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.
13F holders, Q2 2024
Institutional positions in Phathom Pharmaceuticals, Inc. as of Jun 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 114
- +1 vs. Q1 2024
- Shares held
- 58.1M
- +2.75M (+5.0%) vs. Q1 2024
- Total value
- $598.6M
- +$10.7M (+1.8%) vs. Q1 2024
- New holders
- 18
- 48 more added
- Sold out
- 17
- 21 more reduced
1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PHAT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 161 | $782.1M |
| Q1 2026 | 174 | $765.5M |
| Q4 2025 | 173 | $1.03B |
| Q3 2025 | 133 | $733.6M |
| Q2 2025 | 117 | $550.5M |
| Q1 2025 | 137 | $401.4M |
| Q4 2024 | 144 | $541.2M |
| Q3 2024 | 133 | $1.31B |
| Q2 2024 | 114 | $598.6M |
| Q1 2024 | 114 | $588.2M |
| Q4 2023 | 117 | $503.3M |
| Q3 2023 | 110 | $452.7M |
| Q2 2023 | 103 | $612.6M |
| Q1 2023 | 84 | $219.7M |
| Q4 2022 | 87 | $316.6M |
| Q3 2022 | 94 | $334.3M |
| Q2 2022 | 94 | $230.0M |
| Q1 2022 | 82 | $349.1M |
| Q4 2021 | 83 | $562.0M |
| Q3 2021 | 84 | $819.8M |
| Q2 2021 | 79 | $843.6M |
| Q1 2021 | 84 | $919.2M |
Institutions, Q2 2024
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Portolan Capital Management, LLC | 1,130,089 | $11.6M | 0.96% | +1,130,089 | New |
| 683 Capital Management, LLC | 1,400,000 | $14.4M | 1.51% | −250,000−15.2% | Reduced |
| Gilder Gagnon Howe & Co LLC | 1,472,259 | $15.2M | 0.19% | +454,642+44.7% | Added |
| Takeda Pharmaceutical Co Ltd | 1,557,063 | $16.0M | 6.90% | −1,596,154−50.6% | Reduced |
| Avidity Partners Management LP | 1,620,000 | $16.7M | 0.71% | −115,000−6.6% | Reduced |
| NEA Management Company, LLC | 1,960,169 | $20.2M | 1.52% | 00.0% | Unchanged |
| Vanguard Group Inc | 2,211,755 | $22.8M | 0.00% | +232,642+11.8% | Added |
| Ensign Peak Advisors, Inc | 2,244,828 | $23.1M | 0.04% | −35,172−1.5% | Reduced |
| Jennison Associates LLC | 2,757,579 | $28.4M | 0.02% | +1,109,882+67.4% | Added |
| BlackRock Inc. | 2,926,373 | $30.1M | 0.00% | +180,993+6.6% | Added |
| Invesco Ltd. | 3,143,452 | $32.4M | 0.01% | −16,337−0.5% | Reduced |
| Carlyle Group Inc. | 3,496,808 | $35.8M | 3.40% | 00.0% | Unchanged |
| Medicxi Ventures Management (Jersey) Ltd | 7,464,572 | $76.9M | 22.93% | 00.0% | Unchanged |
| Frazier Life Sciences Management, L.P. | 10,109,279 | $104.1M | 4.87% | 00.0% | Unchanged |
| Octagon Capital Advisors LP | 0 | $0 | 0.00% | −455,000−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −225,024−100.0% | Sold out |
| Newtyn Management, LLC | 0 | $0 | 0.00% | −165,000−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −64,138−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −59,437−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −28,583−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −22,044−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −20,987−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −18,873−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −15,802−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −12,138−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −10,783−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −11,228−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −1,818−100.0% | Sold out |
| ICA Group Wealth Management, LLC | 0 | $0 | 0.00% | −1,300−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −548−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Credit Suisse AG | – | – | – | – | Not filed |