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Arch Capital

906 hedge funds and large institutions have $30.7B invested in Arch Capital in 2026 Q1 according to their latest regulatory filings, with 112 funds opening new positions, 321 increasing their positions, 351 reducing their positions, and 105 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

9% less repeat investments, than reductions

Existing positions increased: 321 | Existing positions reduced: 351

1% less funds holding

Funds holding: 917906 (-11)

18% less call options, than puts

Call options by funds: $8.69M | Put options by funds: $10.6M

Holders
906
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$8.69M
Puts
$10.6M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
RhumbLine Advisers
76
RhumbLine Advisers
Massachusetts
$61.5M
VAM
77
Vanguard Asset Management
$58.8M
Canada Pension Plan Investment Board
78
Canada Pension Plan Investment Board
Ontario, Canada
$58.6M
Qube Research & Technologies (QRT)
79
Qube Research & Technologies (QRT)
United Kingdom
$53.9M
Bank of Montreal
80
Bank of Montreal
Ontario, Canada
$53.3M
GAI
81
General American Investors
New York
$50.9M
Raymond James Financial
82
Raymond James Financial
Florida
$50.9M
T. Rowe Price Associates
83
T. Rowe Price Associates
Maryland
$49.3M
PC
84
Port Capital
Illinois
$48.8M
Russell Investments Group
85
Russell Investments Group
United Kingdom
$47.6M
SG Americas Securities
86
SG Americas Securities
New York
$46.6M
GCM
87
Gladstone Capital Management
United Kingdom
$46.3M
California State Teachers Retirement System (CalSTRS)
88
California State Teachers Retirement System (CalSTRS)
California
$45.4M
ACA
89
Anchor Capital Advisors
Massachusetts
$42.5M
Citigroup
90
Citigroup
New York
$42.1M
Man Group
91
Man Group
United Kingdom
$41.5M
AllianceBernstein
92
AllianceBernstein
Tennessee
$41.4M
Millennium Management
93
Millennium Management
New York
$41.3M
Manulife (Manufacturers Life Insurance)
94
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$41M
SAM
95
Storebrand Asset Management
Norway
$40.9M
SGAM
96
Smith Group Asset Management
Texas
$39.6M
Federated Hermes
97
Federated Hermes
Pennsylvania
$39.5M
CB
98
Commerce Bank
Missouri
$37.6M
Treasurer of the State of North Carolina
99
Treasurer of the State of North Carolina
North Carolina
$35.2M
CIM
100
Confluence Investment Management
Missouri
$34.9M