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 2021
Institutional positions in Phathom Pharmaceuticals, Inc. as of Jun 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
- 79
- −5 vs. Q1 2021
- Shares held
- 24.9M
- +444.6K (+1.8%) vs. Q1 2021
- Total value
- $843.6M
- −$75.6M (−8.2%) vs. Q1 2021
- New holders
- 12
- 34 more added
- Sold out
- 17
- 14 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Frazier Management LLC | 5,827,415 | $197.3M | 18.19% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 3,115,008 | $105.4M | 1.69% | 00.0% | Unchanged |
| Medicxi Ventures Management (Jersey) Ltd | 2,067,861 | $70.0M | 12.54% | 00.0% | Unchanged |
| Invesco Ltd. | 2,021,400 | $68.4M | 0.02% | −7,531−0.4% | Reduced |
| Janus Henderson Group PLC | 1,951,634 | $66.1M | 0.03% | −2,814−0.1% | Reduced |
| Vanguard Group Inc | 1,559,289 | $52.8M | 0.00% | +79,697+5.4% | Added |
| Ensign Peak Advisors, Inc | 1,220,010 | $41.3M | 0.08% | −19,452−1.6% | Reduced |
| Abingworth LLP | 1,203,135 | $40.7M | 12.59% | 00.0% | Unchanged |
| BlackRock Inc. | 1,160,437 | $39.3M | 0.00% | +344,497+42.2% | Added |
| Eventide Asset Management, LLC | 600,000 | $20.3M | 0.27% | 00.0% | Unchanged |
| Gilder Gagnon Howe & Co LLC | 546,522 | $18.5M | 0.09% | −271,863−33.2% | Reduced |
| Greenspring Associates, LLC | 415,277 | $14.1M | 0.95% | +54,338+15.1% | Added |
| State Street Corp | 340,303 | $11.5M | 0.00% | +123,105+56.7% | Added |
| Norges Bank | 329,343 | $11.1M | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 281,373 | $9.52M | 0.00% | +71,865+34.3% | Added |
| GW&K Investment Management, LLC | 229,418 | $7.77M | 0.07% | +29,900+15.0% | Added |
| Northern Trust Corp | 194,876 | $6.60M | 0.00% | +63,020+47.8% | Added |
| Rhenman & Partners Asset Management AB | 186,210 | $6.30M | 0.43% | +11,210+6.4% | Added |
| Rothschild & Co Asset Management US Inc. | 171,376 | $5.80M | 0.07% | +171,376 | New |
| Jacobs Levy Equity Management, Inc | 115,339 | $3.90M | 0.03% | +115,339 | New |
| Charles Schwab Investment Management Inc | 107,120 | $3.63M | 0.00% | +19,864+22.8% | Added |
| WCM Investment Management, LLC | 103,987 | $3.52M | 0.01% | +103,987 | New |
| Ikarian Capital, LLC | 100,000 | $3.39M | 0.60% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 94,085 | $3.19M | 0.00% | +28,129+42.6% | Added |
| Penn Mutual Asset Management, LLC | 86,940 | $2.94M | 3.68% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 81,600 | $2.76M | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 80,374 | $2.72M | 0.00% | +71,833+841.0% | Added |
| Bank of America Corp | 63,544 | $2.15M | 0.00% | −1,460−2.2% | Reduced |
| Bank of New York Mellon Corp | 50,819 | $1.72M | 0.00% | +9,597+23.3% | Added |
| Pura Vida Investments, LLC | 45,211 | $1.53M | 0.11% | −18,561−29.1% | Reduced |
| Two Sigma Investments, LP | 39,984 | $1.35M | 0.00% | −14,671−26.8% | Reduced |
| SEI Investments Co | 39,428 | $1.33M | 0.00% | +39,428 | New |
| Marshall Wace North America L.P. | 34,436 | $1.17M | 0.00% | −3,094−8.2% | Reduced |
| Summit Rock Advisors, LP | 34,100 | $1.15M | 0.46% | 00.0% | Unchanged |
| Swiss National Bank | 31,000 | $1.05M | 0.00% | +14,400+86.7% | Added |
| Marshall Wace, LLP | 29,731 | $1.01M | 0.01% | −84,154−73.9% | Reduced |
| California State Teachers Retirement System | 27,938 | $946.0K | 0.00% | +10,475+60.0% | Added |
| Morgan Stanley | 26,492 | $896.0K | 0.00% | +26,433+44,801.7% | Added |
| Two Sigma Advisers, LP | 25,500 | $863.0K | 0.00% | −5,900−18.8% | Reduced |
| Chartwell Investment Partners, LLC | 22,589 | $765.0K | 0.02% | +22,589 | New |
| New York State Common Retirement Fund | 17,495 | $592.0K | 0.00% | +7,795+80.4% | Added |
| Rhumbline Advisers | 16,438 | $556.0K | 0.00% | +5,048+44.3% | Added |
| Cambridge Investment Research Advisors, Inc. | 16,300 | $552.0K | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 14,900 | $504.0K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 14,890 | $504.0K | 0.02% | +2,298+18.2% | Added |
| PDT Partners, LLC | 14,900 | $504.0K | 0.03% | +14,900 | New |
| Engineers Gate Manager LP | 14,310 | $484.0K | 0.03% | +5,054+54.6% | Added |
| Occidental Asset Management, LLC | 12,872 | $436.0K | 0.12% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 12,676 | $428.0K | 0.00% | +12,676 | New |
| Deutsche Bank AG | 12,569 | $425.0K | 0.00% | +5,144+69.3% | Added |
| JPMorgan Chase & Co | 12,345 | $418.0K | 0.00% | −182,029−93.6% | Reduced |
| Alliancebernstein L.P. | 12,300 | $416.0K | 0.00% | +1,800+17.1% | Added |
| Manufacturers Life Insurance Company, The | 11,889 | $402.0K | 0.00% | +4,765+66.9% | Added |
| American International Group, Inc. | 11,348 | $384.0K | 0.00% | +4,601+68.2% | Added |
| Voya Investment Management LLC | 7,968 | $270.0K | 0.00% | +7,968 | New |
| MetLife Investment Management | 7,762 | $262.7K | 0.00% | +2,674+52.6% | Added |
| Credit Suisse AG | 6,599 | $224.0K | 0.00% | +1,233+23.0% | Added |
| Virtus ETF Advisers LLC | 6,476 | $219.0K | 0.09% | −277−4.1% | Reduced |
| Metropolitan Life Insurance Co | 5,942 | $201.1K | 0.00% | +2,355+65.7% | Added |
| Amundi | 4,513 | $153.0K | 0.00% | +4,513 | New |
| STRS Ohio | 4,100 | $138.0K | 0.00% | +4,100 | New |
| Tower Research Capital LLC (TRC) | 3,833 | $130.0K | 0.00% | +2,517+191.3% | Added |
| Exane Derivatives | 2,837 | $96.6K | 0.02% | +871+44.3% | Added |
| Citigroup Inc | 2,840 | $96.0K | 0.00% | +993+53.8% | Added |
| Legal & General Group Plc | 2,439 | $82.0K | 0.00% | +888+57.3% | Added |
| Ameritas Investment Partners, Inc. | 1,588 | $54.0K | 0.00% | +663+71.7% | Added |
| Leonteq Securities AG | 1,500 | $50.8K | 0.00% | +1,500 | New |
| Royal Bank of Canada | 1,387 | $47.0K | 0.00% | +725+109.5% | Added |
| Advisor Group Holdings, Inc. | 1,223 | $41.0K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 850 | $29.0K | 0.00% | +707+494.4% | Added |
| UBS Group AG | 699 | $24.0K | 0.00% | −2,178−75.7% | Reduced |
| Cutler Group LP | 700 | $23.0K | 0.00% | 00.0% | Unchanged |
| Tradition Wealth Management, LLC | 340 | $12.0K | 0.00% | +15+4.6% | Added |
| Evolution Wealth Advisors, LLC | 288 | $10.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 132 | $4.00K | 0.00% | −100−43.1% | Reduced |
| Bessemer Group Inc | 101 | $3.00K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 35 | $1.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 17 | $1.00K | 0.00% | +17 | New |
| O'Shaughnessy Asset Management, LLC | 14 | $0 | 0.00% | 00.0% | Unchanged |
| Caas Capital Management LP | 0 | $0 | 0.00% | −210,973−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −41,678−100.0% | Sold out |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −30,207−100.0% | Sold out |
| Aviva PLC | 0 | $0 | 0.00% | −29,463−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −29,400−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −26,505−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −12,090−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −11,300−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −11,186−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −8,193−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −7,534−100.0% | Sold out |
| Chicago Partners Investment Group LLC | 0 | $0 | 0.00% | −5,266−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −3,527−100.0% | Sold out |
| HM Payson & Co | 0 | $0 | 0.00% | −365−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −341−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −151−100.0% | Sold out |