PRME: Prime Medicine, Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Institutional ownership (Q2 2026)
187 institutions reported holding $369.25M of Prime Medicine, Inc. on Form 13F (192 the quarter before). 21 opened a new position and 23 sold out. Shares held by institutions: +10%.
| Largest holders | Shares | Value |
|---|---|---|
| Alphabet Inc. | 16,562,498 | $61.12M |
| BlackRock, Inc. | 9,602,041 | $35.43M |
| ARK Investment Management LLC | 8,348,746 | $30.81M |
| STATE STREET CORP | 7,576,460 | $27.96M |
| VANGUARD CAPITAL MANAGEMENT LLC | 4,522,640 | $16.69M |
| Balyasny Asset Management L.P. | 3,969,082 | $14.65M |
| GOLDMAN SACHS GROUP INC | 3,430,518 | $12.66M |
| Casdin Capital, LLC | 3,167,175 | $11.69M |
| Woodline Partners LP | 3,003,904 | $11.08M |
| UBS Group AG | 2,794,689 | $10.31M |
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