Supply breakdown
Shares as of Jul 30, 2026| Category | Shares | % | Value | Status |
|---|---|---|---|---|
| Circulating | 341.23M | 100.0% | $33.12B | Estimated |
| Free float | - | - | - | Unavailable |
| Insider-held, unrestricted | - | - | - | Unavailable |
| Locked team funds | - | - | - | Unavailable |
| Other restricted (unlisted classes only) | - | - | - | Unavailable |
| Total outstanding | 341.23M | 100.0% | $33.12B | Verified |
| Ownership views (overlap the categories above, never added) | ||||
| Institutional holdings (13F) | 312.45M | 91.6% | $30.33B | Estimated |
| Insider-held, all (Forms 3, 4, 5) | - | - | - | Unavailable |
Institutional and insider holdings can include both tradable and locked shares, so they are shown for reference and never added to the total. Check: no class has more shares deducted than it has outstanding, and the review found no shares that may be counted twice: reconciles.
Valuation
- Traditional$33.12B
- Fully diluted$33.66B
- Circulating$33.12B
- Free float-
- Locked team value$0
- Other restricted value$0
Locked and restricted shares
Not reviewed yet.
Institutional holders
13F, quarter ended Jun 30, 2026| Holder | Shares | % of total |
|---|---|---|
| BlackRock, Inc. | 30.22M | 8.86% |
| VANGUARD CAPITAL MANAGEMENT LLC | 22.22M | 6.51% |
| Artisan Partners Limited Partnership | 21.60M | 6.33% |
| STATE STREET CORP | 16.25M | 4.76% |
| BAMCO INC /NY/ | 15.87M | 4.65% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 14.53M | 4.26% |
| WCM INVESTMENT MANAGEMENT, LLC | 11.97M | 3.51% |
| GEODE CAPITAL MANAGEMENT, LLC | 10.51M | 3.08% |
| JPMORGAN CHASE & CO | 6.99M | 2.05% |
| Invesco Ltd. | 4.95M | 1.45% |
Sum of long share positions in Form 13F reports for the quarter. 13F covers managers with over $100M in US equities; some positions are reported by more than one filer.
Insiders
Forms 3, 4 and 5Form 4 aggregation pending
Share classes
| Class | Listing | Shares outstanding | As of |
|---|---|---|---|
| Common stock | ACGL on Nasdaq | 341,229,126 | Jul 30, 2026 |
Notes and sources
- ARCH CAPITAL GROUP LTD. 10-Q for period ended 2026-06-30, Cover page (0000947484-26-000124)
- SEC public float (non-affiliates): $33.00B as of Jun 30, 2025, from the 10-K cover. It is a dollar value at a past date, not circulating supply.