Berkley W R Corp 13F holdings
Berkley W R Corp reported 271 positions with a total reported value of $2.0B as of 2026-06-30, in its 13F for Q2 2026, filed 2026-08-24. Top holdings by reported value: EPD ENTERPRISE PRODS PARTNERS L (12.3%), ET ENERGY TRANSFER L P (7.7%), KMI KINDER MORGAN INC DEL (4.4%), PAA PLAINS ALL AMERN PIPELINE L (3.5%), ON ON SEMICONDUCTOR CORP (3.4%). Against 2026-03-31 it opened 52 new positions and exited 22. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
25 largest of 271 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| EPD ENTERPRISE PRODS PARTNERS L | 6,825,000 | $250.9M | 12.3% |
| ET ENERGY TRANSFER L P | 8,250,000 | $157.7M | 7.7% |
| KMI KINDER MORGAN INC DEL | 2,837,206 | $90.7M | 4.4% |
| PAA PLAINS ALL AMERN PIPELINE L | 3,184,307 | $70.9M | 3.5% |
| ON ON SEMICONDUCTOR CORP | 731,118 | $69.1M | 3.4% |
| MSFT MICROSOFT CORP | 149,400 | $55.7M | 2.7% |
| WES WESTERN MIDSTREAM PARTNERS | 1,266,970 | $55.4M | 2.7% |
| PGR PROGRESSIVE CORP | 207,589 | $45.3M | 2.2% |
| AGRICULTURE & NAT SOL ACQ CO | 3,265,181 | $37.1M | 1.8% |
| NVDA NVIDIA CORPORATION | 124,800 | $25.0M | 1.2% |
| DRDB ROMAN DBDR ACQUISITION CORP | 2,276,587 | $24.0M | 1.2% |
| TSM TAIWAN SEMICONDUCTOR MANUFAC | 49,700 | $23.7M | 1.2% |
| PFE PFIZER INC | 965,537 | $23.3M | 1.1% |
| GBLI GLOBAL INDEMNITY GROUP LLC | 919,661 | $23.0M | 1.1% |
| IPCX INFLECTION PT ACQUISITION CO | 2,211,677 | $22.8M | 1.1% |
| TSLA TESLA INC | 50,000 | $21.0M | 1.0% |
| SBXDF SILVERBOX CORP IV | 1,930,127 | $20.9M | 1.0% |
| EVAC EQV VENTURES AC CORP. II | 1,880,883 | $19.1M | 0.9% |
| LPAAU LAUNCH ONE ACQUISITION CORP | 1,675,043 | $18.2M | 0.9% |
| KCHV KOCHAV DEFENSE ACQUI CO | 1,690,352 | $17.5M | 0.9% |
| MCGA YORKVILLE ACQUISITION CORP. | 1,685,246 | $16.8M | 0.8% |
| GTERA GLOBA TERRA ACQUISITION COR | 1,561,028 | $16.1M | 0.8% |
| M3BRIGADE ACQUISITION V CORP | 1,429,725 | $15.5M | 0.8% |
| CEPO CANTOR EQUITY PARTNERS I INC | 1,444,647 | $15.4M | 0.8% |
| JOE ST JOE CO | 209,542 | $13.1M | 0.6% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 52 in all · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| MSFT MICROSOFT CORP | 149,400 | $55.7M | 2.7% |
| NVDA NVIDIA CORPORATION | 124,800 | $25.0M | 1.2% |
| TSM TAIWAN SEMICONDUCTOR MANUFAC | 49,700 | $23.7M | 1.2% |
| PFE PFIZER INC | 965,537 | $23.3M | 1.1% |
| TSLA TESLA INC | 50,000 | $21.0M | 1.0% |
| AMZN AMAZON COM INC | 50,000 | $11.9M | 0.6% |
| COLLECTIVE ACQUISITION CORP | 683,778 | $7.1M | 0.3% |
| OCAC OCEAN CAP ACQUISITION CORP | 556,013 | $5.7M | 0.3% |
| BREZ BREEZE ACQUISITION CORP II | 557,070 | $5.5M | 0.3% |
| QLEP QUANTUM LEAP ACQUISITION COR | 993,200 | $5.0M | 0.2% |
| OHAC OCEANHAWK ACQUISITION CORP | 472,530 | $4.7M | 0.2% |
| SAGU SHREYA ACQUISITION GROUP | 447,352 | $4.4M | 0.2% |
| ATLQ JAB ACQUISITION CORP I | 397,720 | $4.0M | 0.2% |
| GSRV GSR V ACQUISITION CORP | 387,193 | $3.9M | 0.2% |
| KENSINGTON CAP ACQUISITION | 372,790 | $3.1M | 0.2% |
| MTNE CH4 NATURAL SOLUTIONS CORP | 446,940 | $3.0M | 0.1% |
| ARCL ARC GROUP ACQUISITION I CORP | 285,833 | $2.8M | 0.1% |
| SHOT RMG ML SPORTS HOLDINGS | 273,433 | $2.7M | 0.1% |
| IDAC IRON DOME ACQUISITION I CORP | 256,800 | $2.6M | 0.1% |
| GHXI GORES HOLDINGS XI INC | 248,552 | $2.5M | 0.1% |
| APMC AMPERCAP ACQUISITION CO | 247,605 | $2.5M | 0.1% |
| MCAH MOUNTAIN CREST ACQUISITION 6 | 248,540 | $2.5M | 0.1% |
| APUR APERTURE AC | 228,779 | $2.3M | 0.1% |
| CGCF CARTESIAN GROWTH CORP IV | 225,000 | $2.2M | 0.1% |
| IACQ IRENIC ACQUISITION CORP | 263,652 | $2.0M | <0.1% |
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 22 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| HAYMAKER ACQUISITION CORP IV | 2,321,633 | $26.7M | 1.4% |
| CANTOR EQUITY PARTNERS III I | 2,229,948 | $23.0M | 1.2% |
| MOUNTAIN LAKE ACQUISITION CO | 1,877,833 | $19.8M | 1.1% |
| GIGCAPITAL7 CORP | 1,775,076 | $18.5M | 1.0% |
| LEGATO MERGER CORP III | 1,466,215 | $16.1M | 0.9% |
| VOYAGER ACQUISITION CORP | 1,363,573 | $13.9M | 0.7% |
| ALFUU CENTURION ACQUISITION CORP | 1,157,544 | $12.5M | 0.7% |
| SIMAU SIM ACQUISITION CORP. I | 912,286 | $9.8M | 0.5% |
| VINE HILL CAP INVT CORP. | 661,663 | $7.1M | 0.4% |
| DUNE ACQUISITION CORP II | 810,423 | $6.8M | 0.4% |
| LIVE OAK ACQUISITION CORP V | 647,661 | $6.7M | 0.4% |
| BLUE ACQUISITION CORP. | 573,501 | $4.5M | 0.2% |
| CARTESIAN GROWTH CORP III | 488,984 | $4.1M | 0.2% |
| FVN FUTURE VISION II ACQUISITION | 371,104 | $4.0M | 0.2% |
| A PARADISE ACQUISITION CORP | 306,725 | $3.1M | 0.2% |
| KENSINGTON CAP ACQUIST CORP | 298,232 | $3.0M | 0.2% |
| BCARU D. BORAL ARC ACQ I CORP. | 226,854 | $2.3M | 0.1% |
| ATII ARCHIMEDES TECH SPAC PARTNER | 208,065 | $2.2M | 0.1% |
| OAK WOODS ACQUISITION CORP | 151,237 | $1.8M | <0.1% |
| CHURCHILL CAP CORP XI | 185,064 | $1.7M | <0.1% |
| SIGI SELECTIVE INS GROUP INC | 5,100 | $384.5K | <0.1% |
| HSPOF HORIZON SPACE ACQUISITION II | 53,846 | $11.8K | <0.1% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| PAA PLAINS ALL AMERN PIPELINE L | 2,684,307 | 3,184,307 | +18.6% | $70.9M |
| FACT FACT II ACQUISITION CORP | 325,445 | 1,153,140 | +254.3% | $12.3M |
| AGRICULTURE & NAT SOL ACQ CO | 2,626,532 | 3,265,181 | +24.3% | $37.1M |
| QSEA QUARTZSEA ACQUISITION CORP | 405,549 | 1,094,190 | +169.8% | $11.5M |
| CRAC CROWN RESV ACQUISITION CORP | 593,510 | 1,334,181 | +124.8% | $12.3M |
| NEW PROVIDENCE ACQUISITION C | 645,429 | 1,179,542 | +82.8% | $12.2M |
| JACS JACKSON ACQUISITION CO II | 430,362 | 927,836 | +115.6% | $9.9M |
| GTERA GLOBA TERRA ACQUISITION COR | 1,062,185 | 1,561,028 | +47.0% | $16.1M |
| M3BRIGADE ACQUISITION V CORP | 963,675 | 1,429,725 | +48.4% | $15.5M |
| DRDB ROMAN DBDR ACQUISITION CORP | 1,800,830 | 2,276,587 | +26.4% | $24.0M |
| IPCX INFLECTION PT ACQUISITION CO | 1,769,623 | 2,211,677 | +25.0% | $22.8M |
| SBXDF SILVERBOX CORP IV | 1,514,573 | 1,930,127 | +27.4% | $20.9M |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| CHURCHILL CAPITAL CORP IX | 1,810,437 | 104,360 | -94.2% | $1.1M |
| CUB LIONHEART HOLDINGS | 1,013,170 | 245,567 | -75.8% | $2.2M |
| PGAC PANTAGES CAPITAL ACQUISITION | 874,411 | 248,616 | -71.6% | $2.6M |
| TACO BERTO ACQUISITION CORP | 1,822,598 | 1,225,999 | -32.7% | $12.9M |
| KCHV KOCHAV DEFENSE ACQUI CO | 2,079,047 | 1,690,352 | -18.7% | $17.5M |
| GPAT GP-ACT III ACQUISITION CORP | 846,823 | 497,064 | -41.3% | $5.4M |
| GIW GIGCAPITAL8 CORP | 1,627,881 | 1,289,470 | -20.8% | $13.0M |
| GIX GIGCAPITAL9 CORP | 1,764,862 | 1,282,431 | -27.3% | $8.9M |
| EVAC EQV VENTURES AC CORP. II | 2,194,001 | 1,880,883 | -14.3% | $19.1M |
| XFLH XFLH CAP CORP | 1,068,809 | 721,683 | -32.5% | $5.7M |
| FG MERGER II CORP | 316,028 | 61,244 | -80.6% | $634.5K |
| IRHO IRON HORSE ACQUISIT II CORP | 495,700 | 247,850 | -50.0% | $2.5M |
CIK 11544 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
