Funds › W.R. Berkley Corporation
W.R. Berkley Corporation
13F for Q2 2026, filed Aug 24, 2026. 339 positions worth $2.2B.Managers with more than $100 million in US-listed stocks list their holdings each quarter, within 45 days of quarter end. Long positions only: no short sales or cash.
Latest report
Q2 2026
filed Aug 24, 2026
Reported value
$2.2B
+$314.4M (16.9%) vs Q1 2026
Positions
339
345 in Q1 2026
Top 10 share
39.4%
of reported value
CheckedEach line's price per share is checked against other managers' reports of the same stock. Unit mix-ups are corrected. Reports no fix can rescue are left out.
Clean
prices match other managers' reports
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Holdings, Q2 2026
Largest first. Common shares only; puts and calls are under All positions.
| # | The fund's own figures at the end of the quarter. A report can be up to 45 days old when it is filed. Options and bonds are not counted here. | Filing | ||||
|---|---|---|---|---|---|---|
| 1 | EPD Enterprise Products Partners L.P. | 6.83M | $250.9M | 11.5% | Unchanged | 13F ↗ |
| 2 | ET Energy Transfer LP · Com Ut Ltd Ptn | 8.25M | $157.7M | 7.2% | Unchanged | 13F ↗ |
| 3 | KMI Kinder Morgan, Inc. | 2.84M | $90.7M | 4.2% | Unchanged | 13F ↗ |
| 4 | PAA Plains All American Pipeline, L.P. · Units | 3.18M | $70.9M | 3.3% | +18.6% | 13F ↗ |
| 5 | ON ON Semiconductor Corporation | 731,118 | $69.1M | 3.2% | Unchanged | 13F ↗ |
| 6 | MSFT Microsoft Corporation | 149,400 | $55.7M | 2.6% | New | 13F ↗ |
| 7 | WES Western Midstream Partners, LP · Units | 1.27M | $55.4M | 2.5% | Unchanged | 13F ↗ |
| 8 | PGR Progressive Corporation | 207,589 | $45.3M | 2.1% | Unchanged | 13F ↗ |
| 9 | Agriculture & Nat Sol Acq Co | 3.27M | $37.1M | 1.7% | +24.3% | 13F ↗ |
| 10 | NVDA NVIDIA Corporation | 124,800 | $25.0M | 1.1% | New | 13F ↗ |
| 11 | DRDB Roman DBDR Acquisition Corp. II | 2.28M | $24.0M | 1.1% | +26.4% | 13F ↗ |
| 12 | TSM Taiwan Semiconductor Manufacturing Company Ltd. | 49,700 | $23.7M | 1.1% | New | 13F ↗ |
| 13 | PFE Pfizer, Inc. | 965,537 | $23.3M | 1.1% | New | 13F ↗ |
| 14 | GBLI Global Indemnity Group, LLC | 919,661 | $23.0M | 1.1% | Unchanged | 13F ↗ |
| 15 | Inflection Pt Acquisition Co | 2.21M | $22.8M | 1.0% | +25.0% | 13F ↗ |
| 16 | TSLA Tesla, Inc. | 50,000 | $21.0M | 1.0% | New | 13F ↗ |
| 17 | SBXDF SilverBox Corp IV | 1.93M | $20.9M | 1.0% | +27.4% | 13F ↗ |
| 18 | EVAC EQV Ventures Acquisition Corp. II | 1.88M | $19.1M | 0.9% | +1.6% | 13F ↗ |
| 19 | LPAA Launch One Acquisition Corp. | 1.68M | $18.2M | 0.8% | +12.6% | 13F ↗ |
| 20 | KCHV Kochav Defense Acquisition Corp. | 1.69M | $17.5M | 0.8% | Unchanged | 13F ↗ |
| 21 | MCGA Yorkville Acquisition Corp. | 1.65M | $16.8M | 0.8% | Unchanged | 13F ↗ |
| 22 | GTERA Globa Terra Acquisition Corporation | 1.56M | $16.1M | 0.7% | +47.0% | 13F ↗ |
| 23 | VLOS Velos Acquisition I Corp. | 1.43M | $15.5M | 0.7% | +48.4% | 13F ↗ |
| 24 | CEPO Cantor Equity Partners I, Inc. | 1.44M | $15.4M | 0.7% | +18.2% | 13F ↗ |
| 25 | JOE St. Joe Company | 209,542 | $13.1M | 0.6% | Unchanged | 13F ↗ |
| 26 | GIW GigCapital8 Corp. | 1.29M | $13.0M | 0.6% | Unchanged | 13F ↗ |
| 27 | TACO Berto Acquisition Corp. | 1.23M | $12.9M | 0.6% | -32.7% | 13F ↗ |
| 28 | Armada Acquisition Corp II | 1.23M | $12.9M | 0.6% | Unchanged | 13F ↗ |
| 29 | CRAC Crown Reserve Acquisition Corp. I | 1.22M | $12.3M | 0.6% | +170% | 13F ↗ |
| 30 | FACT FACT II Acquisition Corp. | 1.15M | $12.3M | 0.6% | +254% | 13F ↗ |
| 31 | NPAC New Providence Acquisition Corp. III | 1.18M | $12.2M | 0.6% | +82.8% | 13F ↗ |
| 32 | AMZN Amazon.com, Inc. | 50,000 | $11.9M | 0.5% | New | 13F ↗ |
| 33 | KFII K&F Growth Acquisition Corp. II | 1.12M | $11.9M | 0.5% | +4.6% | 13F ↗ |
| 34 | ONEN ONE Nuclear Energy Inc. | 1.10M | $11.5M | 0.5% | +51.2% | 13F ↗ |
| 35 | QSEA Quartzsea Acquisition Corporation | 1.09M | $11.5M | 0.5% | +170% | 13F ↗ |
| 36 | COPL Copley Acquisition Corp | 1.08M | $11.3M | 0.5% | +5.5% | 13F ↗ |
| 37 | Inflection Point Acqu Corp V | 1.06M | $11.1M | 0.5% | +8.1% | 13F ↗ |
| 38 | JACS Jackson Acquisition Company II | 927,836 | $9.9M | 0.5% | +116% | 13F ↗ |
| 39 | FGII FG Imperii Acquisition Corp. | 992,100 | $9.9M | 0.5% | Unchanged | 13F ↗ |
| 40 | CHAR Charlton Aria Acquisition Corporation | 878,975 | $9.5M | 0.4% | Unchanged | 13F ↗ |
| 41 | XSLL Xsolla SPAC 1 | 920,190 | $9.1M | 0.4% | Unchanged | 13F ↗ |
| 42 | LPBB Launch Two Acquisition Corp. | 847,934 | $9.1M | 0.4% | +3.8% | 13F ↗ |
| 43 | QUMS Quantumsphere Acquisition Corp. | 881,402 | $9.0M | 0.4% | +73.3% | 13F ↗ |
| 44 | RFAI RF Acquisition Corp II | 814,851 | $9.0M | 0.4% | +6.3% | 13F ↗ |
| 45 | SOUL Soulpower Acquisition Corporation | 866,764 | $9.0M | 0.4% | Unchanged | 13F ↗ |
| 46 | AEXA American Exceptionalism Acquisition Corp. A | 747,779 | $8.8M | 0.4% | +77.6% | 13F ↗ |
| 47 | GIX GigCapital9 Corp. | 882,431 | $8.8M | 0.4% | Unchanged | 13F ↗ |
| 48 | SZZL Sizzle Acquisition Corp. II | 843,448 | $8.7M | 0.4% | +113% | 13F ↗ |
| 49 | MACI Melar Acquisition Corp. I | 795,916 | $8.7M | 0.4% | -20.3% | 13F ↗ |
| 50 | SDHI Siddhi Acquisition Corp | 826,986 | $8.6M | 0.4% | +74.6% | 13F ↗ |
Showing the top 50 of 339 positions. Premium lists every position, plus puts and calls.
Changes since Q1 2026
85 new, 59 added to, 55 trimmed, 91 exited, 140 unchanged. By estimated dollars.
New positions (85)
| MSFT Microsoft Corporation | 149,400 | New | $55.7M |
| NVDA NVIDIA Corporation | 124,800 | New | $25.0M |
| TSM Taiwan Semiconductor Manufacturing Company Ltd. | 49,700 | New | $23.7M |
| PFE Pfizer, Inc. | 965,537 | New | $23.3M |
| TSLA Tesla, Inc. | 50,000 | New | $21.0M |
| AMZN Amazon.com, Inc. | 50,000 | New | $11.9M |
| Ocean Cap Acquisition Corp Units | 556,013 | New | $5.7M |
| BREZ Breeze Acquisition Corp. II | 557,070 | New | $5.5M |
| SUMA SUMA Acquisition Corporation | 546,810 | New | $5.4M |
| FMAC Future Money Acquisition Corporation | 540,732 | New | $5.4M |
Added to (59)
| PAA Plains All American Pipeline, L.P. · Units | 3.18M | +18.6% | $11.1M |
| FACT FACT II Acquisition Corp. | 1.15M | +254% | $8.8M |
| CRAC Crown Reserve Acquisition Corp. I | 1.22M | +170% | $7.7M |
| Agriculture & Nat Sol Acq Co | 3.27M | +24.3% | $7.2M |
| QSEA Quartzsea Acquisition Corporation | 1.09M | +170% | $7.2M |
| NPAC New Providence Acquisition Corp. III | 1.18M | +82.8% | $5.5M |
| JACS Jackson Acquisition Company II | 927,836 | +116% | $5.3M |
| GTERA Globa Terra Acquisition Corporation | 1.56M | +47.0% | $5.1M |
| VLOS Velos Acquisition I Corp. | 1.43M | +48.4% | $5.0M |
| DRDB Roman DBDR Acquisition Corp. II | 2.28M | +26.4% | $5.0M |
Trimmed (55)
| Churchill Capital Corp Ix | 104,360 | -94.2% | -$18.6M |
| CUB Lionheart Holdings | 198,776 | -78.3% | -$7.7M |
| PGAC Pantages Capital Acquisition Corporation | 248,616 | -71.6% | -$6.6M |
| TACO Berto Acquisition Corp. | 1.23M | -32.7% | -$6.3M |
| GPAT GP-Act III Acquisition Corp. | 497,064 | -41.3% | -$3.8M |
| Fg Merger II Corp | 61,244 | -80.6% | -$2.6M |
| MACI Melar Acquisition Corp. I | 795,916 | -20.3% | -$2.2M |
| Bleichroeder Acquisiti Corp | 49,282 | -78.4% | -$1.8M |
| TONT Graf Global Corp. | 223,937 | -26.1% | -$857.5K |
| RANG Range Capital Acquisition Corp. | 497,293 | -13.8% | -$852.1K |
Exited (91)
| Haymaker Acquisition | 2.32M | Exited | -$26.7M |
| Cantor Equity Partners Iii-A | 2.23M | Exited | -$23.0M |
| Mountain Lake Acquisition-A | 1.88M | Exited | -$19.8M |
| GIGCAPITAL7 Corp | 1.74M | Exited | -$18.5M |
| Legato Merger Corp III | 1.47M | Exited | -$16.1M |
| Voyager Acquisition Corp | 1.30M | Exited | -$13.9M |
| ALF Centurion Acquisition Corp. | 1.16M | Exited | -$12.5M |
| SIMA SIM Acquisition Corp. I | 912,286 | Exited | -$9.8M |
| Vine Hill Cap Invt Corp | 661,663 | Exited | -$7.1M |
| Live Oak Acquisition Corp V | 647,661 | Exited | -$6.7M |
The 10 largest of each, by estimated dollars: shares changed times the later report's price. Index tracking, splits and mergers move positions too.
All positions
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Reported value by quarter
Value and number of positions at the end of each quarter.
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Largest positions in earlier quarters
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Ten largest positions
By value, Q2 2026.
Filings
| Filing | ||||||
|---|---|---|---|---|---|---|
| Q2 2026 | Aug 24, 2026 | 13F-HR/A (new holdings) | 2 | $78.4M | Current | SEC ↗ |
| Q2 2026 | Aug 14, 2026 | 13F-HR | 342 | $2.1B | Current | SEC ↗ |
| Q1 2026 | May 15, 2026 | 13F-HR | 345 | $1.9B | Current | SEC ↗ |
| Q4 2025 | Feb 13, 2026 | 13F-HR | 285 | $2.1B | Current | SEC ↗ |
| Q3 2025 | Nov 14, 2025 | 13F-HR | 235 | $1.7B | Current | SEC ↗ |
| Q2 2025 | Aug 14, 2025 | 13F-HR | 227 | $1.9B | Current | SEC ↗ |
| Q1 2025 | May 15, 2025 | 13F-HR | 158 | $1.7B | Current | SEC ↗ |
Most recent first, up to 80. An amendment can replace a report or add holdings to it. All 13F filings
Information, not investment advice. Values are the fund's own figures at quarter end; a report can be up to 45 days old when filed. Disclaimer