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.

Q2 2026 vs. Q1 2026

How the institutions holding Caribou Biosciences, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of CRBU: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	137	1	137	+1
Shares	37.8M	137	48.4M	+10.5M (+27.8%)
Value	$71.3M	$260	$84.8M	+$13.4M (+18.8%)

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (23)

Institutions that held Caribou Biosciences, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to CRBU in Q2 2026
Institution	Shares	Value	% of portfolio
Vanguard Portfolio Management LLC	613,801	$1.08M	0.00%
Susquehanna Portfolio Strategies, LLC	158,597	$279.1K	0.00%
Nuveen, LLC	123,516	$217.4K	0.00%
Deutsche Bank AG	89,575	$157.7K	0.00%
Rhumbline Advisers	68,571	$120.7K	0.00%
Alliancebernstein L.P.	37,080	$70.5K	0.00%
New York State Common Retirement Fund	35,400	$62.3K	0.00%
Police & Firemen's Retirement System of New Jersey	27,084	$47.7K	0.00%
Spark Investment Management LLC	23,600	$41.5K	0.08%
Manufacturers Life Insurance Company, The	23,464	$41.3K	0.00%
Intech Investment Management LLC	19,870	$35.0K	0.00%
ProShare Advisors LLC	15,279	$26.9K	0.00%
Wealth Enhancement Advisory Services, LLC	11,008	$21.2K	0.00%
J.W. Cole Advisors, Inc.	11,269	$19.8K	0.00%
Naviter Wealth, LLC	11,091	$19.5K	0.00%
Victory Capital Management Inc	10,309	$18.1K	0.00%
Pekin Hardy Strauss, Inc.	10,000	$17.6K	0.00%
AE Wealth Management LLC	10,000	$17.6K	0.00%
Legal & General Group Plc	8,904	$15.7K	0.00%
Ameritas Investment Partners, Inc.	8,334	$14.7K	0.00%
Group One Trading, L.P.	5,416	$9.53K	0.00%
Sterling Capital Management LLC	1,851	$3.26K	0.00%
Optiver Holding B.V.	278	$489	0.00%

Sold out (22)

Institutions that held Caribou Biosciences, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of CRBU in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Standard Life Aberdeen plc	1,212,541	$2.30M
Omers Administration Corp	120,200	$228.4K
HRT Financial LP	78,954	$150.0K
Brevan Howard Capital Management LP	65,062	$123.6K
Jefferies Financial Group Inc.	33,262	$63.2K
Diametric Capital, LP	32,793	$62.3K
Catalyst Funds Management Pty Ltd	32,200	$61.2K
Envestnet Asset Management Inc	30,586	$58.1K
Schonfeld Strategic Advisors LLC	23,969	$45.5K
Nine Masts Capital Ltd	20,612	$39.2K
Westmount Partners, LLC	19,609	$37.3K
AQR Capital Management LLC	15,678	$29.8K
Bronte Capital Management Pty Ltd.	15,627	$29.7K
CTC Alternative Strategies, Ltd.	15,076	$28.6K
Cetera Investment Advisers	14,781	$28.1K
Two Sigma Securities, LLC	13,052	$24.8K
Jump Financial, LLC	12,460	$23.7K
Allworth Financial LP	9,430	$17.9K
Scarborough Advisors, LLC	8,420	$16.0K
Clear Street Markets LLC	809	$1.54K
Signature Equity Partners, LLC	177	$336
Advisory Services Network, LLC	114	$217

Not filed for Q2 2026 yet (1)

Institutions that held Caribou Biosciences, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CRBU in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
CWM, LLC	137	$260