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Equibles

CITADEL ADVISORS LLC

Position in WRB — Berkley W R Corp

CIK 1423053 MIAMI, FL
Back to WRB Full portfolio

Position in WRB

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$92,403,665
+$84,532,696 QoQ
Shares Held
1,394,141
+1142.0% QoQ
Ownership
0.374%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in WRB Over Time

Shares Held

Position Value (USD)

Derivatives in WRB

reported options exposure · as of Mar 31, 2026
CallValue
$2,803,644
CallShares
42,300
PutValue
$1,723,280
PutShares
26,000

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 Mar 31, 2026

CITADEL ADVISORS LLC holds $1,149,002,878 across 41 Insurance - Property & Casualty names. WRB ranks #2 (8.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 L
Loews Corp
 3,577,747 $381,888,714
2 WRB
Berkley W R Corp
This page 		1,394,141 $92,403,665
3 PGR
Progressive Corp/Oh/
 448,691 $88,948,503
4 CB
Chubb Ltd
 254,981 $83,105,957
5 TRV
Travelers Companies, Inc.
 257,231 $75,029,137
6 ALL
Allstate Corp
 279,522 $57,956,091
7 LMND
Lemonade, Inc.
 781,816 $49,004,226
8 AFG
American Financial Group Inc
 303,967 $38,819,624

All Filings in WRB

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,723,280 26,000
2026-03-31 $92,403,665 1,394,141
2026-03-31 $2,803,644 42,300
2025-12-31 $7,870,969 112,250
2025-12-31 $1,914,276 27,300
2025-12-31 $1,142,956 16,300
2025-09-30 $6,819,638 89,006
2025-09-30 $2,421,192 31,600
2025-09-30 $1,294,878 16,900
2025-06-30 $1,337,226 18,201
2025-06-30 $2,343,693 31,900
2025-06-30 $1,836,750 25,000
2025-03-31 $633,324 8,900
2025-03-31 $5,298,288 74,456
2025-03-31 $4,305,180 60,500
2024-12-31 $2,124,276 36,300
2024-12-31 $21,498,843 367,376
2024-12-31 $2,165,240 37,000
2024-09-30 $1,809,687 31,900
2024-09-30 $4,399,411 77,550
2024-06-30 $916,767 17,500
2024-06-30 $2,357,401 45,000
2024-06-30 $24,191,811 461,793
2024-03-31 $560,120 9,500
2024-03-31 $2,588,344 43,900
2023-12-31 $1,470,977 31,200
2023-12-31 $1,136,235 24,100
2023-12-31 $1,721,043 36,504
2023-09-30 $29,920,870 706,903
2023-09-30 $846,534 20,000
2023-09-30 $554,479 13,100
2023-06-30 $627,365 15,800
2023-06-30 $647,219 16,300
2023-06-30 $58,941,617 1,484,425
2023-03-31 $518,833 12,500
2023-03-31 $37,192,119 896,051
2023-03-31 $813,531 19,600
2022-12-31 $1,432,048 29,600
2022-12-31 $275,766 5,700
2022-12-31 $38,225,618 790,112
2022-09-30 $154,991 3,600
2022-09-30 $41,672,838 967,936
2022-09-30 $372,411 8,650
2022-06-30 $395,908 8,700
2022-06-30 $11,964,394 262,915
2022-03-31 $512,742 11,550
2022-03-31 $23,101,474 520,382
2021-12-31 $29,795,463 813,688
2021-12-31 $351,530 9,600
2021-12-31 $98,868 2,700

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