Institutional shares held 62.4 Million
77.1K calls
31.4K puts
Total value of holdings $168M
$208K calls
$84K puts
Market Cap $139M
52,161,500 Shares Out.
Institutional ownership 119.63%
# of Institutions 136


Latest Institutional Activity in STRO

Top Purchases

Q3 2024
Bank Of Montreal Shares Held: 815K ($2.18M)
Q3 2024
Arrowstreet Capital, Limited Partnership Shares Held: 738K ($1.97M)
Q3 2024
Goldman Sachs Group Inc Shares Held: 1.75M ($4.66M)
Q3 2024
Vanguard Group Inc Shares Held: 4.2M ($11.2M)
Q3 2024
Citadel Advisors LLC Shares Held: 2.13M ($5.68M)

Top Sells

Q3 2024
Millennium Management LLC Shares Held: 2.03M ($5.42M)
Q3 2024
Point72 Asset Management, L.P. Shares Held: 3M ($8M)
Q3 2024
Panagora Asset Management Inc Shares Held: 245K ($654K)
Q3 2024
Suvretta Capital Management, LLC Shares Held: 7.19M ($19.2M)
Q3 2024
Schonfeld Strategic Advisors LLC Shares Held: 284K ($757K)

About STRO

Sutro Biopharma, Inc. operates as clinical stage drug discovery, development, and manufacturing company. It focuses on creating protein therapeutics for cancer and autoimmune disorders through integrated cell-free protein synthesis and site-specific conjugation platform, XpressCF+.The company's product candidates include STRO-001, an antibody-drug conjugate (ADC) directed against the cancer target CD74 for patients with multiple myeloma and non-Hodgkin lymphoma that is in Phase 1 clinical trials; and STRO-002, an ADC directed against folate receptor-alpha for patients with ovarian and endometrial cancers, which is in Phase 1 clinical trials. It has collaboration and license agreements with Merck Collaboration to develop research programs focusing on cytokine derivatives for cancer and autoimmune disorders; and Celgene Corporation to discover and develop bispecific antibodies and/or ADCs focused on the field of immuno-oncology. The company was formerly known as Fundamental Applied Biology, Inc. Sutro Biopharma, Inc. was incorporated in 2003 and is headquartered in South San Francisco, California.


Insider Transactions at STRO

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
291K Shares
From 8 Insiders
Exercise of conversion of derivative security 291K shares
Sell / Disposition
118K Shares
From 9 Insiders
Payment of exercise price or tax liability 106K shares
Open market or private sale 12.2K shares

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