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