Prime Medicine, Inc. (PRME) Institutional Ownership & Insider Trading
187 institutions reported holding Prime Medicine, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- Market cap
- 665.7M
- P/E TTM
- —
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 30 Oct, in 6 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters187 institutions held 58.8% of the shares. Across filers that reported both quarters, shares held changed +8.4%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 187 | 107 | +8.4% | 57 | 20 | 63 | 19 |
| Mar 26 | 189 | 98 | +3.0% | 66 | 29 | 44 | 24 |
| Dec 25 | 180 | 98 | +6.2% | 59 | 41 | 39 | 26 |
| Sep 25 | 162 | 92 | +57.4% | 60 | 47 | 29 | 6 |
| Jun 25 | 120 | 59 | -3.0% | 35 | 29 | 32 | 28 |
| Mar 25 | 122 | 60 | -5.7% | 38 | 17 | 32 | 26 |
| Dec 24 | 130 | 64 | -5.4% | 36 | 26 | 30 | 15 |
| Sep 24 | 116 | 69 | -0.7% | 37 | 13 | 32 | 17 |
Prime Medicine, Inc. — questions
- Who owns Prime Medicine, Inc. stock?
- 187 institutions reported Prime Medicine, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: Alphabet Inc. (9.1%), BlackRock, Inc. (5.3%), ARK Investment Management LLC (4.6%).
Every figure on this page comes from Prime Medicine, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.