13F

Stock

Caribou Biosciences, Inc.

CRBU · held by 134 managers

Reported value

$67.4M

Holders

134

+25 new · −14 exited

Holders’ est. mark

$7.84M

Price effect on 106 books still in the name

Largest holder

$8.35M

Pfizer Inc

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Pfizer Inc4.69M$8.35M$891.2KAdded$891.2K
VANGUARD CAPITAL MANAGEMENT LLC3.77M$7.16MHeld
Renaissance Technologies2.59M$4.92M$508.4KAdded$2.31M
Kynam Capital Management, LP2.5M$4.76M$776KAdded$776K
BlackRock, Inc.2.14M$4.07M$663.7KAdded$667.6K
TWO SIGMA INVESTMENTS, LP1.76M$3.34M$316.2KAdded$1.72M
BANK OF AMERICA CORP /DE/1.3M$2.46M$307.9KAdded$885.5K
Aberdeen Group plc1.21M$2.3M$375.9KAdded$95.5K
MARSHALL WACE, LLP1.21M$2.29M$273.1KAdded$889.8K
MILLENNIUM MANAGEMENT LLC1.07M$2.04M$237.8KAdded$821.9K
GEODE CAPITAL MANAGEMENT, LLC1.02M$1.93M$302.9KAdded$381.2K
PFM Health Sciences, LP957.8K$1.82M$296.9KAdded$296.9K
MACKENZIE FINANCIAL CORP942.8K$1.79MNew
SUSQUEHANNA INTERNATIONAL GROUP, LLP836.9K$1.59M$259.4KCut−$49.8K
Fidelity724K$1.38M$224.4KAdded$221.2K
DIMENSIONAL FUND ADVISORS LP673.2K$1.28M$207.7KCut−$321.5K
MAVERICK CAPITAL LTD652.5K$1.24M$202.3KAdded$202.3K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC559.6K$1.06M$172.2KAdded$179.9K
VANGUARD FIDUCIARY TRUST CO520.1K$988.2KHeld
72 Investment Holdings, LLC474.1K$900.7K$147KAdded$147K
State Street423.3K$804.2K$131.2KAdded$131.2K
GOLDMAN SACHS GROUP INC376.6K$715.5K$116.7KCut−$62.2K
Green Alpha Advisors, LLC373.6K$709.9K$115.8KAdded$113.5K
JACOBS LEVY EQUITY MANAGEMENT, INC358.9K$682K$111.3KCut−$628.6K
XTX Topco Ltd323.5K$614.6K$100.3KCut−$42.7K
WELLS FARGO & COMPANY/MN303.7K$576.9K$44KAdded$351.3K
UBS Group AG259.2K$492.4K$80.3KCut−$521.6K
Bruce & Co., Inc.250K$475K$77.5KAdded$77.5K
MORGAN STANLEY245.1K$465.7K$76KCut−$8.83K
NORTHERN TRUST CORP217.7K$413.7K$67.5KAdded$67.5K
Point72 Asset Management, L.P.187.6K$356.5K$58.2KCut−$285.8K
Qube Research & Technologies Ltd176.7K$335.7K$54.8KAdded$10.3K
MILESTONE ASSET MANAGEMENT, LLC162.1K$307.9K$50.2KCut−$60.6K
Citadel159K$302.2K$49.3KCut−$517.4K
BRIDGEWAY CAPITAL MANAGEMENT, LLC132K$250.8K$40.9KAdded$14.7K
OMERS ADMINISTRATION Corp120.2K$228.4K$37.3KCut−$54.8K
NANO CAP NEW MILLENNIUM GROWTH FUND L P117.5K$223.3K$34.9KAdded$44.4K
AMERICAN CENTURY COMPANIES INC112.5K$213.7K$34.9KAdded$34.9K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.88.5K$168.1K$26.4KAdded$32.6K
Invesco Ltd.83.5K$158.7K$10.9KAdded$102.9K
Keystone Financial Group80.5K$152.9K$24.9KAdded$24.9K
Man Group plc77.2K$146.7K$11.4KAdded$88.3K
Brevan Howard Capital Management LP65.1K$123.6KNew
Nelson Capital Management, LLC58.7K$111.5K$18.2KAdded$18.2K
CANADA PENSION PLAN INVESTMENT BOARD57.9K$110K$2.29KAdded$98.2K
CITIGROUP INC56.9K$108.2K$17.6KCut−$10.4K
COMMONWEALTH EQUITY SERVICES, LLC44.9K$85.3K$13.9KAdded$12.3K
RBF Capital, LLC40K$76K$12.4KAdded$12.4K
Quadrature Capital Ltd39.6K$75.2K$12.3KCut−$178.2K
Vanguard Personalized Indexing Management, LLC39.2K$74.5K$12.2KAdded$7.58K
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO39.1K$74.3K$12.1KAdded$7.2K
Graham Capital Management, L.P.38.8K$73.6K$12KCut−$96.9K
LPL Financial LLC35.3K$67K$4.81KAdded$42.3K
HSBC HOLDINGS PLC34.5K$65.3K$10.3KAdded$10.3K
US BANCORP \DE\34.3K$65.1K$10.6KAdded$10.6K
Jefferies Financial Group Inc.33.3K$63.2K$10.3KCut−$8.1K
Diametric Capital, LP32.8K$62.3KNew
&PARTNERS32.5K$61.8K$10.1KAdded$5.31K
Prime Capital Investment Advisors, LLC32.3K$61.4K$10KAdded$7.44K
Catalyst Funds Management Pty Ltd32.2K$61.2KNew
Thrive Wealth Management, LLC32K$60.8K$9.92KAdded$9.92K
SEI INVESTMENTS CO31K$58.9KNew
Connor, Clark & Lunn Investment Management Ltd.30.7K$58.4KNew
ENVESTNET ASSET MANAGEMENT INC30.6K$58.1K$9.48KAdded$6.75K
AMERIPRISE FINANCIAL INC29.4K$55.9K$9.12KCut−$79.4K
Vanguard Global Advisers, LLC29.1K$55.3KHeld
CREDIT AGRICOLE S A29K$55.1K$8.99KAdded$8.99K
Russell Investments Group, Ltd.27.6K$52.4K$7.55KAdded$13.7K
BARCLAYS PLC26.7K$50.8K$6.72KAdded$16.3K
JANE STREET GROUP, LLC25K$47.5K$7.74KCut−$422.7K
Schonfeld Strategic Advisors LLC24K$45.5KNew
BANK OF MONTREAL /CAN/21K$39.9KNew
NINE MASTS CAPITAL Ltd20.6K$39.2KNew
Next Capital Management LLC20K$38K$6.2KAdded$6.2K
Westmount Partners, LLC19.6K$37.3KNew
LIBERTY WEALTH MANAGEMENT LLC19.5K$37K$6.04KAdded$6.04K
PRUDENTIAL FINANCIAL INC19K$36.1KNew
HighTower Advisors, LLC16.9K$32.2K$5.25KAdded$5.25K
China Universal Asset Management Co., Ltd.16.6K$31.5K$4.72KAdded$7.3K
Creative Planning16.5K$31.4K$5.11KAdded$1.94K
RAYMOND JAMES FINANCIAL INC16.4K$31.1KNew
Modern Wealth Management, LLC15K$29.9K$6KAdded$6K
Icahn Capital15.7K$29.8K$4.86KCut−$10.9K
Bronte Capital Management Pty Ltd.15.6K$29.7K$4.84KAdded$4.84K
CTC Alternative Strategies, Ltd.15.1K$28.6KNew
AXQ CAPITAL, LP15K$28.5KNew
Cetera Investment Advisers14.8K$28.1K$4.58KAdded$2.99K
GREAT VALLEY ADVISOR GROUP, INC.14.3K$27.6KNew
TWO SIGMA SECURITIES, LLC13.1K$24.8KNew
PINNACLE ASSOCIATES LTD12.9K$24.5K$4KAdded$4K
Pinnacle Wealth Management Advisory Group, LLC12.9K$24.5K$4KAdded$4K
HBK Sorce Advisory LLC12.3K$23.9K$4.57KAdded$4.57K
Bank of New York Mellon Corp12.5K$23.8K$3.88KAdded$3.17K
Jump Financial, LLC12.5K$23.7KNew
Quantinno Capital Management LP10.4K$19.8KNew
OSAIC HOLDINGS, INC.10.3K$19.7K$3.21KAdded$2.66K
Chevy Chase Trust Holdings, LLC10K$19K$3.1KAdded$3.1K
Allworth Financial LP9.43K$17.9K$2.92KAdded$2.92K
Scarborough Advisors, LLC8.42K$16KNew
Tower Research Capital LLC (TRC)6.02K$11.4K$1.87KCut−$20.9K
JPMORGAN CHASE & CO6.09K$10.5K$791Cut−$23
Mirae Asset Global Investments Co., Ltd.4.88K$9.26K$1.41KAdded$2.04K
PNC Financial Services Group, Inc.4.42K$8.4K$1.37KAdded$1.37K
Larson Financial Group LLC4.07K$7.72K$1.26KAdded$1.26K
Atlantic Union Bankshares Corp3.2K$6.08K$992Added$992
Hilton Head Capital Partners, LLC3K$5.7K$930Added$930
FEDERATED HERMES, INC.2.72K$5.17K$844Added$844
ROYAL BANK OF CANADA2.46K$5K$1.03KCut−$19K
Nvest Wealth Strategies, Inc.2.52K$4.8K$783Added$783
BNP PARIBAS FINANCIAL MARKETS2.15K$4.08K$583Added$1.09K
GF FUND MANAGEMENT CO. LTD.2.1K$3.99K$568Added$1.07K
Newbridge Financial Services Group, Inc.2K$3.8K$620Added$620
HARBOUR INVESTMENTS, INC.1.18K$2.24K$310Added$652
TD Waterhouse Canada Inc.1K$1.98K$400Added$400
NISA INVESTMENT ADVISORS, LLC1.03K$1.95K$318Added$318
Fortitude Family Office, LLC964$1.83K$201Added$805
ACADIAN ASSET MANAGEMENT LLC925K$1.75K$19Added$1.66K
SUMMIT SECURITIES GROUP LLC809$1.54KNew
Tradewinds Capital Management, LLC800$1.52K$248Added$248
Cambridge Investment Research Advisors, Inc.547K$1.04K$169Added$114
GSA CAPITAL PARTNERS LLP480.7K$913$115Added$323
JONES FINANCIAL COMPANIES LLLP200$356$38Added$38
Signature Equity Partners, LLC177$336$55Added$55
CWM, LLC137$260$260Added$259
Gen-Wealth Partners Inc136$258$42Added$42
Advisory Services Network, LLC114$217New
Farther Finance Advisors, LLC100$199$40Added$40
SBI Securities Co., Ltd.92$175$29Added$29
HRT FINANCIAL LP79K$150New
GILL CAPITAL PARTNERS, LLC75$143New
Arax Advisory Partners65$116$12Added$19
Virtu Financial LLC36.6K$70New
MCGUIRE CAPITAL ADVISORS INC10$19$3Added$3
Caitong International Asset Management Co., Ltd3$6New

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.