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, Q1 2023
Institutional positions in Phathom Pharmaceuticals, Inc. as of Mar 31, 2023. 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
- 84
- −1 vs. Q4 2022
- Shares held
- 30.8M
- +4.25M (+16.0%) vs. Q4 2022
- Total value
- $219.7M
- −$78.0M (−26.2%) vs. Q4 2022
- New holders
- 17
- 32 more added
- Sold out
- 18
- 18 more reduced
2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nisa Investment Advisors, LLC | 13 | $0 | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 35 | $250 | 0.00% | 00.0% | Unchanged |
| Crewe Advisors LLC | 107 | $764 | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 167 | $1.00K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 151 | $1.08K | 0.00% | +1+0.7% | Added |
| Tradition Wealth Management, LLC | 400 | $3.00K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 564 | $4.03K | 0.00% | +141+33.3% | Added |
| FMR LLC | 768 | $5.48K | 0.00% | +73+10.5% | Added |
| Great West Life Assurance Co | 850 | $6.00K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 946 | $6.75K | 0.00% | −186−16.4% | Reduced |
| Huntington National Bank | 965 | $6.89K | 0.00% | +40+4.3% | Added |
| Cutler Group LP | 1,100 | $7.00K | 0.00% | +700+175.0% | Added |
| Metropolitan Life Insurance Co | 1,373 | $9.80K | 0.00% | −29−2.1% | Reduced |
| Ameritas Investment Partners, Inc. | 1,588 | $11.3K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 1,649 | $11.8K | 0.00% | +1,649 | New |
| Tower Research Capital LLC (TRC) | 1,705 | $12.0K | 0.00% | +1,219+250.8% | Added |
| Royal Bank of Canada | 1,885 | $13.0K | 0.00% | −2,254−54.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,141 | $15.3K | 0.00% | +2,141 | New |
| Amalgamated Bank | 3,234 | $23.0K | 0.00% | −339−9.5% | Reduced |
| Legal & General Group Plc | 3,918 | $28.0K | 0.00% | −3,503−47.2% | Reduced |
| Wells Fargo & Company | 4,726 | $33.7K | 0.00% | +4,726 | New |
| Staley Capital Advisers Inc | 10,000 | $71.0K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 11,228 | $80.2K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 11,328 | $81.0K | 0.00% | +11,328 | New |
| Point72 Asset Management, L.P. | 11,505 | $82.1K | 0.00% | +11,505 | New |
| American International Group, Inc. | 11,840 | $84.5K | 0.00% | +236+2.0% | Added |
| MetLife Investment Management | 12,302 | $87.8K | 0.00% | 00.0% | Unchanged |
| Stratos Wealth Advisors, LLC | 12,500 | $89.3K | 0.01% | +12,500 | New |
| Barclays PLC | 12,526 | $89.4K | 0.00% | +3,647+41.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 13,234 | $94.5K | 0.00% | −26−0.2% | Reduced |
| Jane Street Group, LLC | 13,345 | $95.3K | 0.00% | −7,338−35.5% | Reduced |
| Belvedere Trading LLC | 13,525 | $96.6K | 0.04% | +13,525 | New |
| New York State Common Retirement Fund | 14,603 | $104.3K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 15,068 | $108.0K | 0.00% | +118+0.8% | Added |
| Deutsche Bank AG | 16,199 | $115.7K | 0.00% | +5,356+49.4% | Added |
| Credit Suisse AG | 16,661 | $119.0K | 0.00% | +1,216+7.9% | Added |
| Allworth Financial LP | 19,580 | $139.8K | 0.00% | +2,388+13.9% | Added |
| Creative Planning | 20,000 | $142.8K | 0.00% | +20,000 | New |
| Gsa Capital Partners LLP | 20,232 | $144.0K | 0.01% | +1,715+9.3% | Added |
| Inspirion Wealth Advisors, LLC | 23,249 | $166.0K | 0.03% | −20−0.1% | Reduced |
| California State Teachers Retirement System | 25,530 | $182.3K | 0.00% | +446+1.8% | Added |
| Alliancebernstein L.P. | 27,300 | $194.9K | 0.00% | +4,800+21.3% | Added |
| Two Sigma Investments, LP | 29,100 | $207.8K | 0.00% | +29,100 | New |
| Simplex Trading, LLC | 29,411 | $209.0K | 0.01% | +29,411 | New |
| Occidental Asset Management, LLC | 29,672 | $211.9K | 0.05% | 00.0% | Unchanged |
| Rhumbline Advisers | 32,761 | $234.0K | 0.00% | +2,029+6.6% | Added |
| Marshall Wace, LLP | 37,096 | $264.9K | 0.00% | +37,096 | New |
| Swiss National Bank | 40,400 | $288.5K | 0.00% | −1,100−2.7% | Reduced |
| Goldman Sachs Group Inc | 48,681 | $347.6K | 0.00% | −25,331−34.2% | Reduced |
| Millennium Management LLC | 57,863 | $413.0K | 0.00% | +57,863 | New |
| Hennion & Walsh Asset Management, Inc. | 58,042 | $414.0K | 0.03% | −1,364−2.3% | Reduced |
| Candriam Luxembourg S.C.A. | 63,778 | $419.1K | 0.00% | −19,579−23.5% | Reduced |
| Penn Mutual Asset Management, LLC | 62,802 | $448.4K | 0.43% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 77,337 | $552.2K | 0.00% | −2,598−3.3% | Reduced |
| Atom Investors LP | 86,607 | $618.4K | 0.34% | +86,607 | New |
| Morgan Stanley | 93,698 | $669.0K | 0.00% | +24,510+35.4% | Added |
| State of Wisconsin Investment Board | 95,167 | $679.5K | 0.00% | −2,612−2.7% | Reduced |
| UBS Oconnor LLC | 100,093 | $714.7K | 0.02% | +100,093 | New |
| Nuveen Asset Management, LLC | 108,284 | $773.0K | 0.00% | +357+0.3% | Added |
| JPMorgan Chase & Co | 133,587 | $954.0K | 0.00% | +4,438+3.4% | Added |
| Susquehanna International Group, LLP | 146,416 | $1.05M | 0.00% | +119,849+451.1% | Added |
| Charles Schwab Investment Management Inc | 171,607 | $1.23M | 0.00% | −1,647−1.0% | Reduced |
| Citadel Advisors LLC | 188,484 | $1.35M | 0.00% | +186,731+10,652.1% | Added |
| Silverarc Capital Management, LLC | 200,000 | $1.43M | 0.64% | +200,000 | New |
| MPM Oncology Impact Management LP | 212,615 | $1.52M | 0.39% | +16,673+8.5% | Added |
| Northern Trust Corp | 212,901 | $1.52M | 0.00% | +1,852+0.9% | Added |
| Simplify Asset Management Inc. | 237,935 | $1.70M | 0.30% | +237,935 | New |
| Bank of America Corp | 253,485 | $1.81M | 0.00% | +188,023+287.2% | Added |
| StepStone Group LP | 422,085 | $3.01M | 0.56% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 448,611 | $3.20M | 0.00% | +13,567+3.1% | Added |
| State Street Corp | 463,743 | $3.31M | 0.00% | +12,394+2.7% | Added |
| Opaleye Management Inc. | 496,000 | $3.54M | 1.06% | +78,500+18.8% | Added |
| Gilder Gagnon Howe & Co LLC | 553,829 | $3.95M | 0.07% | +2,002+0.4% | Added |
| GW&K Investment Management, LLC | 598,848 | $4.28M | 0.04% | +4,691+0.8% | Added |
| Newtyn Management, LLC | 682,027 | $4.87M | 0.96% | +197,953+40.9% | Added |
| Vanguard Group Inc | 1,177,497 | $8.41M | 0.00% | +100,892+9.4% | Added |
| 683 Capital Management, LLC | 1,325,500 | $9.46M | 0.85% | −24,500−1.8% | Reduced |
| BlackRock Inc. | 1,632,910 | $11.7M | 0.00% | −61,521−3.6% | Reduced |
| Ensign Peak Advisors, Inc | 1,761,191 | $12.6M | 0.03% | 00.0% | Unchanged |
| Avidity Partners Management LP | 2,048,600 | $14.6M | 0.49% | +148,600+7.8% | Added |
| Invesco Ltd. | 2,181,672 | $15.6M | 0.00% | −25,977−1.2% | Reduced |
| Medicxi Ventures Management (Jersey) Ltd | 2,484,274 | $17.7M | 7.60% | 00.0% | Unchanged |
| Carlyle Group Inc. | 2,935,106 | $20.9M | 0.62% | +2,935,106 | New |
| Frazier Life Sciences Management, L.P. | 8,407,152 | $60.0M | 4.35% | 00.0% | Unchanged |
| Rhenman & Partners Asset Management AB | 0 | $0 | 0.00% | −235,210−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −145,870−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −58,585−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −14,800−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −12,296−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −10,046−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −2,927−100.0% | Sold out |
| U.S. Capital Wealth Advisors, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −795−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −349−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −212−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −160−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −159−100.0% | Sold out |
| Whittier Trust Co | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |