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 2025
Institutional positions in Phathom Pharmaceuticals, Inc. as of Mar 31, 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
- 137
- −6 vs. Q4 2024
- Shares held
- 64.0M
- −2.51M (−3.8%) vs. Q4 2024
- Total value
- $401.4M
- −$138.6M (−25.7%) vs. Q4 2024
- New holders
- 25
- 47 more added
- Sold out
- 31
- 36 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 10,109,279 | $63.4M | 2.90% | 00.0% | Unchanged |
| Medicxi Ventures Management (Jersey) Ltd | 7,464,572 | $46.8M | 10.69% | 00.0% | Unchanged |
| Jennison Associates LLC | 7,042,325 | $44.2M | 0.03% | −20,182−0.3% | Reduced |
| Invesco Ltd. | 3,650,812 | $22.9M | 0.00% | −20,574−0.6% | Reduced |
| Carlyle Group Inc. | 3,496,808 | $21.9M | 0.58% | 00.0% | Unchanged |
| BlackRock, Inc. | 3,323,603 | $20.8M | 0.00% | −178,772−5.1% | Reduced |
| Vanguard Group Inc | 2,778,687 | $17.4M | 0.00% | −8740.0% | Reduced |
| Ensign Peak Advisors, Inc | 2,514,284 | $15.8M | 0.03% | −12,770−0.5% | Reduced |
| NEA Management Company, LLC | 1,960,169 | $12.3M | 0.95% | 00.0% | Unchanged |
| Wasatch Advisors Inc | 1,701,627 | $10.7M | 0.06% | +142,699+9.2% | Added |
| 683 Capital Management, LLC | 1,445,000 | $9.06M | 0.92% | +420,000+41.0% | Added |
| Tang Capital Management LLC | 1,200,000 | $7.52M | 0.42% | +700,000+140.0% | Added |
| Catalys Pacific, LLC | 1,167,114 | $7.32M | 4.92% | 00.0% | Unchanged |
| Propel Bio Management, LLC | 1,134,927 | $7.12M | 8.27% | +145,000+14.6% | Added |
| Morgan Stanley | 1,131,032 | $7.09M | 0.00% | +164,632+17.0% | Added |
| GW&K Investment Management, LLC | 1,104,308 | $6.92M | 0.06% | +1,503+0.1% | Added |
| Geode Capital Management, LLC | 1,016,423 | $6.37M | 0.00% | −2,072−0.2% | Reduced |
| State Street Corp | 901,354 | $5.65M | 0.00% | −138,582−13.3% | Reduced |
| Avidity Partners Management LP | 800,000 | $5.02M | 1.03% | −590,100−42.5% | Reduced |
| Woodline Partners LP | 751,692 | $4.71M | 0.03% | −250,000−25.0% | Reduced |
| UBS Group AG | 707,578 | $4.44M | 0.00% | +241,962+52.0% | Added |
| Simplify Asset Management Inc. | 681,935 | $4.28M | 0.20% | +100,000+17.2% | Added |
| Jacobs Levy Equity Management, Inc | 596,108 | $3.74M | 0.01% | +596,108 | New |
| Prudential Financial Inc | 568,630 | $3.57M | 0.01% | +105,290+22.7% | Added |
| Citigroup Inc | 530,859 | $3.33M | 0.00% | +486,282+1,090.9% | Added |
| Millennium Management LLC | 523,363 | $3.28M | 0.00% | +463,372+772.4% | Added |
| FMR LLC | 509,582 | $3.20M | 0.00% | −291,819−36.4% | Reduced |
| StepStone Group LP | 422,085 | $2.65M | 2.72% | 00.0% | Unchanged |
| Trexquant Investment LP | 398,751 | $2.50M | 0.03% | +20,114+5.3% | Added |
| Northern Trust Corp | 386,623 | $2.42M | 0.00% | −11,341−2.8% | Reduced |
| Charles Schwab Investment Management Inc | 348,035 | $2.18M | 0.00% | −5,003−1.4% | Reduced |
| Marshall Wace, LLP | 314,873 | $1.97M | 0.00% | +216,805+221.1% | Added |
| Wellington Management Group LLP | 200,690 | $1.26M | 0.00% | +64,695+47.6% | Added |
| Goldman Sachs Group Inc | 187,874 | $1.18M | 0.00% | −224,388−54.4% | Reduced |
| Citadel Advisors LLC | 179,721 | $1.13M | 0.00% | +107,714+149.6% | Added |
| Bank of America Corp | 170,281 | $1.07M | 0.00% | +3,776+2.3% | Added |
| Susquehanna International Group, LLP | 161,138 | $1.01M | 0.00% | −74,266−31.5% | Reduced |
| JPMorgan Chase & Co | 137,393 | $861.5K | 0.00% | +486+0.4% | Added |
| Bank of New York Mellon Corp | 114,535 | $718.1K | 0.00% | +11,787+11.5% | Added |
| AQR Capital Management LLC | 107,399 | $673.4K | 0.00% | +89,741+508.2% | Added |
| Nuveen, LLC | 101,520 | $636.5K | 0.00% | +101,520 | New |
| State of Wisconsin Investment Board | 99,776 | $625.6K | 0.00% | −32,493−24.6% | Reduced |
| UBS Asset Management Americas Inc | 99,744 | $625.4K | 0.00% | −18,059−15.3% | Reduced |
| Two Sigma Investments, LP | 97,327 | $610.2K | 0.00% | −388,463−80.0% | Reduced |
| XTX Topco Ltd | 90,191 | $565.5K | 0.03% | +90,191 | New |
| ExodusPoint Capital Management, LP | 79,311 | $497.0K | 0.01% | +79,311 | New |
| Swiss National Bank | 73,300 | $459.6K | 0.00% | 00.0% | Unchanged |
| Penn Mutual Asset Management, LLC | 62,802 | $393.8K | 0.76% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 60,056 | $376.6K | 0.00% | +38,986+185.0% | Added |
| Creative Planning | 59,937 | $375.8K | 0.00% | +36,694+157.9% | Added |
| Rhumbline Advisers | 56,739 | $355.7K | 0.00% | +771+1.4% | Added |
| Barclays PLC | 54,902 | $344.2K | 0.00% | −21,561−28.2% | Reduced |
| Commonwealth Equity Services, LLC | 52,431 | $329.0K | 0.00% | +1,659+3.3% | Added |
| Balyasny Asset Management LLC | 45,831 | $287.4K | 0.00% | +45,831 | New |
| Alliancebernstein L.P. | 45,590 | $285.8K | 0.00% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 44,964 | $281.9K | 0.08% | +44,964 | New |
| ADAR1 Capital Management, LLC | 42,800 | $268.4K | 0.05% | −12,600−22.7% | Reduced |
| Russell Investments Group, Ltd. | 41,799 | $262.1K | 0.00% | +41,799 | New |
| Gilder Gagnon Howe & Co LLC | 41,566 | $260.6K | 0.00% | −44−0.1% | Reduced |
| Legal & General Group Plc | 36,438 | $228.7K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 35,262 | $221.1K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 33,297 | $208.0K | 0.00% | +33,297 | New |
| Summit Financial Wealth Advisors, LLC | 31,143 | $195.3K | 0.04% | −36,982−54.3% | Reduced |
| Kera Capital Partners, Inc. | 29,849 | $187.2K | 0.06% | +3,000+11.2% | Added |
| Occidental Asset Management, LLC | 29,672 | $186.0K | 0.03% | 00.0% | Unchanged |
| Nebula Research & Development LLC | 28,821 | $180.7K | 0.02% | +7,858+37.5% | Added |
| Wells Fargo & Company | 28,425 | $178.2K | 0.00% | +2,909+11.4% | Added |
| Deutsche Bank AG | 27,172 | $170.4K | 0.00% | −3,041−10.1% | Reduced |
| Price T Rowe Associates Inc | 27,013 | $170.0K | 0.00% | +1,372+5.4% | Added |
| Engineers Gate Manager LP | 26,623 | $166.9K | 0.00% | −5,877−18.1% | Reduced |
| Sherbrooke Park Advisers LLC | 26,307 | $164.9K | 0.08% | +26,307 | New |
| Keybank National Association | 25,512 | $160.0K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 24,366 | $152.8K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 23,763 | $149.0K | 0.00% | +16,937+248.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 23,163 | $145.2K | 0.00% | +1,014+4.6% | Added |
| Simplex Trading, LLC | 22,474 | $140.0K | 0.00% | +17,079+316.6% | Added |
| Intech Investment Management LLC | 21,484 | $134.7K | 0.00% | +4,060+23.3% | Added |
| Inspirion Wealth Advisors, LLC | 19,864 | $124.5K | 0.02% | −100−0.5% | Reduced |
| Corebridge Financial, Inc. | 19,532 | $122.5K | 0.00% | +24+0.1% | Added |
| Corton Capital Inc. | 18,384 | $115.3K | 0.38% | +18,384 | New |
| Stifel Financial Corp | 17,398 | $109.1K | 0.00% | +17,398 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 15,710 | $98.5K | 0.00% | 00.0% | Unchanged |
| Kestra Private Wealth Services, LLC | 15,500 | $97.2K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 14,462 | $90.7K | 0.00% | +472+3.4% | Added |
| China Universal Asset Management Co., Ltd. | 13,715 | $86.0K | 0.01% | −784−5.4% | Reduced |
| Allworth Financial LP | 20,478 | $84.4K | 0.00% | +30+0.1% | Added |
| ProShare Advisors LLC | 11,714 | $73.4K | 0.00% | −2,575−18.0% | Reduced |
| Susquehanna Fundamental Investments, LLC | 11,473 | $71.9K | 0.00% | +11,473 | New |
| Advisor Group Holdings, Inc. | 11,250 | $70.5K | 0.00% | +7,958+241.7% | Added |
| Voya Investment Management LLC | 11,070 | $69.4K | 0.00% | −619−5.3% | Reduced |
| Fiduciary Trust Co | 10,905 | $68.4K | 0.00% | +10,905 | New |
| New York State Common Retirement Fund | 10,770 | $67.5K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 10,768 | $67.5K | 0.00% | −132−1.2% | Reduced |
| Atom Investors LP | 10,394 | $65.2K | 0.01% | +10,394 | New |
| Royal Bank of Canada | 10,182 | $64.0K | 0.00% | −1,405−12.1% | Reduced |
| Teacher Retirement System of Texas | 10,122 | $63.5K | 0.00% | −943−8.5% | Reduced |
| Staley Capital Advisers Inc | 10,000 | $62.7K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 9,100 | $57.1K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 8,251 | $51.7K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 7,384 | $46.0K | 0.00% | +7,349+20,997.1% | Added |