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 2026
Institutional positions in Phathom Pharmaceuticals, Inc. as of Jun 30, 2026. 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
- 161
- −11 vs. Q1 2026
- Shares held
- 72.1M
- +3.21M (+4.7%) vs. Q1 2026
- Total value
- $782.1M
- +$16.9M (+2.2%) vs. Q1 2026
- New holders
- 21
- 59 more added
- Sold out
- 32
- 50 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 29 | $0 | 0.00% | +21+262.5% | Added |
| Clearstead Advisors, LLC | 5 | $55 | 0.00% | +5 | New |
| Stone House Investment Management, LLC | 8 | $87 | 0.00% | 00.0% | Unchanged |
| ZRC Wealth Management, LLC | 20 | $217 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 42 | $456 | 0.00% | +42 | New |
| Silver Grove Financial Group, Inc. | 81 | $879 | 0.00% | +81 | New |
| True Wealth Design, LLC | 88 | $955 | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 90 | $976 | 0.00% | −192−68.1% | Reduced |
| Parallel Advisors, LLC | 100 | $1.08K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 127 | $1.38K | 0.00% | +127 | New |
| Fifth Third Bancorp | 218 | $2.37K | 0.00% | +218 | New |
| Truvestments Capital LLC | 225 | $2.44K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 277 | $3.00K | 0.00% | −18−6.1% | Reduced |
| Farther Finance Advisors, LLC | 342 | $3.71K | 0.00% | −7−2.0% | Reduced |
| GAMMA Investing LLC | 400 | $4.34K | 0.00% | −38−8.7% | Reduced |
| Massmutual Trust Co FSB | 427 | $4.63K | 0.00% | −32−7.0% | Reduced |
| Aster Capital Management (DIFC) Ltd | 508 | $5.51K | 0.00% | +508 | New |
| Larson Financial Group LLC | 732 | $7.94K | 0.00% | −1,035−58.6% | Reduced |
| Sterling Capital Management LLC | 756 | $8.20K | 0.00% | −442−36.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 896 | $9.72K | 0.00% | +7+0.8% | Added |
| The PNC Financial Services Group, Inc. | 1,464 | $15.9K | 0.00% | +77+5.6% | Added |
| Strategic Wealth Advisors LLC | 1,000 | $16.0K | 0.01% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 1,669 | $18.1K | 0.00% | +81+5.1% | Added |
| Tower Research Capital LLC (TRC) | 1,917 | $20.8K | 0.00% | −24−1.2% | Reduced |
| Nisa Investment Advisors, LLC | 1,940 | $21.0K | 0.00% | −348−15.2% | Reduced |
| Huntington National Bank | 2,176 | $23.6K | 0.00% | −128−5.6% | Reduced |
| Royal Bank of Canada | 2,258 | $24.0K | 0.00% | −3,508−60.8% | Reduced |
| Advisor Group Holdings, Inc. | 2,281 | $24.7K | 0.00% | −23−1.0% | Reduced |
| Rockefeller Capital Management L.P. | 2,628 | $28.5K | 0.00% | −1,467−35.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 3,567 | $38.7K | 0.00% | −543−13.2% | Reduced |
| Jones Financial Companies LLLP | 4,250 | $45.6K | 0.00% | +724+20.5% | Added |
| Ameritas Investment Partners, Inc. | 4,463 | $48.4K | 0.00% | +936+26.5% | Added |
| Fulcrum Asset Management LLP | 4,458 | $48.5K | 0.00% | +4,458 | New |
| Great West Life Assurance Co | 6,818 | $74.0K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 8,230 | $89.3K | 0.00% | +1,205+17.2% | Added |
| BNP Paribas Arbitrage, SA | 8,692 | $94.3K | 0.00% | −2,640−23.3% | Reduced |
| Private Advisor Group, LLC | 10,180 | $110.5K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 10,443 | $113.3K | 0.00% | −97−0.9% | Reduced |
| New York State Common Retirement Fund | 10,770 | $116.9K | 0.00% | 00.0% | Unchanged |
| Vanguard Investments Australia, Ltd. | 11,276 | $122.3K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 11,388 | $123.6K | 0.00% | +40+0.4% | Added |
| Tocqueville Asset Management L.P. | 12,000 | $130.2K | 0.00% | −23,200−65.9% | Reduced |
| China Universal Asset Management Co., Ltd. | 12,693 | $137.7K | 0.01% | −1,290−9.2% | Reduced |
| Rafferty Asset Management, LLC | 12,756 | $138.4K | 0.00% | +12,756 | New |
| Arizona State Retirement System | 13,589 | $147.4K | 0.00% | +732+5.7% | Added |
| Manufacturers Life Insurance Company, The | 13,631 | $147.9K | 0.00% | +723+5.6% | Added |
| Group One Trading, L.P. | 13,881 | $150.6K | 0.00% | −3,058−18.1% | Reduced |
| KLP Kapitalforvaltning AS | 14,000 | $151.9K | 0.00% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 14,599 | $158.4K | 0.00% | −80,039−84.6% | Reduced |
| Lazard Asset Management LLC | 14,671 | $159.2K | 0.00% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 15,000 | $162.8K | 0.00% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 15,924 | $172.8K | 0.00% | −73−0.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 16,148 | $175.2K | 0.00% | +4,223+35.4% | Added |
| Jain Global LLC | 16,437 | $178.3K | 0.00% | −1,825−10.0% | Reduced |
| Profund Advisors LLC | 17,277 | $187.5K | 0.01% | +793+4.8% | Added |
| State of Wyoming | 17,639 | $191.4K | 0.02% | +12,703+257.4% | Added |
| Susquehanna International Group, LLP | 17,725 | $192.3K | 0.00% | −75,254−80.9% | Reduced |
| Inspirion Wealth Advisors, LLC | 19,914 | $209.8K | 0.02% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 20,769 | $225.3K | 0.00% | −5,742−21.7% | Reduced |
| Jupiter Topco LLC | 21,500 | $233.2K | 0.00% | +21,500 | New |
| Wealth Enhancement Advisory Services, LLC | 18,731 | $236.2K | 0.00% | +18,731 | New |
| Summit Financial Wealth Advisors, LLC | 22,143 | $240.3K | 0.03% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 22,535 | $244.5K | 0.00% | −9,695−30.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 22,647 | $245.7K | 0.00% | +915+4.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 25,838 | $280.3K | 0.00% | +846+3.4% | Added |
| Kera Capital Partners, Inc. | 26,826 | $291.1K | 0.03% | 00.0% | Unchanged |
| MetLife Investment Management | 28,107 | $305.0K | 0.00% | +2,262+8.8% | Added |
| Vanguard Asset Management, Ltd | 28,506 | $309.3K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 30,138 | $327.0K | 0.02% | −66,930−69.0% | Reduced |
| Squarepoint Ops LLC | 31,595 | $342.8K | 0.00% | −243,566−88.5% | Reduced |
| Legal & General Group Plc | 32,738 | $355.2K | 0.00% | +701+2.2% | Added |
| Allstate Corp | 32,875 | $356.7K | 0.00% | +188+0.6% | Added |
| Fiduciary Trust Co | 35,731 | $387.7K | 0.00% | +17,664+97.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 39,845 | $432.3K | 0.01% | +39,845 | New |
| Nomura Holdings Inc | 40,000 | $434.0K | 0.00% | +40,000 | New |
| Barclays PLC | 41,777 | $453.3K | 0.00% | +16,420+64.8% | Added |
| Quantbot Technologies LP | 42,755 | $463.9K | 0.02% | +42,755 | New |
| ADAR1 Capital Management, LLC | 42,900 | $465.5K | 0.02% | 00.0% | Unchanged |
| Persistent Asset Partners Ltd | 47,663 | $517.1K | 0.16% | +20,897+78.1% | Added |
| Raymond James Financial Inc | 48,024 | $521.1K | 0.00% | +21,696+82.4% | Added |
| Man Group plc | 48,679 | $528.2K | 0.00% | +18,327+60.4% | Added |
| Pale Fire Capital SE | 49,713 | $539.4K | 0.04% | +49,713 | New |
| Deutsche Bank AG | 50,205 | $544.7K | 0.00% | +13,746+37.7% | Added |
| Alliancebernstein L.P. | 49,290 | $547.6K | 0.00% | −100−0.2% | Reduced |
| California State Teachers Retirement System | 51,787 | $561.9K | 0.00% | +11,565+28.8% | Added |
| Creative Planning | 52,750 | $572.3K | 0.00% | −17,443−24.9% | Reduced |
| Stifel Financial Corp | 52,832 | $573.2K | 0.00% | −1,207−2.2% | Reduced |
| Citigroup Inc | 52,945 | $574.5K | 0.00% | +23,576+80.3% | Added |
| Birchview Capital, LP | 55,000 | $596.8K | 0.28% | −140,000−71.8% | Reduced |
| UBS Asset Management Americas Inc | 55,788 | $605.3K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 60,346 | $654.7K | 0.00% | +4,907+8.9% | Added |
| State of Wisconsin Investment Board | 62,283 | $675.8K | 0.00% | +18,279+41.5% | Added |
| Penn Mutual Asset Management, LLC | 62,802 | $681.4K | 3.50% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 65,722 | $714.0K | 0.00% | +13,269+25.3% | Added |
| Campbell & CO Investment Adviser LLC | 68,759 | $746.0K | 0.04% | +6,736+10.9% | Added |
| KBC Group NV | 77,139 | $837.0K | 0.00% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 77,316 | $838.9K | 0.00% | +77,316 | New |
| Stonepine Capital Management, LLC | 85,010 | $922.4K | 0.70% | +35,000+70.0% | Added |
| Gilder Gagnon Howe & Co LLC | 88,134 | $956.3K | 0.01% | −51,755−37.0% | Reduced |
| D. E. Shaw & Co., Inc. | 95,660 | $1.04M | 0.00% | −36,797−27.8% | Reduced |