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CARIBOU BIO (CRBU)
NASDAQ
$2.04-$0.28 (-12.28%)
Price as of Jun 03, 2026 7:58 PM EDT- $234.1MMarket Cap
- 120.95%1-Year Change
- BiotechnologyIndustry
CARIBOU BIO (CRBU)
$2.04-$0.28 (-12.28%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK INC. | 7.01% | 6.9M | -57,242 (-0.82%) | Jun 30, 2024 |
BLACKROCK FUNDING, INC. /DE | 6.62% | 6.6M | -669,183 (-10.19%) | Dec 31, 2024 |
PFIZER INC | 4.73% | 4.7M | 0 (0.00%) | Mar 31, 2026 |
VANGUARD GROUP INC | 4.34% | 4.3M | +77,272 (+1.80%) | Dec 31, 2025 |
N/A | 3.80% | 3.8M | +3.8M (+100.00%) | Mar 31, 2026 |
RENAISSANCE TECHNOLOGIES LLC | 2.61% | 2.6M | +950,640 (+36.70%) | Mar 31, 2026 |
KYNAM CAPITAL MANAGEMENT, LP | 2.52% | 2.5M | 0 (0.00%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
SPDR SERIES TRUST | 4.71% | 4.7M | 0 (0.00%) | Jan 31, 2026 |
VANGUARD INDEX FUNDS | 3.68% | 3.7M | 0 (0.00%) | Mar 31, 2026 |
Ark ETF Trust | 1.50% | 1.5M | 0 (0.00%) | Jan 31, 2026 |
ACAP Strategic Fund | 1.36% | 1.3M | 0 (0.00%) | Mar 31, 2026 |
TEKLA LIFE SCIENCES INVESTORS | 1.22% | 1.2M | -176,364 (-14.54%) | Mar 31, 2026 |
FIDELITY SALEM STREET TRUST | 0.87% | 862,376 | 0 (0.00%) | Mar 31, 2026 |
JPMorgan Trust I | 0.79% | 786,210 | 0 (0.00%) | Jan 31, 2026 |
Current Ownership Distribution
- Institutions868.0M (80.92%)
- Mutual Funds200.1M (18.65%)
- Insiders4.6M (0.43%)
- Other0 (0.00%)
Insider Transactions
- 0.43% (4.6M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 3Number of InsiderSelling (last 12 months)
- $1.3MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
MCCLUNG BARBARA G Chief Legal Officer | Sell | Feb 24, 2026 | $13,598.48 | 6,938 | $1.96 | 481,564 |
Khan Ruhi Ahmad Chief Business Officer | Sell | Feb 24, 2026 | $13,598.48 | 6,938 | $1.96 | 104,998 |
Albertson Tina M. Chief Medical Officer | Sell | Feb 24, 2026 | $2,089.36 | 1,066 | $1.96 | 68,523 |
JOHNSON DAVID LEE | Award | Feb 20, 2026 | $0.00 | 45,000 | $0.00 | 45,000 |
Braunstein Scott | Award | Feb 20, 2026 | $0.00 | 45,000 | $0.00 | 45,000 |
Haurwitz Rachel E. President and CEO | Award | Feb 20, 2026 | $0.00 | 682,500 | $0.00 | 682,500 |
Whiting Nancy | Award | Feb 20, 2026 | $0.00 | 45,000 | $0.00 | 45,000 |
Zheng Ran | Award | Feb 20, 2026 | $0.00 | 45,000 | $0.00 | 45,000 |
GUGGENHIME ANDREW | Award | Feb 20, 2026 | $0.00 | 45,000 | $0.00 | 45,000 |
Haurwitz Rachel E. President and CEO | Award | Feb 20, 2026 | $0.00 | 151,700 | $0.00 | 447,150 |
Albertson Tina M. Chief Medical Officer | Award | Feb 20, 2026 | $0.00 | 247,500 | $0.00 | 247,500 |
Ryali Sriram Chief Financial Officer | Award | Feb 20, 2026 | $0.00 | 247,500 | $0.00 | 247,500 |
Khan Ruhi Ahmad Chief Business Officer | Award | Feb 20, 2026 | $0.00 | 202,500 | $0.00 | 202,500 |
MCCLUNG BARBARA G Chief Legal Officer | Award | Feb 20, 2026 | $0.00 | 202,500 | $0.00 | 202,500 |
Albertson Tina M. Chief Medical Officer | Award | Feb 20, 2026 | $0.00 | 55,000 | $0.00 | 69,589 |
Ryali Sriram Chief Financial Officer | Award | Feb 20, 2026 | $0.00 | 55,000 | $0.00 | 72,360 |
Khan Ruhi Ahmad Chief Business Officer | Award | Feb 20, 2026 | $0.00 | 45,000 | $0.00 | 111,936 |
Richardson-Heron Dara | Award | Feb 20, 2026 | $0.00 | 45,000 | $0.00 | 45,000 |
Sacks Natalie | Award | Feb 20, 2026 | $0.00 | 45,000 | $0.00 | 45,000 |
MCCLUNG BARBARA G Chief Legal Officer | Award | Feb 20, 2026 | $0.00 | 45,000 | $0.00 | 488,502 |
Haurwitz Rachel E. President and CEO | Buy | Mar 14, 2025 | $20,400.00 | 20,000 | $1.02 | 3.4M |
Ryali Sriram Chief Financial Officer | Buy | Jan 29, 2025 | $24,651.20 | 17,360 | $1.42 | 17,360 |
Ryali Sriram Chief Financial Officer | Award | Jan 10, 2025 | $0.00 | 300,000 | $0.00 | 300,000 |
Fischesser Ryan VP of Finance and Controller | Award | Nov 20, 2024 | $0.00 | 25,000 | $0.00 | 118,854 |