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MILLENNIUM MANAGEMENT LLC

Position in WRB — Berkley W R Corp

CIK 1273087 NEW YORK, NY

Position in WRB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$66,029,621
+$35,592,056 QoQ
Shares Held
936,192
+103.9% QoQ
Ownership
0.252%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#46
of 947 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in WRB Over Time

Shares Held

Position Value (USD)

Derivatives in WRB

reported options exposure · as of Dec 31, 2024
CallValue
$403,788
CallShares
6,900
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Insurance - Property & Casualty

Financial Services · as of Jun 30, 2026

MILLENNIUM MANAGEMENT LLC holds $644,804,096 across 39 Insurance - Property & Casualty names. WRB ranks #2 (10.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 WRB
Berkley W R Corp
This page
936,192 $66,029,621

All Filings in WRB

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32 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $66,029,621 936,192
2026-03-31 $30,437,565 459,227
2025-12-31 $2,470,958 35,239
2025-09-30 $1,657,137 21,628
2025-06-30 $4,542,943 61,834
2025-03-31 $10,660,977 149,817
2024-12-31 $53,023,216 906,070
2024-12-31 $403,788 6,900
2024-09-30 $51,319,432 904,626
2024-06-30 $1,397,310 17,782
2024-03-31 $442,200 5,000
2024-03-31 $539,484 6,100
2024-03-31 $13,008,462 147,088
2023-12-31 $431,392 6,100
2023-12-31 $1,951,873 27,600
2023-12-31 $6,909,914 97,708
2023-09-30 $61,746,740 972,542
2023-09-30 $1,434,875 22,600
2023-06-30 $111,436,555 1,870,995
2023-03-31 $183,102,199 2,940,926
2022-12-31 $39,553,552 545,040
2022-09-30 $12,524,635 193,940
2022-06-30 $95,172,052 1,394,257
2022-03-31 $60,103,422 902,590
2021-12-31 $111,657,467 1,355,230
2021-09-30 $20,492,786 280,033
2021-06-30 $66,665,015 895,674
2021-03-31 $10,199,153 135,357
2020-12-31 $47,584,284 716,415
2020-09-30 $16,822,623 275,104
2020-06-30 $53,724,796 937,770
2020-03-31 $13,807,958 264,672