CARIBOU BIOSCIENCES INC

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CRBU·142038108·US·equity·Healthcare - Biotechnology-Activist

CRBU (CARIBOU BIOSCIENCES INC) is held by 75 institutional investors as of Q1 2026. Largest holders: RENAISSANCE TECHNOLOGIES LLC ($4.9M), BlackRock, Inc. ($4.1M), TWO SIGMA INVESTMENTS, LP ($3.3M). Net institutional sentiment: Mixed.

75

Holders

Avg rating(9 Elite)

$40.2M

Total Value

45% (80)

Fund Consensus

29 buying - 36 selling

Smart Money Verdict

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51Mixed MomentumSplit Signals

Institutional (13F)55

Insider (Form 4)45

Activist (13D/13G)50

Congressional (STOCK Act)

No data

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See how CRBU's score breaks down across 4 SEC sources

Holder Quality

9

★★★★★

Elite

21

★★★★

Strong

25

★★★

Solid

19

★★

Below

6

★

Weak

Held by 75 funds

9 elite

Who's Trading

InsiderKPKelly Timothy PSell $12KFeb 25, 2026

InsiderMGMCCLUNG BARBARA GSell $14KFeb 24, 2026

InsiderKAKhan Ruhi AhmadSell $14KFeb 24, 2026

InsiderKPKelly Timothy PSell $6KFeb 24, 2026

ActivistBlackRock, Inc.2.0%Jul 16, 2025

ActivistThe Vanguard Group4.9%Apr 30, 2025

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13F: Mar 31, 2026Insider & Congress: Updated regularly

Positions (75)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
RENAISSANCE TECHNOLOGIES LLC	Increased	2.6M(+58.0%)	$4.9M	0.0%	+29.49%	38
BlackRock, Inc.	Increased	2.1M(+0.1%)	$4.1M	0.0%	+33.43%	27
TWO SIGMA INVESTMENTS, LP	Increased	1.8M(+72.5%)	$3.3M	0.0%	+9.69%	40
BANK OF AMERICA CORP /DE/	Increased	1.3M(+30.6%)	$2.5M	0.0%	+20.52%	33
Aberdeen Group plc	Decreased	1.2M(-12.7%)	$2.3M	0.0%	-0.88%	0
MWMARSHALL WACE, LLP	Increased	1.2M(+36.8%)	$2.3M	0.0%	+25.15%	34
MILLENNIUM MANAGEMENT LLC	Increased	1.1M(+40.1%)	$2M	0.0%	+10.96%	34
GEODE CAPITAL MANAGEMENT, LLC	Increased	1M(+4.2%)	$1.9M	0.0%	-75.65%	27
MACKENZIE FINANCIAL CORP	New	942,786	$1.8M	0.0%	+21.59%	36
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Decreased	836,903(-18.9%)	$1.6M	0.0%	+30.17%	0
FMR LLC	Decreased	723,959(-0.3%)	$1.4M	0.0%	+32.92%	0
DIMENSIONAL FUND ADVISORS LP	Decreased	673,200(-33.1%)	$1.3M	0.0%	-52.77%	0
MAVERICK CAPITAL LTD	Unchanged	652,542	$1.2M	0.0%	-91.01%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	559,642(+0.7%)	$1.1M	0.0%	-73.69%	25
STATE STREET CORP	Unchanged	423,263	$804,200	0.0%	-56.84%	0
GOLDMAN SACHS GROUP INC	Decreased	376,589(-23.0%)	$715,519	0.0%	+33.75%	0
JACOBS LEVY EQUITY MANAGEMENT, INC	Decreased	358,941(-56.5%)	$681,988	0.0%	+37.85%	0
XTX Topco Ltd	Decreased	323,469(-21.8%)	$614,591	0.0%	+4.28%	0
WELLS FARGO & COMPANY/MN	Increased	303,655(+113.9%)	$576,945	0.0%	+23.19%	39
UBS Group AG	Decreased	259,169(-59.4%)	$492,421	0.0%	+10.90%	0

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Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer