Ticker · CUSIP 084423102

WRB

BERKLEY W R CORP
Financial Services·Insurance - Property & Casualty
···Share
Holders (tracked)
15
Combined shares
9,209,699
Combined value
$615.79M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
15172024Q12025Q4

SEC event timeline

26 events
  1. Bruce Berkowitz (Fairholme) trimmed2026-02-17
    −1,300 shares · 2025Q4
    13F
  2. Ken Griffin (Citadel Advisors) added2026-02-17
    +23,244 shares · 2025Q4
    13F
  3. D.E. Shaw & Co. exited2026-02-17
    −2,764 shares · 2025Q4
    13F
  4. Two Sigma Investments trimmed2026-02-17
    −2,471 shares · 2025Q4
    13F
  5. Izzy Englander (Millennium Mgmt) added2026-02-17
    +13,611 shares · 2025Q4
    13F
  6. Steve Cohen (Point72) exited2026-02-17
    −79,089 shares · 2025Q4
    13F
  7. T. Rowe Price trimmed2026-02-17
    −10,572 shares · 2025Q4
    13F
  8. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +75,015 shares · 2025Q4
    13F
  9. Wellington Management exited2026-02-17
    −43,339 shares · 2025Q4
    13F
  10. AQR Capital Management added2026-02-17
    +80,128 shares · 2025Q4
    13F
  11. Norges Bank (Norway SWF) opened position2026-02-10
    +6,214,380 shares · 2025Q4
    13F
  12. Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09
    −1,248 shares · 2025Q4
    13F
  13. Mario Gabelli (GAMCO) added2026-02-05
    +5,065 shares · 2025Q4
    13F
  14. Two Sigma Investments added2025-11-14
    +15,556 shares · 2025Q3
    13F
  15. D.E. Shaw & Co. trimmed2025-11-14
    −397 shares · 2025Q3
    13F
  16. Boykin Curry (Eagle Capital) trimmed2025-11-14
    −66 shares · 2025Q3
    13F
  17. AQR Capital Management trimmed2025-11-14
    −138,660 shares · 2025Q3
    13F
  18. Steve Cohen (Point72) opened position2025-11-14
    +79,089 shares · 2025Q3
    13F
  19. T. Rowe Price added2025-11-14
    +2,088 shares · 2025Q3
    13F
  20. Wellington Management trimmed2025-11-14
    −100,582 shares · 2025Q3
    13F
  21. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −40,206 shares · 2025Q3
    13F
  22. Norges Bank (Norway SWF) exited2025-11-13
    −5,007,772 shares · 2025Q3
    13F
  23. Renaissance Technologies exited2025-11-13
    −44,766 shares · 2025Q3
    13F
  24. Mario Gabelli (GAMCO) trimmed2025-11-12
    −4,502 shares · 2025Q3
    13F
  25. Norges Bank (Norway SWF) added2025-11-12
    +1,104,775 shares · 2024Q3
    13F
  26. Ken Fisher (Fisher Asset Mgmt) added2025-11-12
    +1,353 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for WRB →

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions2
Added to4
Trimmed4
Exited3

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
17
$173.89B
2022Q2
18
$173.16B
2022Q3
19
$168.2M
2022Q4
20
$1.73B
2023Q1
18
$1.45B
2023Q2
19
$1.48B
2023Q3
17
$1.27B
2023Q4
15
$1.45B
2024Q1
17
$1.82B
2024Q2
17
$1.72B
2024Q3
16
$499.7M
2024Q4
16
$492.2M
2025Q1
16
$218.0M
2025Q2
16
$564.2M
2025Q3
15
$191.4M
2025Q4
15
$615.8M
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2026-03-18Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2026-01-20Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2026-01-06Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2025-10-31Lisa McClainSell$1K – $15KPDF ↗
2025-10-30Lisa McClainSell$1K – $15KPDF ↗
2025-10-30Lisa McClainBuy$1K – $15KPDF ↗
2025-07-31Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2025-07-16Lisa McClainBuy$1K – $15KPDF ↗
2025-04-28Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2025-04-14Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2025-04-07Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2025-04-01Gilbert CisnerosSell (P)$1K – $15KPDF ↗

Who owns WRB

15 super-investors · 2025Q4
Tracked stake
9.21M
shares
Combined value
$616M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added6Trim4Held2
#ManagerSharesValue
1Norges Bank
Norway SWF
6.21M$436M
2AQR Capital Management1.73M$121M
3Bruce Berkowitz
Fairholme
260.1K$18M
4Boykin Curry
Eagle Capital
123.5K$9M
5Ken Griffin
Citadel Advisors
112.3K$8M
6Mario Gabelli
GAMCO
92.6K$6M
7Paul Tudor Jones
Tudor Investment
75.0K$5M
8Tom Gayner
Markel Group
60.8K$4M
9Izzy Englander
Millennium Mgmt
35.2K$2M
10Ken Griffin
Citadel Advisors
27.3K$2M
11Two Sigma Investments26.6K$2M
12Ken Griffin
Citadel Advisors
16.3K$1M
13Paul Tudor Jones
Tudor Investment
4.6K$323K
14Ken Fisher
Fisher Asset Mgmt
3.8K$265K
15T. Rowe Price428.2K$30K

Recent moves

20 transactions
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