Caribou Biosciences Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:CRBU Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
14 Mar 25	BuyUS$20,400	Rachel Haurwitz	Individual	20,000	US$1.02
21 Feb 25	SellUS$4,811	Steven Kanner	Individual	3,564	US$1.35
29 Jan 25	BuyUS$24,651	Sriram Ryali	Individual	17,360	US$1.42

Insider Trading Volume

Insider Buying: CRBU insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of CRBU?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	4,355,177	4.68%
VC/PE Firms	4,690,431	5.04%
General Public	26,073,886	28%
Institutions	57,885,108	62.2%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 58.2% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
7.06%	BlackRock, Inc.	6,564,189	US$6.2m	-9.25%	no data
5.04%	Pfizer Venture Investments LLC	4,690,431	US$4.5m	0%	0.12%
4.91%	The Vanguard Group, Inc.	4,565,445	US$4.3m	-1.14%	no data
4.17%	PFM Health Sciences, LP	3,876,462	US$3.7m	-9.99%	0.3%
3.68%	Rachel Haurwitz	3,419,070	US$3.2m	0.88%	no data
2.59%	Kynam Capital Management, LP	2,406,147	US$2.3m	2.12%	0.18%
2.42%	Morgan Stanley, Investment Banking and Brokerage Investments	2,247,999	US$2.1m	227%	no data
2.37%	JP Morgan Asset Management	2,208,594	US$2.1m	471%	no data
2.27%	Schonfeld Strategic Advisors LLC	2,113,272	US$2.0m	28.4%	0.01%
2.18%	Elmwood Wealth Management, Inc.	2,025,740	US$1.9m	-6.89%	0.86%
2.15%	Acatis Anlageberatung fur Investmentfonds GmbH	2,000,000	US$1.9m	0%	0.14%
2.12%	Geode Capital Management, LLC	1,972,395	US$1.9m	-2.86%	no data
2.1%	Bank of America Corporation, Asset Management Arm	1,951,065	US$1.9m	-55%	no data
1.86%	Dimensional Fund Advisors LP	1,732,378	US$1.6m	-15.7%	no data
1.78%	State Street Global Advisors, Inc.	1,657,561	US$1.6m	2.43%	no data
1.61%	Point72 Asset Management, L.P.	1,499,075	US$1.4m	-42.6%	no data
1.58%	Two Sigma Advisers, LP	1,470,700	US$1.4m	39.5%	no data
1.55%	Impresa Management LLC	1,442,331	US$1.4m	0%	1.21%
1.3%	Jacobs Levy Equity Management Inc	1,208,069	US$1.1m	0%	no data
1.2%	Two Sigma Investments, LP	1,118,696	US$1.1m	23.7%	no data
0.93%	Fidelity International Ltd	860,666	US$817.9k	0%	no data
0.92%	Millennium Management LLC	859,825	US$817.1k	52.9%	no data
0.82%	J. Lamarck SIM S.p.A.	761,000	US$723.2k	0%	0.83%
0.8%	Charles Schwab Investment Management, Inc.	745,726	US$708.7k	0.84%	no data
0.79%	Pale Fire Capital SE	734,204	US$697.7k	-0.1%	0.15%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/03/19 05:49
End of Day Share Price	2025/03/19 00:00
Earnings	2024/12/31
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Caribou Biosciences, Inc. is covered by 12 analysts. 9 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Alec Stranahan	BofA Global Research
Leah Rush Cann	Brookline Capital Markets
Rick Bienkowski	Cantor Fitzgerald & Co.