BERKLEY W R CORP
Long book
$1.86B
Q1 2026
Positions
345
Top-10 weight
43%
concentration
Last quarter
+1.5%
SPY +14.8%
Turnover
44%
of book per quarter
Strategy in plain words
auto-generated from filingsBERKLEY W R CORP is a diversified fundamental manager, running a $1.86B US long book across 345 positions.
The portfolio is moderately concentrated (top 10 ≈ 43% of the book). The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: ENTERPRISE PRODUCTS PARTNERS, ENERGY TRANSFER LP, KINDER MORGAN INC, PLAINS ALL AMER PIPELINE LP, WESTERN MIDSTREAM PARTNERS L.
Over the last 9 quarters its long book ran on average 1.9pp per quarter behind the S&P 500, beating the index in 4 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+1.2%
Q2 2024
+1.9%
Q3 2024
+5.5%
Q4 2024
-3.8%
Q1 2025
+7.8%
Q2 2025
+2.3%
Q3 2025
+3.1%
Q4 2025
+4.2%
Q1 2026
+1.5%
Sector allocation
Financials 52%
Utilities 34%
Technology 5%
Energy 3%
Other 3%
Services media 1%
Real estate 1%
Communications 1%
Long book by quarter
What does BERKLEY W own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| EPD ENTERPRISE PRODUCTS PARTNERS | Utilities | 6.8M | $258.3M | 13.9% | Held |
| ET ENERGY TRANSFER LP | Utilities | 8.3M | $159.2M | 8.6% | Held |
| KMI KINDER MORGAN INC | Utilities | 2.8M | $95.1M | 5.1% | Held |
| PAA PLAINS ALL AMER PIPELINE LP | Energy | 2.7M | $59.9M | 3.2% | Held |
| WES WESTERN MIDSTREAM PARTNERS L | Utilities | 1.3M | $52.2M | 2.8% | +42.8% |
| ON ON SEMICONDUCTOR | Technology | 731.1K | $45.3M | 2.4% | Held |
| PGR PROGRESSIVE CORP | Financials | 207.6K | $41.2M | 2.2% | +92.9% |
| ANSC AGRICULTURE & NATURAL SOLUTI | Financials | 2.6M | $29.7M | 1.6% | +4.0% |
| HYAC HAYMAKER ACQUISITION CORP 4 | — | 2.3M | $26.7M | 1.4% | +18.2% |
| GBLI GLOBAL INDEMNITY GROUP LLC-A | Financials | 919.7K | $25.0M | 1.3% | Held |
| CAEP CANTOR EQUITY PARTNERS III-A | — | 2.2M | $23.0M | 1.2% | +111.7% |
| CCIX CHURCHILL CAPITAL CORP IX | Technology | 1.8M | $19.3M | 1.0% | +93.4% |
| DRDB ROMAN DBDR ACQUISITION CORP | Financials | 1.8M | $18.9M | 1.0% | +572.9% |
| TACO BERTO ACQUISITION CORP | Financials | 1.8M | $18.7M | 1.0% | +77.9% |
| EVAC EQV VENTURES ACQUISITION C-A | Financials | 1.9M | $18.7M | 1.0% | Held |
| HDRN HADRON ENERGY INC | Utilities | 1.7M | $18.5M | 1.0% | +309.8% |
| IPCX INFLECTION POINT ACQUISITI-A | Financials | 1.8M | $18.1M | 1.0% | +49.4% |
| KCHV KOCHAV DEFENSE ACQUISITION-A | Financials | 1.7M | $17.3M | 0.9% | +0.2% |
| MCGA YORKVILLE ACQUISITION CORP-A | Financials | 1.6M | $16.6M | 0.9% | +329.3% |
| SBXD SILVERBOX CORP IV-A | Financials | 1.5M | $16.2M | 0.9% | +25.0% |
| LPAA LAUNCH ONE ACQUISITION CORP | Financials | 1.5M | $15.9M | 0.9% | +4.5% |
| JOE ST JOE CO/THE | Real estate | 209.5K | $13.2M | 0.7% | Held |
| GIW GIGCAPITAL8 CORP-A | Financials | 1.3M | $12.9M | 0.7% | Held |
| CEPO CANTOR EQUITY PARTNERS I-A | Financials | 1.2M | $12.8M | 0.7% | +26.0% |
| XRPN ARMADA ACQUISITION -CLASS A | Financials | 1.2M | $12.7M | 0.7% | +123.5% |
| ALF CENTURION ACQUISITION CORP | Financials | 1.2M | $12.5M | 0.7% | +376.0% |
| KFII K&F GROWTH ACQUISITION COR-A | Financials | 1.1M | $11.2M | 0.6% | +10.2% |
| GTERA GLOBA TERRA ACQUISITION CO-A | Financials | 1.1M | $10.9M | 0.6% | +19.8% |
| MACI MELAR ACQUISITION CORP I-A | Services media | 999.0K | $10.8M | 0.6% | +15.0% |
| COPL COPLEY ACQUISITION CORP-A | Financials | 1.0M | $10.6M | 0.6% | +10.7% |
| MBAV M3-BRIGADE ACQUISITION V-A | Financials | 963.7K | $10.3M | 0.6% | -3.3% |
| IPEX INFLECTION POINT ACQUISITION | Financials | 981.1K | $10.2M | 0.5% | +29.4% |
| CUB LIONHEART HOLDINGS - CL A | Financials | 917.0K | $9.9M | 0.5% | +45.1% |
| FGII FG IMPERII ACQUISITION-CL A | Financials | 992.1K | $9.8M | 0.5% | New |
| SIMA SIM ACQUISITION CORP I-A | Financials | 912.3K | $9.8M | 0.5% | +74.9% |
| CHAR CHARLTON ARIA ACQUISITI-CL A | Financials | 879.0K | $9.3M | 0.5% | +19.4% |
| GPAT GP-ACT III ACQUISITION-A | Financials | 846.8K | $9.2M | 0.5% | +171.2% |
| PGAC PANTAGES CAPITAL ACQUISITION | Financials | 874.4K | $9.2M | 0.5% | +50.3% |
| XSLL XSOLLA SPAC 1-CL A | Financials | 920.2K | $9.0M | 0.5% | New |
| SOUL SOULPOWER ACQUISITION CO-A | Financials | 866.8K | $8.9M | 0.5% | +149.6% |
| GIX GIGCAPITAL9 CORP-CL A | Financials | 882.4K | $8.7M | 0.5% | New |
| LPBB LAUNCH TWO ACQUISITION- CL A | Financials | 816.7K | $8.7M | 0.5% | +33.4% |
| PLMK PLUM ACQUISITION CORP IV | Financials | 804.2K | $8.5M | 0.5% | +4.6% |
| RFAI RF ACQUISITION CORP II | Financials | 766.4K | $8.4M | 0.4% | +157.3% |
| DYNC DYNAMIX CORP | Financials | 790.5K | $8.3M | 0.4% | +65.9% |
| CEPV CANTOR EQUITY PARTNERS-CL A | Financials | 793.0K | $8.0M | 0.4% | Held |
| VZ VERIZON COMMUNICATIONS INC | Communications | 157.7K | $7.9M | 0.4% | Held |
| PTOR PRAETORIAN ACQUISITION COR-A | Financials | 795.7K | $7.8M | 0.4% | New |
| DAAQ DIGITAL ASSET ACQUISITI-CL A | Financials | 761.3K | $7.8M | 0.4% | New |
| HVII HENNESSY CAPITAL INVESTMENT | Utilities | 728.7K | $7.5M | 0.4% | +52.4% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 345 | $1.86B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 13, 2026 | 285 | $2.13B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 235 | $1.74B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 227 | $1.91B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 158 | $1.71B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 154 | $2.52B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 153 | $1.76B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 153 | $2.38B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 155 | $1.80B | canonical | SEC ↗ |
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