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BLAIR WILLIAM & CO/IL

Position in ACGL — Arch Capital Group Ltd.

CIK 902367 CHICAGO, IL

Position in ACGL

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$694,949
+$323,276 QoQ
Shares Held
7,160
+84.9% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#492
of 900 holders
Holding Since
Mar 2021
20 quarters on record
Voting authority Sole 44% Shared 0% None 56%

Common Shares in ACGL Over Time

Shares Held

Position Value (USD)

Position in Insurance - Diversified

Financial Services · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $294,011,828 across 5 Insurance - Diversified names. ACGL ranks #5 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 ACGL
Arch Capital Group Ltd.
This page
7,160 $694,949

All Filings in ACGL

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20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $694,949 7,160
2026-03-31 $371,673 3,872
2025-12-31 $433,558 4,520
2025-09-30 $293,420 3,234
2025-06-30 $305,654 3,357
2025-03-31 $448,487 4,663
2024-12-31 $497,766 5,390
2024-09-30 $605,270 5,410
2024-06-30 $455,417 4,514
2024-03-31 $408,030 4,414
2023-12-31 $306,586 4,128
2023-09-30 $317,644 3,985
2023-06-30 $293,711 3,924
2023-03-31 $259,467 3,823
2022-12-31 $238,752 3,803
2022-03-31 $215,856 4,458
2021-12-31 $253,542 5,704
2021-09-30 $217,969 5,709
2021-06-30 $220,828 5,671
2021-03-31 $219,015 5,708