Arrowhead Research Corporation (ARWR) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for ARWR. 13F holdings as of 2026-03-31.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 18,161,519 | $1.1B | DECREASED |
| Avoro Capital Advisors LLC | 10,699,999 | $671M | INCREASED |
| FMR LLC | 7,266,652 | $456M | INCREASED |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7,146,136 | $448M | NEW |
| STATE STREET CORP | 6,496,130 | $407M | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Matthew Gregory Cohen (Director) | AWARD | 11,882 | 2026-06-15 | |
| Hongbo Lu (Director) | SELL | 2,970 | $228K | 2026-05-12 |
Full institutional holdings, insider history, and congressional trades for Arrowhead Research Corporation on SentiSense.