BERKLEY W R CORP
Filing Date
Global Rank
#1,288
/ 8,622
▼ 61
· as of Mar 2026
Top Industry
Shell Companies
54.6%
3Y Alpha vs SPY
-7.7%
Period ended 4 months ago
Filed May 15, 2026 · 2mo
25 quarters · since Mar 2020
Clone Performance
Jul 2023–Jul 2026 · vs SPYHypothetical growth of buying every stock this filer reported holding, rebalancing on each filing and indexed to the same start. Option positions cannot be bought this way and are left out.
Cloned portfolio
+37.2%
SPY
+67.9%
Annualised alpha
-7.7%
Max drawdown
−20.8%
Estimate. 13F holdings are quarter-lagged, so the clone rebalances about 45 days after each period end — when the filing becomes public — and it excludes option and short positions. It tracks 87% of reported value on average across 13 quarters. Past performance does not predict future results.
Portfolio Concentration
208 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
14.5%
+3.5 pts
Top 5
35.1%
−5.5 pts
Top 10
44.5%
−12.8 pts
HHI
387
Diversified−50
Portfolio Trend
25 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Financial Services | 57.7% | $1,026,717,315 |
| Energy | 35.1% | $624,716,246 |
| Technology | 2.5% | $45,270,826 |
| Unclassified | 1.8% | $32,833,122 |
| Industrials | 1.3% | $22,923,996 |
| Real Estate | 0.7% | $13,159,237 |
| Communication Services | 0.4% | $7,914,833 |
| Consumer Cyclical | 0.2% | $3,191,882 |
| Consumer Defensive | 0.2% | $3,119,393 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increased
25 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| DRDB | Roman DBDR Acquisition Corp. II | +1,533,196 | 1,800,830 | $18,854,690 | |
| MLAC | Mountain Lake Acquisition Corp. | +1,515,300 | 1,877,833 | $19,773,581 | |
| HDRN | Hadron Energy, Inc. | +1,312,087 | 1,735,682 | $18,485,013 | |
| MCGA | Yorkville Acquisition Corp. | +1,262,223 | 1,645,570 | $16,636,712 | |
| CAEP | Cantor Equity Partners III, Inc. | +1,176,710 | 2,229,948 | $22,990,763 | |
| LEGT | Legato Merger Corp. III | +1,147,470 | 1,466,215 | $16,113,702 | |
| ALF | Centurion Acquisition Corp. | +914,380 | 1,157,544 | $12,455,173 | |
| CCIX | Churchill Capital Corp IX/Cayman | +874,256 | 1,810,437 | $19,335,467 | |
| TACO | Berto Acquisition Corp. | +797,864 | 1,822,598 | $18,681,629 | |
| XRPN | Armada Acquisition Corp. II | +681,754 | 1,233,735 | $12,719,807 | |
| IPCX | Inflection Point Acquisition Corp. III | +585,430 | 1,769,623 | $18,076,698 | |
| GPAT | GP-Act III Acquisition Corp. | +534,533 | 846,823 | $9,179,561 | |
| SOUL | Soulpower Acquisition Corp. | +519,434 | 866,764 | $8,884,331 | |
| VCIC | Vine Hill Capital Investment Corp. | +495,413 | 661,663 | $7,278,293 | |
| RFAI | RF Acquisition Corp II | +468,547 | 766,425 | $8,354,032 | |
| SIMA | SIM Acquisition Corp. I | +390,768 | 912,286 | $9,779,705 | |
| WES | Western Midstream Partners, LP | +379,807 | 1,266,970 | $52,161,154 | |
| HYAC | Haymaker Acquisition Corp. 4 | +357,426 | 2,321,633 | $26,791,644 | |
| DYNC | Dynamix Corp | +314,051 | 790,503 | $8,276,566 | |
| SBXD | SilverBox Corp IV | +302,899 | 1,514,573 | $16,205,931 | |
| PGAC | PANTAGES CAPITAL ACQUISITION Corp | +292,546 | 874,411 | $9,163,827 | |
| CUB | Lionheart Holdings | +285,106 | 916,973 | $9,866,629 | |
| TMS | Teamshares Inc | +270,469 | 647,661 | $6,735,674 | |
| CEPO | Cantor Equity Partners I, Inc. | +251,910 | 1,222,437 | $12,835,588 | |
| HVII | Hennessy Capital Investment Corp. VII | +250,490 | 728,659 | $7,541,620 | |
| No positions match the current search. | |||||
Trimmed
Positions the filer reduced
11 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| KVAC | Keen Vision Acquisition Corp. | −649,375 | 99,997 | $1,199,964 | |
| VACH | Voyager Acquisition Corp./Cayman Islands | −497,241 | 1,303,583 | $15,656,031 | |
| CAPN | Cayson Acquisition Corp | −266,020 | 497,282 | $5,470,102 | |
| RIBB | Ribbon Acquisition Corp. | −165,015 | 297,589 | $3,127,660 | |
| GFUZ | General Fusion Group Ltd. | −158,723 | 39,676 | $403,108 | |
| COLA | Columbus Acquisition Corp/Cayman Islands | −154,772 | 250,259 | $2,627,719 | |
| EGHA | EGH Acquisition Corp. | −41,763 | 107,037 | $1,092,847 | |
| CEPT | Cantor Equity Partners II, Inc. | −36,345 | 27,672 | $301,348 | |
| VLOS | Velos Acquisition I Corp. | −32,603 | 963,675 | $10,349,869 | |
| TVA | Texas Ventures Acquisition III Corp | −26,500 | 64,694 | $672,170 | |
| ATII | Archimedes Tech SPAC Partners II Co. | −20,141 | 208,065 | $2,165,956 | |
| No positions match the current search. | |||||
New Positions
Positions the filer opened this quarter
25 positions
| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| FGII | FG Imperii Acquisition Corp. | 992,100 | $9,821,790 | |
| XSLL | Xsolla SPAC 1 | 920,190 | $9,045,467 | |
| GIX | GigCapital9 Corp. | 882,431 | $8,674,296 | |
| PTOR | Praetorian Acquisition Corp. | 795,690 | $7,797,762 | |
| DAAQ | Digital Asset Acquisition Corp. | 761,331 | $7,796,029 | |
| ZKP | Lafayette Digital Acquisition Corp. I | 646,456 | $6,374,056 | |
| KTWO | K2 Capital Acquisition Corp | 596,880 | $5,891,205 | |
| SSAC | SPACSphere Acquisition Corp. | 573,350 | $5,676,165 | |
| XFLH | XFLH Capital Corp | 571,683 | $5,642,511 | |
| GPAC | General Purpose Acquisition Corp. | 518,564 | $5,138,969 | |
| MLAA | Mountain Lake Acquisition Corp. II | 447,794 | $4,410,770 | |
| ALOV | Aldabra 4 Liquidity Opportunity Vehicle, Inc. | 446,445 | $4,388,554 | |
| CAQ | Cambridge Acquisition Corp. | 424,998 | $4,194,730 | |
| UAC | United Acquisition Corp. I | 422,792 | $4,143,361 | |
| SCII | SC II Acquisition Corp. | 412,893 | $4,116,543 | |
| DBCA | D. Boral Acquisition I Corp. | 397,720 | $3,921,519 | |
| AEAQ | Activate Energy Acquisition Corp. | 347,036 | $3,432,186 | |
| RFAM | RF Acquisition Corp III | 333,057 | $3,260,628 | |
| CLBR | Colombier Acquisition Corp. III | 298,440 | $3,002,306 | |
| HCIC | Hennessy Capital Investment Corp. VIII | 298,440 | $2,933,665 | |
| BIII | Black Spade Acquisition III Co | 273,849 | $2,694,674 | |
| IEAG | Infinite Eagle Acquisition Corp. | 265,211 | $2,652,110 | |
| SVIV | Spring Valley Acquisition Corp. IV | 250,000 | $2,467,500 | |
| CRAN | Crane Harbor Acquisition Corp. II | 247,775 | $2,455,450 | |
| MUZE | Muzero Acquisition Corp | 248,700 | $2,452,182 | |
| No positions match the current search. | ||||
Sold Out
Positions the filer fully exited
12 positions
| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| NVDA | Nvidia Corp | 886,200 | $165,276,300 | |
| MSFT | Microsoft Corp | 305,200 | $147,600,824 | |
| GOOGL | Alphabet Inc. | 438,800 | $137,344,400 | |
| TSLA | Tesla, Inc. | 266,600 | $119,895,352 | |
| NFLX | Netflix Inc | 498,000 | $46,692,480 | |
| AMZN | Amazon Com Inc | 139,200 | $32,130,144 | |
| CRM | Salesforce, Inc. | 103,800 | $27,497,658 | |
| FTW | PRESIDIO PRODUCTION Co | 2,574,165 | $27,002,990 | |
| HSPT | Horizon Space Acquisition II Corp. | 722,015 | $7,613,648 | |
| PELI | Pelican Acquisition Corp | 578,199 | $5,869,298 | |
| RDAC | Rising Dragon Acquisition Corp. | 234,886 | $2,306,580 | |
| TBMC | Trailblazer Merger Corp I | 43,243 | $576,083 | |
| No positions match the current search. | ||||
208 positions ·
$1,779,846,850 total
· as of Mar 31, 2026
All sectors
Communication Services
Consumer Cyclical
Consumer Defensive
Energy
Financial Services
Industrials
Real Estate
Technology
Showing 1–50
of 208 positions by value
· page 1 of 5
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| EPD |
Enterprise Products Partners L.P.
Energy
|
Held | 6,825,000 | $258,258,000 | 14.51% | |
| ET |
Energy Transfer LP
Energy
|
Held | 8,250,000 | $159,225,000 | 8.95% | |
| KMI |
Kinder Morgan, Inc.
Energy
|
Held | 2,837,206 | $95,131,517 | 5.34% | |
| PAA |
Plains All American Pipeline LP
Energy
|
Held | 2,684,307 | $59,940,575 | 3.37% | |
| WES |
Western Midstream Partners, LP
Energy
|
Added | 1,266,970 | $52,161,154 | 2.93% | |
| ON |
On Semiconductor Corp
Technology
|
Held | 731,118 | $45,270,826 | 2.54% | |
| PGR |
Progressive Corp/Oh/
Financial Services
|
Added | 207,589 | $41,152,443 | 2.31% | |
| ANSC |
Agriculture & Natural Solutions Acquisition Corp
Financial Services
|
Added | 2,626,532 | $29,653,546 | 1.67% | |
| HYAC |
Haymaker Acquisition Corp. 4
Financial Services
|
Added | 2,321,633 | $26,791,644 | 1.51% | |
| GBLI |
Global Indemnity Group, LLC
Financial Services
|
Held | 919,661 | $25,042,369 | 1.41% | |
| CAEP |
Cantor Equity Partners III, Inc.
Financial Services
|
Added | 2,229,948 | $22,990,763 | 1.29% | |
| MLAC |
Mountain Lake Acquisition Corp.
|
Added | 1,877,833 | $19,773,581 | 1.11% | |
| CCIX |
Churchill Capital Corp IX/Cayman
Financial Services
|
Added | 1,810,437 | $19,335,467 | 1.09% | |
| DRDB |
Roman DBDR Acquisition Corp. II
Financial Services
|
Added | 1,800,830 | $18,854,690 | 1.06% | |
| TACO |
Berto Acquisition Corp.
Financial Services
|
Added | 1,822,598 | $18,681,629 | 1.05% | |
| EVAC |
EQV Ventures Acquisition Corp. II
Financial Services
|
Held | 1,851,475 | $18,681,382 | 1.05% | |
| HDRN |
Hadron Energy, Inc.
Industrials
|
Added | 1,735,682 | $18,485,013 | 1.04% | |
| IPCX |
Inflection Point Acquisition Corp. III
Financial Services
|
Added | 1,769,623 | $18,076,698 | 1.02% | |
| KCHV |
Kochav Defense Acquisition Corp.
Financial Services
|
Added | 1,690,352 | $17,326,108 | 0.97% | |
| MCGA |
Yorkville Acquisition Corp.
Financial Services
|
Added | 1,645,570 | $16,636,712 | 0.93% | |
| SBXD |
SilverBox Corp IV
Financial Services
|
Added | 1,514,573 | $16,205,931 | 0.91% | |
| LEGT |
Legato Merger Corp. III
Financial Services
|
Added | 1,466,215 | $16,113,702 | 0.91% | |
| LPAA |
Launch One Acquisition Corp.
Financial Services
|
Added | 1,487,125 | $15,927,108 | 0.89% | |
| VACH |
Voyager Acquisition Corp./Cayman Islands
Financial Services
|
Reduced | 1,303,583 | $15,656,031 | 0.88% | |
| JOE |
ST JOE Co
Real Estate
|
Held | 209,542 | $13,159,237 | 0.74% | |
| GIW |
GigCapital8 Corp.
Financial Services
|
Held | 1,289,470 | $12,856,015 | 0.72% | |
| CEPO |
Cantor Equity Partners I, Inc.
Financial Services
|
Added | 1,222,437 | $12,835,588 | 0.72% | |
| XRPN |
Armada Acquisition Corp. II
Financial Services
|
Added | 1,233,735 | $12,719,807 | 0.71% | |
| ALF |
Centurion Acquisition Corp.
Financial Services
|
Added | 1,157,544 | $12,455,173 | 0.70% | |
| KFII |
K&F Growth Acquisition Corp. II
Financial Services
|
Added | 1,074,855 | $11,210,737 | 0.63% | |
| GTERA |
Globa Terra Acquisition Corp
Financial Services
|
Added | 1,062,185 | $10,844,908 | 0.61% | |
| MACI |
Melar Acquisition Corp. I/Cayman
Financial Services
|
Added | 998,963 | $10,758,831 | 0.60% | |
| COPL |
Copley Acquisition Corp
Financial Services
|
Added | 1,027,624 | $10,605,079 | 0.60% | |
| VLOS |
Velos Acquisition I Corp.
Financial Services
|
Reduced | 963,675 | $10,349,869 | 0.58% | |
| IPEX |
Inflection Point Acquisition Corp. V
Financial Services
|
Added | 981,096 | $10,203,398 | 0.57% | |
| CUB |
Lionheart Holdings
Financial Services
|
Added | 916,973 | $9,866,629 | 0.55% | |
| FGII |
FG Imperii Acquisition Corp.
Financial Services
|
NEW | 992,100 | $9,821,790 | 0.55% | |
| SIMA |
SIM Acquisition Corp. I
Financial Services
|
Added | 912,286 | $9,779,705 | 0.55% | |
| CHAR |
Charlton Aria Acquisition Corp
Financial Services
|
Added | 878,975 | $9,299,555 | 0.52% | |
| GPAT |
GP-Act III Acquisition Corp.
Financial Services
|
Added | 846,823 | $9,179,561 | 0.52% | |
| PGAC |
PANTAGES CAPITAL ACQUISITION Corp
Financial Services
|
Added | 874,411 | $9,163,827 | 0.51% | |
| XSLL |
Xsolla SPAC 1
Financial Services
|
NEW | 920,190 | $9,045,467 | 0.51% | |
| SOUL |
Soulpower Acquisition Corp.
Financial Services
|
Added | 866,764 | $8,884,331 | 0.50% | |
| GIX |
GigCapital9 Corp.
Financial Services
|
NEW | 882,431 | $8,674,296 | 0.49% | |
| LPBB |
Launch Two Acquisition Corp.
Financial Services
|
Added | 816,717 | $8,673,534 | 0.49% | |
| PLMK |
Plum Acquisition Corp, IV
Financial Services
|
Added | 804,192 | $8,492,267 | 0.48% | |
| RFAI |
RF Acquisition Corp II
Financial Services
|
Added | 766,425 | $8,354,032 | 0.47% | |
| DYNC |
Dynamix Corp
Financial Services
|
Added | 790,503 | $8,276,566 | 0.47% | |
| CEPV |
Cantor Equity Partners V, Inc.
Financial Services
|
Held | 792,962 | $8,008,916 | 0.45% | |
| VZ |
Verizon Communications Inc
Communication Services
|
Held | 157,666 | $7,914,833 | 0.44% |