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, Q4 2024
Institutional positions in Phathom Pharmaceuticals, Inc. as of Dec 31, 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
- 144
- +14 vs. Q3 2024
- Shares held
- 66.7M
- −5.11M (−7.1%) vs. Q3 2024
- Total value
- $541.2M
- −$756.6M (−58.3%) vs. Q3 2024
- New holders
- 36
- 60 more added
- Sold out
- 22
- 26 more reduced
3 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Asset Management Americas Inc | 117,803 | $956.6K | 0.00% | +19,778+20.2% | Added |
| State of Wisconsin Investment Board | 132,269 | $1.07M | 0.00% | +50,499+61.8% | Added |
| Two Sigma Advisers, LP | 133,700 | $1.09M | 0.00% | +133,700 | New |
| Wellington Management Group LLP | 135,995 | $1.10M | 0.00% | −37,388−21.6% | Reduced |
| JPMorgan Chase & Co | 136,907 | $1.11M | 0.00% | +1,476+1.1% | Added |
| Oracle Investment Management Inc | 145,064 | $1.18M | 0.79% | −604,423−80.6% | Reduced |
| Nuveen Asset Management, LLC | 147,523 | $1.20M | 0.00% | −6,851−4.4% | Reduced |
| Bank of America Corp | 166,505 | $1.35M | 0.00% | +62,726+60.4% | Added |
| Susquehanna International Group, LLP | 235,404 | $1.91M | 0.00% | +56,734+31.8% | Added |
| Cubist Systematic Strategies, LLC | 282,553 | $2.29M | 0.04% | +282,553 | New |
| Charles Schwab Investment Management Inc | 353,038 | $2.87M | 0.00% | +60,178+20.5% | Added |
| Trexquant Investment LP | 378,637 | $3.07M | 0.04% | +378,637 | New |
| Northern Trust Corp | 397,964 | $3.23M | 0.00% | +77,189+24.1% | Added |
| Goldman Sachs Group Inc | 412,262 | $3.35M | 0.00% | −21,959−5.1% | Reduced |
| StepStone Group LP | 422,085 | $3.43M | 3.00% | 00.0% | Unchanged |
| Raymond James Financial Inc | 455,837 | $3.70M | 0.00% | +455,837 | New |
| Siren, L.L.C. | 460,753 | $3.74M | 0.17% | 00.0% | Unchanged |
| Prudential Financial Inc | 463,340 | $3.76M | 0.01% | +48,000+11.6% | Added |
| UBS Group AG | 465,616 | $3.78M | 0.00% | +393,675+547.2% | Added |
| Two Sigma Investments, LP | 485,790 | $3.94M | 0.01% | +331,760+215.4% | Added |
| Tang Capital Management LLC | 500,000 | $4.06M | 0.27% | +500,000 | New |
| Simplify Asset Management Inc. | 581,935 | $4.73M | 0.33% | +60,000+11.5% | Added |
| Decheng Capital LLC | 694,254 | $5.64M | 1.21% | −555,746−44.5% | Reduced |
| FMR LLC | 801,401 | $6.51M | 0.00% | −502,713−38.5% | Reduced |
| Morgan Stanley | 966,400 | $7.85M | 0.00% | +526,910+119.9% | Added |
| Propel Bio Management, LLC | 989,927 | $8.04M | 7.98% | +120,000+13.8% | Added |
| Woodline Partners LP | 1,001,692 | $8.13M | 0.06% | −1,571,720−61.1% | Reduced |
| Geode Capital Management, LLC | 1,018,495 | $8.27M | 0.00% | +155,577+18.0% | Added |
| 683 Capital Management, LLC | 1,025,000 | $8.32M | 0.82% | +15,000+1.5% | Added |
| State Street Corp | 1,039,936 | $8.44M | 0.00% | +117,148+12.7% | Added |
| GW&K Investment Management, LLC | 1,102,805 | $8.96M | 0.08% | −23,278−2.1% | Reduced |
| Catalys Pacific, LLC | 1,167,114 | $9.48M | 8.18% | +44,542+4.0% | Added |
| Avidity Partners Management LP | 1,390,100 | $11.3M | 1.13% | −414,393−23.0% | Reduced |
| Wasatch Advisors Inc | 1,558,928 | $12.7M | 0.06% | +1,311,986+531.3% | Added |
| NEA Management Company, LLC | 1,960,169 | $15.9M | 0.90% | 00.0% | Unchanged |
| Checkpoint Capital L.P. | 2,274,157 | $18.5M | 9.40% | +769,850+51.2% | Added |
| Ensign Peak Advisors, Inc | 2,527,054 | $20.5M | 0.04% | −54,334−2.1% | Reduced |
| Vanguard Group Inc | 2,779,561 | $22.6M | 0.00% | +83,238+3.1% | Added |
| Carlyle Group Inc. | 3,496,808 | $28.4M | 0.68% | 00.0% | Unchanged |
| BlackRock, Inc. | 3,502,375 | $28.4M | 0.00% | +379,805+12.2% | Added |
| Invesco Ltd. | 3,671,386 | $29.8M | 0.01% | −425,376−10.4% | Reduced |
| Jennison Associates LLC | 7,062,507 | $57.3M | 0.03% | +1,196,118+20.4% | Added |
| Medicxi Ventures Management (Jersey) Ltd | 7,464,572 | $60.6M | 11.46% | 00.0% | Unchanged |
| Frazier Life Sciences Management, L.P. | 10,109,279 | $82.1M | 3.41% | 00.0% | Unchanged |
| Portolan Capital Management, LLC | 0 | $0 | 0.00% | −1,699,918−100.0% | Sold out |
| OrbiMed Advisors LLC | 0 | $0 | 0.00% | −1,449,073−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −1,403,638−100.0% | Sold out |
| Saturn V Capital Management LLC | 0 | $0 | 0.00% | −874,590−100.0% | Sold out |
| Kennedy Capital Management, Inc. | 0 | $0 | 0.00% | −728,490−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −439,816−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −216,448−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −208,640−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −143,707−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −130,000−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −69,282−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −65,659−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −33,898−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −33,860−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −15,130−100.0% | Sold out |
| Cowen and Company, LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −13,483−100.0% | Sold out |
| LVW Advisors, LLC | 0 | $0 | 0.00% | −13,440−100.0% | Sold out |
| Davenport & Co LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −36−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| Eagle Asset Management Inc | – | – | – | – | Not filed |
| Ghost Tree Capital, LLC | – | – | – | – | Not filed |
| Chartwell Investment Partners, LLC | – | – | – | – | Not filed |