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, Q3 2025
Institutional positions in Phathom Pharmaceuticals, Inc. as of Sep 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
- 133
- +16 vs. Q2 2025
- Shares held
- 62.3M
- +4.93M (+8.6%) vs. Q2 2025
- Total value
- $733.6M
- +$183.1M (+33.3%) vs. Q2 2025
- New holders
- 27
- 45 more added
- Sold out
- 11
- 28 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 16 | $0 | 0.00% | 00.0% | Unchanged |
| ZRC Wealth Management, LLC | 20 | $236 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 23 | $271 | 0.00% | −105−82.0% | Reduced |
| SRS Capital Advisors, Inc. | 59 | $695 | 0.00% | +59 | New |
| EverSource Wealth Advisors, LLC | 71 | $836 | 0.00% | −8−10.1% | Reduced |
| True Wealth Design, LLC | 88 | $1.04K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 186 | $2.19K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 188 | $2.21K | 0.00% | −870−82.2% | Reduced |
| Fortitude Family Office, LLC | 208 | $2.45K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 260 | $3.00K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 287 | $3.38K | 0.00% | +287 | New |
| Farther Finance Advisors, LLC | 342 | $4.03K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 360 | $4.24K | 0.00% | +336+1,400.0% | Added |
| Optiver Holding B.V. | 584 | $6.87K | 0.00% | +584 | New |
| Larson Financial Group LLC | 647 | $7.62K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 1,073 | $12.6K | 0.00% | +1,073 | New |
| C M Bidwell & Associates Ltd | 1,122 | $13.2K | 0.01% | 00.0% | Unchanged |
| Bear Mountain Capital, Inc. | 1,000 | $14.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 1,354 | $16.0K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 1,526 | $18.0K | 0.00% | −225−12.8% | Reduced |
| The PNC Financial Services Group, Inc. | 1,548 | $18.2K | 0.00% | +201+14.9% | Added |
| Tower Research Capital LLC (TRC) | 1,562 | $18.4K | 0.00% | −4,148−72.6% | Reduced |
| CWM, LLC | 1,968 | $23.0K | 0.00% | −125−6.0% | Reduced |
| Huntington National Bank | 2,022 | $23.8K | 0.00% | +434+27.3% | Added |
| Sterling Capital Management LLC | 2,159 | $25.4K | 0.00% | +1,256+139.1% | Added |
| Jones Financial Companies LLLP | 2,523 | $29.7K | 0.00% | +2,058+442.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 2,743 | $32.3K | 0.00% | +46+1.7% | Added |
| California State Teachers Retirement System | 2,891 | $34.0K | 0.00% | +2+0.1% | Added |
| Ameritas Investment Partners, Inc. | 3,527 | $41.5K | 0.00% | −784−18.2% | Reduced |
| Legal & General Group Plc | 4,087 | $48.1K | 0.00% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 4,100 | $48.3K | 0.00% | +4,100 | New |
| Group One Trading, L.P. | 4,248 | $50.0K | 0.00% | +4,248 | New |
| Leonteq Securities AG | 4,800 | $56.5K | 0.00% | +4,800 | New |
| Russell Investments Group, Ltd. | 6,362 | $74.9K | 0.00% | +3,626+132.5% | Added |
| FMR LLC | 6,999 | $82.4K | 0.00% | +1,118+19.0% | Added |
| Quarry LP | 7,007 | $82.5K | 0.02% | +5,983+584.3% | Added |
| US Bancorp | 7,277 | $85.7K | 0.00% | +7,000+2,527.1% | Added |
| BNP Paribas Arbitrage, SA | 8,828 | $103.9K | 0.00% | +3,756+74.1% | Added |
| Quantbot Technologies LP | 9,797 | $115.3K | 0.00% | +9,797 | New |
| Pathstone Holdings, LLC | 10,322 | $121.5K | 0.00% | +10,322 | New |
| New York State Common Retirement Fund | 10,770 | $126.8K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 10,952 | $129.9K | 0.00% | −298−2.6% | Reduced |
| Susquehanna Fundamental Investments, LLC | 11,473 | $135.0K | 0.01% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 11,925 | $140.4K | 0.00% | +3,674+44.5% | Added |
| Profund Advisors LLC | 12,170 | $143.2K | 0.00% | +12,170 | New |
| China Universal Asset Management Co., Ltd. | 12,435 | $146.4K | 0.01% | −1,587−11.3% | Reduced |
| Raymond James Financial Inc | 13,394 | $157.6K | 0.00% | +10,220+322.0% | Added |
| Citigroup Inc | 13,635 | $160.5K | 0.00% | −503,612−97.4% | Reduced |
| Private Advisor Group, LLC | 14,580 | $171.6K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 14,612 | $172.0K | 0.00% | −1,214−7.7% | Reduced |
| Kestra Private Wealth Services, LLC | 15,500 | $182.4K | 0.00% | 00.0% | Unchanged |
| Fiduciary Trust Co | 16,115 | $189.7K | 0.00% | +5,210+47.8% | Added |
| Omers Administration Corp | 16,500 | $194.2K | 0.00% | +16,500 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 19,402 | $228.4K | 0.00% | −3,932−16.9% | Reduced |
| Axq Capital, LP | 19,862 | $233.8K | 0.09% | +6,242+45.8% | Added |
| Stifel Financial Corp | 19,867 | $233.8K | 0.00% | −600−2.9% | Reduced |
| Simplex Trading, LLC | 19,960 | $234.0K | 0.01% | +19,960 | New |
| Allworth Financial LP | 20,448 | $240.7K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 21,541 | $253.5K | 0.00% | −6,651−23.6% | Reduced |
| HRT Financial LP | 22,521 | $265.0K | 0.00% | +22,521 | New |
| Summit Financial Wealth Advisors, LLC | 22,143 | $272.1K | 0.04% | 00.0% | Unchanged |
| Tocqueville Asset Management L.P. | 24,700 | $290.7K | 0.00% | +24,700 | New |
| MetLife Investment Management | 25,845 | $304.2K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 29,572 | $348.1K | 0.00% | +3,493+13.4% | Added |
| Occidental Asset Management, LLC | 29,672 | $349.2K | 0.04% | 00.0% | Unchanged |
| Kera Capital Partners, Inc. | 30,059 | $353.8K | 0.05% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 30,272 | $356.0K | 0.00% | +30,272 | New |
| Commonwealth Equity Services, LLC | 30,616 | $360.0K | 0.00% | −940−3.0% | Reduced |
| PharVision Advisers, LLC | 30,968 | $364.5K | 0.21% | +30,968 | New |
| Price T Rowe Associates Inc | 31,919 | $376.0K | 0.00% | +1,815+6.0% | Added |
| Tudor Investment Corp Et Al | 34,090 | $401.2K | 0.00% | +34,090 | New |
| Caxton Associates LLP | 38,570 | $454.0K | 0.01% | +38,570 | New |
| ADAR1 Capital Management, LLC | 42,900 | $504.9K | 0.05% | −20,524−32.4% | Reduced |
| Virtus Investment Advisers, Inc. | 44,306 | $521.5K | 0.15% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 45,590 | $536.6K | 0.00% | −5,000−9.9% | Reduced |
| AQR Capital Management LLC | 52,629 | $619.4K | 0.00% | +2,705+5.4% | Added |
| Wells Fargo & Company | 53,648 | $631.4K | 0.00% | +6,970+14.9% | Added |
| XTX Topco Ltd | 54,587 | $642.5K | 0.03% | +40,257+280.9% | Added |
| Quest Partners LLC | 54,594 | $642.6K | 0.04% | +22,388+69.5% | Added |
| Inspirion Wealth Advisors, LLC | 36,634 | $662.3K | 0.09% | +16,820+84.9% | Added |
| Brevan Howard Capital Management LP | 58,097 | $683.8K | 0.01% | +30,263+108.7% | Added |
| Rhumbline Advisers | 61,713 | $726.4K | 0.00% | −2,844−4.4% | Reduced |
| Penn Mutual Asset Management, LLC | 62,802 | $739.2K | 1.44% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 70,258 | $827.0K | 0.07% | +70,258 | New |
| ExodusPoint Capital Management, LP | 71,275 | $838.9K | 0.01% | +56,129+370.6% | Added |
| Creative Planning | 78,058 | $918.7K | 0.00% | +20,794+36.3% | Added |
| Trexquant Investment LP | 78,183 | $920.2K | 0.01% | +78,183 | New |
| Birchview Capital, LP | 85,000 | $1.00M | 0.76% | +60,000+240.0% | Added |
| Gilder Gagnon Howe & Co LLC | 88,542 | $1.04M | 0.01% | +57,184+182.4% | Added |
| Jane Street Group, LLC | 107,262 | $1.26M | 0.00% | +107,262 | New |
| Nuveen, LLC | 110,110 | $1.30M | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 127,382 | $1.50M | 0.00% | +6,216+5.1% | Added |
| Barclays PLC | 128,356 | $1.51M | 0.00% | +46,186+56.2% | Added |
| JPMorgan Chase & Co | 136,948 | $1.61M | 0.00% | −1,568−1.1% | Reduced |
| Wellington Management Group LLP | 146,459 | $1.72M | 0.00% | +146,459 | New |
| Goldman Sachs Group Inc | 152,032 | $1.79M | 0.00% | −40,494−21.0% | Reduced |
| Susquehanna International Group, LLP | 154,277 | $1.82M | 0.00% | +20,069+15.0% | Added |
| Royal Bank of Canada | 162,443 | $1.91M | 0.00% | +4,502+2.9% | Added |
| Woodline Partners LP | 187,291 | $2.20M | 0.01% | 00.0% | Unchanged |
| GWM Advisors LLC | 201,523 | $2.23M | 0.01% | +201,523 | New |