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 2025
Institutional positions in Phathom Pharmaceuticals, Inc. as of Dec 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
- 173
- +40 vs. Q3 2025
- Shares held
- 62.0M
- −370.1K (−0.6%) vs. Q3 2025
- Total value
- $1.03B
- +$291.9M (+39.8%) vs. Q3 2025
- New holders
- 50
- 49 more added
- Sold out
- 10
- 50 more reduced
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 16 | $0 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 1 | $17 | 0.00% | +1 | New |
| EverSource Wealth Advisors, LLC | 5 | $83 | 0.00% | −66−93.0% | Reduced |
| SRS Capital Advisors, Inc. | 6 | $100 | 0.00% | −53−89.8% | Reduced |
| Essential Partners LLC | 6 | $100 | 0.00% | +6 | New |
| ZRC Wealth Management, LLC | 20 | $332 | 0.00% | 00.0% | Unchanged |
| Rachor Investment Advisory Services, LLC | 25 | $415 | 0.00% | +25 | New |
| Caitong International Asset Management Co., Ltd | 28 | $465 | 0.00% | +28 | New |
| Signaturefd, LLC | 40 | $664 | 0.00% | +40 | New |
| True Wealth Design, LLC | 95 | $1.58K | 0.00% | +7+8.0% | Added |
| Parallel Advisors, LLC | 100 | $1.66K | 0.00% | −86−46.2% | Reduced |
| Rockefeller Capital Management L.P. | 155 | $2.57K | 0.00% | +155 | New |
| Optiver Holding B.V. | 198 | $3.29K | 0.00% | −386−66.1% | Reduced |
| Fortitude Family Office, LLC | 208 | $3.45K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 260 | $4.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 277 | $4.59K | 0.00% | −7,000−96.2% | Reduced |
| GAMMA Investing LLC | 303 | $5.03K | 0.00% | −57−15.8% | Reduced |
| Massmutual Trust Co FSB | 320 | $5.31K | 0.00% | +33+11.5% | Added |
| Farther Finance Advisors, LLC | 342 | $5.67K | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 446 | $7.40K | 0.00% | +446 | New |
| Quantbot Technologies LP | 535 | $8.88K | 0.00% | −9,262−94.5% | Reduced |
| Federated Hermes, Inc. | 549 | $9.11K | 0.00% | +549 | New |
| Nisa Investment Advisors, LLC | 568 | $9.42K | 0.00% | +380+202.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 604 | $10.0K | 0.00% | +604 | New |
| Larson Financial Group LLC | 647 | $10.7K | 0.00% | 00.0% | Unchanged |
| C M Bidwell & Associates Ltd | 853 | $14.2K | 0.01% | −269−24.0% | Reduced |
| Strategic Wealth Advisors LLC | 1,000 | $16.0K | 0.01% | +1,000 | New |
| Quadrant Capital Group LLC | 1,073 | $17.8K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,097 | $18.2K | 0.00% | −465−29.8% | Reduced |
| Amalgamated Bank | 1,248 | $21.0K | 0.00% | −106−7.8% | Reduced |
| GF Fund Management Co. Ltd. | 1,397 | $23.2K | 0.00% | −129−8.5% | Reduced |
| The PNC Financial Services Group, Inc. | 1,421 | $23.6K | 0.00% | −127−8.2% | Reduced |
| Simplex Trading, LLC | 1,599 | $26.5K | 0.00% | −18,361−92.0% | Reduced |
| Sterling Capital Management LLC | 1,749 | $29.0K | 0.00% | −410−19.0% | Reduced |
| Huntington National Bank | 1,986 | $32.9K | 0.00% | −36−1.8% | Reduced |
| CWM, LLC | 2,008 | $33.0K | 0.00% | +40+2.0% | Added |
| Kestra Advisory Services, LLC | 2,275 | $37.7K | 0.00% | +2,275 | New |
| RiverPark Advisors, LLC | 2,807 | $46.6K | 0.01% | +2,807 | New |
| Jones Financial Companies LLLP | 2,871 | $47.6K | 0.00% | +348+13.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,457 | $57.4K | 0.00% | +714+26.0% | Added |
| Ameritas Investment Partners, Inc. | 3,527 | $58.5K | 0.00% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 4,600 | $76.3K | 0.00% | +500+12.2% | Added |
| Advisor Group Holdings, Inc. | 6,450 | $107.0K | 0.00% | −4,502−41.1% | Reduced |
| Russell Investments Group, Ltd. | 6,644 | $110.2K | 0.00% | +282+4.4% | Added |
| Great West Life Assurance Co | 6,818 | $113.0K | 0.00% | +6,818 | New |
| FMR LLC | 7,181 | $119.1K | 0.00% | +182+2.6% | Added |
| BNP Paribas Arbitrage, SA | 9,790 | $162.4K | 0.00% | +962+10.9% | Added |
| ProShare Advisors LLC | 10,377 | $172.2K | 0.00% | +10,377 | New |
| 9823 Capital, L.P. | 10,429 | $173.0K | 0.12% | +10,429 | New |
| Allworth Financial LP | 10,450 | $173.4K | 0.00% | −9,998−48.9% | Reduced |
| Axq Capital, LP | 10,540 | $174.9K | 0.04% | −9,322−46.9% | Reduced |
| Entropy Technologies, LP | 11,000 | $182.5K | 0.01% | +11,000 | New |
| Susquehanna Fundamental Investments, LLC | 11,473 | $190.3K | 0.01% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 11,592 | $192.3K | 0.01% | −843−6.8% | Reduced |
| Arizona State Retirement System | 11,867 | $196.9K | 0.00% | +11,867 | New |
| Police & Firemen's Retirement System of New Jersey | 11,925 | $197.8K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 12,438 | $206.3K | 0.00% | −2,174−14.9% | Reduced |
| Graham Capital Management, L.P. | 12,867 | $213.5K | 0.01% | +12,867 | New |
| Scientech Research LLC | 12,879 | $213.7K | 0.13% | +12,879 | New |
| Persistent Asset Partners Ltd | 12,916 | $214.3K | 0.10% | +12,916 | New |
| Rafferty Asset Management, LLC | 13,855 | $229.9K | 0.00% | +13,855 | New |
| KLP Kapitalforvaltning AS | 14,000 | $232.3K | 0.00% | +14,000 | New |
| Private Advisor Group, LLC | 14,580 | $241.9K | 0.00% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 14,900 | $247.2K | 0.00% | +4,578+44.4% | Added |
| Baader Bank INC | 15,000 | $248.8K | 0.02% | +15,000 | New |
| State of Wisconsin Investment Board | 15,285 | $253.6K | 0.00% | +15,285 | New |
| Virtu Financial LLC | 15,540 | $258.0K | 0.01% | +15,540 | New |
| Profund Advisors LLC | 15,562 | $258.2K | 0.01% | +3,392+27.9% | Added |
| Fiduciary Trust Co | 16,040 | $266.1K | 0.00% | −75−0.5% | Reduced |
| SG Americas Securities, LLC | 16,497 | $274.0K | 0.00% | +16,497 | New |
| Bridgefront Capital, LLC | 16,981 | $281.7K | 0.07% | +16,981 | New |
| Jump Financial, LLC | 17,408 | $288.8K | 0.00% | +17,408 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 18,460 | $306.3K | 0.00% | −942−4.9% | Reduced |
| Intech Investment Management LLC | 19,051 | $316.1K | 0.00% | −2,490−11.6% | Reduced |
| Inspirion Wealth Advisors, LLC | 19,814 | $328.7K | 0.04% | −16,820−45.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 19,890 | $330.0K | 0.00% | +19,890 | New |
| Kera Capital Partners, Inc. | 24,255 | $331.6K | 0.04% | −5,804−19.3% | Reduced |
| Fox Run Management, L.L.C. | 20,487 | $339.9K | 0.05% | +20,487 | New |
| Janus Henderson Group PLC | 21,500 | $356.6K | 0.00% | +21,500 | New |
| Jain Global LLC | 21,737 | $360.6K | 0.00% | +21,737 | New |
| Acadian Asset Management LLC | 22,185 | $367.0K | 0.00% | +22,185 | New |
| Summit Financial Wealth Advisors, LLC | 22,143 | $367.4K | 0.05% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 22,401 | $371.6K | 0.00% | −48,874−68.6% | Reduced |
| Royal Bank of Canada | 22,554 | $374.0K | 0.00% | −139,889−86.1% | Reduced |
| Raymond James Financial Inc | 24,390 | $404.6K | 0.00% | +10,996+82.1% | Added |
| MetLife Investment Management | 25,845 | $428.8K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 33,425 | $444.9K | 0.00% | +33,425 | New |
| HRT Financial LP | 27,010 | $448.0K | 0.00% | +4,489+19.9% | Added |
| Quest Partners LLC | 28,250 | $468.7K | 0.03% | −26,344−48.3% | Reduced |
| Citigroup Inc | 28,459 | $472.1K | 0.00% | +14,824+108.7% | Added |
| Tudor Investment Corp Et Al | 28,554 | $473.7K | 0.00% | −5,536−16.2% | Reduced |
| Occidental Asset Management, LLC | 29,919 | $496.4K | 0.06% | +247+0.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 30,488 | $505.8K | 0.01% | +30,488 | New |
| UBS Asset Management Americas Inc | 30,631 | $508.2K | 0.00% | +30,631 | New |
| Commonwealth Equity Services, LLC | 30,940 | $513.3K | 0.00% | +324+1.1% | Added |
| Schonfeld Strategic Advisors LLC | 30,944 | $513.4K | 0.00% | +30,944 | New |
| Deutsche Bank AG | 33,380 | $553.8K | 0.00% | +3,808+12.9% | Added |
| Legal & General Group Plc | 34,249 | $568.2K | 0.00% | +30,162+738.0% | Added |
| Tocqueville Asset Management L.P. | 34,700 | $575.7K | 0.01% | +10,000+40.5% | Added |
| Price T Rowe Associates Inc | 37,071 | $616.0K | 0.00% | +5,152+16.1% | Added |