Sutro Biopharma Ownership

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

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of STRO?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	870,803	1.06%
Hedge Funds	7,187,495	8.72%
General Public	17,765,611	21.5%
Institutions	56,634,816	68.7%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 35.3%.

Top Shareholders

Top 25 shareholders own 64.44% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
8.72%	Suvretta Capital Management, LLC	7,187,495	US$13.5m	-6.76%	0.49%
8.51%	BlackRock, Inc.	7,016,119	US$13.2m	1.53%	no data
5.09%	The Vanguard Group, Inc.	4,195,072	US$7.9m	18%	no data
3.64%	Point72 Asset Management, L.P.	2,997,453	US$5.6m	-32.9%	0.01%
3.43%	BioImpact Capital LLC	2,832,064	US$5.3m	-6.94%	0.91%
2.73%	Adage Capital Management, L.P.	2,250,132	US$4.2m	12.5%	0.01%
2.66%	Samsara BioCapital LLC	2,196,814	US$4.1m	0%	0.55%
2.58%	Citadel Advisors LLC	2,126,655	US$4.0m	31.3%	no data
2.51%	Kynam Capital Management, LP	2,066,447	US$3.9m	2.11%	0.31%
2.46%	Millennium Management LLC	2,031,745	US$3.8m	-53.4%	no data
2.25%	Geode Capital Management, LLC	1,856,956	US$3.5m	7.65%	no data
2.23%	Eversept Partners, L.P.	1,841,989	US$3.5m	5.91%	0.28%
2.08%	Parkman Healthcare Partners LLC	1,716,132	US$3.2m	-4.27%	0.44%
2%	State Street Global Advisors, Inc.	1,647,162	US$3.1m	5.23%	no data
1.95%	Acadian Asset Management LLC	1,609,874	US$3.0m	2.22%	0.01%
1.84%	Baillie Gifford & Co.	1,519,341	US$2.9m	-17.8%	no data
1.45%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	1,196,040	US$2.2m	32.6%	no data
1.42%	Goldman Sachs Asset Management, L.P.	1,167,366	US$2.2m	30.4%	no data
1.19%	Dimensional Fund Advisors LP	980,318	US$1.8m	-9.67%	no data
1%	Renaissance Technologies LLC	828,097	US$1.6m	15.1%	no data
1%	Jacobs Levy Equity Management Inc	821,746	US$1.5m	-21.8%	0.01%
0.99%	BMO Asset Management Corp.	814,955	US$1.5m	0%	no data
0.92%	Aquilo Capital Management, LLC	762,498	US$1.4m	0%	2.06%
0.89%	Arrowstreet Capital, Limited Partnership	737,670	US$1.4m	5,300%	no data
0.89%	Millennium Group Management LLC	735,667	US$1.4m	0%	7.45%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2024/12/23 07:34
End of Day Share Price	2024/12/20 00:00
Earnings	2024/09/30
Annual Earnings	2023/12/31

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 here.

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 .

Analyst Sources

Sutro Biopharma, Inc. is covered by 15 analysts. 11 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
Zhiqiang Shu	Berenberg
Tazeen Ahmad	BofA Global Research
Thomas Shrader	BTIG