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 2021
Institutional positions in Phathom Pharmaceuticals, Inc. as of Dec 31, 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
- 83
- 0 vs. Q3 2021
- Shares held
- 28.6M
- +3.03M (+11.9%) vs. Q3 2021
- Total value
- $562.0M
- −$257.9M (−31.5%) vs. Q3 2021
- New holders
- 18
- 33 more added
- Sold out
- 18
- 14 more reduced
1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Frazier Management LLC | 5,827,415 | $114.6M | 8.82% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 3,115,008 | $61.3M | 1.08% | 00.0% | Unchanged |
| Medicxi Ventures Management (Jersey) Ltd | 2,067,861 | $40.7M | 10.18% | 00.0% | Unchanged |
| Invesco Ltd. | 2,067,356 | $40.7M | 0.01% | +71,340+3.6% | Added |
| Vanguard Group Inc | 1,927,844 | $37.9M | 0.00% | +114,193+6.3% | Added |
| Avidity Partners Management LP | 1,896,000 | $37.3M | 0.79% | +1,896,000 | New |
| Janus Henderson Group PLC | 1,841,357 | $36.2M | 0.02% | −106,645−5.5% | Reduced |
| BlackRock Inc. | 1,473,125 | $29.0M | 0.00% | +290,247+24.5% | Added |
| Ensign Peak Advisors, Inc | 1,315,717 | $25.9M | 0.05% | +145,493+12.4% | Added |
| Abingworth LLP | 1,203,135 | $23.6M | 5.72% | 00.0% | Unchanged |
| Norges Bank | 660,690 | $13.0M | 0.00% | +331,347+100.6% | Added |
| Gilder Gagnon Howe & Co LLC | 546,055 | $10.7M | 0.06% | −4,185−0.8% | Reduced |
| StepStone Group LP | 422,085 | $8.30M | 0.48% | 00.0% | Unchanged |
| GW&K Investment Management, LLC | 383,552 | $7.54M | 0.06% | +158,629+70.5% | Added |
| State Street Corp | 341,940 | $6.73M | 0.00% | −12,824−3.6% | Reduced |
| Eventide Asset Management, LLC | 336,223 | $6.61M | 0.08% | −263,777−44.0% | Reduced |
| Geode Capital Management, LLC | 293,198 | $5.77M | 0.00% | +9,335+3.3% | Added |
| 683 Capital Management, LLC | 290,595 | $5.72M | 0.27% | +290,595 | New |
| Rothschild & Co Asset Management US Inc. | 244,439 | $4.81M | 0.06% | +72,933+42.5% | Added |
| Artal Group S.A. | 200,000 | $3.93M | 0.12% | +200,000 | New |
| Northern Trust Corp | 187,905 | $3.70M | 0.00% | +1,829+1.0% | Added |
| Rhenman & Partners Asset Management AB | 186,210 | $3.62M | 0.24% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 172,561 | $3.39M | 0.00% | +3,573+2.1% | Added |
| Jacobs Levy Equity Management, Inc | 165,642 | $3.26M | 0.02% | +94,608+133.2% | Added |
| Morgan Stanley | 139,168 | $2.74M | 0.00% | +112,435+420.6% | Added |
| Charles Schwab Investment Management Inc | 123,299 | $2.43M | 0.00% | +2,428+2.0% | Added |
| Pura Vida Investments, LLC | 101,728 | $2.00M | 0.21% | +69,153+212.3% | Added |
| Parkman Healthcare Partners LLC | 77,481 | $1.52M | 0.34% | +77,481 | New |
| Ikarian Capital, LLC | 74,560 | $1.47M | 0.42% | −25,000−25.1% | Reduced |
| Bank of America Corp | 74,391 | $1.46M | 0.00% | +9,857+15.3% | Added |
| Two Sigma Investments, LP | 63,796 | $1.25M | 0.00% | +41,241+182.8% | Added |
| Dimensional Fund Advisors LP | 61,040 | $1.20M | 0.00% | +21,666+55.0% | Added |
| Nuveen Asset Management, LLC | 60,218 | $1.18M | 0.00% | −9,377−13.5% | Reduced |
| Bank of New York Mellon Corp | 59,340 | $1.17M | 0.00% | +1,198+2.1% | Added |
| SEI Investments Co | 58,663 | $1.15M | 0.00% | +15,719+36.6% | Added |
| Laurion Capital Management LP | 50,000 | $984.0K | 0.02% | +50,000 | New |
| Summit Rock Advisors, LP | 34,100 | $671.0K | 0.40% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 34,117 | $671.0K | 0.00% | +26,954+376.3% | Added |
| Marshall Wace, LLP | 32,165 | $632.0K | 0.00% | +32,165 | New |
| Two Sigma Advisers, LP | 32,100 | $631.0K | 0.00% | +15,700+95.7% | Added |
| Swiss National Bank | 31,000 | $610.0K | 0.00% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 30,894 | $608.0K | 0.03% | +30,894 | New |
| California State Teachers Retirement System | 22,849 | $449.0K | 0.00% | +376+1.7% | Added |
| Chartwell Investment Partners, LLC | 22,194 | $437.0K | 0.01% | −395−1.7% | Reduced |
| PDT Partners, LLC | 21,200 | $417.0K | 0.03% | +6,300+42.3% | Added |
| Rhumbline Advisers | 17,207 | $338.0K | 0.00% | −247−1.4% | Reduced |
| Pictet Asset Management SA | 16,197 | $319.0K | 0.00% | +16,197 | New |
| State of Wisconsin Investment Board | 14,900 | $293.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 14,569 | $287.0K | 0.00% | −48−0.3% | Reduced |
| Alliancebernstein L.P. | 12,900 | $254.0K | 0.00% | +1,900+17.3% | Added |
| Deutsche Bank AG | 12,839 | $253.0K | 0.00% | +642+5.3% | Added |
| Citadel Advisors LLC | 11,466 | $226.0K | 0.00% | −7,944−40.9% | Reduced |
| Manufacturers Life Insurance Company, The | 11,443 | $225.0K | 0.00% | +253+2.3% | Added |
| American International Group, Inc. | 10,763 | $212.0K | 0.00% | −322−2.9% | Reduced |
| Russell Investments Group, Ltd. | 9,363 | $183.0K | 0.00% | −3,123−25.0% | Reduced |
| Virtus ETF Advisers LLC | 9,080 | $179.0K | 0.07% | +2,930+47.6% | Added |
| Wells Fargo & Company | 8,793 | $173.0K | 0.00% | +8,793 | New |
| MetLife Investment Management | 7,762 | $152.7K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 7,451 | $147.0K | 0.00% | +1,971+36.0% | Added |
| Metropolitan Life Insurance Co | 5,942 | $116.9K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 5,668 | $112.0K | 0.00% | +3,592+173.0% | Added |
| Legal & General Group Plc | 5,178 | $102.0K | 0.00% | 00.0% | Unchanged |
| Exane Derivatives | 5,058 | $99.5K | 0.02% | 00.0% | Unchanged |
| Royal Bank of Canada | 4,447 | $87.0K | 0.00% | +2,579+138.1% | Added |
| Quantbot Technologies LP | 2,800 | $55.0K | 0.00% | +1,800+180.0% | Added |
| Denali Advisors LLC | 2,500 | $49.0K | 0.02% | +2,500 | New |
| Ameritas Investment Partners, Inc. | 1,588 | $31.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 1,329 | $26.0K | 0.00% | +1,329 | New |
| Great West Life Assurance Co | 850 | $17.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 693 | $14.0K | 0.00% | +639+1,183.3% | Added |
| Aquatic Capital Management LLC | 700 | $14.0K | 0.03% | +700 | New |
| Amplius Wealth Advisors, LLC | 660 | $12.0K | 0.00% | +660 | New |
| Cutler Group LP | 600 | $11.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 416 | $8.00K | 0.00% | −190−31.4% | Reduced |
| Tradition Wealth Management, LLC | 400 | $8.00K | 0.00% | +60+17.6% | Added |
| Bessemer Group Inc | 101 | $2.00K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 125 | $2.00K | 0.00% | +125 | New |
| HM Payson & Co | 111 | $2.00K | 0.00% | +111 | New |
| Daiwa Securities Group Inc. | 92 | $2.00K | 0.00% | +92 | New |
| Newbridge Financial Services Group, Inc. | 35 | $1.00K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 49 | $1.00K | 0.00% | +49 | New |
| Parallel Advisors, LLC | 72 | $1.00K | 0.00% | +72 | New |
| Captrust Financial Advisors | 20 | $0 | 0.00% | −5−20.0% | Reduced |
| Great Point Partners LLC | 0 | $0 | 0.00% | −220,863−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −154,200−100.0% | Sold out |
| WCM Investment Management, LLC | 0 | $0 | 0.00% | −104,380−100.0% | Sold out |
| Penn Mutual Asset Management, LLC | 0 | $0 | 0.00% | −86,940−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −81,600−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −29,903−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −19,908−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −14,921−100.0% | Sold out |
| Parametric Portfolio Associates LLC | 0 | $0 | 0.00% | −13,640−100.0% | Sold out |
| Occidental Asset Management, LLC | 0 | $0 | 0.00% | −12,872−100.0% | Sold out |
| Credit Suisse AG | 0 | $0 | 0.00% | −8,429−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −8,420−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −7,968−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −7,514−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −4,100−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −132−100.0% | Sold out |
| Evolution Wealth Advisors, LLC | 0 | $0 | 0.00% | −114−100.0% | Sold out |