Caribou Biosciences Inc. (CRBU)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	6,346,438	$5,794,934	0%
2.	Pfizer Inc	4,690,431	$4,282,833	0.86%
3.	Vanguard Group Inc	4,522,032	$4,128,615	0%
4.	Geode Capital Management, Llc	2,053,929	$1,875,729	0%
5.	State Street Corp	1,641,181	$1,498,562	0%