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Sutro Biopharma Inc

STRO
15.520USD
+0.920+6.30%
Close 02/06, 16:00ETQuotes delayed by 15 min
132.08MMarket Cap
LossP/E TTM

Sutro Biopharma Inc

15.520
+0.920+6.30%

More Details of Sutro Biopharma Inc Company

Sutro Biopharma, Inc. is an oncology company engaged in developing site-specific and novel-format antibody drug conjugates (ADCs), enabled by its proprietary integrated cell-free protein synthesis platform, XpressCF, and its site-specific conjugation platform, XpressCF+. It designs and develops therapeutics using the relevant and potent modalities, including ADCs, bispecific ADCs, immunostimulatory ADCs, and dual conjugate ADCs. Enabled through its XpressCF and XpressCF+ platforms, it has entered multi-target, product-focused collaborations with pharmaceutical and biotechnology companies in the field of oncology, with its ongoing relationships that include licensing to Ipsen, on an exclusive basis, the right to research, develop, manufacture and commercialize STRO-003. STRO-003 is developed for the treatment of solid tumors. Its XpressCF and XpressCF platforms supports Vaxcyte, focused on discovery and development of vaccines for the treatment and prophylaxis of infectious disease.

Sutro Biopharma Inc Info

Ticker SymbolSTRO
Company nameSutro Biopharma Inc
IPO dateSep 27, 2018
CEOChung (Jane)
Number of employees310
Security typeOrdinary Share
Fiscal year-endSep 27
Address111 Oyster Point Blvd.
CitySOUTH SAN FRANCISCO
Stock exchangeNASDAQ OMX - NASDAQ BASIC
CountryUnited States of America
Postal code94080
Phone16503928412
Websitehttps://www.sutrobio.com/
Ticker SymbolSTRO
IPO dateSep 27, 2018
CEOChung (Jane)

Company Executives of Sutro Biopharma Inc

Name
Name/Position
Position
Shareholding
Change
Ms. Connie L. Matsui
Ms. Connie L. Matsui
Independent Chairman of the Board
Independent Chairman of the Board
16.62K
+5000.00%
Ms. Jane Chung
Ms. Jane Chung
President, Chief Executive Officer, Director
President, Chief Executive Officer, Director
13.89K
+1606.00%
Dr. Venkatesh Srinivasan, Ph.D.
Dr. Venkatesh Srinivasan, Ph.D.
Chief Technical Operations Officer
Chief Technical Operations Officer
5.37K
+161.00%
Mr. Daniel Hunter Petree
Mr. Daniel Hunter Petree
Independent Director
Independent Director
2.25K
--
Dr. Barbara Leyman, Ph.D.
Dr. Barbara Leyman, Ph.D.
Chief Business Development Officer
Chief Business Development Officer
1.61K
+1606.00%
Dr. Michael (Mike) Dybbs, Ph.D.
Dr. Michael (Mike) Dybbs, Ph.D.
Independent Director
Independent Director
--
--
Mr. Joseph M. Lobacki
Mr. Joseph M. Lobacki
Independent Director
Independent Director
--
--
Mr. James P. (Jim) Panek
Mr. James P. (Jim) Panek
Independent Director
Independent Director
--
--
Dr. Jon Marc Wigginton, M.D.
Dr. Jon Marc Wigginton, M.D.
Independent Director
Independent Director
--
--
Ms. Heidi Hunter
Ms. Heidi Hunter
Independent Director
Independent Director
--
--
View more
Name
Name/Position
Position
Shareholding
Change
Ms. Connie L. Matsui
Ms. Connie L. Matsui
Independent Chairman of the Board
Independent Chairman of the Board
16.62K
+5000.00%
Ms. Jane Chung
Ms. Jane Chung
President, Chief Executive Officer, Director
President, Chief Executive Officer, Director
13.89K
+1606.00%
Dr. Venkatesh Srinivasan, Ph.D.
Dr. Venkatesh Srinivasan, Ph.D.
Chief Technical Operations Officer
Chief Technical Operations Officer
5.37K
+161.00%
Mr. Daniel Hunter Petree
Mr. Daniel Hunter Petree
Independent Director
Independent Director
2.25K
--
Dr. Barbara Leyman, Ph.D.
Dr. Barbara Leyman, Ph.D.
Chief Business Development Officer
Chief Business Development Officer
1.61K
+1606.00%
Dr. Michael (Mike) Dybbs, Ph.D.
Dr. Michael (Mike) Dybbs, Ph.D.
Independent Director
Independent Director
--
--

Revenue Breakdown

Relevant data have not been disclosed by the company yet.
Relevant data have not been disclosed by the company yet.
By Business
By Region
Relevant data have not been disclosed by the company yet.

Shareholding Stats

Updated: 9 hours ago
Updated: 9 hours ago
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Affinity Asset Advisors LLC
8.78%
Suvretta Capital Management, LLC
7.62%
Kynam Capital Management LP
5.97%
Millennium Management LLC
5.31%
The Vanguard Group, Inc.
4.41%
Other
67.91%
Shareholders
Shareholders
Proportion
Affinity Asset Advisors LLC
8.78%
Suvretta Capital Management, LLC
7.62%
Kynam Capital Management LP
5.97%
Millennium Management LLC
5.31%
The Vanguard Group, Inc.
4.41%
Other
67.91%
Shareholder Types
Shareholders
Proportion
Hedge Fund
40.79%
Investment Advisor/Hedge Fund
14.40%
Investment Advisor
7.77%
Corporation
3.20%
Venture Capital
2.81%
Individual Investor
1.50%
Research Firm
0.69%
Pension Fund
0.11%
Family Office
0.07%
Other
28.66%

Institutional Shareholding

Updated: Thu, Jan 1
Updated: Thu, Jan 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2025Q4
282
5.62M
65.92%
-3.04M
2025Q3
285
52.62M
61.82%
-30.92M
2025Q2
293
65.52M
77.57%
-18.74M
2025Q1
295
63.49M
75.19%
-18.52M
2024Q4
299
65.68M
79.84%
-13.78M
2024Q3
295
64.44M
78.61%
-17.80M
2024Q2
286
64.98M
79.66%
-15.82M
2024Q1
291
55.64M
88.75%
-15.66M
2023Q4
302
58.38M
95.62%
-12.57M
2023Q3
306
61.36M
101.61%
-9.98M
View more

Shareholder Activity

Name
Shares Held
Proportion
Change
Chg %
Date
Affinity Asset Advisors LLC
658.38K
7.73%
+583.11K
+774.66%
Oct 16, 2025
Suvretta Capital Management, LLC
648.83K
7.62%
--
--
Sep 30, 2025
Kynam Capital Management LP
508.81K
5.97%
--
--
Sep 30, 2025
Millennium Management LLC
452.44K
5.31%
-20.79K
-4.39%
Sep 30, 2025
The Vanguard Group, Inc.
368.30K
4.32%
-43.23K
-10.50%
Sep 30, 2025
Acadian Asset Management LLC
338.93K
3.98%
+34.71K
+11.41%
Sep 30, 2025
Velan Capital Investment Management LP
312.00K
3.66%
+6.00K
+1.96%
Sep 30, 2025
Tang Capital Management, LLC
282.87K
3.32%
+26.71K
+10.43%
Sep 30, 2025
Merck & Co Inc
272.35K
3.2%
--
--
Sep 30, 2025
Vestal Point Capital, LP
260.00K
3.05%
--
--
Sep 30, 2025
View more

Related ETFs

Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
iShares Micro-Cap ETF
0.02%
ProShares Ultra Nasdaq Biotechnology
0.01%
Invesco Nasdaq Biotechnology ETF
0.01%
iShares Biotechnology ETF
0.01%
Global X Russell 2000 ETF
0%
iShares Russell 2000 ETF
0%
ProShares UltraPro Russell2000
0%
iShares US Small-Cap Equity Factor ETF
0%
Global X Russell 2000 Covered Call ETF
0%
Avantis US Small Cap Equity ETF
0%
View more
iShares Micro-Cap ETF
Proportion0.02%
ProShares Ultra Nasdaq Biotechnology
Proportion0.01%
Invesco Nasdaq Biotechnology ETF
Proportion0.01%
iShares Biotechnology ETF
Proportion0.01%
Global X Russell 2000 ETF
Proportion0%
iShares Russell 2000 ETF
Proportion0%
ProShares UltraPro Russell2000
Proportion0%
iShares US Small-Cap Equity Factor ETF
Proportion0%
Global X Russell 2000 Covered Call ETF
Proportion0%
Avantis US Small Cap Equity ETF
Proportion0%

Dividend

A total of 0.00 USD has been distributed in dividends over the past 5 years.
Date
Dividend
Record Date
Payment Date
Ex-dividend Date
No Data

Stock Splits

Date
Ex-dividend Date
Type
Ratio
No Data
Date
Ex-dividend Date
Type
Ratio
No Data
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