Sutro Biopharma (STRO) Institutional Ownership $30.78 -0.35 (-1.12%) As of 03:56 PM Eastern This is a fair market value price provided by Massive. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Sutro Biopharma (NASDAQ:STRO)CurrentInstitutional OwnershipPercentage96.99%Number ofInstitutional Buyers(last 12 months)29TotalInstitutional Inflows(last 12 months)$85.34MNumber ofInstitutional Sellers(last 12 months)28TotalInstitutional Outflows(last 12 months)$256.19M Get STRO Insider Trade Alerts Want to know when executives and insiders are buying or selling Sutro Biopharma stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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Skip Chart & View Institutional Buying and Selling Data STRO Institutional Buying and Selling by Quarter Sutro Biopharma Major Shareholders & Ownership History ExportReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/19/2026 Bank of America Corp DE18,873$470K0.0%+348.1%0.114% 5/19/2026 Stempoint Capital LP23,295$580K0.1%N/A0.141% 5/18/2026 ADAR1 Capital Management LLC524,441$13.06M0.8%+681.8%3.165% 5/18/2026 Eversept Partners LP73,161$1.82M0.1%-62.2%0.442% 5/16/2026 Orbimed Advisors LLC801,144$19.96M0.4%N/A4.835% 5/15/2026 OMERS ADMINISTRATION Corp8,700$217K0.0%-21.1%0.053% 5/15/2026 Affinity Asset Advisors LLC1,069,519$26.64M1.4%+42.9%6.455% 5/14/2026 Renaissance Technologies LLC97,824$2.44M0.0%-20.4%0.590% 5/5/2026 Sigma Planning Corp12,520$312K0.0%N/A0.076% 2/19/2026 Invesco Ltd.16,970$196K0.0%-87.4%0.199% Get the Latest News and Ratings for STRO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Sutro Biopharma and its competitors with MarketBeat's FREE daily newsletter. 2/18/2026 State of Tennessee Department of Treasury7,400$86K0.0%N/A0.087% 2/18/2026 Vestal Point Capital LP243,000$2.81M0.1%-90.7%2.854% 2/18/2026 Tang Capital Management LLC139,617$1.62M0.1%-95.1%1.640% 2/18/2026 Opaleye Management Inc.190,671$2.21M0.3%N/A2.239% 2/18/2026 Millennium Management LLC418,196$4.84M0.0%-90.8%4.912% 2/18/2026 Eversept Partners LP193,571$2.24M0.1%-91.6%2.274% 2/18/2026 Balyasny Asset Management L.P.230,049$2.66M0.0%N/A2.703% 2/17/2026 ADAR1 Capital Management LLC67,077$776K0.1%N/A0.788% 2/17/2026 AQR Capital Management LLC18,034$209K0.0%-94.9%0.212% 2/17/2026 Adage Capital Partners GP L.L.C.200,000$2.31M0.0%-90.0%2.350% 2/17/2026 RBF Capital LLC15,272$177K0.0%-90.0%0.179% 2/16/2026 OMERS ADMINISTRATION Corp11,023$128K0.0%-88.4%0.130% 2/16/2026 Spruce Street Capital LP75,594$875K0.3%N/A0.888% 2/13/2026 Marshall Wace LLP85,615$991K0.0%-27.7%1.006% 2/13/2026 Affinity Asset Advisors LLC748,382$8.66M0.5%-0.6%8.794% 2/13/2026 Velan Capital Investment Management LP312,000$3.61M2.1%-90.0%3.666% 2/13/2026 State Street Corp34,266$396K0.0%-90.0%0.403% 2/12/2026 Jane Street Group LLC22,945$265K0.0%N/A0.270% 2/12/2026 Renaissance Technologies LLC122,865$1.42M0.0%-91.4%1.444% 2/10/2026 Goldman Sachs Group Inc.15,669$181K0.0%-82.2%0.184% 2/10/2026 AJU IB Investment Co. Ltd.17,500$202K1.1%-90.0%0.206% 2/9/2026 Geode Capital Management LLC83,979$972K0.0%-89.8%0.987% 2/9/2026 Fisher Asset Management LLC35,305$408K0.0%-90.0%0.415% 2/6/2026 GSA Capital Partners LLP89,067$1.03M0.1%-49.1%1.047% 1/1/2026 JPMorgan Chase & Co.76,158$66K0.0%-56.1%0.895% 11/17/2025 Jacobs Levy Equity Management Inc.445,750$387K0.0%N/A0.524% 11/17/2025 Velan Capital Investment Management LP3,120,000$2.71M2.5%+2.0%3.665% 11/17/2025 Susquehanna International Group LLP103,592$90K0.0%-57.8%0.122% 11/17/2025 Qube Research & Technologies Ltd65,226$57K0.0%-43.5%0.077% 11/17/2025 Millennium Management LLC4,524,350$3.93M0.0%-4.4%5.314% Your book is inside (Ad)The "Sucker's Bet" Most New Options Traders Fall For Most people who try options lose money the same way. They don't know the rules. They don't know what to avoid. And they hand their account to Wall Street on a silver platter. Normally $29.97. Free today.Download your copy now.11/17/2025 Bank of America Corp DE119,434$104K0.0%+51.3%0.140% 11/14/2025 Shay Capital LLC312,051$271K0.0%+20.1%0.367% 11/14/2025 Two Sigma Investments LP396,785$345K0.0%+244.8%0.466% 11/14/2025 Bridgeway Capital Management LLC42,900$37K0.0%+232.6%0.050% 11/13/2025 UBS Group AG1,845,839$1.60M0.0%+14.0%2.168% 11/12/2025 Dimensional Fund Advisors LP197,516$172K0.0%-68.6%0.232% 11/7/2025 GSA Capital Partners LLP174,843$152K0.0%N/A0.206% 11/7/2025Vanguard Group Inc.3,682,986$3.20M0.0%-10.5%4.345% 11/7/2025 JPMorgan Chase & Co.76,158$66K0.0%-56.1%0.090% 11/5/2025 Savant Capital LLC37,713$33K0.0%-28.1%0.044% 8/15/2025 Shay Capital LLC259,889$186K0.0%+26.4%0.307% 8/15/2025 Bank of America Corp DE78,946$56K0.0%-27.6%0.093% 8/14/2025 Jane Street Group LLC688,850$492K0.0%N/A0.813% 8/14/2025 RBF Capital LLC160,000$114K0.0%N/A0.189% 8/14/2025 Velan Capital Investment Management LP3,060,000$2.19M2.2%+197.1%3.610% 8/14/2025 Qube Research & Technologies Ltd115,401$82K0.0%N/A0.136% 8/14/2025 Cerity Partners LLC105,437$75K0.0%+169.9%0.124% 8/13/2025 Marshall Wace LLP234,431$166K0.0%N/A0.277% 8/12/2025 Prudential Financial Inc.35,500$25K0.0%-94.1%0.042% 8/12/2025 JPMorgan Chase & Co.173,477$124K0.0%-42.4%0.205% 8/12/2025 Catalyst Funds Management Pty Ltd38,500$27K0.0%N/A0.045% 8/8/2025 Geode Capital Management LLC816,915$583K0.0%-56.8%0.967% 8/7/2025 Acadian Asset Management LLC3,042,238$2.17M0.0%-2.9%3.602% 8/6/2025 Savant Capital LLC52,416$37K0.0%N/A0.062% 8/1/2025 Y Intercept Hong Kong Ltd66,591$48K0.0%N/A0.079% 7/25/2025 CWM LLC56,657$40K0.0%+73.2%0.067% 7/25/2025 Vanguard Personalized Indexing Management LLC60,617$43K0.0%+174.8%0.072% 5/28/2025Strs Ohio152,800$99K0.0%N/A0.181% 5/21/2025Acadian Asset Management LLC3,134,586$2.04M0.0%+78.9%3.711% 5/16/2025AQR Capital Management LLC1,320,917$859K0.0%+1,052.8%1.566% 5/15/2025Vestal Point Capital LP2,600,000$1.69M0.1%+1.2%3.082% 5/15/2025RA Capital Management L.P.4,434,637$2.89M0.0%N/A5.257% 5/15/2025Velan Capital Investment Management LP1,030,000$670K0.7%+3,333.3%1.221% 5/15/2025State of Wyoming94,932$62K0.0%N/A0.113% 5/14/2025Affinity Asset Advisors LLC752,722$490K0.0%N/A0.892% 5/12/2025Nuveen LLC290,897$189K0.0%N/A0.345% 5/12/2025Invesco Ltd.92,139$60K0.0%+137.8%0.109% 5/9/2025Charles Schwab Investment Management Inc.199,901$130K0.0%-20.7%0.237% 4/30/2025Cerity Partners LLC39,065$25K0.0%N/A0.046% 4/28/2025Vontobel Holding Ltd.50,000$33K0.0%+100.0%0.059% 4/17/2025Exchange Traded Concepts LLC136,623$89K0.0%+201.9%0.166% 2/17/2025Velan Capital Investment Management LP30,000$55K0.0%N/A0.036% 2/17/2025Vestal Point Capital LP2,570,000$4.73M0.3%N/A3.117% 2/17/2025Two Sigma Investments LP316,292$582K0.0%-35.7%0.384% 2/17/2025Two Sigma Advisers LP547,800$1.01M0.0%-7.3%0.664% 2/17/2025Suvretta Capital Management LLC7,462,495$13.73M0.5%+3.8%9.050% 2/17/2025Shay Capital LLC203,601$375K0.1%N/A0.247% 2/17/2025Sherbrooke Park Advisers LLC33,640$62K0.0%-73.9%0.041% 2/17/2025Point72 Asset Management L.P.2,197,538$4.04M0.0%-26.7%2.665% 2/17/2025ProShare Advisors LLC26,961$50K0.0%+74.3%0.033% Louis Navellier: My #1 AI stock for 2026 (name & ticker inside) (Ad)Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top S&P 500 stock for 12 years running—and today, he's giving away his #1 AI stock pick for 2026, free. This company's sales are up 28% year over year, it holds over 30,000 patents in wireless and video technology, and it just earned an A-rating in his proprietary Stock Grader system that has cost him $9 million to build and maintain.Get the name and ticker of Louis Navellier's #1 AI stock free2/17/2025MPM Bioimpact LLC2,160,062$3.98M0.6%-23.7%2.620% 2/17/2025Parkman Healthcare Partners LLC1,727,925$3.18M0.4%+0.7%2.095% 2/17/2025Man Group plc132,406$244K0.0%-19.2%0.161% 2/17/2025Nuveen Asset Management LLC1,323,777$2.44M0.0%+10.3%1.605% 2/17/2025OMERS ADMINISTRATION Corp95,150$175K0.0%-50.0%0.115% 2/17/2025OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC300,621$553K0.0%-11.1%0.365% 2/17/2025Millennium Management LLC405,618$746K0.0%-80.0%0.492% 2/17/2025Jacobs Levy Equity Management Inc.859,373$1.58M0.0%+4.6%1.042% 2/17/2025D. E. Shaw & Co. Inc.157,683$290K0.0%-5.9%0.191% 2/17/2025DAFNA Capital Management LLC437,079$804K0.2%+32.6%0.530% STRO Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of STRO shares? During the previous two years, 99 institutional investors and hedge funds held shares of Sutro Biopharma. The most heavily invested institutionals were Affinity Asset Advisors LLC ($26.64M), Orbimed Advisors LLC ($19.96M), Suvretta Capital Management LLC ($13.73M), ADAR1 Capital Management LLC ($13.06M), Millennium Management LLC ($4.84M), Point72 Asset Management L.P. ($4.04M), and MPM Bioimpact LLC ($3.98M).Learn more on Sutro Biopharma's institutional investors. What percentage of Sutro Biopharma's stock is owned by institutional investors? 96.99% of Sutro Biopharma's stock is owned by institutional investors. Learn more on STRO's institutional investor holdings. Which institutional investors have been buying Sutro Biopharma's stock? Of the 74 institutional investors that purchased Sutro Biopharma's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: RA Capital Management L.P. ($4.43M), Point72 Asset Management L.P. ($4.19M), Velan Capital Investment Management LP ($3.12M), Vestal Point Capital LP ($2.60M), Acadian Asset Management LLC ($1.75M), AQR Capital Management LLC ($1.45M), and Affinity Asset Advisors LLC ($1.07M). How much institutional buying is happening at Sutro Biopharma? Institutional investors have bought a total of 7,257,904 shares in the last 24 months. This purchase volume represents approximately $85.34M in transactions. Which of Sutro Biopharma's major shareholders have been selling company stock? Of the 28 institutional investors that sold Sutro Biopharma's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Millennium Management LLC ($4.31M), Velan Capital Investment Management LP ($2.81M), Tang Capital Management LLC ($2.69M), Vestal Point Capital LP ($2.36M), Eversept Partners LP ($2.22M), Geode Capital Management LLC ($1.81M), and Adage Capital Partners GP L.L.C. ($1.80M). How much institutional selling is happening at Sutro Biopharma? Institutional investors have sold a total of 23,063,634 shares in the last 24 months. This volume of shares sold represents approximately $256.19M in transactions. Related Companies Disc Medicine Major Shareholders Enliven Therapeutics Major Shareholders Nanobiotix Major Shareholders IDEAYA Biosciences Major Shareholders Ultragenyx Pharmaceutical Major Shareholders Immunome Major Shareholders Relay Therapeutics Major Shareholders Zai Lab Major Shareholders Kodiak Sciences Major Shareholders Mineralys Therapeutics Major Shareholders This page (NASDAQ:STRO) was last updated on 5/21/2026 by MarketBeat.com Staff. 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