0	Timeline
VACHVOYAGER ACQUISITION CORP	469,863	$4.78M	0.35%	0	Timeline
RANGRANGE CAP ACQUISITION CORP	472,380	$4.75M	0.35%	new	Timeline
BKHABLACK HAWK ACQUISITION CORP	438,055	$4.61M	0.34%	0	Timeline
RIBBRIBBON ACQUISITION CORP	437,266	$4.36M	0.32%	new	Timeline
CHENGHE ACQUISITION II COCHENGHE ACQUISITION II CO	424,633	$4.35M	0.32%	new
SIMASIM ACQUISITION CORP. I	422,128	$4.31M	0.32%	0	Timeline
ALDFALDEL FINL II INC	425,000	$4.3M	0.31%	+75,000	Timeline
POLEANDRETTI ACQUISITION CORP II	421,812	$4.27M	0.31%	0	Timeline
UCFICN HEALTHY FOOD TECH GROUP C	398,551	$4.18M	0.31%	0	Timeline
IBACIB ACQUISITION CORP	404,912	$4.17M	0.3%	+206,237	Timeline
DTSQDT CLOUD STAR ACQUISITION CO	397,647	$4.07M	0.3%	new	Timeline
AACBUARTIUS II ACQUISITION INC	396,960	$4M	0.29%	new	Timeline
AFJKAIMEI HEALTH TECHNOLOGY CO L	344,126	$3.79M	0.28%	-99,753	Timeline
GLOBAL LIGHTS ACQUISITION COGLOBAL LIGHTS ACQUISITION CO	344,327	$3.73M	0.27%	0
COLACOLUMBUS ACQUISITION CORP	372,654	$3.73M	0.27%	new	Timeline
DT CLOUD ACQUISITION CORPDT CLOUD ACQUISITION CORP	348,138	$3.73M	0.27%	-24,772
EAGLE NUCLEAR ENERGY CORP C…EAGLE NUCLEAR ENERGY CORP COM	316,189	$3.64M	0.27%	+216,789
IPEXINFLECTION POINT ACQU CORP V	361,281	$3.58M	0.26%	new	Timeline
Oak Woods Acquisition CorpOak Woods Acquisition Corp	300,420	$3.48M	0.25%	0
MACIMELAR ACQUISITION CORP. I	323,448	$3.31M	0.24%	+124,288	Timeline
JVSPAC ACQUISITION CORPJVSPAC ACQUISITION CORP	304,593	$3.25M	0.24%	+19,862
ASPCA SPAC III ACQUISITION CORP	322,163	$3.24M	0.24%	new	Timeline
LPAALAUNCH ONE ACQUISITION CORP	311,030	$3.18M	0.23%	+62,580	Timeline
CHARCHARLTON ARIA ACQUISITION CO	311,990	$3.14M	0.23%	+164,840	Timeline
EURKEUREKA ACQUISITION CORP	304,292	$3.13M	0.23%	+209,024	Timeline
HCM II ACQUISITION CORPHCM II ACQUISITION CORP	297,240	$3.13M	0.23%	0
BAYABAYVIEW ACQUISITION CORP	282,488	$3.08M	0.22%	0	Timeline
GPATGP-ACT III ACQUISITION CORP	297,992	$3.07M	0.22%	0	Timeline
CEPOCANTOR EQUITY PARTNERS I INC	297,960	$3.05M	0.22%	new	Timeline
RACURITHM ACQUISITION CORP	298,200	$3.01M	0.22%	new	Timeline
KHCKRAFT HEINZ CO	92,300	$2.81M	0.21%	new	Timeline
CANTOR EQUITY PARTNERS INCCANTOR EQUITY PARTNERS INC	258,223	$2.77M	0.2%	0
CLIMATEROCKCLIMATEROCK	224,261	$2.69M	0.2%	0
DRDBROMAN DBDR ACQUISITION CORP	267,634	$2.68M	0.2%	new	Timeline
TONTGRAF GLOBAL CORP	248,226	$2.54M	0.19%	0	Timeline
JACSJACKSON ACQUISITION CO II	246,875	$2.48M	0.18%	new	Timeline
HORIZON SPACE ACQUSTN I CORPHORIZON SPACE ACQUSTN I CORP	205,129	$2.44M	0.18%	0
TRAILBLAZER MERGER CORP ITRAILBLAZER MERGER CORP I	205,817	$2.32M	0.17%	0
ATIIUARCHIMEDES TECH SPAC PARTNER	228,206	$2.3M	0.17%	new	Timeline
ALFCENTURION ACQUISITION CORP	223,961	$2.29M	0.17%	+74,793	Timeline
AI Transportation Acquisiti…AI Transportation Acquisition Corp	202,958	$2.23M	0.16%	+6,067
BLACK SPADE ACQUISITION II CBLACK SPADE ACQUISITION II C	216,622	$2.2M	0.16%	+143,215
MLACMOUNTAIN LAKE ACQUISITION CO	218,060	$2.19M	0.16%	new	Timeline
ALPHAVEST ACQUISITION CORPALPHAVEST ACQUISITION CORP	189,015	$2.18M	0.16%	0
VLOSVELOS ACQUISITION I CORP	198,360	$2.03M	0.15%	0	Timeline
FERAUFIFTH ERA ACQUISITION CORP I	198,800	$2M	0.15%	new	Timeline
HYACHAYMAKER ACQUISITION CORP IV	181,422	$1.99M	0.15%	0	Timeline
ATMCALPHATIME ACQUISITION CORP ORD	170,992	$1.99M	0.14%	-126,965	Timeline
WLACWILLOW LANE ACQUISITION CORP	192,746	$1.93M	0.14%	0	Timeline
GOLDENSTONE ACQUISITION LTD…GOLDENSTONE ACQUISITION LTD COM	168,989	$1.92M	0.14%	0
PGACPANTAGES CAPITAL ACQUISITION	183,911	$1.84M	0.13%	new	Timeline
INVESTCORP AI ACQUISITION COINVESTCORP AI ACQUISITION CO	148,830	$1.79M	0.13%	0
TDACTRANSLATIONAL DEV ACQUISITIO	173,530	$1.75M	0.13%	new	Timeline
NHICUNEWHOLD INVT CORP III	173,950	$1.75M	0.13%	new	Timeline
UYSCUUY SCUTI ACQUISITION CORP.	173,722	$1.75M	0.13%	new	Timeline
GSHRUGESHER ACQUISITION CORP. II	163,796	$1.64M	0.12%	new	Timeline
SPKLFSPARK I ACQUISITION CORP	149,298	$1.6M	0.12%	+124,162	Timeline
SVCCSTELLAR V CAP CORP	158,768	$1.59M	0.12%	new	Timeline
LEGTLEGATO MERGER CORP III	148,964	$1.56M	0.11%	0	Timeline
FOUR LEAF ACQUISITION CORPFOUR LEAF ACQUISITION CORP	133,479	$1.51M	0.11%	0
QSEAUQUARTZSEA ACQUISITION CORP	148,740	$1.5M	0.11%	new	Timeline
TAVITAVIA ACQUISITION CORP	148,905	$1.5M	0.11%	0	Timeline
FACTFACT II ACQUISITION CORP	148,980	$1.49M	0.11%	0	Timeline
LOKVULIVE OAK ACQUISITION CORP V	124,250	$1.25M	0.09%	new	Timeline
BEACON ROOFING SUPPLY INCBEACON ROOFING SUPPLY INC	9,900	$1.23M	0.09%	new
AREALEXANDRIA REAL ESTATE EQ IN	13,300	$1.23M	0.09%	new	Timeline
HENNESSY CAPITAL INVST CORPHENNESSY CAPITAL INVST CORP	101,700	$1.11M	0.08%	0
OACCOAKTREE ACQUISITION CORP III	99,330	$1.02M	0.07%	new	Timeline
NTWONEWBURY STR II ACQUISITION C	100,000	$1.01M	0.07%	0	Timeline
LYFT INCLYFT INC	958,000	$960K	0.07%	new
AIMFINITY INVESTMENT CORP IAIMFINITY INVESTMENT CORP I	74,540	$909K	0.07%	-102,723
DYNCDYNAMIX CORP	73,190	$728K	0.05%	new	Timeline
FVNFUTURE VISION II ACQUISITION	65,259	$664K	0.05%	new	Timeline
SBXDFSILVERBOX CORP IV	59,718	$608K	0.04%	0	Timeline
NOEMCO2 ENERGY TRANSITION CORP	59,586	$591K	0.04%	new	Timeline
COHENCIRCLEACQUISITIONCORCOHENCIRCLEACQUISITIONCOR	50,094	$562K	0.04%	-47,514
EMBRACE CHANGE ACQUISITN COREMBRACE CHANGE ACQUISITN COR	41,971	$502K	0.04%	0
CCIXCHURCHILL CAPITAL CORP IX	27,345	$295K	0.02%	new	Timeline
DMYYDMY SQUARED TECHNOLOGY GROUP I	25,742	$288K	0.02%	-73,768	Timeline
BEAGRBOLD EAGLE ACQUISITION CORP	258,486	$59.5K	<0.01%	-182,692	Timeline
HVIIRHENNESSY CAP INVT CORP VII	248,550	$50.7K	<0.01%	new	Timeline
KFIIRK&F GROWTH ACQUISITION CORP	396,920	$47.6K	<0.01%	new	Timeline
AA MISSION ACQUISITI…AA MISSION ACQUISITION …	251,130	$16.7K	<0.01%	0
WLACWWILLOW LANE ACQUISITION CORP	68,823	$15.7K	<0.01%	-27,550	Timeline
GIGGWGIGCAPITAL7 CORP	153,527	$14.7K	<0.01%	-42,682	Timeline
HSPTRHORIZON SPACE ACQUISITION II	106,993	$13.9K	<0.01%	new	Timeline
FACTWFACT II ACQUISITION CORP	74,490	$13.4K	<0.01%	0	Timeline
PLMKWPLUM ACQUISITION CORP IV	74,383	$12.3K	<0.01%	new	Timeline
TDACWTRANSLATIONAL DEV ACQUISITIO	86,765	$12.2K	<0.01%	new	Timeline
CUBWWLIONHEART HOLDINGS	98,980	$11.9K	<0.01%	0	Timeline
ASPCRA SPAC III ACQUISITION CORP	81,046	$11.2K	<0.01%	new	Timeline
VACHWVOYAGER ACQUISITION CORP	59,990	$9.01K	<0.01%	-397	Timeline
RIBBRRIBBON ACQUISITION CORP	35,724	$8.93K	<0.01%	new	Timeline
COLARCOLUMBUS ACQUISITION CORP	49,795	$7.97K	<0.01%	new	Timeline
POLEWANDRETTI ACQUISITION CORP II	35,843	$6.45K	<0.01%	-1,375	Timeline
NTWOWNEWBURY STR II ACQUISITION C	25,000	$5.5K	<0.01%	0	Timeline
Chenghe Acquisition II CoChenghe Acquisition II Co	74,685	$3.73K	<0.01%	new
CAPNRCAYSON ACQUISITION CORP	16,197	$2.27K	<0.01%	0	Timeline
EMCWFEMBRACE CHANGE ACQUISITION COR	37,000	$807	<0.01%	0	Timeline

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

Security	Type	Amount	Value	Change
TSLATESLA INC COM	put	345,800	$89.6M	new
NVDANVIDIA CORPORATION COM	put	596,300	$64.6M	+198,800
AMZNAMAZON COM INC COM	put	294,400	$56M	-103,100
MSFTMICROSOFT CORP COM	put	99,500	$37.4M	-68,900
METAMETA PLATFORMS INC COM	put	44,900	$25.9M	-67,800
GOOGALPHABET INC COM	put	123,300	$19.3M	new
SBUXSTARBUCKS CORP COM	put	149,100	$14.6M	new
NUENUCOR CORP Stock	put	102,400	$12.3M	new
HDHOME DEPOT INC COM	put	24,900	$9.13M	new
MDLZMONDELEZ INTL INC COM	put	108,600	$7.37M	new
KHCKRAFT HEINZ CO Stock	put	92,300	$2.81M	new
AREALEXANDRIA REAL ESTATE EQ IN REIT	put	13,300	$1.23M	new

Sold out in Q1 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

Security	Shares before	Value before	Type
AAPLAPPLE INC	347,200	$86.9M	shares
AAPLAPPLE INC	347,200	$86.9M	put
CRMSALESFORCE INC	223,800	$74.8M	shares
CRMSALESFORCE INC	223,800	$74.8M	put
GOOGLALPHABET INC	367,500	$69.6M	shares
GOOGLALPHABET INC	367,500	$69.6M	put
AMDADVANCED MICRO DEVICES INC	570,900	$69M	shares
AMDADVANCED MICRO DEVICES INC	570,900	$69M	put
MUMICRON TECHNOLOGY INC	493,700	$41.5M	shares
MUMICRON TECHNOLOGY INC	493,700	$41.5M	put
JNJJOHNSON & JOHNSON	268,700	$38.9M	shares
JNJJOHNSON & JOHNSON	268,700	$38.9M	put
XOMEXXON MOBIL CORP	308,650	$33.2M	shares
AXPAMERICAN EXPRESS CO	100,000	$29.7M	shares
AXPAMERICAN EXPRESS CO	100,000	$29.7M	put
DISDISNEY WALT CO	198,700	$22.1M	shares
DISDISNEY WALT CO	198,700	$22.1M	put
AVGOBROADCOM INC	75,000	$17.4M	shares
AVGOBROADCOM INC	75,000	$17.4M	put
MCDMCDONALDS CORP	49,800	$14.4M	shares
MCDMCDONALDS CORP	49,800	$14.4M	put
PYROPHYTE ACQUISITION CORPPYROPHYTE ACQUISITION CORP	735,551	$8.42M	shares
QCOMQUALCOMM INC	49,800	$7.65M	shares
QCOMQUALCOMM INC	49,800	$7.65M	put
BOWEN ACQUISITION CORPBOWEN ACQUISITION CORP	451,369	$4.93M	shares
QETAQUETTA ACQUISITION CORP	429,118	$4.53M	shares
ISRLFISRAEL ACQUISITIONS CORP CL A	396,018	$4.48M	shares
CARTICA ACQUISITION CORPCARTICA ACQUISITION CORP	342,727	$4.03M	shares
TECHNOLOGY & TEL EQUITYTECHNOLOGY & TEL EQUITY	278,710	$3.39M	shares
BURTECH ACQUISITION CORPBURTECH ACQUISITION CORP	263,260	$3.07M	shares
CDAQFCOMPASS DIGITAL ACQ.CORP ORD S	280,044	$3.04M	shares
BATTERY FUTURE ACQUISITION CBATTERY FUTURE ACQUISITION C	270,370	$3.01M	shares
VALUENCE MERGER CORP IVALUENCE MERGER CORP I	261,289	$3.01M	shares
NULLNULL	248,673	$2.95M	shares
Patria Latin American Oppor…Patria Latin American Opportunity…	223,933	$2.61M	shares
JACSUJACKSON ACQUISITION CO II	246,875	$2.48M	shares
MARS ACQUISITION CORPMARS ACQUISITION CORP	220,349	$2.45M	shares
CHENGHE ACQUISITION I COCHENGHE ACQUISITION I CO	196,604	$2.31M	shares
PLMJFPLUM ACQUISITION CORP. III CLA	204,361	$2.27M	shares
MLACUMOUNTAIN LAKE ACQUISITION CO	198,060	$1.99M	shares
DRDBUROMAN DBDR ACQUISITION CORP	198,152	$1.98M	shares
RANGURANGE CAP ACQUISITION CORP	174,090	$1.74M	shares
TDACUTRANSLATIONAL DEV ACQUISITIO	173,530	$1.74M	shares
RF ACQUISITION CORPRF ACQUISITION CORP	149,257	$1.69M	shares
CHENGHE ACQUISITION II COCHENGHE ACQUISITION II CO	149,370	$1.51M	shares
ASPCUA SPAC III ACQUISITION CORP	126,318	$1.27M	shares
CSLM ACQUISITION CORPCSLM ACQUISITION CORP	102,006	$1.17M	shares
PERCEPTION CAPITAL CORP IIIPERCEPTION CAPITAL CORP III	98,657	$1.06M	shares
BROAD CAPITAL ACQUISITION COBROAD CAPITAL ACQUISITION CO	73,712	$868K	shares
PANTAGES CAPITAL ACQUISITIONPANTAGES CAPITAL ACQUISITION	84,379	$845K	shares
FUTURETECH II ACQUISITION COFUTURETECH II ACQUISITION CO	74,804	$826K	shares
FLDFOLD HLDGS INC	73,963	$821K	shares
BYNORDIC ACQUISITION CL A O…BYNORDIC ACQUISITION CL A ORD	62,239	$711K	shares
NOEMUCO2 ENERGY TRANSITION CORP	59,586	$597K	shares
HSPTUHORIZON SPACE ACQUISITION II	56,846	$571K	shares
ALDFWALDEL FINL II INC	74,380	$22.3K	shares
BACQRINFLECTION PT ACQUISITION CORP	50,000	$8.5K	shares
MELAR ACQUISITION CORP. IMELAR ACQUISITION CORP. I	28,394	$3.27K	shares

How Q1 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

Filing	Role	Amendment	Filed	Accepted	Ingested
13F-HR 0000899140-25-000708	base		2025-05-15	acceptance time not in the bulk data set	2026-10-07 18:25:06 UTC