AI Portfolio Summary
In 2025 Q4, BERKLEY W R CORP maintained a portfolio of 323 distinct positions. The most significant new addition to the portfolio was PROGRESSIVE CORP, which now represents 1.15% of the total fund value. They heavily accumulated shares in ENTERPRISE PRODUCTS , increasing their position by 13.8%. Conversely, BERKLEY W R CORP completely exited their position in VISTEON CORP.
Total Positions
323
Quarter
2025 Q4
Top Holding
EPD (10.3%)
Top 10 Concentration
44.4%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
1-25 of 323
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
EPD
ENTERPRISE PROD...
|
Energy | 10.30% | 10.81% |
#1
Prev: #1
|
8.0 | 825,000 | 13.8% |
P
S
|
6,825,000 | $218,809,500 | 2021 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ET
ENERGY TRANSFER...
|
Energy | 6.40% | 7.17% |
#2
Prev: #2
|
6.1 | 1,000,000 | 13.8% |
P
S
|
8,250,000 | $136,042,500 | 2019 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NVDA
PUT
NVIDIA CORPORAT...
|
PUT Option | 3.89% | 1.07% |
#4
17
Prev: #21
|
5.1 | 343,600 | 345.3% |
P
S
|
443,100 | $82,638,150 | 2024 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NVDA
NVIDIA CORPORAT...
|
Technology | 3.89% | 1.07% |
#3
17
Prev: #20
|
5.6 | 343,600 | 345.3% |
P
S
|
443,100 | $82,638,150 | 2024 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
KMI
KINDER MORGAN I...
|
Energy | 3.67% | 4.63% |
#5
Prev: #5
|
3.0 | no change | no change |
P
S
|
2,837,206 | $77,994,793 | 2020 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MSFT
PUT
MICROSOFT CORP
|
PUT Option | 3.47% | 1.49% |
#6
10
Prev: #16
|
4.4 | 102,800 | 206.4% |
P
S
|
152,600 | $73,800,412 | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MSFT
MICROSOFT CORP
|
Technology | 3.47% | 1.49% |
#7
10
Prev: #17
|
4.4 | 102,800 | 206.4% |
P
S
|
152,600 | $73,800,412 | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GOOGL
PUT
ALPHABET INC
|
PUT Option | 3.23% | 0.00% |
#9
206
Prev: #215
|
4.3 | 219,300 | 219300.0% |
P
S
|
219,400 | $68,672,200 | 2017 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GOOGL
ALPHABET INC
|
Communication Services | 3.23% | 0.00% |
#8
206
Prev: #214
|
4.3 | 219,300 | 219300.0% |
P
S
|
219,400 | $68,672,200 | 2017 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TSLA
TESLA INC
|
Consumer Cyclical | 2.82% | 2.55% |
#11
3
Prev: #8
|
3.6 | 33,900 | 34.1% |
P
S
|
133,300 | $59,947,676 | 2024 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TSLA
PUT
TESLA INC
|
PUT Option | 2.82% | 2.55% |
#10
3
Prev: #7
|
3.6 | 33,900 | 34.1% |
P
S
|
133,300 | $59,947,676 | 2024 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PAA
PLAINS ALL AMER...
|
Energy | 2.27% | 1.89% |
#12
2
Prev: #14
|
3.4 | 757,505 | 39.3% |
P
S
|
2,684,307 | $48,210,154 | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ON
ON SEMICONDUCTO...
|
Technology | 1.86% | 2.08% |
#13
4
Prev: #9
|
1.7 | no change | no change |
P
S
|
731,118 | $39,590,040 | 2022 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
WES
WESTERN MIDSTRE...
|
Bond/Debt | 1.65% | 2.01% |
#14
2
Prev: #12
|
1.7 | no change | no change |
P
S
|
887,163 | $35,042,939 | 2021 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AAM
AA MISSION ACQU...
|
Financial Services | 1.62% | 1.96% |
#15
2
Prev: #13
|
1.6 | no change | no change |
P
S
|
3,230,319 | $34,467,504 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ANSC
AGRICULTURE & N...
|
Financial Services | 1.33% | 2.04% |
#16
5
Prev: #11
|
0.5 | -723,375 | -22.3% |
P
S
|
2,525,578 | $28,261,218 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EQV
EQV VENTURES AC...
|
Unknown | 1.27% | 0.43% |
#17
27
Prev: #44
|
3.5 | 1,855,982 | 258.4% |
P
S
|
2,574,165 | $27,002,991 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GBLI
GLOBAL INDEMNIT...
|
Financial Services | 1.23% | 1.54% |
#18
3
Prev: #15
|
1.5 | no change | no change |
P
S
|
919,661 | $26,118,372 | 2022 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PGR
PROGRESSIVE COR...
|
Financial Services | 1.15% | — |
#19
Prev: #—
|
4.0 | 107,589 | no change |
NEW
|
107,589 | $24,500,167 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NFLX
PUT
NETFLIX INC
|
PUT Option | 1.10% | — |
#21
Prev: #—
|
3.9 | 249,000 | no change |
NEW
|
249,000 | $23,346,240 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NFLX
NETFLIX INC
|
ETF | 1.10% | — |
#20
Prev: #—
|
3.9 | 249,000 | no change |
NEW
|
249,000 | $23,346,240 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
HYAC
HAYMAKER ACQUIS...
|
Financial Services | 1.05% | 1.10% |
#22
3
Prev: #19
|
2.4 | 284,195 | 16.9% |
P
S
|
1,964,207 | $22,352,676 | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VACH
VOYAGER ACQUISI...
|
Financial Services | 0.90% | 0.75% |
#23
4
Prev: #27
|
2.9 | 567,861 | 46.1% |
P
S
|
1,800,824 | $19,214,792 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
EQV VENTURES AC...
|
—
|
Unknown | 0.87% | 1.02% |
#24
2
Prev: #22
|
0.8 | 79,633 | 4.5% |
P
S
|
1,851,475 | $18,570,294 | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
N/A
KOCHAV DEFENSE ...
|
—
|
Unknown | 0.80% | 0.84% |
#25
1
Prev: #24
|
2.3 | 229,562 | 15.8% |
P
S
|
1,686,575 | $17,101,870 | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
VC
VISTEON CORP
|
Consumer Cyclical | 0.00% | 2.76% |
Sold All 😨
(Was: #6) |
0.0 | -400,200 | -100.0% |
CLOSED
|
— | $— | 2019 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
OZK
BANK OZK LITTLE...
|
Financial Services | 0.00% | 2.07% |
Sold All 😨
(Was: #10) |
0.0 | -703,000 | -100.0% |
CLOSED
|
— | $— | 2024 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NTR
NUTRIEN LTD
|
Basic Materials | 0.00% | 1.48% |
Sold All 😨
(Was: #18) |
0.0 | -437,080 | -100.0% |
CLOSED
|
— | $— | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NETD
NABORS ENERGY T...
|
Financial Services | 0.00% | 0.88% |
Sold All 😨
(Was: #23) |
0.0 | -1,356,330 | -100.0% |
CLOSED
|
— | $— | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GOOG
ALPHABET INC
|
Communication Services | 0.00% | 0.84% |
Sold All 😨
(Was: #25) |
0.0 | -59,800 | -100.0% |
CLOSED
|
— | $— | 2023 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GOOG
PUT
ALPHABET INC
|
PUT Option | 0.00% | 0.84% |
Sold All 😨
(Was: #26) |
0.0 | -59,800 | -100.0% |
CLOSED
|
— | $— | 2023 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ASPC
A SPAC III ACQU...
|
Financial Services | 0.00% | 0.37% |
Sold All 😨
(Was: #54) |
0.0 | -615,149 | -100.0% |
CLOSED
|
— | $— | 2025 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
CHENGHE ACQUISI...
|
—
|
Unknown | 0.00% | 0.30% |
Sold All 😨
(Was: #63) |
0.0 | -521,010 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
AFJK
AIMEI HEALTH TE...
|
Financial Services | 0.00% | 0.29% |
Sold All 😨
(Was: #64) |
0.0 | -450,655 | -100.0% |
CLOSED
|
— | $— | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
GOPRO INC
|
—
|
Bond/Debt | 0.00% | 0.29% |
Sold All 😨
(Was: #68) |
0.0 | -4,973,000 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
N/A
REDFIN CORP
|
—
|
Bond/Debt | 0.00% | 0.28% |
Sold All 😨
(Was: #69) |
0.0 | -4,974,000 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
N/A
DRUGS MADE IN A...
|
—
|
Unknown | 0.00% | 0.28% |
Sold All 😨
(Was: #70) |
0.0 | -496,100 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
IBAC
IB ACQUISITION ...
|
Financial Services | 0.00% | 0.25% |
Sold All 😨
(Was: #79) |
0.0 | -405,289 | -100.0% |
CLOSED
|
— | $— | 2024 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
GALATA ACQUISIT...
|
—
|
Unknown | 0.00% | 0.21% |
Sold All 😨
(Was: #90) |
0.0 | -371,961 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
GSRT
GSR III ACQUISI...
|
Financial Services | 0.00% | 0.21% |
Sold All 😨
(Was: #94) |
0.0 | -343,707 | -100.0% |
CLOSED
|
— | $— | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
COLUMBUS CIRCLE...
|
—
|
Unknown | 0.00% | 0.18% |
Sold All 😨
(Was: #103) |
0.0 | -311,213 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
N/A
GSR IV ACQUISIT...
|
—
|
Unknown | 0.00% | 0.17% |
Sold All 😨
(Was: #108) |
0.0 | -297,599 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
N/A
EMMIS ACQUISITI...
|
—
|
Unknown | 0.00% | 0.17% |
Sold All 😨
(Was: #111) |
0.0 | -297,660 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
N/A
CHURCHILL CAPIT...
|
—
|
Unknown | 0.00% | 0.17% |
Sold All 😨
(Was: #112) |
0.0 | -230,512 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
ATMV
ALPHAVEST ACQUI...
|
Financial Services | 0.00% | 0.16% |
Sold All 😨
(Was: #114) |
0.0 | -233,745 | -100.0% |
CLOSED
|
— | $— | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
TRAILBLAZER ACQ...
|
—
|
Unknown | 0.00% | 0.15% |
Sold All 😨
(Was: #117) |
0.0 | -261,008 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
HOND
HCM II ACQUISIT...
|
Unknown | 0.00% | 0.15% |
Sold All 😨
(Was: #119) |
0.0 | -160,672 | -100.0% |
CLOSED
|
— | $— | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
HSPO
HORIZON SPACE A...
|
Financial Services | 0.00% | 0.15% |
Sold All 😨
(Was: #123) |
0.0 | -205,129 | -100.0% |
CLOSED
|
— | $— | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
M3 BRIGADE ACQU...
|
—
|
Unknown | 0.00% | 0.14% |
Sold All 😨
(Was: #126) |
0.0 | -242,245 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
ATMC
ALPHATIME ACQUI...
|
Financial Services | 0.00% | 0.12% |
Sold All 😨
(Was: #140) |
0.0 | -170,992 | -100.0% |
CLOSED
|
— | $— | 2023 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
SPRING VALLEY A...
|
—
|
Unknown | 0.00% | 0.12% |
Sold All 😨
(Was: #141) |
0.0 | -198,401 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
N/A
HIGHVIEW MERGER...
|
—
|
Unknown | 0.00% | 0.12% |
Sold All 😨
(Was: #144) |
0.0 | -198,360 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
N/A
OTG ACQUISITION...
|
—
|
Unknown | 0.00% | 0.10% |
Sold All 😨
(Was: #152) |
0.0 | -173,740 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
N/A
QUANTUMSPHERE A...
|
—
|
Unknown | 0.00% | 0.09% |
Sold All 😨
(Was: #155) |
0.0 | -148,770 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
N/A
BTC DEVELOPMENT...
|
—
|
Unknown | 0.00% | 0.09% |
Sold All 😨
(Was: #156) |
0.0 | -148,816 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
N/A
FUTURECREST ACQ...
|
—
|
Unknown | 0.00% | 0.06% |
Sold All 😨
(Was: #163) |
0.0 | -99,220 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
N/A
BAIN CAPITAL GS...
|
—
|
Unknown | 0.00% | 0.06% |
Sold All 😨
(Was: #166) |
0.0 | -100,210 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
WLAC
WILLOW LANE ACQ...
|
Financial Services | 0.00% | 0.05% |
Sold All 😨
(Was: #171) |
0.0 | -69,417 | -100.0% |
CLOSED
|
— | $— | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
STONEBRIDGE ACQ...
|
—
|
Unknown | 0.00% | 0.04% |
Sold All 😨
(Was: #173) |
0.0 | -64,486 | -100.0% |
CLOSED
|
— | $— | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
NOEM
CO2 ENERGY TRAN...
|
Financial Services | 0.00% | 0.04% |
Sold All 😨
(Was: #174) |
0.0 | -59,823 | -100.0% |
CLOSED
|
— | $— | 2025 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EMCG
EMBRACE CHANGE ...
|
Unknown | 0.00% | 0.03% |
Sold All 😨
(Was: #175) |
0.0 | -41,971 | -100.0% |
CLOSED
|
— | $— | 2022 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PCSC
PERCEPTIVE CAPI...
|
Financial Services | 0.00% | 0.01% |
Sold All 😨
(Was: #177) |
0.0 | -15,913 | -100.0% |
CLOSED
|
— | $— | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EMCGW
EMBRACE CHANGE ...
|
Unknown | 0.00% | 0.00% |
Sold All 😨
(Was: #235) |
0.0 | -37,000 | -100.0% |
CLOSED
|
— | $— | 2022 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) |
Showing 1-25 of 323 holdings