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.

Q3 2023 vs. Q2 2023

How the institutions holding Caribou Biosciences, Inc. changed between Q2 2023 and Q3 2023.

All holders in Q3 2023 All holders in Q2 2023

13F holders of CRBU: Q2 2023 compared with Q3 2023
Measure	Q2 2023	Of which not filed for Q3 2023	Q3 2023	Change
Holders	121	2	126	+7
Shares	43.7M	2.38M	70.8M	+29.4M (+71.1%)
Value	$185.5M	$10.1M	$338.5M	+$163.1M (+93.0%)

2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (28)

Institutions that held Caribou Biosciences, Inc. at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to CRBU in Q3 2023
Institution	Shares	Value	% of portfolio
Deerfield Management Company, L.P. (Series C)	3,500,000	$16.7M	0.37%
Paradigm Biocapital Advisors LP	2,944,513	$14.1M	0.96%
Pictet Asset Management Holding SA	1,929,389	$9.22M	0.01%
Kynam Capital Management, LP	1,068,527	$5.11M	0.85%
Silverarc Capital Management, LLC	892,786	$4.27M	1.59%
Rafferty Asset Management, LLC	507,400	$2.43M	0.01%
Woodline Partners LP	461,538	$2.21M	0.03%
Jefferies Financial Group Inc.	300,000	$1.43M	0.04%
Wellington Management Group LLP	199,105	$951.7K	0.00%
Laurion Capital Management LP	165,192	$789.6K	0.02%
Westwood Holdings Group Inc.	152,436	$729.0K	0.01%
Alyeska Investment Group, L.P.	125,000	$597.5K	0.00%
Atom Investors LP	123,427	$590.0K	0.13%
Jump Financial, LLC	92,204	$440.7K	0.02%
Profund Advisors LLC	84,899	$405.8K	0.02%
Ghisallo Capital Management LLC	75,000	$358.5K	0.04%
Virtu Financial LLC	33,049	$158.0K	0.02%
E Fund Management Co., Ltd.	26,065	$125.0K	0.01%
Aristides Capital LLC	25,555	$122.2K	0.08%
Mutual Advisors, LLC	17,366	$83.0K	0.00%
Credit Suisse AG	15,188	$72.6K	0.00%
Two Sigma Advisers, LP	14,000	$66.9K	0.00%
Gsa Capital Partners LLP	10,734	$51.0K	0.00%
Newbridge Financial Services Group, Inc.	2,000	$9.56K	0.00%
Harbour Investments, Inc.	1,000	$4.78K	0.00%
Federation des caisses Desjardins du Quebec	500	$2.39K	0.00%
Lindbrook Capital, LLC	269	$1.29K	0.00%
Jamison Private Wealth Management, Inc.	188	$899	0.00%

Sold out (21)

Institutions that held Caribou Biosciences, Inc. at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of CRBU in Q3 2023
Institution	Shares, Q2 2023	Value, Q2 2023
Memorial Sloan Kettering Cancer Center	544,196	$2.31M
Jacobs Levy Equity Management, Inc	436,024	$1.85M
Connor, Clark & Lunn Investment Management Ltd.	162,221	$689.4K
Regents of the University of California	90,652	$385.3K
Qube Research & Technologies Ltd	83,612	$355.4K
HRT Financial LP	77,467	$329.0K
Y-Intercept (Hong Kong) Ltd	44,155	$187.7K
UBS Asset Management Americas Inc	32,062	$170.3K
ExodusPoint Capital Management, LP	39,350	$167.0K
Cornercap Investment Counsel Inc	39,230	$166.7K
Public Employees Retirement System of Ohio	37,700	$160.0K
Norges Bank	24,800	$105.4K
Susquehanna Fundamental Investments, LLC	24,752	$105.2K
Prelude Capital Management, LLC	23,900	$101.6K
XTX Topco Ltd	15,553	$66.1K
BSW Wealth Partners	13,593	$57.8K
Ergoteles LLC	12,500	$53.1K
Centiva Capital, LP	10,657	$45.3K
Russell Investments Group, Ltd.	1,716	$7.29K
Venturi Wealth Management, LLC	100	$425
Sofos Investments, Inc.	4	$4

Not filed for Q3 2023 yet (2)

Institutions that held Caribou Biosciences, Inc. at the end of Q2 2023 and haven't filed a 13F for Q3 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CRBU in Q2 2023 that haven't filed for Q3 2023
Institution	Shares, Q2 2023	Value, Q2 2023
Pictet Asset Management SA	1,809,261	$7.69M
Tekla Capital Management LLC	567,147	$2.41M