13F institutional ownership facts
Institutions tracked
50
Reported value
$2,614,843,807.00
Reported shares
27,240,794
Latest filing period
Q1 2026
Top institutional holders
- Artisan Partners · $2,175,710,396 · 3.49%
- WCM Investment Management · $1,205,042,680 · 2.75%
- Robeco Institutional Asset Management · $170,088,906 · 0.24%
- Mike Hankin - Brown Advisory INC · $111,586,263 · 0.18%
- Cliff Asness - AQR Capital Management · $260,701,097 · 0.12%
- Two Sigma Investments · $122,261,599 · 0.1%
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
22,666,011 shares
3.49%
% of Portfolio
WCM Investment Management
12,602,412 shares
2.75%
% of Portfolio
Robeco Institutional Asset Management
1,771,944 shares
0.24%
% of Portfolio
Mike Hankin - Brown Advisory INC
1,162,478 shares
0.18%
% of Portfolio
Cliff Asness - AQR Capital Management
2,731,571 shares
0.12%
% of Portfolio
Two Sigma Investments
1,273,691 shares
0.10%
% of Portfolio
Legal & General
3,287,725 shares
0.07%
% of Portfolio
Geode Capital Management
10,586,271 shares
0.06%
% of Portfolio
Invesco
4,059,380 shares
0.06%
% of Portfolio
New York State Teachers Retirement System
328,426 shares
0.06%
% of Portfolio
Northern Trust Corp
4,472,652 shares
0.06%
% of Portfolio
Larry Fink - BlackRock
31,354,204 shares
0.05%
% of Portfolio
Nuveen
1,849,017 shares
0.05%
% of Portfolio
SG Americas Securities
485,292 shares
0.05%
% of Portfolio
State Street Corp
16,250,722 shares
0.05%
% of Portfolio
Rajiv Jain - Gqg Partners
1,646,026 shares
0.25%
% of Portfolio
CalPERS
834,282 shares
0.05%
% of Portfolio
Mitsubishi Ufj Asset Management Co., Ltd.
816,429 shares
0.05%
% of Portfolio
BNP Paribas
782,992 shares
0.04%
% of Portfolio
Canada Pension Plan Investment Board
610,967 shares
0.04%
% of Portfolio
Adage Capital Partners
195,200 shares
0.03%
% of Portfolio
Charles Schwab
2,149,791 shares
0.03%
% of Portfolio
David Solomon - Goldman Sachs
2,859,967 shares
0.03%
% of Portfolio
UBS Group
1,926,310 shares
0.03%
% of Portfolio
Jane Street Group
236,115 shares
0.00%
% of Portfolio
Franklin Resources
1,061,428 shares
0.02%
% of Portfolio
Israel Englander - Millennium Management
430,636 shares
0.02%
% of Portfolio
Morgan Stanley
4,260,419 shares
0.02%
% of Portfolio
Wellington Management
1,110,101 shares
0.02%
% of Portfolio
AllianceBernstein (AB)
431,461 shares
0.01%
% of Portfolio
Voya Investment Mgmt
79,462 shares
0.01%
% of Portfolio
Capital International Investors
1,351,962 shares
0.03%
% of Portfolio
Jeremy Grantham - GMO
116,332 shares
0.03%
% of Portfolio
Ensign Peak Advisors
55,997 shares
0.01%
% of Portfolio
Neuberger Berman
68,792 shares
0.01%
% of Portfolio
T. Rowe Price
513,948 shares
0.01%
% of Portfolio
Ken Griffin - Citadel Advisors
99,165 shares
NaN%
% of Portfolio
David E. Shaw - D.E. Shaw & Co.
64,665 shares
NaN%
% of Portfolio
Lazard Asset Management
28,431 shares
NaN%
% of Portfolio
PNC Financial Services
70,659 shares
NaN%
% of Portfolio
Janus Henderson Group
38,971 shares
NaN%
% of Portfolio
Fidelity International (FIL)
16,011 shares
NaN%
% of Portfolio
Dmitry Balyasny - Balyasny Asset Management
5,336 shares
NaN%
% of Portfolio
Ron Baron - Baron Capital
16,709,759 shares
4.84%
% of Portfolio
Scott Brayman - Champlain Invest Partners
1,262,285 shares
1.54%
% of Portfolio
Lord, Abbett & Co. LLC
928,249 shares
0.29%
% of Portfolio
Ray Dalio - Bridgewater Associates
246,203 shares
0.11%
% of Portfolio
Natixis
236,082 shares
0.08%
% of Portfolio
PSP Investments
260,678 shares
0.08%
% of Portfolio
Exoduspoint Capital Management, Lp
87,638 shares
0.07%
% 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