Companies / Caribou Biosciences, Inc.

Caribou Biosciences, Inc.

Nasdaq: CRBUCIK 1619856BERKELEY, CA

Financials · FY2025

Revenue$11.16M
Net income$-148.13M
Total debt—
Cash$26.19M
Diluted EPS$-1.59
Shares outstanding99.2M

Ownership

99.2M shares outstanding · as of Apr 30, 2026
1.0%Insiders
Ownership
Insiders1.01%1,001,074
Institutions46.93%46,543,173
Public float52.06%51,636,328

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 13

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Insider% of sharesShares
McClung Barbara GChief Legal Officer
0.49%481,564
Haurwitz Rachel E.CEOPresident and CEO · Director
0.45%447,150
Khan Ruhi AhmadFormerChief Business Officer
0.11%104,998
Kelly Timothy PFormerChief Technology Officer
0.07%73,125
Ryali SriramChief Financial Officer
0.07%72,360
Albertson Tina M.FormerChief Medical Officer
0.07%68,523
Braunstein ScottDirector
——
Guggenhime AndrewDirector
——
Johnson David LeeDirector
——
Richardson-Heron DaraDirector
——

Institutional holders 128

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HolderValue% of shares
BlackRock, Inc.$13.76M7.88%
Pfizer Inc$7.46M4.73%
Vanguard Group Inc$6.84M4.34%
Renaissance Technologies LLC$4.92M2.61%
Kynam Capital Management, LP$3.98M2.52%
Two Sigma Investments, LP$3.34M1.77%
State Street Corporation$2.87M1.65%
Marshall Wace, LLP$2.29M1.22%
Aberdeen Group plc$2.21M1.40%
Millennium Management LLC$2.04M1.08%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Feb 24, 2026Khan Ruhi Ahmad
Executive
SellCommon Stock$13.6K-7K
-6.20%
104,998
0.11% of shares
low
Feb 24, 2026McClung Barbara G
Executive
SellCommon Stock$13.6K-7K
-1.42%
481,564
0.49% of shares
low
Feb 25, 2026Kelly Timothy P
Executive
SellCommon Stock$12.0K-6K
-7.85%
73,125
0.07% of shares
low
Feb 24, 2026Kelly Timothy P
Executive
SellCommon Stock$6.2K-3K
-3.81%
79,353
0.08% of shares
low
Feb 24, 2026Albertson Tina M.
Executive
SellCommon Stock$2.1K-1K
-1.53%
68,523
0.07% of shares
low
Feb 20, 2026Ryali Sriram
Executive
GrantCommon Stock$0+55K
+316.82%
72,360
0.07% of shares
low
Feb 20, 2026Kelly Timothy P
Executive
GrantCommon Stock$0+45K
+120.00%
82,500
0.08% of shares
low
Feb 20, 2026Haurwitz Rachel E.
CEO
GrantCommon Stock$0+152K
+51.35%
447,150
0.45% of shares
low

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
CRBUCommon StockEquity142038108BBG008G28LJ5