2m 2m 2m 2m 2m 2m 2m
PRIME MEDICINE (PRME)
NASDAQ
$3.44+$0.05 (+1.56%)
Price as of Aug 21, 2026 7:55 PM EDT- $614.9MMarket Cap
- -4.51%1-Year Change
- BiotechnologyIndustry
PRIME MEDICINE (PRME)
$3.44+$0.05 (+1.56%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
ALPHABET INC. | 9.17% | 16.6M | 0 (0.00%) | Jun 30, 2026 |
BLACKROCK, INC. | 5.32% | 9.6M | +1.1M (+11.46%) | Jun 30, 2026 |
ARK INVESTMENT MANAGEMENT LLC | 4.62% | 8.3M | +2.1M (+25.18%) | Jun 30, 2026 |
STATE STREET CORP | 4.19% | 7.6M | +1.2M (+16.25%) | Jun 30, 2026 |
VANGUARD GROUP INC | 3.58% | 6.5M | +1.5M (+23.90%) | Dec 31, 2025 |
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 2.90% | 5.2M | -244,561 (-4.67%) | Jun 30, 2026 |
BLACKROCK INC. | 2.83% | 5.1M | +1.4M (+26.50%) | Jun 30, 2024 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
Ark ETF Trust | 2.73% | 4.9M | -59,560 (-1.21%) | Apr 30, 2026 |
VANGUARD INDEX FUNDS | 2.42% | 4.4M | +199,498 (+4.56%) | Mar 31, 2026 |
SPDR SERIES TRUST | 2.20% | 4.0M | 0 (0.00%) | Apr 30, 2026 |
Ark Venture Fund | 1.37% | 2.5M | +1.4M (+56.51%) | Apr 30, 2026 |
T. Rowe Price Small-Cap Value Fund, Inc. | 0.84% | 1.5M | +267,522 (+17.62%) | Mar 31, 2026 |
T. Rowe Price Small-Cap Stock Fund, Inc. | 0.68% | 1.2M | -1,846 (-0.15%) | Mar 31, 2026 |
T. Rowe Price New Horizons Fund, Inc. | 0.62% | 1.1M | 0 (0.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions631.2M (71.33%)
- Mutual Funds196.4M (22.19%)
- Insiders57.3M (6.48%)
- Other0 (0.00%)
Insider Transactions
- 6.48% (57.3M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Reine Allan Chief Executive Officer | Award | Feb 26, 2026 | $0.00 | 1.3M | $0.00 | 1.3M |
LEE ANN L. Chief Technical Officer | Award | Feb 23, 2026 | $0.00 | 375,000 | $0.00 | 375,000 |
Alenson Carman See Remarks | Award | Feb 23, 2026 | $0.00 | 140,000 | $0.00 | 140,000 |
Schenkein David P | Return | Aug 01, 2025 | $0.00 | 39,062 | $0.00 | 0 |
Reine Allan Chief Executive Officer | Return | Aug 01, 2025 | $0.00 | 850,000 | $0.00 | 0 |
Chung Wendy | Return | Aug 01, 2025 | $0.00 | 13,510 | $0.00 | 0 |
NELSEN ROBERT | Return | Aug 01, 2025 | $0.00 | 39,062 | $0.00 | 0 |
NELSEN ROBERT | Buy | Aug 01, 2025 | $10.0M | 3.0M | $3.30 | 6.2M |
Marrazzo Jeffrey D | Return | Aug 01, 2025 | $0.00 | 92,000 | $0.00 | 0 |
Chung Wendy | Award | Aug 01, 2025 | $0.00 | 13,510 | $0.00 | 13,510 |
ARCH Venture Partners X, LLC | Buy | Aug 01, 2025 | $10.0M | 3.0M | $3.30 | 6.2M |
Schenkein David P | Award | Aug 01, 2025 | $0.00 | 39,062 | $0.00 | 39,062 |
Reine Allan Chief Executive Officer | Award | Aug 01, 2025 | $0.00 | 850,000 | $0.00 | 850,000 |
Chung Wendy | Return | Aug 01, 2025 | $0.00 | 9,006 | $0.00 | 0 |
NELSEN ROBERT | Award | Aug 01, 2025 | $0.00 | 39,062 | $0.00 | 39,062 |
Schenkein David P | Return | Aug 01, 2025 | $0.00 | 45,000 | $0.00 | 0 |
Marrazzo Jeffrey D | Award | Aug 01, 2025 | $0.00 | 92,000 | $0.00 | 92,000 |
Chung Wendy | Award | Aug 01, 2025 | $0.00 | 9,006 | $0.00 | 9,006 |
GV 2021 GP, L.L.C. | Buy | Aug 01, 2025 | $5.0M | 1.5M | $3.30 | 3.3M |
Schenkein David P | Award | Aug 01, 2025 | $0.00 | 45,000 | $0.00 | 45,000 |
Foster-Cheek Kaye I | Return | Aug 01, 2025 | $0.00 | 13,510 | $0.00 | 0 |
Chung Wendy | Return | Aug 01, 2025 | $0.00 | 39,062 | $0.00 | 0 |
NELSEN ROBERT | Return | Aug 01, 2025 | $0.00 | 45,000 | $0.00 | 0 |
Chung Wendy | Award | Aug 01, 2025 | $0.00 | 39,062 | $0.00 | 39,062 |
Marrazzo Jeffrey D | Return | Aug 01, 2025 | $0.00 | 250,000 | $0.00 | 0 |
Chung Wendy | Return | Aug 01, 2025 | $0.00 | 45,000 | $0.00 | 0 |
NELSEN ROBERT | Award | Aug 01, 2025 | $0.00 | 45,000 | $0.00 | 45,000 |
Chung Wendy | Award | Aug 01, 2025 | $0.00 | 45,000 | $0.00 | 45,000 |
Foster-Cheek Kaye I | Award | Aug 01, 2025 | $0.00 | 13,510 | $0.00 | 13,510 |
Marrazzo Jeffrey D | Award | Aug 01, 2025 | $0.00 | 250,000 | $0.00 | 250,000 |