PRME Prime Medicine, Inc.: institutional ownership and insider trading
197 funds reported holding $437M of Prime Medicine, Inc. in their latest 13F filings; in Q2 2026 funds net bought $29.5M, with 21 new positions and 23 funds selling out; over the last 12 months insiders bought $0 and sold $0 on the open market.
Famous investors holding PRME
- Cathie Wood (ARK Investment Management): $30.8M, 0.2% of the portfolio
- Ken Griffin (Citadel Advisors): $8.68M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $5.63M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $2.39M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $1.58M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $433K, 0.0% of the portfolio
Largest institutional holders of PRME
- Alphabet Inc. (GOOG, GOOGL) — $61.1M
- BlackRock, Inc. (BLK) — $35.4M
- ARK Investment Management LLC — $30.8M
- STATE STREET CORP (STT, STT-PG) — $28.0M
- VANGUARD GROUP INC — $22.4M
- T. Rowe Price Investment Management, Inc. — $19.3M
- VANGUARD CAPITAL MANAGEMENT LLC — $16.7M
- BALYASNY ASSET MANAGEMENT L.P. — $14.6M
- GOLDMAN SACHS GROUP INC (GS, GSCE, GS-PA, GS-PC, GS-PD) — $12.7M
- Casdin Capital, LLC — $11.7M
Recent PRME insider trades
- Aug 1, 2025: Alphabet Inc. bought 1,500,000 shares ($4.95M)
- Aug 1, 2025: Nelsen Robert bought 3,030,300 shares ($10.00M)
- Aug 1, 2025: ARCH Venture Fund XII, L.P. bought 3,030,300 shares ($10.00M)
- Aug 1, 2025: Crandell Keith bought 3,030,300 shares ($10.00M)
5%+ owners
- Alphabet Holdings LLC: 12.3% (Schedule 13G/A, filed Nov 12, 2025)
- Robert Nelsen: 10.4% (Schedule 13D/A, filed Aug 11, 2025)