Filed: 8/14/2026ACC: 0000899140-26-000887
📋 What this filing means
BERKLEY W R CORP filed this quarterly 13F‑HR report disclosing 337 equity positions with a total reported market value of $2.10B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
337
Positions
$2.10B
Total AUM (reported)
137.80M
Total Shares
Allocation by class
COM$729.52M34.8%
ORD SHS CL A$266.87M12.7%
SHS CL A$216.00M10.3%
COM UT LTD PTN$157.74M7.5%
USD CL A ORD SHS$117.68M5.6%
ORD SHS$96.84M4.6%
CL A ORD SHS$90.87M4.3%
Portfolio Concentration
Top 3$520.09M24.8%
4–10$415.53M19.8%
11–25$296.53M14.1%
Rest$865.18M41.3%
Top 3 weight
24.8%
Top 10 weight
44.6%
Voting Authority Distribution
Total shares with voting rights: 137.80M
Sole
Full voting authority
137.80M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole337
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings337
Rows:
ENTERPRISE PRODS PARTNERS L
SOLEShares6.83M
TypeSH
Market value$250.89M
11.96%
Sole
6.83M
Shared
0.00
None
0.00
ENERGY TRANSFER L P
SOLEShares8.25M
TypeSH
Market value$157.74M
7.52%
Sole
8.25M
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares298.80K
TypeSH
Market value$111.46M
5.31%
Sole
298.80K
Shared
0.00
None
0.00
KINDER MORGAN INC DEL
SOLEShares2.84M
TypeSH
Market value$90.71M
4.32%
Sole
2.84M
Shared
0.00
None
0.00
PLAINS ALL AMERN PIPELINE L
SOLEShares3.18M
TypeSH
Market value$70.88M
3.38%
Sole
3.18M
Shared
0.00
None
0.00
ON SEMICONDUCTOR CORP
SOLEShares731.12K
TypeSH
Market value$69.12M
3.30%
Sole
731.12K
Shared
0.00
None
0.00
NVIDIA CORPORATION
SOLEShares249.60K
TypeSH
Market value$49.94M
2.38%
Sole
249.60K
Shared
0.00
None
0.00
TAIWAN SEMICONDUCTOR MANUFAC
SOLEShares99.40K
TypeSH
Market value$47.47M
2.26%
Sole
99.40K
Shared
0.00
None
0.00
PROGRESSIVE CORP
SOLEShares207.59K
TypeSH
Market value$45.35M
2.16%
Sole
207.59K
Shared
0.00
None
0.00
TESLA INC
SOLEShares100K
TypeSH
Market value$42.06M
2.01%
Sole
100K
Shared
0.00
None
0.00
AGRICULTURE & NAT SOL ACQ CO
SOLEShares3.27M
TypeSH
Market value$37.06M
1.77%
Sole
3.27M
Shared
0.00
None
0.00
ROMAN DBDR ACQUISITION CORP
SOLEShares2.28M
TypeSH
Market value$24.00M
1.14%
Sole
2.28M
Shared
0.00
None
0.00
AMAZON COM INC
SOLEShares100K
TypeSH
Market value$23.83M
1.14%
Sole
100K
Shared
0.00
None
0.00
PFIZER INC
SOLEShares965.54K
TypeSH
Market value$23.25M
1.11%
Sole
965.54K
Shared
0.00
None
0.00
INFLECTION PT ACQUISITION CO
SOLEShares2.21M
TypeSH
Market value$22.82M
1.09%
Sole
2.21M
Shared
0.00
None
0.00
SILVERBOX CORP IV
SOLEShares1.93M
TypeSH
Market value$20.86M
0.99%
Sole
1.93M
Shared
0.00
None
0.00
EQV VENTURES AC CORP. II
SOLEShares1.88M
TypeSH
Market value$19.15M
0.91%
Sole
1.88M
Shared
0.00
None
0.00
LAUNCH ONE ACQUISITION CORP
SOLEShares1.68M
TypeSH
Market value$18.19M
0.87%
Sole
1.68M
Shared
0.00
None
0.00
KOCHAV DEFENSE ACQUI CO
SOLEShares1.69M
TypeSH
Market value$17.53M
0.84%
Sole
1.69M
Shared
0.00
None
0.00
YORKVILLE ACQUISITION CORP.
SOLEShares1.65M
TypeSH
Market value$16.80M
0.80%
Sole
1.65M
Shared
0.00
None
0.00
GLOBA TERRA ACQUISITION COR
SOLEShares1.56M
TypeSH
Market value$16.09M
0.77%
Sole
1.56M
Shared
0.00
None
0.00
M3BRIGADE ACQUISITION V CORP
SOLEShares1.43M
TypeSH
Market value$15.48M
0.74%
Sole
1.43M
Shared
0.00
None
0.00
CANTOR EQUITY PARTNERS I INC
SOLEShares1.44M
TypeSH
Market value$15.36M
0.73%
Sole
1.44M
Shared
0.00
None
0.00
ST JOE CO
SOLEShares209.54K
TypeSH
Market value$13.12M
0.63%
Sole
209.54K
Shared
0.00
None
0.00
GIGCAPITAL8 CORP
SOLEShares1.29M
TypeSH
Market value$12.97M
0.62%
Sole
1.29M
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
ENTERPRISE PRODS PARTNERS LSOLE | COM | 6.83M | SH | $250.89M 11.96% | 6.83M | 0.00 | 0.00 |
ENERGY TRANSFER L PSOLE | COM UT LTD PTN | 8.25M | SH | $157.74M 7.52% | 8.25M | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 298.80K | SH | $111.46M 5.31% | 298.80K | 0.00 | 0.00 |
KINDER MORGAN INC DELSOLE | COM | 2.84M | SH | $90.71M 4.32% | 2.84M | 0.00 | 0.00 |
PLAINS ALL AMERN PIPELINE LSOLE | UNIT LTD PARTN | 3.18M | SH | $70.88M 3.38% | 3.18M | 0.00 | 0.00 |
ON SEMICONDUCTOR CORPSOLE | COM | 731.12K | SH | $69.12M 3.30% | 731.12K | 0.00 | 0.00 |
NVIDIA CORPORATIONSOLE | COM | 249.60K | SH | $49.94M 2.38% | 249.60K | 0.00 | 0.00 |
TAIWAN SEMICONDUCTOR MANUFACSOLE | SPONSORED ADS | 99.40K | SH | $47.47M 2.26% | 99.40K | 0.00 | 0.00 |
PROGRESSIVE CORPSOLE | COM | 207.59K | SH | $45.35M 2.16% | 207.59K | 0.00 | 0.00 |
TESLA INCSOLE | COM | 100K | SH | $42.06M 2.01% | 100K | 0.00 | 0.00 |
AGRICULTURE & NAT SOL ACQ COSOLE | SHS CL A | 3.27M | SH | $37.06M 1.77% | 3.27M | 0.00 | 0.00 |
ROMAN DBDR ACQUISITION CORPSOLE | ORD SHS CL A | 2.28M | SH | $24.00M 1.14% | 2.28M | 0.00 | 0.00 |
AMAZON COM INCSOLE | COM | 100K | SH | $23.83M 1.14% | 100K | 0.00 | 0.00 |
PFIZER INCSOLE | COM | 965.54K | SH | $23.25M 1.11% | 965.54K | 0.00 | 0.00 |
INFLECTION PT ACQUISITION COSOLE | CL A ORD SHS | 2.21M | SH | $22.82M 1.09% | 2.21M | 0.00 | 0.00 |
SILVERBOX CORP IVSOLE | SHS CL A | 1.93M | SH | $20.86M 0.99% | 1.93M | 0.00 | 0.00 |
EQV VENTURES AC CORP. IISOLE | ORD SHS CL A | 1.88M | SH | $19.15M 0.91% | 1.88M | 0.00 | 0.00 |
LAUNCH ONE ACQUISITION CORPSOLE | SHS CLASS A | 1.68M | SH | $18.19M 0.87% | 1.68M | 0.00 | 0.00 |
KOCHAV DEFENSE ACQUI COSOLE | SHS CL A | 1.69M | SH | $17.53M 0.84% | 1.69M | 0.00 | 0.00 |
YORKVILLE ACQUISITION CORP.SOLE | SHS CL A | 1.65M | SH | $16.80M 0.80% | 1.65M | 0.00 | 0.00 |
GLOBA TERRA ACQUISITION CORSOLE | CL A ORD SHS | 1.56M | SH | $16.09M 0.77% | 1.56M | 0.00 | 0.00 |
M3BRIGADE ACQUISITION V CORPSOLE | CL A | 1.43M | SH | $15.48M 0.74% | 1.43M | 0.00 | 0.00 |
CANTOR EQUITY PARTNERS I INCSOLE | SHS CL A | 1.44M | SH | $15.36M 0.73% | 1.44M | 0.00 | 0.00 |
ST JOE COSOLE | COM | 209.54K | SH | $13.12M 0.63% | 209.54K | 0.00 | 0.00 |
GIGCAPITAL8 CORPSOLE | ORD CL A | 1.29M | SH | $12.97M 0.62% | 1.29M | 0.00 | 0.00 |
Page 1 of 14
…