1y return+7.7%S&P 500 +20.9%
3y return+23.0%S&P 500 +68.5%
5y return+36.8%S&P 500 +74.5%
These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.
$100 invested in its stock picks
Since December 31, 2019: $186 against $232 in the S&P 500.2
Berkley W R CorpS&P 500 (SPY)
Top holdings
At the end of June 30, 2026. Change is in shares since the quarter before.2
| Stock | Value | Share of portfolio | Change |
|---|---|---|---|
| EPDEnterprise Prods Partners L | $250.9M | 12.3% | |
| ETEnergy Transfer L P | $157.7M | 7.7% | |
| KMIKinder Morgan Inc Del | $90.7M | 4.4% | |
| PAAPlains All Amern Pipeline L | $70.9M | 3.5% | +18.6% |
| ONOn Semiconductor Corp | $69.1M | 3.4% | |
| MSFTMicrosoft Corp | $55.7M | 2.7% | New |
| WESWestern Midstream Partners | $55.4M | 2.7% | |
| PGRProgressive Corp | $45.3M | 2.2% | |
| Agriculture & Nat Sol Acq CoCUSIP G0131Y100 | $37.1M | 1.8% | +24.3% |
| NVDANvidia Corporation | $25.0M | 1.2% | New |
| Roman Dbdr Acquisition CorpCUSIP G7633M104 | $24.0M | 1.2% | +26.4% |
| TSMTaiwan Semiconductor Manufac | $23.7M | 1.2% | New |
| PFEPfizer Inc | $23.3M | 1.1% | New |
| GBLIGlobal Indemnity Group LLC | $23.0M | 1.1% | |
| Inflection Pt Acquisition CoCUSIP G47875102 | $22.8M | 1.1% | +25.0% |
| TSLATesla Inc | $21.0M | 1.0% | New |
| Silverbox Corp IvCUSIP G81354105 | $20.9M | 1.0% | +27.4% |
| Eqv Ventures Ac Corp. IICUSIP G3106Q102 | $19.1M | 0.9% | +1.6% |
| Launch One Acquisition CorpCUSIP G5S86M100 | $18.2M | 0.9% | +12.6% |
| Kochav Defense Acqui CoCUSIP G5304D106 | $17.5M | 0.9% | |
| Yorkville Acquisition Corp.CUSIP G98659116 | $16.8M | 0.8% | |
| Globa Terra Acquisition CorCUSIP G3933N116 | $16.1M | 0.8% | +47.0% |
| M3brigade Acquisition V CorpCUSIP G63212107 | $15.5M | 0.8% | +48.4% |
| Cantor Equity Partners I IncCUSIP G1827K107 | $15.4M | 0.8% | +18.2% |
| JOESt Joe Co | $13.1M | 0.6% |
Best picks still held
How each current holding has done since the quarter it first appeared in its filings (up to six years back).
| Stock | Held since | Return since | Now worth |
|---|---|---|---|
| KMIKinder Morgan Inc Del | December 31, 2020 | +133.9% | $90.7M |
| ETEnergy Transfer L P | September 30, 2021 | +99.6% | $157.7M |
| ONOn Semiconductor Corp | June 30, 2022 | +87.9% | $69.1M |
| EPDEnterprise Prods Partners L | September 30, 2021 | +69.9% | $250.9M |
| JOESt Joe Co | December 31, 2024 | +39.4% | $13.1M |
| PAAPlains All Amern Pipeline L | September 30, 2025 | +30.5% | $70.9M |
| WESWestern Midstream Partners | September 30, 2025 | +11.4% | $55.4M |
| Agriculture & Nat Sol Acq CoCUSIP G0131Y100 | September 30, 2024 | +10.3% | $37.1M |
| Launch One Acquisition CorpCUSIP G5S86M100 | September 30, 2024 | +8.6% | $18.2M |
| Charlton Aria Acquisition CoCUSIP G9877L107 | December 31, 2024 | +8.4% | $9.5M |
Sold off last quarter
- Haymaker Acquisition Corp IvCUSIP G4375F108 was $26.7M
- Cantor Equity Partners III ICUSIP G1828A108 was $23.0M
- Mountain Lake Acquisition CoCUSIP G6301B101 was $19.8M
- Gigcapital7 CorpCUSIP G38648104 was $18.5M
- Legato Merger Corp IIICUSIP G5451A103 was $16.1M
- Voyager Acquisition CorpCUSIP G93A7H104 was $13.9M
- Centurion Acquisition CorpCUSIP G20315100 was $12.5M
- Sim Acquisition Corp. ICUSIP G8431T101 was $9.8M
- Vine Hill Cap Invt Corp.CUSIP G93Y09107 was $7.1M
- Live Oak Acquisition Corp VCUSIP G5509P102 was $6.7M
Quarter by quarter
| Quarter | Its picks | S&P 500 |
|---|---|---|
| June 30, 2026 | +1.6% | +14.8% |
| March 31, 2026 | +3.2% | −4.6% |
| December 31, 2025 | +0.9% | +2.4% |
| September 30, 2025 | +1.8% | +7.8% |
| June 30, 2025 | +6.8% | +10.5% |
| March 31, 2025 | −4.2% | −4.6% |
| December 31, 2024 | +4.5% | +2.1% |
| September 30, 2024 | +0.8% | +5.4% |
| June 30, 2024 | −0.1% | +4.0% |
| March 31, 2024 | +3.4% | +10.0% |
| December 31, 2023 | +2.9% | +11.2% |
| September 30, 2023 | −0.3% | −3.6% |
| June 30, 2023 | +2.9% | +8.3% |
| March 31, 2023 | +2.6% | +7.0% |
| December 31, 2022 | +5.7% | +7.1% |
| September 30, 2022 | −1.6% | −5.3% |
| June 30, 2022 | −5.2% | −16.5% |
| March 31, 2022 | +5.8% | −4.9% |
| December 31, 2021 | +2.5% | +10.7% |
| September 30, 2021 | −1.5% | +0.3% |
Sources
Every number on this page points here. Each one links to the public record.
- 1SEC EDGAR: Berkley W R Corp Form 13F filingshttps://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=11544&type=13F-HR&dateb=&owner=include&count=40CIK 11544
- 2SEC: 13F for the quarter ended June 30, 2026https://www.sec.gov/Archives/edgar/data/11544/000089914026000887/Filed August 14, 2026 · accession 0000899140-26-000887