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BERKLEY W R CORP
Period ended Jun 30, 2026 · Latest filing Aug 24, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Jun 30, 2026: $2,175,750,682
More quarters will appear as history becomes available.
Top holdings
Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- ENTERPRISE PRODS PARTNERS L · COM · 293792107 · shares: $250,887,000
- ENERGY TRANSFER L P · COM UT LTD PTN · 29273V100 · shares: $157,740,000
- KINDER MORGAN INC DEL · COM · 49456B101 · shares: $90,705,476
- PLAINS ALL AMERN PIPELINE L · UNIT LTD PARTN · 726503105 · shares: $70,882,674
- ON SEMICONDUCTOR CORP · COM · 682189105 · shares: $69,119,896
- MICROSOFT CORP · COM · 594918104 · shares: $55,729,188
- MICROSOFT CORP · COM · 594918104 · shares · PUT: $55,729,188
- WESTERN MIDSTREAM PARTNERS · COM UNIT LP INT · 958669103 · shares: $55,442,607
- PROGRESSIVE CORP · COM · 743315103 · shares: $45,347,817
- AGRICULTURE & NAT SOL ACQ CO · SHS CL A · G0131Y100 · shares: $37,059,804
Reported holdings
344 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| ENTERPRISE PRODS PARTNERS L | COM | 293792107 | — | 6,825,000 shares | $250,887,000 |
| ENERGY TRANSFER L P | COM UT LTD PTN | 29273V100 | — | 8,250,000 shares | $157,740,000 |
| KINDER MORGAN INC DEL | COM | 49456B101 | — | 2,837,206 shares | $90,705,476 |
| PLAINS ALL AMERN PIPELINE L | UNIT LTD PARTN | 726503105 | — | 3,184,307 shares | $70,882,674 |
| ON SEMICONDUCTOR CORP | COM | 682189105 | — | 731,118 shares | $69,119,896 |
| MICROSOFT CORP | COM | 594918104 | — | 149,400 shares | $55,729,188 |
| MICROSOFT CORP | COM | 594918104 | PUT | 149,400 shares | $55,729,188 |
| WESTERN MIDSTREAM PARTNERS | COM UNIT LP INT | 958669103 | — | 1,266,970 shares | $55,442,607 |
| PROGRESSIVE CORP | COM | 743315103 | — | 207,589 shares | $45,347,817 |
| AGRICULTURE & NAT SOL ACQ CO | SHS CL A | G0131Y100 | — | 3,265,181 shares | $37,059,804 |
| NVIDIA CORPORATION | COM | 67066G104 | — | 124,800 shares | $24,971,232 |
| NVIDIA CORPORATION | COM | 67066G104 | PUT | 124,800 shares | $24,971,232 |
| ROMAN DBDR ACQUISITION CORP | ORD SHS CL A | G7633M104 | — | 2,276,587 shares | $23,995,227 |
| TAIWAN SEMICONDUCTOR MANUFAC | SPONSORED ADS | 874039100 | — | 49,700 shares | $23,735,229 |
| TAIWAN SEMICONDUCTOR MANUFAC | SPONSORED ADS | 874039100 | PUT | 49,700 shares | $23,735,229 |
| PFIZER INC | COM | 717081103 | — | 965,537 shares | $23,250,131 |
| GLOBAL INDEMNITY GROUP LLC | COM CL A | 37959R103 | — | 919,661 shares | $22,991,525 |
| INFLECTION PT ACQUISITION CO | CL A ORD SHS | G47875102 | — | 2,211,677 shares | $22,824,507 |
| TESLA INC | COM | 88160R101 | — | 50,000 shares | $21,030,000 |
| TESLA INC | COM | 88160R101 | PUT | 50,000 shares | $21,030,000 |
| SILVERBOX CORP IV | SHS CL A | G81354105 | — | 1,930,127 shares | $20,864,673 |
| EQV VENTURES AC CORP. II | ORD SHS CL A | G3106Q102 | — | 1,880,883 shares | $19,147,389 |
| LAUNCH ONE ACQUISITION CORP | SHS CLASS A | G5S86M100 | — | 1,675,043 shares | $18,190,967 |
| KOCHAV DEFENSE ACQUI CO | SHS CL A | G5304D106 | — | 1,690,352 shares | $17,528,950 |
| YORKVILLE ACQUISITION CORP. | SHS CL A | G98659116 | — | 1,645,570 shares | $16,801,270 |
| GLOBA TERRA ACQUISITION COR | CL A ORD SHS | G3933N116 | — | 1,561,028 shares | $16,094,199 |
| M3BRIGADE ACQUISITION V CORP | CL A | G63212107 | — | 1,429,725 shares | $15,483,922 |
| CANTOR EQUITY PARTNERS I INC | SHS CL A | G1827K107 | — | 1,444,647 shares | $15,356,598 |
| ST JOE CO | COM | 790148100 | — | 209,542 shares | $13,123,615 |
| GIGCAPITAL8 CORP | ORD CL A | G3864J100 | — | 1,289,470 shares | $12,972,068 |
| BERTO ACQUISITION CORP | ORD SHS | G1051H101 | — | 1,225,999 shares | $12,860,730 |
| ARMADA ACQUISITION CORP II | COM CL A | G0R38G104 | — | 1,233,735 shares | $12,855,519 |
| CROWN RESV ACQUISITION CORP | ORD SHS CL A | G2574F119 | — | 1,217,433 shares | $12,308,248 |
| FACT II ACQUISITION CORP | ORD SHS CL A | G32901103 | — | 1,153,140 shares | $12,257,878 |
| NEW PROVIDENCE ACQUISITION C | USD CL A ORD SHS | G6476A102 | — | 1,179,542 shares | $12,243,646 |
| AMAZON COM INC | COM | 023135106 | — | 50,000 shares | $11,917,000 |
| AMAZON COM INC | COM | 023135106 | PUT | 50,000 shares | $11,917,000 |
| K&F GROWTH ACQUISITION CORP | SHS CL A | G52258111 | — | 1,124,156 shares | $11,871,087 |
| HENNESSY CAP INVT CORP VII | ORD SHS CL A | G4405D107 | — | 1,101,473 shares | $11,510,393 |
| QUARTZSEA ACQUISITION CORP | ORD SHS | G7314B104 | — | 1,094,190 shares | $11,504,861 |
| COPLEY ACQUISITION CORP | ORD SHS CL A | G24243100 | — | 1,084,469 shares | $11,311,012 |
| INFLECTION POINT ACQU CORP V | ORD SHS CL A | G6001J107 | — | 1,060,952 shares | $11,139,996 |
| JACKSON ACQUISITION CO II | COM SHS CL A | G4992A110 | — | 927,836 shares | $9,872,175 |
| FG IMPERII ACQUISITION CORP | ORD SHS CL A | G3R41C102 | — | 992,100 shares | $9,851,553 |
| CHARLTON ARIA ACQUISITION CO | ORD SHS CL A | G9877L107 | — | 878,975 shares | $9,488,535 |
| XSOLLA SPAC 1 | USD CL A ORD SHS | G9833K102 | — | 920,190 shares | $9,137,487 |
| LAUNCH TWO ACQUISITION CORP. | ORD SHS CL A | G5S87A105 | — | 847,934 shares | $9,089,852 |
| QUANTUMSPHERE ACQUISITION CO | ORD SHS | G7387B106 | — | 881,402 shares | $9,007,928 |
| RF ACQUISITION CORP II | SHS | G75389109 | — | 814,851 shares | $8,979,658 |
| SOULPOWER ACQUISITION CORP | USD CL A ORD SHS | G82745103 | — | 866,764 shares | $8,971,007 |
| AMERICAN EXCEPTIONALISM ACQU | ORD CL A | G0273J101 | — | 747,779 shares | $8,838,748 |
| GIGCAPITAL9 CORP | CL A | G3865B114 | — | 882,431 shares | $8,775,776 |
| SIZZLE ACQUISITION CORP. II | USD CL A ORD SHS | G8193F109 | — | 843,448 shares | $8,742,339 |
| MELAR ACQUISITION CORP. I | SHS CL A | G6004G100 | — | 795,916 shares | $8,707,321 |
| SIDDHI ACQUISITION CORP | CL A SHS | G8118C124 | — | 826,986 shares | $8,600,654 |
| PLUM ACQUISITION CORP IV | SHS CL A | G7134A104 | — | 805,592 shares | $8,587,611 |
| DYNAMIX CORP | SHS CL A | G2949D104 | — | 775,489 shares | $8,367,526 |
| DIGITAL ASSET ACQUISITION CO | SHS CL A | G2868C103 | — | 792,787 shares | $8,229,129 |
| CANTOR EQUITY PARTNERS V INC | SHS CL A S | G1828S109 | — | 792,962 shares | $8,177,421 |
| TITAN ACQUISITION CORP | CL A | G8901A103 | — | 778,984 shares | $8,109,223 |
| PRAETORIAN ACQUISITION CORP | ORD SHS CL A | G7S17G103 | — | 795,690 shares | $7,893,245 |
| SPACSPHERE ACQUISITION CORP | CL A SHS | G8T088109 | — | 768,983 shares | $7,674,450 |
| BLUE WTR ACQUISITION CORP. I | ORD SHS CL A | G1368E106 | — | 731,506 shares | $7,541,827 |
| ANDRETTI ACQUISITION CORP II | ORD SHS CL A | G26745102 | — | 683,233 shares | $7,344,755 |
| PROCAP ACQUISITION CORP | SHS CL A | G7257A105 | — | 700,182 shares | $7,211,875 |
| LAKESHORE ACQUISITION III CO | USD ORD SHS | G5353S103 | — | 687,425 shares | $7,176,717 |
| COLLECTIVE ACQUISITION CORP | SHS CL A | G2867S109 | — | 683,778 shares | $7,131,805 |
| VERIZON COMMUNICATIONS INC | COM | 92343V104 | — | 157,666 shares | $6,675,578 |
| CHENGHE ACQUISITION III CO | ORD SHS CL A | G2086N105 | — | 643,849 shares | $6,541,506 |
| LAFAYETTE DIGITAL ACQUISITIO | ORD CLASS A | G5345D107 | — | 646,456 shares | $6,451,631 |
| TAVIA ACQUISITION CORP | SHS | G86880104 | — | 548,331 shares | $6,020,674 |
| K2 CAP ACQUISITION CORP | ORD SHS CL A | G5226B105 | — | 596,880 shares | $5,938,956 |
| XFLH CAP CORP | ORD SHS | G9834D107 | — | 571,683 shares | $5,699,680 |
| OCEAN CAP ACQUISITION CORP | UNIT 99/99/9999 | G66903132 | — | 556,013 shares | $5,688,013 |
| ALDEL FINL II INC | CL A | G01558108 | — | 523,423 shares | $5,592,775 |
| BREEZE ACQUISITION CORP II | ORD SHS | G13227106 | — | 557,070 shares | $5,520,564 |
| CAYSON ACQUISITION CORP | SHS | G1993W109 | — | 497,282 shares | $5,509,885 |
| BOLD EAGLE ACQUISITION CORP | CL A | G2003N105 | — | 508,724 shares | $5,433,172 |
| COHEN CIRCLE ACQUISIT CORP I | SHS CL A | G2254C121 | — | 525,621 shares | $5,413,896 |
| GP-ACT III ACQUISITION CORP | CL A | G4035N103 | — | 497,064 shares | $5,413,027 |
| SUMA ACQUISITION CORP | USD CL A ORD SHS | G8557R103 | — | 546,810 shares | $5,397,015 |
| FUTURE MONEY ACQUISITION COR | ORD SHS | G3700S108 | — | 540,732 shares | $5,391,098 |
| THAYER VENTURES ACQ CORP II | CL A | G87890102 | — | 518,020 shares | $5,356,327 |
| RANGE CAP ACQUISITION CORP | ORD SHS | G7375C108 | — | 497,293 shares | $5,311,089 |
| GENERAL PURP ACQUISITION COR | USD CL A ORD SHS | G3810N106 | — | 518,564 shares | $5,185,640 |
| GORES HLDGS X INC | SHS CL A | G4002F109 | — | 492,370 shares | $5,135,419 |
| FLAG SHIP ACQUISITION CORP | ORD SHS | G3530C109 | — | 449,489 shares | $4,991,126 |
| QUANTUM LEAP ACQUISITION COR | CL A ORD SHS | G73167101 | — | 496,600 shares | $4,931,238 |
| CLEARTHINK 1 ACQUISITION COR | ORD SHS CL A | G2294A101 | — | 497,000 shares | $4,925,270 |
| OYSTER ENTERPRISES II ACQUIS | ORD SHS CL A | G6861F104 | — | 475,872 shares | $4,906,240 |
| NMP ACQUISITION CORP | CL A | G6375X104 | — | 470,664 shares | $4,829,013 |
| WINTERGREEN ACQUISITION CORP | SHS | G9717M109 | — | 460,136 shares | $4,790,016 |
| OCEANHAWK ACQUISITION CORP | CL A ORD SHS | G6722R107 | — | 472,530 shares | $4,678,047 |
| TGE VALUE CREATIVE SOLUTIONS | USD CL A ORD SHS | G8773E100 | — | 447,006 shares | $4,452,180 |
| MOUNTAIN LAKE ACQUISIT CORP | USD CL A ORD SHS | G6301L109 | — | 447,794 shares | $4,446,594 |
| ALDABRA 4 LQDTY OPP VEH INC | CL A ORD SHS | G01900102 | — | 446,445 shares | $4,437,663 |
| SHREYA ACQUISITION GROUP | ORD CL A | G8116J105 | — | 447,352 shares | $4,424,311 |
| UY SCUTI ACQUISITION CORP. | ORD SHS | G93Y0A104 | — | 407,586 shares | $4,353,018 |
| OXLEY BRIDGE ACQ LTD | USD CL A ORD SHS | G6858G107 | — | 424,660 shares | $4,340,025 |
| SILVER PEGASUS ACQUISITION C | SHS CL A | G8192J102 | — | 415,865 shares | $4,275,092 |