Phathom Pharmaceuticals, Inc. Common Stock (PHAT) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for PHAT. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 155 institutions reported holding PHAT, with 71.7 million shares worth $778.5 million in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Frazier Life Sciences Management | 12,466,489 | $135M | UNCHANGED |
| Medicxi Ventures Management (Jersey) | 7,464,572 | $81M | UNCHANGED |
| BlackRock | 4,525,129 | $49M | INCREASED |
| Invesco Ltd | 4,029,731 | $44M | DECREASED |
| Vanguard | 3,868,699 | $42M | INCREASED |
Full institutional holdings, insider history, and congressional trades for Phathom Pharmaceuticals, Inc. Common Stock on SentiSense.