Who owns ACGL
Institutions that file 13Fs hold 96% of the shares
Shares they hold, quarter on quarter
-1.7%
107 new, 299 added, 359 cut, 118 sold out
Top 10 holders
50%
of the shares institutions hold
A 13F lists the long positions of managers with more than $100M in US stocks. It shows the last day of a quarter and is filed up to 45 days later. Two managers can report the same shares, so totals can count some shares twice.
Institutional owners
The 25 biggest holders
| Holder | Shares | Value | % of company | From Mar 31, 2026 |
|---|---|---|---|---|
| BlackRock, Inc. | 30.22M | $2.9B | 9.28% | Reduced -3.6% |
| VANGUARD CAPITAL MANAGEMENT LLC | 22.22M | $2.2B | 6.83% | Reduced -1.7% |
| Artisan Partners Limited Partnership | 21.60M | $2.1B | 6.63% | Reduced -4.7% |
| STATE STREET CORP | 16.25M | $1.6B | 4.99% | Held |
| BAMCO INC /NY/ | 15.87M | $1.5B | 4.88% | Reduced -5.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 14.53M | $1.4B | 4.46% | Reduced -1.3% |
| WCM INVESTMENT MANAGEMENT, LLC | 11.97M | $1.2B | 3.68% | Reduced -5.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 10.51M | $1.0B | 3.23% | Reduced -0.7% |
| JPMORGAN CHASE & CO | 6.99M | $685.6M | 2.15% | Added +3.1% |
| Invesco Ltd. | 4.95M | $480.2M | 1.52% | Added +21.9% |
| NORGES BANK | 4.68M | $453.8M | 1.44% | New |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 4.49M | $436.2M | 1.38% | Added +135.3% |
| MORGAN STANLEY | 4.36M | $423.1M | 1.34% | Added +2.3% |
| NORTHERN TRUST CORP | 4.28M | $415.6M | 1.32% | Reduced -4.3% |
| DIMENSIONAL FUND ADVISORS LP | 4.22M | $409.5M | 1.30% | Added +1.1% |
| Allspring Global Investments Holdings, LLC | 4.14M | $408.0M | 1.27% | Added +14.0% |
| Madison Asset Management, LLC | 3.80M | $368.8M | 1.17% | Reduced -6.8% |
| ROYAL BANK OF CANADA | 3.50M | $339.3M | 1.07% | Reduced -1.0% |
| MARSHFIELD ASSOCIATES | 3.33M | $323.3M | 1.02% | Added +9.2% |
| Legal & General Group Plc | 3.12M | $302.8M | 0.96% | Reduced -5.1% |
| GOLDMAN SACHS GROUP INC | 3.02M | $292.7M | 0.93% | Added +5.4% |
| Polar Capital Holdings Plc | 2.98M | $289.2M | 0.92% | Reduced -9.7% |
| PRINCIPAL FINANCIAL GROUP INC | 2.87M | $278.4M | 0.88% | Reduced -12.4% |
| High Ground Investment Management LLP | 2.61M | $253.6M | 0.80% | Added +45.6% |
| NATIXIS ADVISORS, LLC | 2.45M | $238K | 0.75% | Added +5.2% |
Show the other 15 holders
This quarter
Who bought and who sold the most shares
Bought the most shares
- NORGES BANK +4.68M, new
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP +2.58M
- Invesco Ltd. +888K
- High Ground Investment Management LLP +819K
- JANE STREET GROUP, LLC +697K
- Allspring Global Investments Holdings, LLC +508K
- AMERICAN CENTURY COMPANIES INC +425K
- Clearbridge Investments, LLC +360K
- SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC +331K
- Caisse de depot et placement du Quebec +330K, new
Sold the most shares
- UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC -3.09M
- FIRST TRUST ADVISORS LP -2.18M
- AQR CAPITAL MANAGEMENT LLC -1.38M
- BlackRock, Inc. -1.13M
- Egerton Capital (UK) LLP -1.12M, sold out
- Artisan Partners Limited Partnership -1.07M
- Champlain Investment Partners, LLC -892K
- BAMCO INC /NY/ -837K
- Clark Capital Management Group, Inc. -715K, sold out
- WCM INVESTMENT MANAGEMENT, LLC -629K
Superinvestors
Superinvestors holding ACGL
None of the followed investors held ACGL in their latest 13F.
More than 5%
13D filings: owners who may push for change
No Schedule 13D about ACGL in the last year.