Arch Capital Group Ltd. (ACGL)
Who owns Arch Capital Group Ltd. (ACGL)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 96.0% of the shares are freely tradable; institutional investors hold 94.9%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 9.19 | 31,354,204 | -1.2 | 03/31/2026 |
| Artisan Partners Limited Partnership | 6.65 | 22,666,011 | -2.5 | 03/31/2026 |
| Vanguard Capital Management, LLC | 6.63 | 22,612,609 | +0.0 | 03/31/2026 |
| BAMCO Inc | 4.90 | 16,709,759 | -7.1 | 03/31/2026 |
| State Street Corp | 4.77 | 16,250,722 | -1.2 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.31 | 14,712,819 | +0.0 | 03/31/2026 |
| WCM Investment Management | 3.70 | 12,602,412 | -5.1 | 03/31/2026 |
| Geode Capital Management, LLC | 3.10 | 10,586,271 | +1.1 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Artisan International Value | 4.89 | 16,679,570 | -2.6 | 03/31/2026 |
| Artisan International Value Investor | 4.89 | 16,679,570 | -2.6 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.