Caribou Biosciences Ownership | Who Owns Caribou Biosciences?


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Caribou Biosciences Ownership Summary


Caribou Biosciences is owned by 26.44% institutional investors, 9.72% insiders, and 63.85% retail investors. Blackrock is the largest institutional shareholder, holding 7.78% of CRBU shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.92% of its assets in Caribou Biosciences shares.

CRBU Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockCaribou Biosciences26.44%9.72%63.85%
SectorHealthcare Stocks 232.20%10.74%-142.94%
IndustryBiotech Stocks 382.11%10.55%-292.66%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock6.95M7.78%$11.39M
Pfizer4.69M5.03%$7.46M
Bank of america corp /de/4.16M4.66%$6.83M
Vanguard group4.30M4.61%$6.84M
Kynam capital management, lp3.07M3.30%$7.15M
Blackrock funding, inc. /de2.14M2.29%$3.40M
Renaissance1.64M1.76%$2.61M
Abrdn1.39M1.49%$2.21M
Pfm health sciences, lp1.36M1.46%$3.17M
Two sigma advisers, lp1.23M1.32%$2.86M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Pfizer4.69M3.15%$7.46M
72 investment474.07K1.63%$1.10M
Green alpha advisors375.14K0.55%$596.47K
Kynam capital management, lp3.07M0.53%$7.15M
Pfm health sciences, lp1.36M0.24%$3.17M
Bruce250.00K0.18%$582.50K
Nano cap new millennium growth fund l p112.50K0.15%$178.88M
Milestone asset management231.80K0.07%$368.56K
Xtx topco441.54K0.05%$1.03M
Gsa capital partners llp371.37K0.05%$590.00K

Top Buyers

HolderShares% AssetsChange
Bank of america corp /de/4.16M0.00%3.05M
Renaissance1.64M0.00%859.44K
Blackrock funding, inc. /de2.14M0.00%681.70K
Gsa capital partners llp371.37K0.05%371.37K
Xtx topco441.54K0.05%336.31K

Top Sellers

HolderShares% AssetsChange
Avidity partners management lp---5.79M
Alkeon capital management---2.74M
Paradigm biocapital advisors lp---2.17M
Schonfeld strategic advisors558.58K0.01%-1.71M
Fil---860.67K

New Positions

HolderShares% AssetsChangeValue
Marshall wace, llp125.84K0.00%125.84K$293.22K
Nano cap new millennium growth fund l p112.50K0.15%112.50K$178.88M
American century companies81.80K0.00%81.80K$190.60K
Acadian asset management59.72K0.00%59.72K$94.00K
Qube research45.15K0.00%45.15K$105.20K

Sold Out

HolderChange
Nbc securities-2.00
Northwestern mutual wealth management-4.00
Nelson, van denburg & campbell wealth management group-17.00
Eversource wealth advisors-24.00
Frazier financial advisors-40.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 202580-33.88%24,665,069-33.73%261.65%31-11.43%21-56.25%
Sep 30, 2025115-13.53%36,849,134-9.66%392.06%33-46.77%469.52%
Jun 30, 2025132-0.75%40,507,235-19.40%431.48%6112.96%43-
Mar 31, 2025133-1.48%50,255,248-13.75%541.31%54-28.00%4462.96%
Dec 31, 20241332.31%58,115,66010.96%641.92%7321.67%27-15.63%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard Total Stock Mkt Idx Inv2.73M2.92%-
ACATIS Datini Valueflex Fonds A2.00M2.14%-
Selectra J. Lamarck Biotech A1.65M1.77%-
abrdn Life Sciences Investors1.39M1.49%-
Vanguard Institutional Extnd Mkt Idx Tr925.03K0.99%-
Fidelity Small Cap Index843.92K0.91%-
JPMorgan US Small Company L786.21K0.87%-22.84K
iShares Russell 2000 Value ETF762.12K0.82%-
Candriam Global Equities Oncology625.00K0.69%-520.00K
iShares Biotechnology ETF611.79K0.65%33.94K

Recent Insider Transactions


DateNameRoleActivityValue
Feb 25, 2026Kelly Timothy P Chief Technology OfficerSell$12.02K
Feb 24, 2026Kelly Timothy P Chief Technology OfficerSell$6.17K
Feb 24, 2026MCCLUNG BARBARA G Chief Legal OfficerSell$13.60K
Feb 24, 2026Khan Ruhi Ahmad Chief Business OfficerSell$13.60K
Feb 24, 2026Albertson Tina M. Chief Medical OfficerSell$2.09K

Insider Transactions Trends


DateBuySell
2026 Q1-5
2025 Q123
2024 Q4--
2024 Q3--
2024 Q1--

CRBU Ownership FAQ


Who Owns Caribou Biosciences?

Caribou Biosciences shareholders are primarily institutional investors at 26.44%, followed by 9.72% insiders and 63.84% retail investors. The average institutional ownership in Caribou Biosciences's industry, Biotech Stocks , is 382.11%, which Caribou Biosciences falls below.

Who owns the most shares of Caribou Biosciences?

Caribou Biosciences’s largest shareholders are Blackrock (6.95M shares, 7.78%), Pfizer (4.69M shares, 5.03%), and Bank of america corp /de/ (4.16M shares, 4.66%). Together, they hold 17.47% of Caribou Biosciences’s total shares outstanding.

Does Blackrock own Caribou Biosciences?

Yes, BlackRock owns 7.78% of Caribou Biosciences, totaling 6.95M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 11.39M$. In the last quarter, BlackRock decreased its holdings by -57.242K shares, a -0.82% change.

Who is Caribou Biosciences’s biggest shareholder by percentage of total assets invested?

Pfizer is Caribou Biosciences’s biggest shareholder by percentage of total assets invested, with 3.15% of its assets in 4.69M Caribou Biosciences shares, valued at 7.46M$.

Who is the top mutual fund holder of Caribou Biosciences shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Caribou Biosciences shares, with 2.92% of its total shares outstanding invested in 2.73M Caribou Biosciences shares.

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