ARCH CAPITAL GROUP LTD.
Institutional investors holding ACGL
| Investor | Weight | Quarter |
|---|---|---|
| John Armitage | 1.19% | 2026Q1 |
| Third Avenue Management | 0.80% | 2004Q3 |
| Sarah Ketterer | 0.02% | 2024Q4 |
| Ruane Cunniff | 0.01% | 2016Q4 |
| Richard Pzena | 0.00% | 2024Q1 |
| Kenneth Fisher | 0.00% | 2015Q3 |
Congressional data coming soon
18
Total trades
$533K
Volume
17
Buys
1
Sells
Last trade: May 11, 2026
| Date | Insider | Type | Value |
|---|---|---|---|
| May 11, 2026 | Brian S Posner | Sell | $34K |
| May 5, 2026 | Brian S Posner | Buy | – |
Congressional trade data is being sourced and will appear here shortly.
| May 5, 2026 |
| Brian S Posner |
| Buy |
| – |
| May 5, 2026 | Brian S Posner | Buy | – |
| May 5, 2026 | Brian S Posner | Buy | – |
| May 5, 2026 | Brian S Posner | Buy | – |
| May 5, 2026 | Brian S Posner | Buy | – |
| May 5, 2026 | Brian S Posner | Buy | – |
| May 5, 2026 | Brian S Posner | Buy | – |
| May 5, 2026 | Brian S Posner | Buy | – |
| May 5, 2026 | Brian S Posner | Buy | – |
| May 5, 2026 | Brian S Posner | Buy | – |
| May 5, 2026 | Brian S Posner | Buy | – |
| May 5, 2026 | Brian S Posner | Buy | – |
| May 5, 2026 | Brian S Posner | Buy | – |
| May 5, 2026 | Brian S Posner | Buy | – |
| May 5, 2026 | Brian S Posner | Buy | – |
| Apr 30, 2026 | Brian S Posner | Buy | $499K |