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, Q1 2025
Institutional positions in Phathom Pharmaceuticals, Inc. as of Mar 31, 2025. 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
- 137
- −6 vs. Q4 2024
- Shares held
- 64.0M
- −2.51M (−3.8%) vs. Q4 2024
- Total value
- $401.4M
- −$138.6M (−25.7%) vs. Q4 2024
- New holders
- 25
- 47 more added
- Sold out
- 31
- 36 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Phathom Pharmaceuticals, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tower Research Capital LLC (TRC) | 3,608 | $22.6K | 0.00% | −806−18.3% | Reduced |
| Skopos Labs, Inc. | 3,456 | $21.7K | 0.00% | +3,456 | New |
| Ameritas Investment Partners, Inc. | 3,095 | $19.4K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 2,950 | $18.5K | 0.00% | −36,582−92.5% | Reduced |
| Great West Life Assurance Co | 2,839 | $18.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 2,288 | $15.1K | 0.00% | +9+0.4% | Added |
| Group One Trading, L.P. | 2,404 | $15.1K | 0.00% | +2,404 | New |
| GF Fund Management Co. Ltd. | 1,751 | $11.0K | 0.00% | +315+21.9% | Added |
| Quest Partners LLC | 1,446 | $9.07K | 0.00% | +112+8.4% | Added |
| Huntington National Bank | 1,386 | $8.69K | 0.00% | −111−7.4% | Reduced |
| Amalgamated Bank | 1,354 | $8.00K | 0.00% | +264+24.2% | Added |
| Public Employees Retirement Association of Colorado | 840 | $5.00K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 727 | $4.56K | 0.00% | +219+43.1% | Added |
| Bear Mountain Capital, Inc. | 1,000 | $4.36K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 647 | $4.06K | 0.00% | −150−18.8% | Reduced |
| Sterling Capital Management LLC | 562 | $3.52K | 0.00% | −305−35.2% | Reduced |
| Farther Finance Advisors, LLC | 683 | $3.50K | 0.00% | +666+3,917.6% | Added |
| Signaturefd, LLC | 463 | $2.90K | 0.00% | +463 | New |
| Parallel Advisors, LLC | 329 | $2.06K | 0.00% | +329 | New |
| Daiwa Securities Group Inc. | 260 | $2.00K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 310 | $1.94K | 0.00% | +37+13.6% | Added |
| Nisa Investment Advisors, LLC | 268 | $1.68K | 0.00% | +249+1,310.5% | Added |
| Lindbrook Capital, LLC | 254 | $1.59K | 0.00% | +99+63.9% | Added |
| Versant Capital Management, Inc | 197 | $1.24K | 0.00% | +197 | New |
| Caitong International Asset Management Co., Ltd | 113 | $709 | 0.00% | −66−36.9% | Reduced |
| Coldstream Capital Management Inc | 109 | $684 | 0.00% | +109 | New |
| Parkside Financial Bank & Trust | 85 | $533 | 0.00% | +85 | New |
| Quadrant Capital Group LLC | 84 | $527 | 0.00% | +84 | New |
| SBI Securities Co., Ltd. | 50 | $314 | 0.00% | +50 | New |
| EverSource Wealth Advisors, LLC | 37 | $232 | 0.00% | +16+76.2% | Added |
| Rothschild Investment LLC | 35 | $219 | 0.00% | +25+250.0% | Added |
| Boston Private Wealth LLC | 34 | $213 | 0.00% | +34 | New |
| Amundi | 42 | $210 | 0.00% | 00.0% | Unchanged |
| ZRC Wealth Management, LLC | 20 | $126 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 16 | $101 | 0.00% | +16 | New |
| IFP Advisors, Inc | 2 | $13 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 7 | $0 | 0.00% | 00.0% | Unchanged |
| Checkpoint Capital L.P. | 0 | $0 | 0.00% | −2,274,157−100.0% | Sold out |
| Decheng Capital LLC | 0 | $0 | 0.00% | −694,254−100.0% | Sold out |
| Siren, L.L.C. | 0 | $0 | 0.00% | −460,753−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −455,837−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −282,553−100.0% | Sold out |
| Oracle Investment Management Inc | 0 | $0 | 0.00% | −145,064−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −133,700−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −77,869−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −55,973−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −43,789−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −34,049−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −32,029−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −25,200−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −22,845−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −16,083−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −15,400−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −15,264−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −15,173−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −14,900−100.0% | Sold out |
| Stratos Wealth Advisors, LLC | 0 | $0 | 0.00% | −13,438−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −13,424−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −13,310−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −12,400−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −11,113−100.0% | Sold out |
| Klingman & Associates, LLC | 0 | $0 | 0.00% | −10,517−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −1,951−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −1,061−100.0% | Sold out |
| Greenline Partners, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| BFSG, LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Riggs Asset Managment Co. Inc. | 0 | $0 | 0.00% | −69−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |