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 2022
Institutional positions in Phathom Pharmaceuticals, Inc. as of Mar 31, 2022. 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
- 82
- −1 vs. Q4 2021
- Shares held
- 25.7M
- −2.92M (−10.2%) vs. Q4 2021
- Total value
- $349.1M
- −$212.8M (−37.9%) vs. Q4 2021
- New holders
- 12
- 31 more added
- Sold out
- 13
- 24 more reduced
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 5,827,415 | $79.3M | 6.76% | +5,827,415 | New |
| Medicxi Ventures Management (Jersey) Ltd | 2,067,861 | $28.1M | 7.62% | 00.0% | Unchanged |
| Invesco Ltd. | 2,049,759 | $27.9M | 0.01% | −17,597−0.9% | Reduced |
| Janus Henderson Group PLC | 2,001,442 | $27.2M | 0.01% | +160,085+8.7% | Added |
| Avidity Partners Management LP | 1,946,000 | $26.5M | 0.59% | +50,000+2.6% | Added |
| Vanguard Group Inc | 1,942,701 | $26.4M | 0.00% | +14,857+0.8% | Added |
| Abingworth LLP | 1,435,106 | $19.5M | 5.53% | +231,971+19.3% | Added |
| BlackRock Inc. | 1,378,517 | $18.8M | 0.00% | −94,608−6.4% | Reduced |
| Ensign Peak Advisors, Inc | 1,104,759 | $15.0M | 0.03% | −210,958−16.0% | Reduced |
| Norges Bank | 660,690 | $8.99M | 0.00% | 00.0% | Unchanged |
| Gilder Gagnon Howe & Co LLC | 556,293 | $7.57M | 0.07% | +10,238+1.9% | Added |
| GW&K Investment Management, LLC | 479,642 | $6.53M | 0.06% | +96,090+25.1% | Added |
| StepStone Group LP | 422,085 | $5.75M | 0.43% | 00.0% | Unchanged |
| State Street Corp | 365,044 | $4.97M | 0.00% | +23,104+6.8% | Added |
| 683 Capital Management, LLC | 355,000 | $4.83M | 0.29% | +64,405+22.2% | Added |
| Eventide Asset Management, LLC | 336,223 | $4.58M | 0.07% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 313,817 | $4.27M | 0.00% | +20,619+7.0% | Added |
| Rhenman & Partners Asset Management AB | 235,210 | $3.20M | 0.32% | +49,000+26.3% | Added |
| Rothschild & Co Asset Management US Inc. | 206,607 | $2.81M | 0.04% | −37,832−15.5% | Reduced |
| MPM Oncology Impact Management LP | 193,326 | $2.63M | 0.71% | +193,326 | New |
| Northern Trust Corp | 178,810 | $2.43M | 0.00% | −9,095−4.8% | Reduced |
| JPMorgan Chase & Co | 175,562 | $2.39M | 0.00% | +3,001+1.7% | Added |
| Charles Schwab Investment Management Inc | 126,187 | $1.72M | 0.00% | +2,888+2.3% | Added |
| Pura Vida Investments, LLC | 102,328 | $1.39M | 0.17% | +600+0.6% | Added |
| Penn Mutual Asset Management, LLC | 86,940 | $1.18M | 1.37% | +86,940 | New |
| Morgan Stanley | 84,600 | $1.15M | 0.00% | −54,568−39.2% | Reduced |
| Ikarian Capital, LLC | 78,550 | $1.07M | 0.33% | +3,990+5.4% | Added |
| Dimensional Fund Advisors LP | 73,649 | $1.00M | 0.00% | +12,609+20.7% | Added |
| Bank of America Corp | 66,660 | $908.0K | 0.00% | −7,731−10.4% | Reduced |
| SEI Investments Co | 66,641 | $907.0K | 0.00% | +7,978+13.6% | Added |
| Parkman Healthcare Partners LLC | 65,553 | $892.0K | 0.26% | −11,928−15.4% | Reduced |
| Bank of New York Mellon Corp | 61,288 | $834.0K | 0.00% | +1,948+3.3% | Added |
| Nuveen Asset Management, LLC | 61,581 | $823.0K | 0.00% | +1,363+2.3% | Added |
| Hennion & Walsh Asset Management, Inc. | 51,052 | $695.0K | 0.04% | +20,158+65.2% | Added |
| Advisor Group Holdings, Inc. | 48,415 | $659.0K | 0.00% | +42,747+754.2% | Added |
| State of Wisconsin Investment Board | 44,300 | $603.0K | 0.00% | +29,400+197.3% | Added |
| Two Sigma Investments, LP | 40,216 | $547.0K | 0.00% | −23,580−37.0% | Reduced |
| Two Sigma Advisers, LP | 38,000 | $517.0K | 0.00% | +5,900+18.4% | Added |
| Summit Rock Advisors, LP | 34,100 | $464.0K | 0.28% | 00.0% | Unchanged |
| Swiss National Bank | 33,400 | $455.0K | 0.00% | +2,400+7.7% | Added |
| Chartwell Investment Partners, LLC | 30,590 | $416.0K | 0.01% | +8,396+37.8% | Added |
| Goldman Sachs Group Inc | 28,337 | $386.0K | 0.00% | −5,780−16.9% | Reduced |
| Marshall Wace, LLP | 24,352 | $330.0K | 0.00% | −7,813−24.3% | Reduced |
| PDT Partners, LLC | 21,200 | $289.0K | 0.02% | 00.0% | Unchanged |
| California State Teachers Retirement System | 20,625 | $281.0K | 0.00% | −2,224−9.7% | Reduced |
| Rhumbline Advisers | 19,968 | $272.0K | 0.00% | +2,761+16.0% | Added |
| New York State Common Retirement Fund | 14,569 | $198.0K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 12,302 | $167.4K | 0.00% | +4,540+58.5% | Added |
| Alliancebernstein L.P. | 11,700 | $159.0K | 0.00% | −1,200−9.3% | Reduced |
| Deutsche Bank AG | 11,541 | $157.0K | 0.00% | −1,298−10.1% | Reduced |
| American International Group, Inc. | 10,055 | $137.0K | 0.00% | −708−6.6% | Reduced |
| Virtus ETF Advisers LLC | 8,575 | $117.0K | 0.05% | −505−5.6% | Reduced |
| Barclays PLC | 6,967 | $94.0K | 0.00% | +6,967 | New |
| Exane Derivatives | 5,874 | $79.9K | 0.02% | +816+16.1% | Added |
| Legal & General Group Plc | 5,267 | $72.0K | 0.00% | +89+1.7% | Added |
| Tower Research Capital LLC (TRC) | 3,696 | $51.0K | 0.00% | +3,280+788.5% | Added |
| Amalgamated Bank | 3,309 | $45.0K | 0.00% | +3,309 | New |
| Amalgamated Financial Corp. | 3,309 | $45.0K | 0.00% | +3,309 | New |
| Quantbot Technologies LP | 2,600 | $35.0K | 0.00% | −200−7.1% | Reduced |
| Denali Advisors LLC | 2,500 | $34.0K | 0.01% | 00.0% | Unchanged |
| Citigroup Inc | 2,096 | $29.0K | 0.00% | −5,355−71.9% | Reduced |
| Wells Fargo & Company | 1,605 | $22.0K | 0.00% | −7,188−81.7% | Reduced |
| Ameritas Investment Partners, Inc. | 1,588 | $22.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 1,402 | $19.1K | 0.00% | −4,540−76.4% | Reduced |
| Royal Bank of Canada | 1,244 | $17.0K | 0.00% | −3,203−72.0% | Reduced |
| Aquatic Capital Management LLC | 1,000 | $14.0K | 0.02% | +300+42.9% | Added |
| Great West Life Assurance Co | 850 | $12.0K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 600 | $8.00K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 575 | $7.00K | 0.00% | −8,788−93.9% | Reduced |
| FMR LLC | 483 | $7.00K | 0.00% | +483 | New |
| Tradition Wealth Management, LLC | 400 | $5.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 231 | $3.00K | 0.00% | −462−66.7% | Reduced |
| Huntington National Bank | 120 | $2.00K | 0.00% | −5−4.0% | Reduced |
| Lindbrook Capital, LLC | 137 | $2.00K | 0.00% | +137 | New |
| Bessemer Group Inc | 101 | $1.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 92 | $1.00K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 80 | $1.00K | 0.00% | +8+11.1% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 39 | $1.00K | 0.00% | +39 | New |
| Signaturefd, LLC | 101 | $1.00K | 0.00% | +101 | New |
| IFP Advisors, Inc | 56 | $1.00K | 0.00% | +56 | New |
| Newbridge Financial Services Group, Inc. | 35 | $0 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 36 | $0 | 0.00% | +36 | New |
| Frazier Management LLC | 0 | $0 | 0.00% | −5,827,415−100.0% | Sold out |
| Ra Capital Management, L.P. | 0 | $0 | 0.00% | −3,115,008−100.0% | Sold out |
| Artal Group S.A. | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −165,642−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Pictet Asset Management SA | 0 | $0 | 0.00% | −16,197−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −11,466−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −11,443−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −1,329−100.0% | Sold out |
| Amplius Wealth Advisors, LLC | 0 | $0 | 0.00% | −660−100.0% | Sold out |
| HM Payson & Co | 0 | $0 | 0.00% | −111−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −49−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −20−100.0% | Sold out |