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, Q1 2024
Institutional positions in Prime Medicine, Inc. as of Mar 31, 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
- 115
- +10 vs. Q4 2023
- Shares held
- 66.7M
- +18.0M (+36.9%) vs. Q4 2023
- Total value
- $466.6M
- +$35.1M (+8.1%) vs. Q4 2023
- New holders
- 23
- 39 more added
- Sold out
- 13
- 35 more reduced
Compare with Q4 2023: 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, Q1 2024
Shares, value and share of portfolio for each institution holding Prime Medicine, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Deerfield Management Company, L.P. (Series C) | 885,314 | $6.20M | 0.11% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 916,861 | $6.42M | 0.00% | +29,358+3.3% | Added |
| Baker Bros. Advisors LP | 1,028,466 | $7.20M | 0.09% | 00.0% | Unchanged |
| MWG Management Limited | 1,792,210 | $12.5M | 9.29% | 00.0% | Unchanged |
| Avidity Partners Management LP | 1,990,000 | $13.9M | 0.50% | +1,990,000 | New |
| Redmile Group, LLC | 2,074,350 | $14.5M | 0.53% | +750,000+56.6% | Added |
| Price T Rowe Associates Inc | 2,522,590 | $17.7M | 0.00% | +301,431+13.6% | Added |
| T. Rowe Price Investment Management, Inc. | 3,090,083 | $21.6M | 0.01% | +3,090,083 | New |
| Nikko Asset Management Americas, Inc. | 3,364,663 | $23.5M | 0.23% | −154,366−4.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 3,364,663 | $23.6M | 0.02% | −154,366−4.4% | Reduced |
| BlackRock Inc. | 3,756,210 | $26.3M | 0.00% | −22,408−0.6% | Reduced |
| FMR LLC | 3,924,370 | $27.5M | 0.00% | −9760.0% | Reduced |
| Vanguard Group Inc | 5,801,445 | $40.6M | 0.00% | +1,746,534+43.1% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 5,993,354 | $42.0M | 0.29% | +2,855,084+91.0% | Added |
| Alphabet Inc. | 15,062,498 | $105.4M | 4.19% | +3,200,000+27.0% | Added |
| Woodline Partners LP | 0 | $0 | 0.00% | −120,060−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −26,983−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −21,301−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −12,195−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −11,770−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −11,420−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −10,193−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −10,128−100.0% | Sold out |
| ORG Partners LLC | 0 | $0 | 0.00% | −5,270−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −1,153−100.0% | Sold out |
| Sandia Investment Management LP | 0 | $0 | 0.00% | −1,084−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −103−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −118−100.0% | Sold out |