Phathom Pharmaceuticals, Inc.
PHAT- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001783183
No open-market purchases or sales by Phathom Pharmaceuticals, Inc. insiders were filed in the last 90 days; 161 institutions reported holding it in 13F filings for Q2 2026, worth $782.1M in total; no superinvestor holds it.
Q2 2026 vs. Q1 2026
How the institutions holding Phathom Pharmaceuticals, Inc. changed between Q1 2026 and Q2 2026.
All holders in Q2 2026All holders in Q1 2026
| Measure | Q1 2026 | Of which not filed for Q2 2026 | Q2 2026 | Change |
|---|---|---|---|---|
| Holders | 174 | 2 | 161 | −11 |
| Shares | 68.9M | 23.4K | 72.1M | +3.21M (+4.7%) |
| Value | $765.5M | $260.1K | $782.1M | +$16.9M (+2.2%) |
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (21)
Institutions that held Phathom Pharmaceuticals, Inc. at the end of Q2 2026 but not at the end of Q1 2026.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Point72 Asset Management, L.P. | 1,022,193 | $11.1M | 0.02% |
| HSBC Holdings PLC | 709,695 | $7.70M | 0.00% |
| Jane Street Group, LLC | 212,706 | $2.31M | 0.00% |
| Opaleye Management Inc. | 185,589 | $2.01M | 0.18% |
| Jones Hill Capital LP | 161,486 | $1.75M | 0.37% |
| Schroder Investment Management Group | 101,745 | $1.11M | 0.00% |
| Arrowstreet Capital, Limited Partnership | 77,316 | $838.9K | 0.00% |
| Pale Fire Capital SE | 49,713 | $539.4K | 0.04% |
| Quantbot Technologies LP | 42,755 | $463.9K | 0.02% |
| Nomura Holdings Inc | 40,000 | $434.0K | 0.00% |
| Y-Intercept (Hong Kong) Ltd | 39,845 | $432.3K | 0.01% |
| Wealth Enhancement Advisory Services, LLC | 18,731 | $236.2K | 0.00% |
| Jupiter Topco LLC | 21,500 | $233.2K | 0.00% |
| Rafferty Asset Management, LLC | 12,756 | $138.4K | 0.00% |
| Fulcrum Asset Management LLP | 4,458 | $48.5K | 0.00% |
| Aster Capital Management (DIFC) Ltd | 508 | $5.51K | 0.00% |
| Fifth Third Bancorp | 218 | $2.37K | 0.00% |
| Quarry LP | 127 | $1.38K | 0.00% |
| Silver Grove Financial Group, Inc. | 81 | $879 | 0.00% |
| SRS Capital Advisors, Inc. | 42 | $456 | 0.00% |
| Clearstead Advisors, LLC | 5 | $55 | 0.00% |
Sold out (32)
Institutions that held Phathom Pharmaceuticals, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.
Not filed for Q2 2026 yet (2)
Institutions that held Phathom Pharmaceuticals, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q1 2026 | Value, Q1 2026 |
|---|---|---|
| Janus Henderson Group PLC | 21,500 | $239.4K |
| CWM, LLC | 1,864 | $20.7K |