Institutional Ownership
Prime Medicine Inc
CUSIP 74168J101COMPRMEQ1 2026
13D / 13G Filings
18
Schedule 13D/13G on record
Beneficial Filers
7
Distinct reporting persons
Largest Stake
12.9%
Max % of class reported
Institutional Holders
184
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
18 filings · latest Feb 17, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 17, 2026 | T. Rowe Price Investment Management, Inc. | 13G/A | 3.3% | 6.00M | SEC |
| 2 | Nov 14, 2025 | T. Rowe Price Investment Management, Inc. | 13G | 5.3% | 9.24M | SEC |
| 3 | Nov 12, 2025 | Gv 2019, L.P. | 13G/A | 12.3% | 16.56M | SEC |
| 4 | Nov 5, 2025 | Fmr LLC | 13G/A | 3.8% | 6.73M | SEC |
| 5 | Aug 11, 2025 | Arch Venture Fund X, L.P. | 13D/A | 10.4% | — | SEC |
| 6 | Feb 14, 2025 | Newpath Partners, L.P. | 13G/A | 4.7% | 6.11M | SEC |
| 7 | Nov 22, 2024 | Arch Venture Fund Xii, L.P. | 13D/A | 11.8% | 15.46M | SEC |
| 8 | Nov 12, 2024 | Fmr LLC | 13G/A | 6.4% | — | SEC |
| 9 | Oct 4, 2024 | Bristol Myers Squibb Co | 13G | 8.4% | 11.01M | SEC |
| 10 | Feb 29, 2024 | Gv 2019, L.P. | 13G/A | 8.2% | 10.10M | SEC |
8 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Prime Medicine Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Alphabet Inc. | 16.56M | $57.64M |
| 2 | Blackrock, Inc. | 8.50M | $29.59M |
| 3 | State Street Corp | 6.35M | $22.08M |
| 4 | Ark Investment Management LLC | 6.25M | $21.74M |
| 5 | Balyasny Asset Management L.P. | 4.12M | $14.35M |
| 6 | Casdin Capital, LLC | 3.17M | $11.02M |
| 7 | Woodline Partners LP | 3.00M | $10.45M |
| 8 | Sumitomo Mitsui Trust Group, Inc. | 2.94M | $10.23M |
| 9 | Amova Asset Management Americas, Inc. | 2.94M | $10.20M |
| 10 | Ubs Group AG | 2.89M | $10.05M |