13F Insight
DOSSIER · 13F Holders · Q2 2026

ARCH CAP GROUP LTD

951 institutions still hold ARCH CAP GROUP LTD as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G0450A105·951 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$19.0B
visible holders
Holders
951
filers reporting
Concentration
15.48%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

951 institutions reported ARCH CAP GROUP LTD in Q2 2026. BlackRock, Inc. leads at 15.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$2.9B30.2M0.04%Q2 202602
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$2.2B22.2M0.05%Q2 202603
Artisan Partners Limited Partnership
CIK 0001466153
$2.1B21.6M3.32%Q2 202604
STATE STREET CORP
CIK 0000093751
$1.6B16.3M0.05%Q2 202605
BAMCO INC /NY/
CIK 0001017918
$1.5B15.9M2.31%Q2 202606
Vanguard Portfolio Management
CIK 0002100121· Index
$1.4B14.5M0.06%Q2 202607
WCM INVESTMENT MANAGEMENT, LLC
CIK 0001061186
$1.2B12.0M2.13%Q2 202608
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$1.0B10.5M0.05%Q2 202609
JPMORGAN CHASE & CO
CIK 0000019617
$686M7.0M0.04%Q2 202610
Invesco Ltd.
CIK 0000914208
$480M4.9M0.04%Q2 202611
NORGES BANK
CIK 0001374170· Sovereign
$454M4.7M0.05%Q2 202612
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$436M4.5M0.19%Q2 202613
MORGAN STANLEY
CIK 0000895421
$423M4.4M0.02%Q2 202614
NORTHERN TRUST CORP
CIK 0000073124· Index
$416M4.3M0.05%Q2 202615
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$409M4.2M0.07%Q2 202616
Allspring Global Investments Holdings, LLC
CIK 0001890906
$408M4.1M0.63%Q2 202617
Madison Asset Management, LLC
CIK 0001299351
$369M3.8M4.40%Q2 202618
ROYAL BANK OF CANADA
CIK 0001000275
$339M3.5M0.05%Q2 202619
MARSHFIELD ASSOCIATES
CIK 0000914976
$323M3.3M7.58%Q2 202620
Legal & General Group Plc
CIK 0000764068
$303M3.1M0.06%Q2 2026
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