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 |
|---|---|---|---|---|---|
| Captrust Financial Advisors | 20 | $0 | 0.00% | −5−20.0% | Reduced |
| 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 |
| 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 |
| 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 |
| Cutler Group LP | 600 | $11.0K | 0.00% | 00.0% | Unchanged |
| Amplius Wealth Advisors, LLC | 660 | $12.0K | 0.00% | +660 | New |
| US Bancorp | 693 | $14.0K | 0.00% | +639+1,183.3% | Added |
| Aquatic Capital Management LLC | 700 | $14.0K | 0.03% | +700 | New |
| Great West Life Assurance Co | 850 | $17.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 1,329 | $26.0K | 0.00% | +1,329 | New |
| Ameritas Investment Partners, Inc. | 1,588 | $31.0K | 0.00% | 00.0% | Unchanged |
| Denali Advisors LLC | 2,500 | $49.0K | 0.02% | +2,500 | New |
| Quantbot Technologies LP | 2,800 | $55.0K | 0.00% | +1,800+180.0% | Added |
| Royal Bank of Canada | 4,447 | $87.0K | 0.00% | +2,579+138.1% | Added |
| Exane Derivatives | 5,058 | $99.5K | 0.02% | 00.0% | Unchanged |
| Legal & General Group Plc | 5,178 | $102.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 5,668 | $112.0K | 0.00% | +3,592+173.0% | Added |
| Metropolitan Life Insurance Co | 5,942 | $116.9K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 7,451 | $147.0K | 0.00% | +1,971+36.0% | Added |
| MetLife Investment Management | 7,762 | $152.7K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 8,793 | $173.0K | 0.00% | +8,793 | New |
| Virtus ETF Advisers LLC | 9,080 | $179.0K | 0.07% | +2,930+47.6% | Added |
| Russell Investments Group, Ltd. | 9,363 | $183.0K | 0.00% | −3,123−25.0% | Reduced |
| American International Group, Inc. | 10,763 | $212.0K | 0.00% | −322−2.9% | Reduced |
| Manufacturers Life Insurance Company, The | 11,443 | $225.0K | 0.00% | +253+2.3% | Added |
| Citadel Advisors LLC | 11,466 | $226.0K | 0.00% | −7,944−40.9% | Reduced |
| Deutsche Bank AG | 12,839 | $253.0K | 0.00% | +642+5.3% | Added |
| Alliancebernstein L.P. | 12,900 | $254.0K | 0.00% | +1,900+17.3% | Added |
| New York State Common Retirement Fund | 14,569 | $287.0K | 0.00% | −48−0.3% | Reduced |
| State of Wisconsin Investment Board | 14,900 | $293.0K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management SA | 16,197 | $319.0K | 0.00% | +16,197 | New |
| Rhumbline Advisers | 17,207 | $338.0K | 0.00% | −247−1.4% | Reduced |
| PDT Partners, LLC | 21,200 | $417.0K | 0.03% | +6,300+42.3% | Added |
| Chartwell Investment Partners, LLC | 22,194 | $437.0K | 0.01% | −395−1.7% | Reduced |
| California State Teachers Retirement System | 22,849 | $449.0K | 0.00% | +376+1.7% | Added |
| Hennion & Walsh Asset Management, Inc. | 30,894 | $608.0K | 0.03% | +30,894 | New |
| Swiss National Bank | 31,000 | $610.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 32,100 | $631.0K | 0.00% | +15,700+95.7% | Added |
| Marshall Wace, LLP | 32,165 | $632.0K | 0.00% | +32,165 | 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 |
| Laurion Capital Management LP | 50,000 | $984.0K | 0.02% | +50,000 | New |
| SEI Investments Co | 58,663 | $1.15M | 0.00% | +15,719+36.6% | Added |
| Bank of New York Mellon Corp | 59,340 | $1.17M | 0.00% | +1,198+2.1% | Added |
| Nuveen Asset Management, LLC | 60,218 | $1.18M | 0.00% | −9,377−13.5% | Reduced |
| Dimensional Fund Advisors LP | 61,040 | $1.20M | 0.00% | +21,666+55.0% | Added |
| Two Sigma Investments, LP | 63,796 | $1.25M | 0.00% | +41,241+182.8% | Added |
| Bank of America Corp | 74,391 | $1.46M | 0.00% | +9,857+15.3% | Added |
| Ikarian Capital, LLC | 74,560 | $1.47M | 0.42% | −25,000−25.1% | Reduced |
| Parkman Healthcare Partners LLC | 77,481 | $1.52M | 0.34% | +77,481 | New |
| Pura Vida Investments, LLC | 101,728 | $2.00M | 0.21% | +69,153+212.3% | Added |
| Charles Schwab Investment Management Inc | 123,299 | $2.43M | 0.00% | +2,428+2.0% | Added |
| Morgan Stanley | 139,168 | $2.74M | 0.00% | +112,435+420.6% | Added |
| Jacobs Levy Equity Management, Inc | 165,642 | $3.26M | 0.02% | +94,608+133.2% | Added |
| JPMorgan Chase & Co | 172,561 | $3.39M | 0.00% | +3,573+2.1% | Added |
| Rhenman & Partners Asset Management AB | 186,210 | $3.62M | 0.24% | 00.0% | Unchanged |
| Northern Trust Corp | 187,905 | $3.70M | 0.00% | +1,829+1.0% | Added |
| Artal Group S.A. | 200,000 | $3.93M | 0.12% | +200,000 | New |
| Rothschild & Co Asset Management US Inc. | 244,439 | $4.81M | 0.06% | +72,933+42.5% | Added |
| 683 Capital Management, LLC | 290,595 | $5.72M | 0.27% | +290,595 | New |
| Geode Capital Management, LLC | 293,198 | $5.77M | 0.00% | +9,335+3.3% | Added |
| Eventide Asset Management, LLC | 336,223 | $6.61M | 0.08% | −263,777−44.0% | Reduced |
| State Street Corp | 341,940 | $6.73M | 0.00% | −12,824−3.6% | Reduced |
| GW&K Investment Management, LLC | 383,552 | $7.54M | 0.06% | +158,629+70.5% | Added |
| StepStone Group LP | 422,085 | $8.30M | 0.48% | 00.0% | Unchanged |
| Gilder Gagnon Howe & Co LLC | 546,055 | $10.7M | 0.06% | −4,185−0.8% | Reduced |
| Norges Bank | 660,690 | $13.0M | 0.00% | +331,347+100.6% | Added |
| Abingworth LLP | 1,203,135 | $23.6M | 5.72% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 1,315,717 | $25.9M | 0.05% | +145,493+12.4% | Added |
| BlackRock Inc. | 1,473,125 | $29.0M | 0.00% | +290,247+24.5% | Added |
| Janus Henderson Group PLC | 1,841,357 | $36.2M | 0.02% | −106,645−5.5% | Reduced |
| Avidity Partners Management LP | 1,896,000 | $37.3M | 0.79% | +1,896,000 | New |
| Vanguard Group Inc | 1,927,844 | $37.9M | 0.00% | +114,193+6.3% | Added |
| Invesco Ltd. | 2,067,356 | $40.7M | 0.01% | +71,340+3.6% | Added |
| Medicxi Ventures Management (Jersey) Ltd | 2,067,861 | $40.7M | 10.18% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 3,115,008 | $61.3M | 1.08% | 00.0% | Unchanged |
| Frazier Management LLC | 5,827,415 | $114.6M | 8.82% | 00.0% | Unchanged |
| 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 |