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BlackRock, Inc.

Position in WTM — White Mountains Insurance Group Ltd

CIK 2012383 New York, NY

Position in WTM

as of Jun 30, 2026 · filed Aug 7, 2026
Position Value
$244,392,534
-$4,584,542 QoQ
Shares Held
117,871
+4.0% QoQ
Ownership
4.94%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#3
of 354 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority Sole 95% Shared 0% None 5%

Common Shares in WTM Over Time

Shares Held

Position Value (USD)

Position in Insurance - Property & Casualty

Financial Services · as of Jun 30, 2026

BlackRock, Inc. holds $50,149,247,012 across 43 Insurance - Property & Casualty names. WTM ranks #22 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in WTM

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $244,392,534 117,871
2026-03-31 $248,977,076 113,328
2025-12-31 $233,339,905 112,289
2025-09-30 $188,178,042 112,579
2025-06-30 $203,200,075 113,158
2025-03-31 $224,932,685 116,799
2024-12-31 $230,458,493 118,484
2024-09-30 $195,271,627 115,123