Research report
ACGL Q4 2025 Institutional Holdings and Activity Report
Verified Q4 2025 13F holdings for Arch Capital Group Ltd, covering institutional activity, data dates, SEC sources, filing limits, and methods.
13F institutional ownership facts
Institutions tracked
50
Reported value
$2,509,475,615.00
Reported shares
25,854,890
Latest filing period
Q2 2026
Top institutional holders
- Artisan Partners · $2,096,097,569 · 3.32%
- Ron Baron - Baron Capital · $1,540,579,997 · 2.31%
- WCM Investment Management · $1,174,128,712 · 2.13%
- Robeco Institutional Asset Management · $198,873,318 · 0.24%
- Mike Hankin - Brown Advisory INC · $111,918,042 · 0.17%
- Two Sigma Investments · $76,406,408 · 0.06%
Data source and limitations
This page uses public SEC Form 13F disclosures and related institutional filing data. 13F reports are periodic disclosures and may not represent current real-time holdings.
13F Hub provides research and education data only. It does not provide personalized investment advice.
$ACGL
Institutional Holdings
50
Top Institutions
Top Institutions
Artisan Partners
21,595,895 shares
3.32%
% of Portfolio
Ron Baron - Baron Capital
15,872,450 shares
2.31%
% of Portfolio
WCM Investment Management
11,973,574 shares
2.13%
% of Portfolio
Robeco Institutional Asset Management
2,048,973 shares
0.24%
% of Portfolio
Mike Hankin - Brown Advisory INC
1,153,081 shares
0.17%
% of Portfolio
Two Sigma Investments
787,208 shares
0.06%
% of Portfolio
Cliff Asness - AQR Capital Management
1,353,793 shares
0.05%
% of Portfolio
Geode Capital Management
10,507,722 shares
0.05%
% of Portfolio
Northern Trust Corp
4,281,588 shares
0.05%
% of Portfolio
State Street Corp
16,251,212 shares
0.05%
% of Portfolio
Rajiv Jain - Gqg Partners
1,717,256 shares
0.31%
% of Portfolio
PFA Pension
525,283 shares
0.13%
% of Portfolio
Legal & General
3,119,937 shares
0.06%
% of Portfolio
Amundi
2,002,764 shares
0.05%
% of Portfolio
Mitsubishi Ufj Asset Management Co., Ltd.
853,186 shares
0.05%
% of Portfolio
New York State Teachers Retirement System - New York State Teachers Retirement System
273,909 shares
0.05%
% of Portfolio
BNP Paribas
1,109,264 shares
0.04%
% of Portfolio
CalPERS
713,917 shares
0.04%
% of Portfolio
Invesco
4,947,084 shares
0.04%
% of Portfolio
Jamie Dimon - JPMorgan Chase
6,991,580 shares
0.04%
% of Portfolio
Joel Greenblatt - Gotham Asset Management
158,259 shares
0.04%
% of Portfolio
Larry Fink - BlackRock
30,220,703 shares
0.04%
% of Portfolio
Nuveen
1,775,060 shares
0.04%
% of Portfolio
Canada Pension Plan Investment Board
534,416 shares
0.03%
% of Portfolio
Charles Schwab
2,177,713 shares
0.03%
% of Portfolio
David Solomon - Goldman Sachs
3,015,755 shares
0.03%
% of Portfolio
SG Americas Securities
637,110 shares
0.03%
% of Portfolio
Franklin Resources
1,123,099 shares
0.02%
% of Portfolio
Morgan Stanley
4,359,144 shares
0.02%
% of Portfolio
PSP Investments
99,400 shares
0.02%
% of Portfolio
UBS Group
1,350,323 shares
0.02%
% of Portfolio
Wellington Management
1,189,970 shares
0.02%
% of Portfolio
Ken Griffin - Citadel Advisors
272,262 shares
0.00%
% of Portfolio
Israel Englander - Millennium Management
305,902 shares
0.01%
% of Portfolio
Jane Street Group
932,724 shares
0.01%
% of Portfolio
Voya Investment Mgmt
76,801 shares
0.01%
% of Portfolio
Jeremy Grantham - GMO
156,236 shares
0.03%
% of Portfolio
Adage Capital Partners
160,100 shares
0.02%
% of Portfolio
Capital International Investors
804,728 shares
0.02%
% of Portfolio
Ensign Peak Advisors
123,372 shares
0.02%
% of Portfolio
T. Rowe Price
523,807 shares
0.01%
% of Portfolio
Neuberger Berman
63,076 shares
NaN%
% of Portfolio
David E. Shaw - D.E. Shaw & Co.
62,848 shares
NaN%
% of Portfolio
PNC Financial Services
71,795 shares
NaN%
% of Portfolio
Dmitry Balyasny - Balyasny Asset Management
7,894 shares
NaN%
% of Portfolio
Fidelity International (FIL)
5,138 shares
NaN%
% of Portfolio
Ken Fisher - Fisher Asset Management
2,200 shares
NaN%
% of Portfolio
Scott Brayman - Champlain Invest Partners
370,745 shares
0.92%
% of Portfolio
Lord, Abbett & Co. LLC
848,229 shares
0.24%
% of Portfolio
Ray Dalio - Bridgewater Associates
223,860 shares
0.09%
% of Portfolio
Institutional InsightPRO
Scale Distribution
MEGA
44%
LARGE
28%
MEDIUM
32%
SMALL
-4%
Geographic Distribution
Institutional Activity
Buyers
49
Sellers
23
Holders
97
New
9
Exited
16
Insider TradingPRO
Trading Statistics
Insider Buyers
12
Insider Sellers
23
Purchase Value
$29.5M
Role Distribution
RatingPRO
69
B-
Overall Score
Moderate institutional interest with stable holdings
Rating Dimensions
Recent Actions
New
14
Increased
33
Decreased
20
Exited
6
Total
35