Phathom Pharmaceuticals, Inc. · NASDAQ:PHAT
Phathom Pharmaceuticals, Inc. shareholders
As of Jun 30, 2026, 154 institutions reported holding Phathom Pharmaceuticals, Inc., 89.1% of its shares. Largest: Frazier Life Sciences Management, L.P., Medicxi Ventures Management (Jersey) Ltd and BlackRock. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Phathom Pharmaceuticals, Inc. | Change | Filed |
|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 12.5M | 15.4% | no change | Aug 14, 2026 |
| Medicxi Ventures Management (Jersey) Ltd | 7.46M | 9.2% | held for review | Aug 4, 2026 |
| BlackRock | 4.53M | 5.6% | +463K | Aug 7, 2026 |
| Invesco | 4.03M | 5.0% | −292K | Aug 14, 2026 |
| Vanguard | 3.87M | 4.8% | +214K | Aug 13, 2026 |
| Carlyle Group Inc. | 3.5M | 4.3% | no change | Aug 7, 2026 |
| Millennium | 3.38M | 4.2% | −647K | Aug 14, 2026 |
| GW&K Investment Management, LLC | 2.17M | 2.7% | +746K | Aug 12, 2026 |
| Franklin Templeton | 1.97M | 2.4% | +976K | Aug 13, 2026 |
| NEA Management Company, LLC | 1.96M | 2.4% | no change | Aug 14, 2026 |