Berkley W R Corp
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$1.86B
Q ending 2026-03-31
Prior quarter
$2.13B
Q ending 2025-12-31
Change
-12.4% QoQ · +8.9% YoY
Positions
345
reported holdings
Largest positions
Top 100 of 345 reported positions by value, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Enterprise Prods Partners L | EPD | Shares | $258.3M | 6.8M |
| Energy Transfer L P | ET | Shares | $159.2M | 8.3M |
| Kinder Morgan Inc Del | KMI | Shares | $95.1M | 2.8M |
| Plains All Amern Pipeline L | PAA | Shares | $59.9M | 2.7M |
| Western Midstream Partners L | WES | Shares | $52.2M | 1.3M |
| On Semiconductor Corp | ON | Shares | $45.3M | 731K |
| Progressive Corp | PGR | Shares | $41.2M | 208K |
| Agriculture & Nat Sol Acq Co | Shares | $29.7M | 2.6M | |
| Haymaker Acquisition Corp Iv | Shares | $26.7M | 2.3M | |
| Global Indemnity Group Llc | GBLI | Shares | $25.0M | 920K |
| Cantor Equity Partners Iii I | Shares | $23.0M | 2.2M | |
| Mountain Lake Acquisition Co | Shares | $19.8M | 1.9M | |
| Churchill Capital Corp Ix | Shares | $19.3M | 1.8M | |
| Roman Dbdr Acquisition Corp | Shares | $18.9M | 1.8M | |
| Berto Acquisition Corp | Shares | $18.7M | 1.8M | |
| Eqv Ventures Ac Corp. Ii | Shares | $18.7M | 1.9M | |
| Gigcapital7 Corp | Shares | $18.5M | 1.7M | |
| Inflection Pt Acquisition Co | Shares | $18.1M | 1.8M | |
| Kochav Defense Acqui Co | Shares | $17.3M | 1.7M | |
| Yorkville Acquisition Corp. | Shares | $16.6M | 1.6M | |
| Silverbox Corp Iv | Shares | $16.2M | 1.5M | |
| Legato Merger Corp Iii | Shares | $16.1M | 1.5M | |
| Launch One Acquisition Corp | Shares | $15.9M | 1.5M | |
| Voyager Acquisition Corp | Shares | $13.9M | 1.3M | |
| St Joe Co | JOE | Shares | $13.2M | 210K |
| Gigcapital8 Corp | Shares | $12.9M | 1.3M | |
| Cantor Equity Partners I Inc | Shares | $12.8M | 1.2M | |
| Armada Acquisition Corp Ii | Shares | $12.7M | 1.2M | |
| Centurion Acquisition Corp | Shares | $12.5M | 1.2M | |
| K&F Growth Acquisition Corp | Shares | $11.2M | 1.1M | |
| Globa Terra Acquisition Cor | Shares | $10.9M | 1.1M | |
| Melar Acquisition Corp. I | Shares | $10.8M | 999K | |
| Copley Acquisition Corp | Shares | $10.6M | 1.0M | |
| M3Brigade Acquisition V Corp | Shares | $10.3M | 964K | |
| Inflection Point Acqu Corp V | Shares | $10.2M | 981K | |
| Lionheart Holdings | Shares | $9.9M | 917K | |
| Fg Imperii Acquisition Corp | Shares | $9.8M | 992K | |
| Sim Acquisition Corp. I | Shares | $9.8M | 912K | |
| Charlton Aria Acquisition Co | Shares | $9.3M | 879K | |
| Gp-Act Iii Acquisition Corp | Shares | $9.2M | 847K | |
| Pantages Capital Acquisition | Shares | $9.2M | 874K | |
| Xsolla Spac 1 | Shares | $9.0M | 920K | |
| Soulpower Acquisition Corp | Shares | $8.9M | 867K | |
| Gigcapital9 Corp | Shares | $8.7M | 882K | |
| Launch Two Acquisition Corp. | Shares | $8.7M | 817K | |
| Plum Acquisition Corp Iv | Shares | $8.5M | 804K | |
| Rf Acquisition Corp Ii | Shares | $8.4M | 766K | |
| Dynamix Corp | Shares | $8.3M | 791K | |
| Cantor Equity Partners V Inc | Shares | $8.0M | 793K | |
| Verizon Communications Inc | VZ | Shares | $7.9M | 158K |
| Praetorian Acquisition Corp | Shares | $7.8M | 796K | |
| Digital Asset Acquisition Co | Shares | $7.8M | 761K | |
| Hennessy Cap Invt Corp Vii | Shares | $7.5M | 729K | |
| Blue Wtr Acquisition Corp. I | Shares | $7.5M | 732K | |
| Vine Hill Cap Invt Corp. | Shares | $7.1M | 662K | |
| Live Oak Acquisition Corp V | Shares | $6.7M | 648K | |
| Dune Acquisition Corp Ii | Shares | $6.7M | 649K | |
| New Providence Acquisition C | Shares | $6.6M | 645K | |
| Lafayette Digital Acquisitio | Shares | $6.4M | 646K | |
| Range Cap Acquisition Corp | Shares | $6.1M | 577K | |
| K2 Cap Acquisition Corp | Shares | $5.9M | 597K | |
| Chenghe Acquisition Iii Co | Shares | $5.8M | 571K | |
| Spacsphere Acquisition Corp | Shares | $5.7M | 573K | |
| Xflh Cap Corp | Shares | $5.6M | 572K | |
| Suma Acquisition Corp | Shares | $5.5M | 547K | |
| Cayson Acquisition Corp | Shares | $5.5M | 497K | |
| Future Money Acquisition Cor | Shares | $5.4M | 541K | |
| Cohen Circle Acquisit Corp I | Shares | $5.4M | 526K | |
| Bold Eagle Acquisition Corp | Shares | $5.4M | 509K | |
| Quantumsphere Acquisition Co | Shares | $5.1M | 509K | |
| General Purp Acquisition Cor | Shares | $5.1M | 519K | |
| Titan Acquisition Corp | Shares | $5.1M | 496K | |
| Gores Hldgs X Inc | Shares | $5.0M | 492K | |
| Aldel Finl Ii Inc | Shares | $5.0M | 475K | |
| Clearthink 1 Acquisition Cor | Shares | $5.0M | 497K | |
| Andretti Acquisition Corp Ii | Shares | $4.9M | 462K | |
| Siddhi Acquisition Corp | Shares | $4.9M | 474K | |
| Oyster Enterprises Ii Acquis | Shares | $4.8M | 476K | |
| Flag Ship Acquisition Corp | Shares | $4.7M | 434K | |
| Thayer Ventures Acq Corp Ii | Shares | $4.7M | 463K | |
| American Exceptionalism Acqu | Shares | $4.6M | 421K | |
| Jackson Acquisition Co Ii | Shares | $4.6M | 430K | |
| Nmp Acquisition Corp | Shares | $4.5M | 445K | |
| Crown Resv Acquisition Corp | Shares | $4.5M | 452K | |
| Blue Acquisition Corp. | Shares | $4.5M | 442K | |
| Best Spac I Acquisition Corp | Shares | $4.5M | 438K | |
| Tge Value Creative Solutions | Shares | $4.4M | 447K | |
| Mountain Lake Acquisit Corp | Shares | $4.4M | 448K | |
| Aldabra 4 Lqdty Opp Veh Inc | Shares | $4.4M | 446K | |
| Wintergreen Acquisition Corp | Shares | $4.4M | 427K | |
| Procap Acquisition Corp | Shares | $4.4M | 428K | |
| Oxley Bridge Acq Ltd | Shares | $4.3M | 425K | |
| Silver Pegasus Acquisition C | Shares | $4.2M | 416K | |
| Uy Scuti Acquisition Corp. | Shares | $4.2M | 408K | |
| Quartzsea Acquisition Corp | Shares | $4.2M | 406K | |
| Cambridge Acquisition Corp | Shares | $4.2M | 425K | |
| Renatus Tactical Acquis | Shares | $4.2M | 404K | |
| United Acquisition Corp I | Shares | $4.1M | 423K | |
| Sc Ii Acquisition Corp | Shares | $4.1M | 413K | |
| Artius Ii Acquisition Inc | Shares | $4.1M | 397K |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.