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 2021
Institutional positions in Phathom Pharmaceuticals, Inc. as of Sep 30, 2021. 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
- +5 vs. Q2 2021
- Shares held
- 25.5M
- +623.2K (+2.5%) vs. Q2 2021
- Total value
- $819.8M
- −$23.7M (−2.8%) vs. Q2 2021
- New holders
- 13
- 22 more added
- Sold out
- 8
- 23 more reduced
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Frazier Management LLC | 5,827,415 | $187.1M | 14.97% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 3,115,008 | $100.0M | 1.39% | 00.0% | Unchanged |
| Medicxi Ventures Management (Jersey) Ltd | 2,067,861 | $66.4M | 14.44% | 00.0% | Unchanged |
| Invesco Ltd. | 1,996,016 | $64.1M | 0.02% | −25,384−1.3% | Reduced |
| Janus Henderson Group PLC | 1,948,002 | $62.5M | 0.03% | −3,632−0.2% | Reduced |
| Vanguard Group Inc | 1,813,651 | $58.2M | 0.00% | +254,362+16.3% | Added |
| Abingworth LLP | 1,203,135 | $38.5M | 8.74% | 00.0% | Unchanged |
| BlackRock Inc. | 1,182,878 | $38.0M | 0.00% | +22,441+1.9% | Added |
| Ensign Peak Advisors, Inc | 1,170,224 | $37.6M | 0.08% | −49,786−4.1% | Reduced |
| Eventide Asset Management, LLC | 600,000 | $19.3M | 0.25% | 00.0% | Unchanged |
| Gilder Gagnon Howe & Co LLC | 550,240 | $17.7M | 0.09% | +3,718+0.7% | Added |
| StepStone Group LP | 422,085 | $13.5M | 0.88% | +422,085 | New |
| State Street Corp | 354,764 | $11.4M | 0.00% | +14,461+4.2% | Added |
| Norges Bank | 329,343 | $10.6M | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 283,863 | $9.11M | 0.00% | +2,490+0.9% | Added |
| GW&K Investment Management, LLC | 224,923 | $7.22M | 0.06% | −4,495−2.0% | Reduced |
| Great Point Partners LLC | 220,863 | $7.09M | 1.68% | +220,863 | New |
| Rhenman & Partners Asset Management AB | 186,210 | $5.98M | 0.42% | 00.0% | Unchanged |
| Northern Trust Corp | 186,076 | $5.97M | 0.00% | −8,800−4.5% | Reduced |
| Rothschild & Co Asset Management US Inc. | 171,506 | $5.50M | 0.07% | +130+0.1% | Added |
| JPMorgan Chase & Co | 168,988 | $5.42M | 0.00% | +156,643+1,268.9% | Added |
| FMR LLC | 154,200 | $4.95M | 0.00% | +154,200 | New |
| Charles Schwab Investment Management Inc | 120,871 | $3.88M | 0.00% | +13,751+12.8% | Added |
| WCM Investment Management, LLC | 104,380 | $3.35M | 0.01% | +393+0.4% | Added |
| Ikarian Capital, LLC | 99,560 | $3.20M | 0.73% | −440−0.4% | Reduced |
| Penn Mutual Asset Management, LLC | 86,940 | $2.79M | 4.41% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 81,600 | $2.62M | 0.01% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 71,034 | $2.28M | 0.02% | −44,305−38.4% | Reduced |
| Nuveen Asset Management, LLC | 69,595 | $2.23M | 0.00% | −24,490−26.0% | Reduced |
| Bank of America Corp | 64,534 | $2.07M | 0.00% | +990+1.6% | Added |
| Bank of New York Mellon Corp | 58,142 | $1.87M | 0.00% | +7,323+14.4% | Added |
| SEI Investments Co | 42,944 | $1.38M | 0.00% | +3,516+8.9% | Added |
| Dimensional Fund Advisors LP | 39,374 | $1.26M | 0.00% | +39,374 | New |
| Summit Rock Advisors, LP | 34,100 | $1.09M | 0.65% | 00.0% | Unchanged |
| Pura Vida Investments, LLC | 32,575 | $1.05M | 0.08% | −12,636−27.9% | Reduced |
| Swiss National Bank | 31,000 | $995.0K | 0.00% | 00.0% | Unchanged |
| Woodline Partners LP | 29,903 | $960.0K | 0.02% | +29,903 | New |
| Morgan Stanley | 26,733 | $857.0K | 0.00% | +241+0.9% | Added |
| Chartwell Investment Partners, LLC | 22,589 | $725.0K | 0.02% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 22,555 | $724.0K | 0.00% | −17,429−43.6% | Reduced |
| California State Teachers Retirement System | 22,473 | $721.0K | 0.00% | −5,465−19.6% | Reduced |
| Martingale Asset Management L P | 19,908 | $640.0K | 0.01% | +19,908 | New |
| Citadel Advisors LLC | 19,410 | $623.0K | 0.00% | −60,964−75.9% | Reduced |
| Rhumbline Advisers | 17,454 | $560.0K | 0.00% | +1,016+6.2% | Added |
| Two Sigma Advisers, LP | 16,400 | $526.0K | 0.00% | −9,100−35.7% | Reduced |
| Boothbay Fund Management, LLC | 14,921 | $479.0K | 0.02% | +31+0.2% | Added |
| State of Wisconsin Investment Board | 14,900 | $478.0K | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 14,900 | $478.0K | 0.03% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 14,617 | $469.0K | 0.00% | −2,878−16.5% | Reduced |
| Parametric Portfolio Associates LLC | 13,640 | $438.0K | 0.00% | +13,640 | New |
| Occidental Asset Management, LLC | 12,872 | $413.0K | 0.11% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 12,486 | $400.0K | 0.00% | −190−1.5% | Reduced |
| Deutsche Bank AG | 12,197 | $392.0K | 0.00% | −372−3.0% | Reduced |
| Manufacturers Life Insurance Company, The | 11,190 | $359.0K | 0.00% | −699−5.9% | Reduced |
| American International Group, Inc. | 11,085 | $356.0K | 0.00% | −263−2.3% | Reduced |
| Alliancebernstein L.P. | 11,000 | $353.0K | 0.00% | −1,300−10.6% | Reduced |
| Credit Suisse AG | 8,429 | $271.0K | 0.00% | +1,830+27.7% | Added |
| SG Americas Securities, LLC | 8,420 | $270.0K | 0.00% | +8,420 | New |
| Voya Investment Management LLC | 7,968 | $256.0K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 7,762 | $249.2K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 7,514 | $241.2K | 0.00% | +7,514 | New |
| Goldman Sachs Group Inc | 7,163 | $230.0K | 0.00% | +7,163 | New |
| Virtus ETF Advisers LLC | 6,150 | $197.0K | 0.09% | −326−5.0% | Reduced |
| Metropolitan Life Insurance Co | 5,942 | $190.7K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 5,480 | $176.0K | 0.00% | +2,640+93.0% | Added |
| Legal & General Group Plc | 5,178 | $167.0K | 0.00% | +2,739+112.3% | Added |
| Exane Derivatives | 5,058 | $162.4K | 0.04% | +2,221+78.3% | Added |
| STRS Ohio | 4,100 | $131.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 2,076 | $67.0K | 0.00% | +853+69.7% | Added |
| Royal Bank of Canada | 1,868 | $60.0K | 0.00% | +481+34.7% | Added |
| Ameritas Investment Partners, Inc. | 1,588 | $51.0K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 1,000 | $32.0K | 0.00% | +1,000 | New |
| Great West Life Assurance Co | 850 | $27.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 606 | $19.0K | 0.00% | −3,227−84.2% | Reduced |
| Cutler Group LP | 600 | $19.0K | 0.00% | −100−14.3% | Reduced |
| Tradition Wealth Management, LLC | 340 | $11.0K | 0.00% | 00.0% | Unchanged |
| Evolution Wealth Advisors, LLC | 114 | $4.00K | 0.00% | −174−60.4% | Reduced |
| Simplex Trading, LLC | 132 | $4.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 101 | $3.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 54 | $2.00K | 0.00% | +37+217.6% | Added |
| Newbridge Financial Services Group, Inc. | 35 | $1.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 25 | $1.00K | 0.00% | +25 | New |
| O'Shaughnessy Asset Management, LLC | 14 | $0 | 0.00% | 00.0% | Unchanged |
| Berman Capital Advisors, LLC | 9 | $0 | 0.00% | +9 | New |
| Greenspring Associates, LLC | 0 | $0 | 0.00% | −415,277−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −34,436−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −29,731−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −16,300−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −14,310−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −4,513−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −699−100.0% | Sold out |