Ticker · CUSIP 142038108

CRBU

CARIBOU BIOSCIENCES INC
···Share
Holders (tracked)
9
Combined shares
5,123,708
Combined value
$8.15M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
9112024Q12025Q4

SEC event timeline

11 events
  1. −35,846 shares · 2025Q4
    13F
  2. +236,489 shares · 2025Q4
    13F
  3. −2,449,533 shares · 2025Q4
    13F
  4. +250,306 shares · 2025Q4
    13F
  5. +115,391 shares · 2025Q4
    13F
  6. +859,436 shares · 2025Q4
    13F
  7. −585,718 shares · 2025Q3
    13F
  8. +1,665,946 shares · 2025Q3
    13F
  9. −1,192 shares · 2025Q3
    13F
  10. −144,935 shares · 2025Q3
    13F
  11. +248,300 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions 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
$2.7M
2022Q4
11
$38.6M
2023Q1
11
$32.8M
2023Q2
10
$27.8M
2023Q3
9
$50.7M
2023Q4
9
$67.6M
2024Q1
11
$64.9M
2024Q2
12
$22.9M
2024Q3
12
$10.3M
2024Q4
8
$6.0M
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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