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Sutro Biopharma Inc

STRO
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38.970USD
+0.550+1.43%
Close 05/15, 16:00ETQuotes delayed by 15 min
645.75MMarket Cap
LossP/E TTM

Sutro Biopharma Inc

38.970
+0.550+1.43%

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. Jane Chung
Ms. Jane Chung
President, Chief Executive Officer, Director
President, Chief Executive Officer, Director
21.54K
+35.50%
Dr. Venkatesh Srinivasan, Ph.D.
Dr. Venkatesh Srinivasan, Ph.D.
Chief Technical Operations Officer
Chief Technical Operations Officer
5.37K
+3.00%
Ms. Connie L. Matsui
Ms. Connie L. Matsui
Independent Chairman of the Board
Independent Chairman of the Board
5.00K
-232.48%
Mr. Daniel Hunter Petree
Mr. Daniel Hunter Petree
Independent Director
Independent Director
2.25K
-0.04%
Dr. Barbara Leyman, Ph.D.
Dr. Barbara Leyman, Ph.D.
Chief Business Development Officer
Chief Business Development Officer
1.61K
--
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. Jane Chung
Ms. Jane Chung
President, Chief Executive Officer, Director
President, Chief Executive Officer, Director
21.54K
+35.50%
Dr. Venkatesh Srinivasan, Ph.D.
Dr. Venkatesh Srinivasan, Ph.D.
Chief Technical Operations Officer
Chief Technical Operations Officer
5.37K
+3.00%
Ms. Connie L. Matsui
Ms. Connie L. Matsui
Independent Chairman of the Board
Independent Chairman of the Board
5.00K
-232.48%
Mr. Daniel Hunter Petree
Mr. Daniel Hunter Petree
Independent Director
Independent Director
2.25K
-0.04%
Dr. Barbara Leyman, Ph.D.
Dr. Barbara Leyman, Ph.D.
Chief Business Development Officer
Chief Business Development Officer
1.61K
--
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: Sun, May 10
Updated: Sun, May 10
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
BVF Partners L.P.
7.56%
Perceptive Advisors LLC
5.42%
Affinity Asset Advisors LLC
4.52%
Vanguard Capital Management, LLC
4.35%
Kynam Capital Management LP
2.89%
Other
75.26%
Shareholders
Shareholders
Proportion
BVF Partners L.P.
7.56%
Perceptive Advisors LLC
5.42%
Affinity Asset Advisors LLC
4.52%
Vanguard Capital Management, LLC
4.35%
Kynam Capital Management LP
2.89%
Other
75.26%
Shareholder Types
Shareholders
Proportion
Hedge Fund
25.62%
Investment Advisor
8.79%
Investment Advisor/Hedge Fund
7.27%
Private Equity
5.42%
Corporation
1.64%
Venture Capital
1.34%
Individual Investor
0.69%
Research Firm
0.37%
Pension Fund
0.11%
Other
48.75%

Institutional Shareholding

Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
276
7.58M
45.76%
+217.88K
2025Q4
282
5.69M
66.76%
-2.99M
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
View more

Shareholder Activity

Name
Shares Held
Proportion
Change
Chg %
Date
BVF Partners L.P.
1.25M
7.56%
+1.25M
--
Feb 18, 2026
Affinity Asset Advisors LLC
748.38K
4.52%
--
--
Jan 22, 2026
Kynam Capital Management LP
479.59K
2.89%
-29.22K
-5.74%
Dec 31, 2025
Acadian Asset Management LLC
337.95K
2.04%
-979.00
-0.29%
Dec 31, 2025
Velan Capital Investment Management LP
312.00K
1.88%
--
--
Dec 31, 2025
Merck & Co Inc
272.35K
1.64%
--
--
Dec 31, 2025
Vestal Point Capital, LP
243.00K
1.47%
-17.00K
-6.54%
Dec 31, 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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