Prime Medicine, Inc.
PRME- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001894562
No open-market purchases or sales by Prime Medicine, Inc. insiders were filed in the last 90 days; 187 institutions reported holding it in 13F filings for Q2 2026, worth $393.5M in total; ARK Invest is the only superinvestor holding it.
13F holders, Q2 2024
Institutional positions in Prime Medicine, Inc. as of Jun 30, 2024. 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
- 122
- +7 vs. Q1 2024
- Shares held
- 68.9M
- +2.23M (+3.3%) vs. Q1 2024
- Total value
- $354.0M
- −$112.6M (−24.1%) vs. Q1 2024
- New holders
- 26
- 45 more added
- Sold out
- 19
- 31 more reduced
Compare with Q1 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PRME 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 | 187 | $393.5M |
| Q1 2026 | 192 | $342.6M |
| Q4 2025 | 183 | $336.5M |
| Q3 2025 | 167 | $511.5M |
| Q2 2025 | 121 | $145.0M |
| Q1 2025 | 125 | $120.4M |
| Q4 2024 | 132 | $188.0M |
| Q3 2024 | 116 | $265.9M |
| Q2 2024 | 122 | $354.0M |
| Q1 2024 | 115 | $466.6M |
| Q4 2023 | 105 | $431.4M |
| Q3 2023 | 83 | $472.3M |
| Q2 2023 | 79 | $675.7M |
| Q1 2023 | 76 | $512.1M |
| Q4 2022 | 66 | $767.8M |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2024
Shares, value and share of portfolio for each institution holding Prime Medicine, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Samsara BioCapital, LLC | 540,304 | $2.78M | 0.58% | 00.0% | Unchanged |
| Greenwich Wealth Management LLC | 653,001 | $3.36M | 0.25% | +75,000+13.0% | Added |
| Two Sigma Investments, LP | 681,476 | $3.50M | 0.01% | +173,398+34.1% | Added |
| Avidity Partners Management LP | 694,000 | $3.57M | 0.15% | −1,296,000−65.1% | Reduced |
| EcoR1 Capital, LLC | 700,000 | $3.60M | 0.11% | 00.0% | Unchanged |
| Farallon Capital Management, L.L.C. | 750,000 | $3.85M | 0.02% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 896,960 | $4.61M | 0.08% | +11,646+1.3% | Added |
| Baker Bros. Advisors LP | 1,028,466 | $5.29M | 0.07% | 00.0% | Unchanged |
| State Street Corp | 1,103,863 | $5.67M | 0.00% | +325,081+41.7% | Added |
| Geode Capital Management, LLC | 1,296,523 | $6.67M | 0.00% | +379,662+41.4% | Added |
| Millennium Management LLC | 1,330,927 | $6.84M | 0.01% | +895,610+205.7% | Added |
| Price T Rowe Associates Inc | 1,545,961 | $7.95M | 0.00% | −976,629−38.7% | Reduced |
| MWG Management Limited | 1,792,210 | $9.21M | 10.06% | 00.0% | Unchanged |
| Redmile Group, LLC | 2,074,350 | $10.7M | 0.64% | 00.0% | Unchanged |
| Nikko Asset Management Americas, Inc. | 3,238,385 | $16.5M | 0.19% | −126,278−3.8% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 3,238,385 | $16.6M | 0.01% | −126,278−3.8% | Reduced |
| T. Rowe Price Investment Management, Inc. | 3,725,727 | $19.2M | 0.01% | +635,644+20.6% | Added |
| FMR LLC | 3,927,853 | $20.2M | 0.00% | +3,483+0.1% | Added |
| BlackRock Inc. | 5,110,418 | $26.3M | 0.00% | +1,354,208+36.1% | Added |
| Vanguard Group Inc | 6,078,853 | $31.2M | 0.00% | +277,408+4.8% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 6,126,773 | $31.5M | 0.28% | +133,419+2.2% | Added |
| Alphabet Inc. | 15,062,498 | $77.4M | 3.92% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −362,400−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −330,500−100.0% | Sold out |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −303,716−100.0% | Sold out |
| TrueMark Investments, LLC | 0 | $0 | 0.00% | −85,183−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −61,295−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −46,637−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −41,000−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −33,033−100.0% | Sold out |
| Brandywine Managers, LLC | 0 | $0 | 0.00% | −32,977−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −29,515−100.0% | Sold out |
| Levin Capital Strategies, L.P. | 0 | $0 | 0.00% | −26,500−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −19,496−100.0% | Sold out |
| Red Lighthouse Investment Management, LLC | 0 | $0 | 0.00% | −14,950−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −10,443−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −7,997−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −4,837−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −3,576−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −2,203−100.0% | Sold out |
| Riggs Asset Managment Co. Inc. | 0 | $0 | 0.00% | −36−100.0% | Sold out |