Stock Ownership/CRBU

CARIBOU BIOSCIENCES INC (CRBU): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in CRBU · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
9
13F filers
Aggregate Value
$10.1M
Across holders
Last Price
$1.64
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity3 increased5 reduced3 exited
Full exits: AQR CAPITAL MANAGEMENT LLC, Schonfeld Strategic Advisors LLC, Brevan Howard Capital Management LP
Institutional Holders of CRBU
↗
9 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund2.77M$4.9M48.3%0.0%Added+$322KQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund1.05M$1.8M18.2%0.0%Reduced$-1.3MQ2 2026
MAVERICK CAPITAL LTD
CIK 0000934639
Hedge Fund653K$1.1M11.4%0.0%Unchanged+$0Q2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund546K$961K9.5%0.0%Added+$650KQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund376K$661K6.5%0.0%Reduced$-673KQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund240K$423K4.2%0.0%Added+$287KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund51K$90K0.9%0.0%Reduced$-1.8MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund40K$71K0.7%0.0%Reduced$-56KQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund16K$28K0.3%0.0%Reduced$-302KQ2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$4.9M· 48.3% of total· 0.0% port· 2.77M sh· +$322K QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$1.8M· 18.2% of total· 0.0% port· 1.05M sh· $-1.3M QoQ· Q2 2026
MAVERICK CAPITAL LTDUnchanged
Hedge Fund
$1.1M· 11.4% of total· 0.0% port· 653K sh· +$0 QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$961K· 9.5% of total· 0.0% port· 546K sh· +$650K QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$661K· 6.5% of total· 0.0% port· 376K sh· $-673K QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$423K· 4.2% of total· 0.0% port· 240K sh· +$287K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$90K· 0.9% of total· 0.0% port· 51K sh· $-1.8M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$71K· 0.7% of total· 0.0% port· 40K sh· $-56K QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$28K· 0.3% of total· 0.0% port· 16K sh· $-302K QoQ· Q2 2026
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