Caribou Biosciences, Inc.

CRBU

Exchange: Nasdaq
Industry: Biological Products, (No Diagnostic Substances)
SEC CIK: 0001619856

SEC filings (opens in a new tab)

No open-market purchases or sales by Caribou Biosciences, Inc. insiders were filed in the last 90 days; 137 institutions reported holding it in 13F filings for Q2 2026, worth $84.8M in total; Maverick Capital is the only superinvestor holding it.

Q4 2025 vs. Q3 2025

How the institutions holding Caribou Biosciences, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of CRBU: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	117	4	124	+11
Shares	37.2M	131.1K	37.1M	+110.9K (+0.3%)
Value	$87.0M	$305.4K	$58.8M	−$27.8M (−32.1%)

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (25)

Institutions that held Caribou Biosciences, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to CRBU in Q4 2025
Institution	Shares	Value	% of portfolio
Gsa Capital Partners LLP	371,372	$590.0K	0.05%
Omers Administration Corp	178,100	$283.2K	0.00%
Quadrature Capital Ltd	159,317	$253.3K	0.00%
Nano Cap New Millennium Growth Fund L P	112,500	$178.9K	0.15%
Mirae Asset Global ETFs Holdings Ltd.	85,246	$135.5K	0.00%
Keystone Financial Group	80,475	$128.0K	0.01%
ExodusPoint Capital Management, LP	77,704	$123.5K	0.00%
Acadian Asset Management LLC	59,722	$94.0K	0.00%
Lighthouse Investment Partners, LLC	44,160	$70.2K	0.00%
Man Group plc	36,712	$58.4K	0.00%
Bronte Capital Management Pty Ltd.	15,627	$24.8K	0.00%
China Universal Asset Management Co., Ltd.	15,231	$24.2K	0.00%
Allworth Financial LP	9,430	$15.0K	0.00%
Canada Pension Plan Investment Board	7,400	$11.8K	0.00%
JPMorgan Chase & Co	6,601	$10.5K	0.00%
Mirae Asset Global Investments Co., Ltd.	4,542	$7.22K	0.00%
Larson Financial Group LLC	4,066	$6.46K	0.00%
Hilton Head Capital Partners, LLC	3,000	$4.77K	0.00%
Nvest Wealth Strategies, Inc.	2,525	$4.01K	0.00%
GF Fund Management Co. Ltd.	1,835	$2.92K	0.00%
Global Retirement Partners, LLC	1,000	$1.59K	0.00%
Basecamp Wealth Advisors LLC	937	$1.49K	0.00%
Signature Equity Partners, LLC	177	$281	0.00%
Paladin Partners, LLC	50	$80	0.00%
McGuire Capital Advisors Inc	10	$16	0.00%

Sold out (14)

Institutions that held Caribou Biosciences, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of CRBU in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Pale Fire Capital SE	775,055	$1.81M
Schonfeld Strategic Advisors LLC	558,576	$1.30M
Catalyst Funds Management Pty Ltd	88,300	$205.7K
Thrivent Financial for Lutherans	35,562	$83.0K
Susquehanna Portfolio Strategies, LLC	29,883	$69.6K
Simplex Trading, LLC	21,123	$49.0K
R Squared Ltd	12,268	$28.6K
Wealthspire Advisors, LLC	7,500	$17.5K
Group One Trading, L.P.	6,084	$14.2K
Advisory Services Network, LLC	914	$2.13K
Rise Advisors, LLC	548	$1.28K
Principal Securities, Inc.	270	$629
Essential Partners LLC	157	$366
EverSource Wealth Advisors, LLC	24	$56

Not filed for Q4 2025 yet (4)

Institutions that held Caribou Biosciences, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CRBU in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Cubist Systematic Strategies, LLC	92,762	$216.1K
Point72 Asia (Singapore) Pte. Ltd.	29,658	$69.1K
FSA Wealth Management LLC	8,630	$20.1K
Point72 (DIFC) Ltd	33	$77