Arch Capital Group (ACGL)
Underwrites specialty insurance, reinsurance, and mortgage insurance across global markets.
$95.41
vs last close−0.38 (−0.39%)
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13F · 13D/G · Form 4
| Institutions | 92.20% | 314.61M shares | |
|---|---|---|---|
| 927 holders · as of Jun 30, 2026 | |||
| Insiders | 0.91% | 3.10M shares | |
| 18 holders · as of Sep 14, 2026 | |||
| Other | 6.89% | 23.51M shares | |
| remainder | |||
341.23M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
927 holders · 314.61M shares · 108 new positions · 426 increased · 379 reduced · 116 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 30.22M | 8.86% | −1.13M | Aug 7, 2026 |
| Vanguard Capital Management LLC | 22.22M | 6.51% | −391.2K | Aug 13, 2026 |
| Artisan Partners Limited Partnership | 21.60M | 6.33% | −1.07M | Aug 13, 2026 |
| State Street Corp | 16.25M | 4.76% | +490 | Aug 7, 2026 |
| Bamco Inc /NY/ | 15.87M | 4.65% | −837.3K | Aug 14, 2026 |
| Vanguard Portfolio Management LLC | 14.53M | 4.26% | −185.5K | Aug 13, 2026 |
| WCM Investment Management, LLC | 11.97M | 3.51% | −628.8K | Aug 13, 2026 |
| Geode Capital Management, LLC | 10.51M | 3.08% | −78.5K | Aug 12, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Vanguard Capital Management | 7.33% | 26.14M | 13G | Apr 29, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 18, 2026 | Francois Morinofficer: CFO and Treasurer | Sale | 11,010 | $99.32 | 184,826 |
| Jun 3, 2026 | Brian S. Posnerdirector | Sale | 3,000 | $19.66 | 0 |
| May 11, 2026 | Brian S. Posnerdirector | Sale | 2,000 | $17.14 | 0 |
| Apr 30, 2026 | Daniel Joseph Houstondirector | Purchase | 5,300 | $94.09 | 9,915 |
| Mar 10, 2026 | Nicolas Papadopoulodirector, officer: CEO | Sale | 21,930 | $96.31 | 871,594 |
| Mar 10, 2026 | David Gansbergofficer: President, Arch Capital Group | Sale | 5,907 | $96.37 | 336,559 |
| Mar 11, 2026 | Brian S. Posnerdirector | Sale | 3,000 | $17.12 | 2,000 |
| Feb 11, 2026 | Maamoun Rajehofficer: President, Arch Capital Group | Sale | 47,430 | $96.12 | 433,589 |
| Dec 15, 2025 | John M. Pasquesidirector, other: CHAIR | Sale | 8,800 | $94.17 | 289,556 |
| Dec 12, 2025 | John M. Pasquesidirector, other: CHAIR | Sale · 2 lots | 203,866 | $93.90 | 351,356 |
House and Senate disclosures
| Member | Type | Amount | Owner | Traded | Disclosed |
|---|---|---|---|---|---|
| Rep. Ro Khanna · CA17 | Purchase | $1,001 – $15,000 | May 1, 2026 | Jun 11, 2026 |