Caribou Biosciences
CRBU
117 hedge funds and large institutions have $87M invested in Caribou Biosciences in 2025 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 21 increasing their positions, 47 reducing their positions, and 28 closing their positions.
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
68% more capital invested
Capital invested by funds: $51.9M → $87M (+$35.1M)
3.93% less ownership
Funds ownership: 43.83% → 39.9% (-3.9%)
9% less funds holding
Funds holding: 129 → 117 (-12)
38% less call options, than puts
Call options by funds: $191K | Put options by funds: $307K
43% less first-time investments, than exits
New positions opened: 16 | Existing positions closed: 28
55% less repeat investments, than reductions
Existing positions increased: 21 | Existing positions reduced: 47
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$3.14M |
| 2 |
Aberdeen Group
Edinburgh,
United Kingdom
|
+$928K |
| 3 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$635K |
| 4 |
Bank of America
Charlotte,
North Carolina
|
+$501K |
| 5 |
Renaissance Technologies
New York
|
+$469K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SSA
Schonfeld Strategic Advisors
New York
|
-$3.24M |
| 2 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
-$1.15M |
| 3 |
AQR Capital Management
Greenwich,
Connecticut
|
-$1.11M |
| 4 |
Goldman Sachs
New York
|
-$1.03M |
| 5 |
BlackRock
New York
|
-$801K |
CRBU Hedge Fund Activity: Q3 2025 in Review
117 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Caribou Biosciences (CRBU) for Q3 2025, worth a combined $87M — up 68% from $51.9M a quarter earlier.
Sellers outnumbered buyers: 28 funds closed out of CRBU and 16 opened new positions — a net loss of 12 holders — while 47 trimmed existing stakes and 21 added.
The largest buyer was Millennium Management, adding an estimated $3.14M. The largest seller was Schonfeld Strategic Advisors, cutting an estimated $3.24M.
- 117 institutional investors held Caribou Biosciences (CRBU) as of Q3 2025, down from 129 in Q2 2025.
- Funds reported $87M of Caribou Biosciences stock for Q3 2025, up 68% quarter-over-quarter.
- 16 funds opened new Caribou Biosciences positions in Q3 2025 and 28 closed out, a net change of -12 holders.
- The largest Caribou Biosciences buyer in Q3 2025 was Millennium Management, an estimated $3.14M added.
- The largest Caribou Biosciences seller in Q3 2025 was Schonfeld Strategic Advisors, an estimated $3.24M sold.
Based on aggregated 13F filings for Q3 2025.