Caribou Biosciences, Inc. (CRBU) Institutional Ownership

Institutions by Trading Activity

92,427,647Shares Outstanding

0Shares held by institutions

$0Value of institutional holdings

0.41%Institutional ownership %

3.15%Shares Changed QoQ

1No. of institutional investors

The institutional landscape for Caribou Biosciences, Inc. (NASDAQ:CRBU) includes 1 filers as of the latest reporting cycle ending December 2025.

The percentage of Caribou Biosciences owned by institutions changed from 39.8% in September 2025 to 0.4% in December 2025, marking a slight down trend.
Quarterly data indicates a 3.15% shift in institutional share volume, and the annual owner count reflects a decrease of 99.22%.
Among the 1 institutional holders of Caribou Biosciences, 1 added to their stakes while 0 trimmed their positions and 0 held steady.
The aggregate institutional position in Caribou Biosciences now stands at 375.14K shares as of December 2025, after investors increased their holdings (up by 11.44K shares quarter on quarter which is down 55.65Mn shares year over year).
With 375.14K shares, Green Alpha Advisors, LLC commands the largest institutional position in Caribou Biosciences as of December 31, 2025, equating to 0.41% of the company.
Among the most significant buyers of Caribou Biosciences during December 2025 were Green Alpha Advisors, LLC (11.44K).
The top 1 institutional holders of Caribou Biosciences for the quarter ending December 2025 included Green Alpha Advisors, LLC (375.14K).

0 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
PFIZER INC	30 Sep, 2025	4,690,431	0	0.00%	$10,928,704.00
VANGUARD GROUP INC	30 Sep, 2025	4,226,926	137,060	3.35%	$9,848,737.00
MILLENNIUM MANAGEMENT LLC	30 Sep, 2025	3,216,535	1,665,946	107.44%	$7,494,527.00
Kynam Capital Management, LP	30 Sep, 2025	3,067,774	0	0.00%	$7,147,913.00
BlackRock, Inc.	30 Sep, 2025	1,459,320	-424,156	-22.52%	$3,400,215.00
Aberdeen Group plc	30 Sep, 2025	1,388,905	491,326	54.74%	$3,236,149.00
PFM Health Sciences, LP	30 Sep, 2025	1,358,831	0	0.00%	$3,166,076.00
TWO SIGMA ADVISERS, LP	30 Sep, 2025	1,227,400	-220,400	-15.22%	$2,859,842.00
DIMENSIONAL FUND ADVISORS LP	30 Sep, 2025	1,210,310	-97,045	-7.42%	$2,819,859.00
BANK OF AMERICA CORP /DE/	30 Sep, 2025	1,074,442	265,542	32.83%	$2,503,450.00
GEODE CAPITAL MANAGEMENT, LLC	30 Sep, 2025	985,126	4,197	0.43%	$2,296,349.00
TWO SIGMA INVESTMENTS, LP	30 Sep, 2025	783,590	-144,935	-15.61%	$1,825,765.00
RENAISSANCE TECHNOLOGIES LLC	30 Sep, 2025	780,421	248,300	46.66%	$1,818,381.00
Pale Fire Capital SE	30 Sep, 2025	775,055	0	0.00%	$1,805,878.00
FMR LLC	30 Sep, 2025	729,002	-439	-0.06%	$1,698,574.00
MAVERICK CAPITAL LTD	30 Sep, 2025	652,542	0	0.00%	$1,520,423.00
Cambridge Investment Research Advisors, Inc.	30 Sep, 2025	582,387	-2,059	-0.35%	$1,357.00
ROYAL BANK OF CANADA	30 Sep, 2025	574,267	-24,964	-4.17%	$1,337,000.00
Schonfeld Strategic Advisors LLC	30 Sep, 2025	558,576	-1,714,290	-75.42%	$1,301,480.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	30 Sep, 2025	558,474	29,025	5.48%	$1,301,244.00

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