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Equibles

SEI INVESTMENTS CO

Position in WTM — White Mountains Insurance Group Ltd

CIK 350894 OAKS, PA
Back to WTM Full portfolio

Position in WTM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$16,811,044
-$7,570,817 QoQ
Shares Held
8,108
-26.9% QoQ
Ownership
0.340%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#48
of 354 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in WTM Over Time

Shares Held

Position Value (USD)

Position in Insurance - Property & Casualty

Financial Services · as of Jun 30, 2026

SEI INVESTMENTS CO holds $568,074,739 across 32 Insurance - Property & Casualty names. WTM ranks #9 (3.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CB
Chubb Ltd
 342,801 $116,806,012
2 PGR
Progressive Corp/Oh/
 450,319 $98,372,185
3 TRV
Travelers Companies, Inc.
 140,266 $46,304,610
4 ALL
Allstate Corp
 183,928 $43,763,827
5 L
Loews Corp
 280,467 $31,751,668
6 SKWD
Skyward Specialty Insurance Group, Inc.
 477,465 $27,860,081
7 RLI
Rli Corp
 366,239 $21,633,737
8 THG
Hanover Insurance Group, Inc.
 85,510 $18,309,400

All Filings in WTM

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $16,811,044 8,108
2026-03-31 $24,381,861 11,098
2025-12-31 $16,449,684 7,916
2025-09-30 $9,002,806 5,386
2025-06-30 $8,808,005 4,905
2025-03-31 $7,895,819 4,100
2024-12-31 $6,257,257 3,217
2024-09-30 $4,216,752 2,486
2024-06-30 $4,341,887 2,389
2024-03-31 $4,338,616 2,418
2023-12-31 $3,044,634 2,023
2023-09-30 $2,601,004 1,739
2023-06-30 $2,443,091 1,759
2023-03-31 $2,445,043 1,775
2022-12-31 $2,291,214 1,620
2022-09-30 $1,860,712 1,428
2022-06-30 $1,992,561 1,599
2022-03-31 $1,881,612 1,656
2021-12-31 $2,056,188 2,028
2021-09-30 $1,764,855 1,650
2021-06-30 $1,920,653 1,673
2021-03-31 $2,389,230 2,143
2020-12-31 $2,210,457 2,209
2020-09-30 $1,887,517 2,423
2020-06-30 $3,669,090 4,132
2020-03-31 $3,654,560 4,016