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 2022
Institutional positions in Phathom Pharmaceuticals, Inc. as of Dec 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
- 87
- −6 vs. Q3 2022
- Shares held
- 28.2M
- −1.97M (−6.5%) vs. Q3 2022
- Total value
- $316.6M
- −$17.8M (−5.3%) vs. Q3 2022
- New holders
- 9
- 30 more added
- Sold out
- 15
- 25 more reduced
1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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 2022
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 8,407,152 | $94.3M | 5.86% | 00.0% | Unchanged |
| Medicxi Ventures Management (Jersey) Ltd | 2,484,274 | $27.9M | 11.71% | 00.0% | Unchanged |
| Invesco Ltd. | 2,207,649 | $24.8M | 0.01% | +139,781+6.8% | Added |
| Avidity Partners Management LP | 1,900,000 | $21.3M | 0.50% | −6,800−0.4% | Reduced |
| Ensign Peak Advisors, Inc | 1,761,191 | $19.8M | 0.04% | 00.0% | Unchanged |
| BlackRock Inc. | 1,694,431 | $19.0M | 0.00% | +151,281+9.8% | Added |
| Abingworth LLP | 1,435,106 | $16.1M | 5.31% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 1,350,000 | $15.1M | 1.37% | −313,943−18.9% | Reduced |
| Vanguard Group Inc | 1,076,605 | $12.1M | 0.00% | +106,851+11.0% | Added |
| GW&K Investment Management, LLC | 594,157 | $6.67M | 0.07% | +998+0.2% | Added |
| Gilder Gagnon Howe & Co LLC | 551,827 | $6.19M | 0.12% | −615−0.1% | Reduced |
| Newtyn Management, LLC | 484,074 | $5.43M | 1.12% | +168,099+53.2% | Added |
| State Street Corp | 451,349 | $5.06M | 0.00% | +5,854+1.3% | Added |
| Geode Capital Management, LLC | 435,044 | $4.88M | 0.00% | +32,752+8.1% | Added |
| StepStone Group LP | 422,085 | $4.74M | 0.62% | 00.0% | Unchanged |
| Opaleye Management Inc. | 417,500 | $4.68M | 1.63% | +417,500 | New |
| Rothschild & Co Asset Management US Inc. | 245,658 | $2.76M | 0.04% | +38,230+18.4% | Added |
| Rhenman & Partners Asset Management AB | 235,210 | $2.64M | 0.28% | 00.0% | Unchanged |
| Northern Trust Corp | 211,049 | $2.37M | 0.00% | +19,340+10.1% | Added |
| MPM Oncology Impact Management LP | 195,942 | $2.20M | 0.57% | +2,616+1.4% | Added |
| Charles Schwab Investment Management Inc | 173,254 | $1.94M | 0.00% | +16,574+10.6% | Added |
| Walleye Capital LLC | 145,870 | $1.64M | 0.04% | +145,870 | New |
| JPMorgan Chase & Co | 129,149 | $1.45M | 0.00% | −42,221−24.6% | Reduced |
| Nuveen Asset Management, LLC | 107,927 | $1.21M | 0.00% | −9,652−8.2% | Reduced |
| State of Wisconsin Investment Board | 97,779 | $1.10M | 0.00% | +11,091+12.8% | Added |
| Candriam Luxembourg S.C.A. | 83,357 | $935.2K | 0.01% | −28,678−25.6% | Reduced |
| Bank of New York Mellon Corp | 79,935 | $896.9K | 0.00% | +6,415+8.7% | Added |
| Goldman Sachs Group Inc | 74,012 | $830.4K | 0.00% | +16,670+29.1% | Added |
| Morgan Stanley | 69,188 | $776.3K | 0.00% | −23,242−25.1% | Reduced |
| Bank of America Corp | 65,462 | $734.5K | 0.00% | −5,286−7.5% | Reduced |
| Penn Mutual Asset Management, LLC | 62,802 | $704.6K | 0.79% | −24,138−27.8% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 59,406 | $667.0K | 0.04% | +4,735+8.7% | Added |
| SEI Investments Co | 58,585 | $657.3K | 0.00% | −1,004−1.7% | Reduced |
| Swiss National Bank | 41,500 | $465.6K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 30,732 | $345.0K | 0.00% | +1,805+6.2% | Added |
| Occidental Asset Management, LLC | 29,672 | $332.9K | 0.09% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 26,567 | $298.1K | 0.00% | +2,668+11.2% | Added |
| California State Teachers Retirement System | 25,084 | $281.4K | 0.00% | +864+3.6% | Added |
| Inspirion Wealth Advisors, LLC | 23,269 | $261.1K | 0.06% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 22,500 | $252.4K | 0.00% | +6,700+42.4% | Added |
| Jane Street Group, LLC | 20,683 | $232.1K | 0.00% | −10,886−34.5% | Reduced |
| Gsa Capital Partners LLP | 18,517 | $208.0K | 0.03% | +18,517 | New |
| Allworth Financial LP | 17,192 | $192.9K | 0.00% | +2,816+19.6% | Added |
| Credit Suisse AG | 15,445 | $173.3K | 0.00% | +4,633+42.9% | Added |
| Price T Rowe Associates Inc | 14,950 | $168.0K | 0.00% | +315+2.2% | Added |
| Two Sigma Advisers, LP | 14,800 | $166.1K | 0.00% | −9,300−38.6% | Reduced |
| New York State Common Retirement Fund | 14,603 | $163.8K | 0.00% | −83−0.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 13,260 | $148.8K | 0.00% | +13,260 | New |
| MetLife Investment Management | 12,302 | $138.0K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 12,296 | $138.0K | 0.00% | −22,110−64.3% | Reduced |
| American International Group, Inc. | 11,604 | $130.2K | 0.00% | +671+6.1% | Added |
| State Board of Administration of Florida Retirement System | 11,228 | $126.0K | 0.00% | −4,870−30.3% | Reduced |
| Deutsche Bank AG | 10,843 | $121.7K | 0.00% | +152+1.4% | Added |
| AQR Capital Management LLC | 10,046 | $112.7K | 0.00% | +10,046 | New |
| Staley Capital Advisers Inc | 10,000 | $112.0K | 0.01% | 00.0% | Unchanged |
| Barclays PLC | 8,879 | $99.6K | 0.00% | +7,903+809.7% | Added |
| Legal & General Group Plc | 7,421 | $83.3K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 4,139 | $46.0K | 0.00% | +3,859+1,378.2% | Added |
| Amalgamated Bank | 3,573 | $40.0K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 2,927 | $32.8K | 0.00% | −400−12.0% | Reduced |
| Citadel Advisors LLC | 1,753 | $19.7K | 0.00% | +1,753 | New |
| Metropolitan Life Insurance Co | 1,402 | $15.7K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 1,588 | $13.9K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1,132 | $12.7K | 0.00% | −115−9.2% | Reduced |
| U.S. Capital Wealth Advisors, LLC | 1,000 | $11.2K | 0.00% | +1,000 | New |
| Huntington National Bank | 925 | $10.4K | 0.00% | −4−0.4% | Reduced |
| Great West Life Assurance Co | 850 | $10.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 795 | $8.92K | 0.00% | +167+26.6% | Added |
| FMR LLC | 695 | $7.80K | 0.00% | −520−42.8% | Reduced |
| Tower Research Capital LLC (TRC) | 486 | $5.00K | 0.00% | −3,965−89.1% | Reduced |
| China Universal Asset Management Co., Ltd. | 423 | $4.75K | 0.00% | +56+15.3% | Added |
| Cutler Group LP | 400 | $4.00K | 0.00% | 00.0% | Unchanged |
| Tradition Wealth Management, LLC | 400 | $4.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 349 | $3.92K | 0.00% | −60−14.7% | Reduced |
| Quadrant Capital Group LLC | 212 | $2.38K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 150 | $2.00K | 0.00% | −400−72.7% | Reduced |
| Daiwa Securities Group Inc. | 167 | $2.00K | 0.00% | +75+81.5% | Added |
| Massmutual Trust Co FSB | 160 | $2.00K | 0.00% | +132+471.4% | Added |
| Lindbrook Capital, LLC | 159 | $1.78K | 0.00% | −14−8.1% | Reduced |
| Crewe Advisors LLC | 107 | $1.20K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 35 | $393 | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 33 | $369 | 0.00% | +33 | New |
| Parallel Advisors, LLC | 29 | $325 | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 24 | $269 | 0.00% | −192−88.9% | Reduced |
| Rockefeller Capital Management L.P. | 29 | $0 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 13 | $0 | 0.00% | +13 | New |
| IFP Advisors, Inc | 6 | – | – | −56−90.3% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −2,414,897−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −154,093−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −52,801−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −50,396−100.0% | Sold out |
| Curi Capital | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −18,532−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −18,294−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −16,847−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −14,955−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −14,477−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −14,378−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −10,080−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −407−100.0% | Sold out |