NASDAQ: STRO
Sutro Biopharma Inc Stock Ownership - Who owns Sutro Biopharma?

Insider buying vs selling

Have Sutro Biopharma Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
David PaulingChief Admin. Ofcr. GC2025-10-1512,504$0.80
$9.99kBuy
Hanspeter GerberCHIEF SCIENTIFIC OFFICER2025-10-1517,000$0.80
$13.60kBuy
Jane ChungChief Executive Officer2025-10-1512,500$0.80
$10.01kBuy
Connie MatsuiDirector2025-10-1550,000$0.80
$39.95kBuy
Gregory K. ChowCFO2025-10-1519,750$0.81
$16.00kBuy
Hanspeter GerberCHIEF SCIENTIFIC OFFICER2025-09-1813,417$0.90
$12.08kSell
Jane ChungChief Executive Officer2025-08-096,708$0.80
$5.37kSell
Barbara LeymanChief Business Officer2025-07-088,944$0.78
$6.98kSell
Edward C. AlbiniCFO AND SECRETARY2025-05-1515,995$0.88
$14.08kSell
Anne Elizabeth BorgmanCHIEF MEDICAL OFFICER2025-05-0124,709$1.07
$26.44kSell

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Net Insider Buy/Sell (L12M) Ownership

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STRO Shareholders

What type of owners hold Sutro Biopharma Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Suvretta Capital Management LLC76.21%6,488,324$56.19MInstitution
Kynam Capital Management LP59.76%5,088,099$44.06MInstitution
Millennium Management LLC53.14%4,524,350$39.18MInstitution
Vanguard Group Inc43.26%3,682,986$31.89MInstitution
Acadian Asset Management LLC39.81%3,389,322$29.35MInstitution
Velan Capital Investment Management LP36.65%3,120,000$27.02MInstitution
Tang Capital Management LLC33.23%2,828,717$24.50MInstitution
Merck Co Inc31.99%2,723,509$23.59MInsider
Merck Co Inc31.99%2,723,509$23.59MInstitution
Vestal Point Capital LP30.54%2,600,000$22.52MInstitution

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STRO vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
STRO77.49%22.51%Net SellingNet Buying
RVPH8.25%9.28%
OKYO0.46%99.54%
IFRX27.40%0.00%
PPBT0.01%0.00%

Sutro Biopharma Stock Ownership FAQ

Who owns Sutro Biopharma?

Sutro Biopharma (NASDAQ: STRO) is owned by 627.03% institutional shareholders, 182.12% Sutro Biopharma insiders, and 0.00% retail investors. Merck Co Inc is the largest individual Sutro Biopharma shareholder, owning 2.72M shares representing 31.99% of the company. Merck Co Inc's Sutro Biopharma shares are currently valued at $23.14M.

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