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Caribou Biosciences
CRBU

Overview Fund Activity

128 hedge funds and large institutions have $51.6M invested in Caribou Biosciences in 2025 Q2 according to their latest regulatory filings, with 34 funds opening new positions, 26 increasing their positions, 43 reducing their positions, and 35 closing their positions.

Holders
128
Holders Change
-2
Holders Change %
-1.54%
% of All Funds
1.72%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
34
Increased
26
Reduced
43
Closed
35
Calls
$152K
Puts
$96K
Net Calls
+$56K
Net Calls Change
+$20K

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$1.95M
2
Royal Bank of Canada
2
Royal Bank of Canada
Ontario, Canada
$754K
3
Renaissance Technologies
3
Renaissance Technologies
New York
$670K
4
Aberdeen Group
4
Aberdeen Group
United Kingdom
$1.13M
5
P
5
&Partners
Tennessee
$424K

Top Sellers

1
BlackRock
1
BlackRock
New York
$2.37M
2
State Street
2
State Street
Massachusetts
$451K
3
PHS
3
PFM Health Sciences
California
$1.71M
4
Geode Capital Management
4
Geode Capital Management
Massachusetts
$1.24M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$895
Name Market Value Shares Shares
Change 		Shares
Change %
P
1
Pfizer
New York
$5.91M 4,690,431 – –
Vanguard Group
2
Vanguard Group
Pennsylvania
$5.15M 4,089,866 -432,166 -10%
KCM
3
Kynam Capital Management
New Jersey
$3.87M 3,067,774 -201,373 -6%
SSA
4
Schonfeld Strategic Advisors
New York
$2.86M 2,272,866 -78,716 -3%
BlackRock
5
BlackRock
New York
$2.37M 1,883,476 -4,462,962 -70%
Millennium Management
6
Millennium Management
New York
$1.95M 1,550,589 +729,538 +89%
Two Sigma Advisers
7
Two Sigma Advisers
New York
$1.82M 1,447,800 -59,400 -4%
PHS
8
PFM Health Sciences
California
$1.71M 1,358,831 -1,147,604 -46%
Dimensional Fund Advisors
9
Dimensional Fund Advisors
Texas
$1.65M 1,307,355 -77,314 -6%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$1.24M 980,929 -1,073,000 -52%
Jacobs Levy Equity Management
11
Jacobs Levy Equity Management
New Jersey
$1.21M 956,980 -485,141 -34%
Two Sigma Investments
12
Two Sigma Investments
New York
$1.17M 928,525 -52,773 -5%
Aberdeen Group
13
Aberdeen Group
United Kingdom
$1.13M 897,579 +486,435 +118%
Bank of America
14
Bank of America
North Carolina
$1.02M 808,900 -291,565 -26%
Goldman Sachs
15
Goldman Sachs
New York
$997K 791,616 -31,224 -4%
PFCS
16
Pale Fire Capital SE
Czech Republic
$977K 775,055 -11,667 -1%
Fidelity Investments
17
Fidelity Investments
Massachusetts
$919K 729,441 -730,657 -50%
MC
18
Maverick Capital
Texas
$822K 652,542 – –
AQR Capital Management
19
AQR Capital Management
Connecticut
$815K 647,125 +121,247 +23%
Royal Bank of Canada
20
Royal Bank of Canada
Ontario, Canada
$754K 599,231 +574,491 +2,322%
Cambridge Investment Research Advisors
21
Cambridge Investment Research Advisors
Iowa
$736K 584,446 -27,966 -5%
DekaBank Deutsche Girozentrale
22
DekaBank Deutsche Girozentrale
Germany
$723K 130,000 – –
Renaissance Technologies
23
Renaissance Technologies
New York
$670K 532,121 +532,121 New
Charles Schwab
24
Charles Schwab
California
$667K 529,449 -197,773 -27%
Jane Street
25
Jane Street
New York
$609K 483,610 +189,923 +65%
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