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Arch Capital

909 hedge funds and large institutions have $30.7B invested in Arch Capital in 2026 Q1 according to their latest regulatory filings, with 111 funds opening new positions, 321 increasing their positions, 354 reducing their positions, and 105 closing their positions.

New
Increased
Maintained
Reduced
Closed

6% more first-time investments, than exits

New positions opened: 111 | Existing positions closed: 105

0% more funds holding in top 10

Funds holding in top 10: 1414 (0)

0.51% less ownership

Funds ownership: 89.69%89.18% (-0.51%)

1% less funds holding

Funds holding: 918909 (-9)

1% less capital invested

Capital invested by funds: $31.2B → $30.7B (-$462M)

9% less repeat investments, than reductions

Existing positions increased: 321 | Existing positions reduced: 354

18% less call options, than puts

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

Holders
909
Holders Change
-9
Holders Change %
-0.98%
% of All Funds
11.2%
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.17%
New
111
Increased
321
Reduced
354
Closed
105
Calls
$8.69M
Puts
$10.6M
Net Calls
-$1.93M
Net Calls Change
-$11.8M
Name Holding Trade Value Shares
Change
Change in
Stake
WorldQuant Millennium Advisors
126
WorldQuant Millennium Advisors
New York
$23M -$62.8M -656,338 -73%
Mitsubishi UFJ Trust & Banking
127
Mitsubishi UFJ Trust & Banking
Japan
$22.9M -$1.17M -12,191 -5%
Jane Street
128
Jane Street
New York
$22.7M -$30.3M -316,964 -57%
N
129
Natixis
France
$22.7M +$1.07M +11,151 +5%
KK
130
KLP Kapitalforvaltning
Norway
$22.3M +$5.7M +59,500 +34%
SDIC
131
South Dakota Investment Council
South Dakota
$21.8M +$340K +3,555 +2%
BSA
132
Braun Stacey Associates
New York
$21.8M -$41K -428 -0.2%
LPL Financial
133
LPL Financial
California
$21.6M -$5.33M -55,712 -20%
National Bank of Canada
134
National Bank of Canada
Quebec, Canada
$21.5M +$3.11M +32,527 +17%
GLA
135
Great Lakes Advisors
Illinois
$21.1M -$17.7M -184,726 -46%
Toronto Dominion Bank
136
Toronto Dominion Bank
Ontario, Canada
$21M -$5.43M -56,757 -21%
Royal London Asset Management
137
Royal London Asset Management
United Kingdom
$20.7M +$960K +10,026 +5%
State of Wisconsin Investment Board
138
State of Wisconsin Investment Board
Wisconsin
$20.7M -$1.53K -16 -0%
Mariner
139
Mariner
Kansas
$20.4M +$2.13M +22,283 +12%
JSSH
140
J. Safra Sarasin Holding
$20.3M +$663K +6,927 +3%
Pictet Asset Management
141
Pictet Asset Management
Switzerland
$20M -$677K -7,071 -3%
ROC
142
Robertson Opportunity Capital
Texas
$19.4M
JG
143
Jain Global
New York
$19.2M +$15.1M +157,944 +377%
Adage Capital Partners
144
Adage Capital Partners
Massachusetts
$18.7M -$12.5M -130,800 -40%
A
145
AustralianSuper
Australia
$18.3M +$701K +7,323 +4%
Teacher Retirement System of Texas
146
Teacher Retirement System of Texas
Texas
$17.5M -$7.76M -81,017 -31%
VIA
147
Vanguard Investments Australia
Australia
$17.3M +$17.2M +179,847 New
Chevy Chase Trust
148
Chevy Chase Trust
Maryland
$17.2M -$667K -6,969 -4%
SAM
149
SEB Asset Management
$16.8M +$16.8M +174,981 New
P
150
&Partners
Tennessee
$16.6M +$3.07M +32,057 +23%