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, Q2 2023
Institutional positions in Phathom Pharmaceuticals, Inc. as of Jun 30, 2023. 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
- 103
- +19 vs. Q1 2023
- Shares held
- 42.8M
- +12.0M (+39.0%) vs. Q1 2023
- Total value
- $612.6M
- +$392.9M (+178.8%) vs. Q1 2023
- New holders
- 28
- 41 more added
- Sold out
- 9
- 20 more reduced
Compare with Q1 2023: 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, Q2 2023
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 10,109,279 | $144.8M | 8.65% | +1,702,127+20.2% | Added |
| Medicxi Ventures Management (Jersey) Ltd | 3,760,869 | $53.9M | 15.09% | +1,276,595+51.4% | Added |
| Carlyle Group Inc. | 3,496,808 | $50.1M | 1.78% | +561,702+19.1% | Added |
| Invesco Ltd. | 3,332,137 | $47.7M | 0.01% | +1,150,465+52.7% | Added |
| BlackRock Inc. | 2,002,632 | $28.7M | 0.00% | +369,722+22.6% | Added |
| Avidity Partners Management LP | 1,949,700 | $27.9M | 0.98% | −98,900−4.8% | Reduced |
| Ensign Peak Advisors, Inc | 1,757,127 | $25.2M | 0.05% | −4,064−0.2% | Reduced |
| Vanguard Group Inc | 1,742,337 | $25.0M | 0.00% | +564,840+48.0% | Added |
| 683 Capital Management, LLC | 1,287,500 | $18.4M | 1.79% | −38,000−2.9% | Reduced |
| NEA Management Company, LLC | 1,276,595 | $18.3M | 1.40% | +1,276,595 | New |
| Gilder Gagnon Howe & Co LLC | 1,060,605 | $15.2M | 0.21% | +506,776+91.5% | Added |
| Kennedy Capital Management, Inc. | 1,049,675 | $15.0M | 0.35% | +1,049,675 | New |
| Decheng Capital Management III (Cayman), LLC | 850,000 | $12.2M | 3.82% | +850,000 | New |
| EcoR1 Capital, LLC | 700,000 | $10.0M | 0.26% | +700,000 | New |
| Newtyn Management, LLC | 683,648 | $9.79M | 2.31% | +1,621+0.2% | Added |
| Woodline Partners LP | 673,688 | $9.65M | 0.11% | +673,688 | New |
| Deerfield Management Company, L.P. (Series C) | 656,000 | $9.39M | 0.20% | +656,000 | New |
| GW&K Investment Management, LLC | 592,388 | $8.48M | 0.08% | −6,460−1.1% | Reduced |
| State Street Corp | 529,843 | $7.59M | 0.00% | +66,100+14.3% | Added |
| Geode Capital Management, LLC | 490,123 | $7.02M | 0.00% | +41,512+9.3% | Added |
| StepStone Group LP | 422,085 | $6.04M | 1.12% | 00.0% | Unchanged |
| MPM Oncology Impact Management LP | 282,332 | $4.04M | 0.81% | +69,717+32.8% | Added |
| Tang Capital Management LLC | 250,000 | $3.58M | 0.53% | +250,000 | New |
| Simplify Asset Management Inc. | 237,935 | $3.41M | 0.62% | 00.0% | Unchanged |
| Northern Trust Corp | 217,186 | $3.11M | 0.00% | +4,285+2.0% | Added |
| Altium Capital Management LP | 207,432 | $2.97M | 2.32% | +207,432 | New |
| Silverarc Capital Management, LLC | 200,000 | $2.86M | 0.97% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 181,609 | $2.60M | 0.00% | +73,325+67.7% | Added |
| Charles Schwab Investment Management Inc | 178,870 | $2.56M | 0.00% | +7,263+4.2% | Added |
| Federated Hermes, Inc. | 163,956 | $2.35M | 0.01% | +163,956 | New |
| Goldman Sachs Group Inc | 154,668 | $2.21M | 0.00% | +105,987+217.7% | Added |
| Ghost Tree Capital, LLC | 154,250 | $2.21M | 0.80% | +154,250 | New |
| UBS Oconnor LLC | 140,280 | $2.01M | 0.04% | +40,187+40.1% | Added |
| JPMorgan Chase & Co | 133,996 | $1.92M | 0.00% | +409+0.3% | Added |
| AlphaCentric Advisors LLC | 130,000 | $1.86M | 1.03% | +130,000 | New |
| D. E. Shaw & Co., Inc. | 113,693 | $1.63M | 0.00% | +113,693 | New |
| Wellington Management Group LLP | 98,013 | $1.40M | 0.00% | +98,013 | New |
| State of Wisconsin Investment Board | 86,295 | $1.24M | 0.00% | −8,872−9.3% | Reduced |
| Bank of New York Mellon Corp | 78,587 | $1.13M | 0.00% | +1,250+1.6% | Added |
| Morgan Stanley | 72,382 | $1.04M | 0.00% | −21,316−22.7% | Reduced |
| Swiss National Bank | 71,500 | $1.02M | 0.00% | +31,100+77.0% | Added |
| Jacobs Levy Equity Management, Inc | 70,803 | $1.01M | 0.01% | +70,803 | New |
| Susquehanna International Group, LLP | 63,408 | $908.0K | 0.00% | −83,008−56.7% | Reduced |
| Penn Mutual Asset Management, LLC | 62,802 | $899.3K | 0.81% | 00.0% | Unchanged |
| Moore Capital Management, LP | 60,000 | $859.2K | 0.02% | +60,000 | New |
| Hennion & Walsh Asset Management, Inc. | 58,658 | $840.0K | 0.05% | +616+1.1% | Added |
| Bank of America Corp | 56,082 | $803.1K | 0.00% | −197,403−77.9% | Reduced |
| Gsa Capital Partners LLP | 53,909 | $772.0K | 0.08% | +33,677+166.5% | Added |
| Atom Investors LP | 53,286 | $763.1K | 0.29% | −33,321−38.5% | Reduced |
| Rhumbline Advisers | 50,205 | $718.9K | 0.00% | +17,444+53.2% | Added |
| Two Sigma Investments, LP | 41,500 | $594.3K | 0.00% | +12,400+42.6% | Added |
| Credit Suisse AG | 39,464 | $565.1K | 0.00% | +22,803+136.9% | Added |
| Alliancebernstein L.P. | 37,700 | $539.9K | 0.00% | +10,400+38.1% | Added |
| FMR LLC | 37,324 | $534.5K | 0.00% | +36,556+4,759.9% | Added |
| California State Teachers Retirement System | 37,071 | $530.9K | 0.00% | +11,541+45.2% | Added |
| Legal & General Group Plc | 32,276 | $462.3K | 0.00% | +28,358+723.8% | Added |
| Inspirion Wealth Advisors, LLC | 30,134 | $431.5K | 0.08% | +6,885+29.6% | Added |
| Occidental Asset Management, LLC | 29,672 | $424.9K | 0.10% | 00.0% | Unchanged |
| Millennium Management LLC | 27,941 | $400.1K | 0.00% | −29,922−51.7% | Reduced |
| Simplex Trading, LLC | 24,326 | $348.0K | 0.01% | −5,085−17.3% | Reduced |
| Creative Planning | 20,475 | $293.2K | 0.00% | +475+2.4% | Added |
| Allworth Financial LP | 19,580 | $280.4K | 0.00% | 00.0% | Unchanged |
| Trexquant Investment LP | 18,301 | $262.1K | 0.01% | +18,301 | New |
| Ergoteles LLC | 18,300 | $262.1K | 0.01% | +18,300 | New |
| Citadel Advisors LLC | 16,915 | $242.2K | 0.00% | −171,569−91.0% | Reduced |
| Vestcor Inc | 16,895 | $242.0K | 0.01% | +16,895 | New |
| UBS Group AG | 16,806 | $240.7K | 0.00% | +16,806 | New |
| Price T Rowe Associates Inc | 13,432 | $193.0K | 0.00% | −1,636−10.9% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 13,444 | $192.5K | 0.00% | +210+1.6% | Added |
| Stratos Wealth Advisors, LLC | 12,500 | $179.0K | 0.01% | 00.0% | Unchanged |
| MetLife Investment Management | 12,302 | $176.2K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 11,846 | $169.6K | 0.00% | +6+0.1% | Added |
| Jane Street Group, LLC | 11,200 | $160.4K | 0.00% | −2,145−16.1% | Reduced |
| Deutsche Bank AG | 11,129 | $159.4K | 0.00% | −5,070−31.3% | Reduced |
| Barclays PLC | 10,813 | $154.8K | 0.00% | −1,713−13.7% | Reduced |
| Principal Financial Group Inc | 10,542 | $151.0K | 0.00% | +10,542 | New |
| Manufacturers Life Insurance Company, The | 10,416 | $149.2K | 0.00% | +10,416 | New |
| Voya Investment Management LLC | 10,045 | $143.8K | 0.00% | +10,045 | New |
| Staley Capital Advisers Inc | 10,000 | $143.2K | 0.01% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 10,000 | $143.0K | 0.00% | +10,000 | New |
| Wells Fargo & Company | 9,598 | $137.4K | 0.00% | +4,872+103.1% | Added |
| Citigroup Inc | 9,084 | $130.1K | 0.00% | +8,138+860.3% | Added |
| Russell Investments Group, Ltd. | 8,981 | $128.6K | 0.00% | +8,981 | New |
| Virtus ETF Advisers LLC | 8,515 | $121.9K | 0.07% | +8,515 | New |
| New York State Common Retirement Fund | 5,666 | $81.1K | 0.00% | −8,937−61.2% | Reduced |
| Advisor Group Holdings, Inc. | 4,251 | $59.4K | 0.00% | +4,100+2,715.2% | Added |
| Amalgamated Bank | 2,575 | $37.0K | 0.00% | −659−20.4% | Reduced |
| Royal Bank of Canada | 2,502 | $36.0K | 0.00% | +617+32.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,788 | $25.6K | 0.00% | −353−16.5% | Reduced |
| Ameritas Investment Partners, Inc. | 1,588 | $22.7K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 1,373 | $19.7K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 1,200 | $17.0K | 0.00% | +100+9.1% | Added |
| Huntington National Bank | 1,069 | $15.3K | 0.00% | +104+10.8% | Added |
| Great West Life Assurance Co | 850 | $12.0K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 717 | $10.3K | 0.00% | +153+27.1% | Added |
| Tradition Wealth Management, LLC | 500 | $7.00K | 0.00% | +100+25.0% | Added |
| Tower Research Capital LLC (TRC) | 477 | $6.83K | 0.00% | −1,228−72.0% | Reduced |
| BerganKDV Wealth Management, LLC | 140 | $2.00K | 0.00% | +140 | New |
| Daiwa Securities Group Inc. | 167 | $2.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 132 | $1.89K | 0.00% | +132 | New |