Atrium Therapeutics, Inc. Common Stock (RNA) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for RNA. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 152 institutions reported holding RNA, with 14.3 million shares worth $192.8 million in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Sessa Capital IM, | 1,500,000 | $20M | INCREASED |
| T. Rowe Price | 1,472,984 | $20M | DECREASED |
| BlackRock | 1,447,476 | $19M | INCREASED |
| Vanguard | 947,572 | $13M | DECREASED |
| Crcm | 641,539 | $9M | NEW |
Full institutional holdings, insider history, and congressional trades for Atrium Therapeutics, Inc. Common Stock on SentiSense.