Ticker · CUSIP 142038108

CRBU

CARIBOU BIOSCIENCES INC
···Share
Holders (tracked)
9
Combined shares
5,123,708
Combined value
$8.15M
Last close
$2.20
Quarter
2025Q4
Price · 1Y$2.20+1.47 (+199.32%)H $2.84 · L $0.74 · Avg Vol 1.5M
Position opened
$1.00$1.50$2.00$2.50VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
9112024Q12025Q4
Price is +38.4% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

11 events
  1. −35,846 shares · 2025Q4
    Position
  2. +236,489 shares · 2025Q4
    Position
  3. −2,449,533 shares · 2025Q4
    Position
  4. +250,306 shares · 2025Q4
    Position
  5. +115,391 shares · 2025Q4
    Position
  6. +859,436 shares · 2025Q4
    Position
  7. −585,718 shares · 2025Q3
    Position
  8. +1,665,946 shares · 2025Q3
    Position
  9. −1,192 shares · 2025Q3
    Position
  10. −144,935 shares · 2025Q3
    Position
  11. +248,300 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of CRBU…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
AQR Capital Management2024Q2$1.07+104.8%$56K
Ken Griffin (Citadel Advisors)2021Q4$1.63+34.9%$151K
Ken Griffin (Citadel Advisors)2021Q4$1.63+34.9%$151K
Ken Griffin (Citadel Advisors)2021Q4$1.63+34.9%$151K
Renaissance Technologies2021Q4$1.78+23.7%$3.6M
Steve Cohen (Point72)2021Q3$1.80+22.1%$889K
Izzy Englander (Millennium Mgmt)2021Q3$2.01+9.4%$1.7M
Two Sigma Investments2022Q1$2.12+3.7%$2.2M
Lee Ainslie (Maverick Capital)2021Q3$22.87-90.4%$1.4M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions0
Trimmed2
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
11
$45.7M
2022Q2
10
$31.4M
2022Q3
7
$63.2M
2022Q4
11
$40.3M
2023Q1
11
$35.0M
2023Q2
10
$27.8M
2023Q3
9
$50.8M
2023Q4
9
$67.9M
2024Q1
11
$65.1M
2024Q2
12
$22.9M
2024Q3
12
$10.4M
2024Q4
8
$6.1M
2025Q1
8
$3.0M
2025Q2
9
$6.2M
2025Q3
9
$14.3M
2025Q4
9
$8.1M

Who owns CRBU

9 super-investors · 2025Q4
Tracked stake
5.12M
shares
Combined value
$8M
% of shares outstanding
shares-out unknown
Quarter action mix
Added6Trim2Held1
#ManagerSharesValue
1Renaissance Technologies1.64M$3M
2Two Sigma Investments1.02M$2M
3Izzy Englander
Millennium Mgmt
767.0K$1M
4Lee Ainslie
Maverick Capital
652.5K$1M
5Ken Griffin
Citadel Advisors
515.4K$820K
6Steve Cohen
Point72
403.9K$642K
7Ken Griffin
Citadel Advisors
68.8K$109K
8Ken Griffin
Citadel Advisors
30.5K$48K
9AQR Capital Management25.6K$41K

Recent moves

20 transactions
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