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 2025
Institutional positions in Phathom Pharmaceuticals, Inc. as of Jun 30, 2025. 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
- 117
- −19 vs. Q1 2025
- Shares held
- 57.4M
- −6.62M (−10.3%) vs. Q1 2025
- Total value
- $550.5M
- +$149.1M (+37.1%) vs. Q1 2025
- New holders
- 17
- 43 more added
- Sold out
- 36
- 37 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 12,466,489 | $119.6M | 4.78% | +2,357,210+23.3% | Added |
| Medicxi Ventures Management (Jersey) Ltd | 7,464,572 | $71.6M | 16.75% | 00.0% | Unchanged |
| Invesco Ltd. | 4,140,072 | $39.7M | 0.01% | +489,260+13.4% | Added |
| Carlyle Group Inc. | 3,496,808 | $33.5M | 0.67% | 00.0% | Unchanged |
| BlackRock, Inc. | 3,315,348 | $31.8M | 0.00% | −8,255−0.2% | Reduced |
| Vanguard Group Inc | 2,787,311 | $26.7M | 0.00% | +8,624+0.3% | Added |
| Ensign Peak Advisors, Inc | 2,519,972 | $24.2M | 0.04% | +5,688+0.2% | Added |
| Millennium Management LLC | 2,250,497 | $21.6M | 0.02% | +1,727,134+330.0% | Added |
| 683 Capital Management, LLC | 2,105,000 | $20.2M | 2.05% | +660,000+45.7% | Added |
| NEA Management Company, LLC | 1,960,169 | $18.8M | 1.42% | 00.0% | Unchanged |
| Wasatch Advisors Inc | 1,461,895 | $14.0M | 0.07% | −239,732−14.1% | Reduced |
| Catalys Pacific, LLC | 1,167,114 | $11.2M | 8.50% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,069,927 | $10.3M | 0.00% | +53,504+5.3% | Added |
| Avidity Partners Management LP | 1,064,500 | $10.2M | 2.05% | +264,500+33.1% | Added |
| GW&K Investment Management, LLC | 1,048,472 | $10.1M | 0.09% | −55,836−5.1% | Reduced |
| Propel Bio Management, LLC | 922,927 | $8.85M | 10.74% | −212,000−18.7% | Reduced |
| State Street Corp | 849,424 | $8.15M | 0.00% | −51,930−5.8% | Reduced |
| Catalio Capital Management, LP | 672,290 | $6.45M | 1.35% | +672,290 | New |
| Moore Capital Management, LP | 600,000 | $5.75M | 0.11% | +600,000 | New |
| Simplify Asset Management Inc. | 521,935 | $5.01M | 0.30% | −160,000−23.5% | Reduced |
| Citigroup Inc | 517,247 | $4.96M | 0.00% | −13,612−2.6% | Reduced |
| StepStone Group LP | 422,085 | $4.05M | 8.03% | 00.0% | Unchanged |
| UBS Group AG | 419,473 | $4.02M | 0.00% | −288,105−40.7% | Reduced |
| Charles Schwab Investment Management Inc | 360,160 | $3.45M | 0.00% | +12,125+3.5% | Added |
| Northern Trust Corp | 359,324 | $3.45M | 0.00% | −27,299−7.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 306,399 | $2.94M | 0.02% | +306,399 | New |
| Susquehanna Portfolio Strategies, LLC | 267,962 | $2.57M | 0.06% | +267,962 | New |
| Goldman Sachs Group Inc | 192,526 | $1.85M | 0.00% | +4,652+2.5% | Added |
| Woodline Partners LP | 187,291 | $1.80M | 0.01% | −564,401−75.1% | Reduced |
| Ameriprise Financial Inc | 180,851 | $1.73M | 0.00% | +180,851 | New |
| Royal Bank of Canada | 157,941 | $1.51M | 0.00% | +147,759+1,451.2% | Added |
| Morgan Stanley | 154,928 | $1.49M | 0.00% | −976,104−86.3% | Reduced |
| JPMorgan Chase & Co | 138,516 | $1.33M | 0.00% | +1,123+0.8% | Added |
| Susquehanna International Group, LLP | 134,208 | $1.29M | 0.00% | −26,930−16.7% | Reduced |
| Bank of New York Mellon Corp | 121,166 | $1.16M | 0.00% | +6,631+5.8% | Added |
| Nuveen, LLC | 110,110 | $1.06M | 0.00% | +8,590+8.5% | Added |
| Bank of America Corp | 96,080 | $921.4K | 0.00% | −74,201−43.6% | Reduced |
| State of Wisconsin Investment Board | 90,781 | $870.6K | 0.00% | −8,995−9.0% | Reduced |
| Barclays PLC | 82,170 | $788.0K | 0.00% | +27,268+49.7% | Added |
| Rhumbline Advisers | 64,557 | $619.1K | 0.00% | +7,818+13.8% | Added |
| ADAR1 Capital Management, LLC | 63,424 | $608.2K | 0.10% | +20,624+48.2% | Added |
| Penn Mutual Asset Management, LLC | 62,802 | $602.3K | 1.06% | 00.0% | Unchanged |
| Creative Planning | 57,264 | $549.2K | 0.00% | −2,673−4.5% | Reduced |
| Alliancebernstein L.P. | 50,590 | $485.2K | 0.00% | +5,000+11.0% | Added |
| AQR Capital Management LLC | 49,924 | $478.8K | 0.00% | −57,475−53.5% | Reduced |
| Wells Fargo & Company | 46,678 | $447.6K | 0.00% | +18,253+64.2% | Added |
| Virtus Investment Advisers, Inc. | 44,306 | $424.9K | 0.14% | −658−1.5% | Reduced |
| Diadema Partners LP | 40,294 | $386.4K | 0.24% | +40,294 | New |
| Nebula Research & Development LLC | 37,937 | $363.8K | 0.03% | +9,116+31.6% | Added |
| Quest Partners LLC | 32,206 | $308.9K | 0.03% | +30,760+2,127.2% | Added |
| Commonwealth Equity Services, LLC | 31,556 | $303.0K | 0.00% | −20,875−39.8% | Reduced |
| Gilder Gagnon Howe & Co LLC | 31,358 | $300.7K | 0.00% | −10,208−24.6% | Reduced |
| Price T Rowe Associates Inc | 30,104 | $289.0K | 0.00% | +3,091+11.4% | Added |
| Kera Capital Partners, Inc. | 30,059 | $288.3K | 0.06% | +210+0.7% | Added |
| Occidental Asset Management, LLC | 29,672 | $284.6K | 0.04% | 00.0% | Unchanged |
| Intech Investment Management LLC | 28,192 | $270.4K | 0.00% | +6,708+31.2% | Added |
| Brevan Howard Capital Management LP | 27,834 | $266.9K | 0.00% | +27,834 | New |
| Deutsche Bank AG | 26,079 | $250.1K | 0.00% | −1,093−4.0% | Reduced |
| MetLife Investment Management | 25,845 | $247.9K | 0.00% | +1,479+6.1% | Added |
| Birchview Capital, LP | 25,000 | $239.8K | 0.24% | +25,000 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 23,334 | $223.8K | 0.00% | +171+0.7% | Added |
| Summit Financial Wealth Advisors, LLC | 22,143 | $212.4K | 0.04% | −9,000−28.9% | Reduced |
| Stifel Financial Corp | 20,467 | $196.3K | 0.00% | +3,069+17.6% | Added |
| Allworth Financial LP | 20,448 | $196.1K | 0.00% | −30−0.1% | Reduced |
| Inspirion Wealth Advisors, LLC | 19,814 | $190.0K | 0.03% | −50−0.3% | Reduced |
| Manufacturers Life Insurance Company, The | 15,826 | $151.8K | 0.00% | +1,364+9.4% | Added |
| Kestra Private Wealth Services, LLC | 15,500 | $148.6K | 0.00% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 15,146 | $145.0K | 0.00% | −64,165−80.9% | Reduced |
| Private Advisor Group, LLC | 14,580 | $139.8K | 0.00% | +14,580 | New |
| XTX Topco Ltd | 14,330 | $137.4K | 0.01% | −75,861−84.1% | Reduced |
| China Universal Asset Management Co., Ltd. | 14,022 | $134.5K | 0.01% | +307+2.2% | Added |
| Axq Capital, LP | 13,620 | $130.6K | 0.04% | +13,620 | New |
| Balyasny Asset Management LLC | 13,182 | $126.4K | 0.00% | −32,649−71.2% | Reduced |
| Voya Investment Management LLC | 11,823 | $113.4K | 0.00% | +753+6.8% | Added |
| Entropy Technologies, LP | 11,600 | $111.2K | 0.01% | +11,600 | New |
| Susquehanna Fundamental Investments, LLC | 11,473 | $110.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 11,265 | $108.0K | 0.00% | −449−3.8% | Reduced |
| Advisor Group Holdings, Inc. | 11,250 | $107.9K | 0.00% | 00.0% | Unchanged |
| Fiduciary Trust Co | 10,905 | $104.6K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 10,770 | $103.3K | 0.00% | 00.0% | Unchanged |
| Staley Capital Advisers Inc | 10,000 | $95.9K | 0.00% | 00.0% | Unchanged |
| Persistent Asset Partners Ltd | 9,421 | $90.3K | 0.08% | +9,421 | New |
| Police & Firemen's Retirement System of New Jersey | 8,251 | $79.1K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 5,881 | $56.4K | 0.00% | −503,701−98.8% | Reduced |
| Tower Research Capital LLC (TRC) | 5,710 | $54.8K | 0.00% | +2,102+58.3% | Added |
| BNP Paribas Arbitrage, SA | 5,072 | $48.6K | 0.00% | +2,122+71.9% | Added |
| Ameritas Investment Partners, Inc. | 4,311 | $41.3K | 0.00% | +1,216+39.3% | Added |
| Legal & General Group Plc | 4,087 | $39.2K | 0.00% | −32,351−88.8% | Reduced |
| Raymond James Financial Inc | 3,174 | $30.4K | 0.00% | +3,174 | New |
| California State Teachers Retirement System | 2,889 | $27.7K | 0.00% | −32,373−91.8% | Reduced |
| Russell Investments Group, Ltd. | 2,736 | $26.2K | 0.00% | −39,063−93.5% | Reduced |
| Skopos Labs, Inc. | 2,718 | $26.1K | 0.00% | −738−21.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 2,697 | $25.9K | 0.00% | +409+17.9% | Added |
| CWM, LLC | 2,093 | $20.0K | 0.00% | −5,291−71.7% | Reduced |
| GF Fund Management Co. Ltd. | 1,751 | $16.8K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 1,588 | $15.2K | 0.00% | +202+14.6% | Added |
| Amalgamated Bank | 1,354 | $13.0K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 1,347 | $12.9K | 0.00% | +1,037+334.5% | Added |
| C M Bidwell & Associates Ltd | 1,122 | $10.8K | 0.01% | +1,122 | New |
| Nisa Investment Advisors, LLC | 1,058 | $10.1K | 0.00% | +790+294.8% | Added |