Tectonic Therapeutic (TECX) Institutional Ownership $22.20 -0.38 (-1.68%) Closing price 04:00 PM EasternExtended Trading$22.26 +0.07 (+0.29%) As of 05:47 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Tectonic Therapeutic (NASDAQ:TECX)CurrentInstitutional OwnershipPercentage62.63%Number ofInstitutional Buyers(last 12 months)53TotalInstitutional Inflows(last 12 months)$141.97MNumber ofInstitutional Sellers(last 12 months)12TotalInstitutional Outflows(last 12 months)$35.54M Get TECX Insider Trade Alerts Want to know when executives and insiders are buying or selling Tectonic Therapeutic stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data TECX Institutional Buying and Selling by Quarter Tectonic Therapeutic Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/19/2025 Jane Street Group LLC47,145$835K0.0%+58.7%0.252% 5/16/2025 Woodline Partners LP302,215$5.35M0.0%+132.3%1.618% 5/16/2025 Goldman Sachs Group Inc.104,793$1.86M0.0%+331.1%0.561% 5/16/2025 Millennium Management LLC237,938$4.21M0.0%+726.4%1.274% 5/16/2025 EcoR1 Capital LLC935,121$16.56M1.0%+10.1%5.008% 5/16/2025 Ally Bridge Group NY LLC132,222$2.34M2.1%N/A0.708% 5/16/2025 5AM Venture Management LLC511,660$9.06M3.4%-14.2%2.740% 5/16/2025 Adage Capital Partners GP L.L.C.100,000$1.77M0.0%N/A0.536% 5/16/2025 ADAR1 Capital Management LLC62,603$1.11M0.2%+6.6%0.335% 5/15/2025 Baker BROS. Advisors LP100,000$1.77M0.0%N/A0.536% Get the Latest News and Ratings for TECX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Tectonic Therapeutic and its competitors with MarketBeat's FREE daily newsletter. 5/14/2025 Jump Financial LLC21,126$374K0.0%N/A0.113% 5/14/2025 Wellington Management Group LLP19,660$348K0.0%N/A0.105% 5/14/2025 Cliffwater LLC15,369$272K0.1%N/A0.082% 5/13/2025 American Century Companies Inc.12,057$214K0.0%N/A0.065% 5/12/2025 Knott David M Jr40,000$708K0.3%N/A0.214% 5/12/2025 Connor Clark & Lunn Investment Management Ltd.34,645$614K0.0%+139.2%0.186% 5/7/2025 Windmill Hill Asset Management Ltd40,023$709K0.2%N/A0.214% 5/6/2025 Y Intercept Hong Kong Ltd13,212$234K0.0%N/A0.071% 2/27/2025Jefferies Financial Group Inc.5,400$249K0.0%N/A0.037% 2/17/2025 Woodline Partners LP130,109$6.01M0.0%+98.8%0.882% 2/17/2025 Soleus Capital Management L.P.31,841$1.47M0.1%N/A0.216% 2/17/2025 Stempoint Capital LP9,434$436K0.1%N/A0.064% 2/17/2025 Paradigm Biocapital Advisors LP485,105$22.40M0.8%N/A3.288% 2/17/2025 OMERS ADMINISTRATION Corp9,600$443K0.0%N/A0.065% 2/17/2025 Millennium Management LLC28,793$1.33M0.0%N/A0.195% 2/17/2025Jefferies Financial Group Inc.5,400$249K0.0%N/A0.037% 2/17/2025 Farallon Capital Management LLC713,050$32.92M0.2%+37.0%4.833% 2/17/2025 Fred Alger Management LLC10,057$464K0.0%N/A0.068% 2/17/2025 Bridgeway Capital Management LLC14,668$677K0.0%-28.0%0.099% 2/17/2025 Balyasny Asset Management L.P.247,000$11.40M0.0%+36.9%1.674% 2/17/2025 Ameriprise Financial Inc.7,516$347K0.0%N/A0.051% 2/17/2025 5AM Venture Management LLC596,660$27.55M6.6%-7.7%4.045% 2/17/2025 683 Capital Management LLC14,027$648K0.0%N/A0.095% 2/17/2025 Acuta Capital Partners LLC33,008$1.52M1.5%+140.9%0.224% 2/14/2025 Jane Street Group LLC29,702$1.37M0.0%N/A0.201% 2/14/2025 Schonfeld Strategic Advisors LLC17,345$801K0.0%+15.6%0.118% 2/14/2025 Northern Trust Corp14,682$678K0.0%+52.2%0.100% 2/14/2025 Artia Global Partners LP16,650$769K0.3%N/A0.113% 2/14/2025 Boothbay Fund Management LLC41,307$1.91M0.0%-45.4%0.280% 2/14/2025 Virtus ETF Advisers LLC1,533$71K0.0%N/A0.010% AI Meltdown Imminent: Dump These Stocks Now! 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And it could happen starting as soon as June 1st.Click here to see the details and learn how to prepare for the next AI revolution2/14/2025 Susquehanna International Group LLP166,452$7.69M0.0%+165.2%1.128% 2/14/2025 Dimensional Fund Advisors LP26,264$1.21M0.0%+10.1%0.178% 2/13/2025 EAM Investors LLC25,061$1.16M0.2%-4.3%0.170% 2/13/2025 Walleye Capital LLC73,517$3.39M0.0%+0.8%0.498% 2/13/2025 Barclays PLC15,974$737K0.0%+1,008.5%0.108% 2/13/2025 Raymond James Financial Inc.4,939$228K0.0%N/A0.033% 2/13/2025 Renaissance Technologies LLC48,173$2.22M0.0%-15.3%0.327% 2/13/2025 Invesco Ltd.128,178$5.92M0.0%N/A0.869% 2/13/2025 ADAR1 Capital Management LLC58,708$2.71M0.5%-53.8%0.398% 2/13/2025 Wells Fargo & Company MN18,513$855K0.0%-11.6%0.125% 2/12/2025 Aldebaran Capital LLC41,207$1.90M1.8%-1.9%0.279% 2/12/2025 Geode Capital Management LLC77,584$3.58M0.0%+0.9%0.526% 2/12/2025 JPMorgan Chase & Co.1,244$57K0.0%+5,554.5%0.008% 2/11/2025 Vanguard Group Inc.361,048$16.67M0.0%-18.5%2.448% 2/10/2025 Commonwealth Equity Services LLC5,000$231K0.0%N/A0.034% 2/10/2025 Connor Clark & Lunn Investment Management Ltd.14,485$669K0.0%+88.1%0.098% 2/6/2025 Atlas Venture Life Science Advisors LLC78,447$3.62M0.4%-79.3%0.532% 2/6/2025 Raymond James Financial Inc.4,939$228K0.0%N/A0.033% 2/6/2025 Charles Schwab Investment Management Inc.4,711$218K0.0%N/A0.032% 1/24/2025 China Universal Asset Management Co. Ltd.3,128$144K0.0%N/A0.021% 1/16/2025 Clarius Group LLC10,130$468K0.0%N/A0.069% 12/13/2024 Exome Asset Management LLC36,344$1.10M0.7%+12.2%0.246% 11/16/2024 Geode Capital Management LLC76,879$2.33M0.0%+147.7%0.521% 11/15/2024 Ikarian Capital LLC267,145$8.09M1.1%+325.1%1.811% 11/14/2024 Verition Fund Management LLC114,778$3.48M0.0%-18.4%0.779% 11/14/2024 Walleye Capital LLC72,962$2.21M0.0%+204.2%0.495% 11/14/2024 Acuta Capital Partners LLC13,700$415K0.3%N/A0.093% 11/13/2024 FMR LLC1,220,138$36.97M0.0%+13.2%8.283% 11/8/2024 Connor Clark & Lunn Investment Management Ltd.7,702$233K0.0%N/A0.052% 11/5/2024 BML Capital Management LLC211,752$6.42M3.8%-54.6%1.438% 11/1/2024 Nordwand Advisors LLC1,500$45K0.0%N/A0.010% 10/8/2024 Vida Ventures Advisors LLC1,028,674$31.17M22.5%N/A2.291% 8/15/2024 Affinity Asset Advisors LLC58,331$961K0.1%N/A0.130% 8/14/2024 Farallon Capital Management LLC431,010$7.10M0.0%N/A0.960% 8/9/2024 Renaissance Technologies LLC89,029$1.47M0.0%N/A0.198% 8/9/2024 Atlas Venture Life Science Advisors LLC378,447$6.23M0.7%N/A0.843% 8/6/2024 Acadian Asset Management LLC109,629$1.80M0.0%N/A0.244% (Data available from 1/1/2016 forward) TECX Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of TECX shares? During the previous two years, 62 institutional investors and hedge funds held shares of Tectonic Therapeutic. The most heavily invested institutionals were FMR LLC ($36.97M), Farallon Capital Management LLC ($32.92M), Vida Ventures Advisors LLC ($31.17M), Paradigm Biocapital Advisors LP ($22.40M), Vanguard Group Inc. ($16.67M), EcoR1 Capital LLC ($16.56M), and Balyasny Asset Management L.P. ($11.40M).Learn more on TECX's institutional investors. What percentage of Tectonic Therapeutic stock is owned by institutional investors? 62.63% of Tectonic Therapeutic stock is owned by institutional investors. Learn more on TECX's institutional investor holdings. Which institutional investors have been buying Tectonic Therapeutic stock? Of the 53 institutional investors that purchased Tectonic Therapeutic stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Vida Ventures Advisors LLC ($1.03M), Farallon Capital Management LLC ($623.66K), Paradigm Biocapital Advisors LP ($485.11K), Atlas Venture Life Science Advisors LLC ($378.45K), Millennium Management LLC ($237.94K), Woodline Partners LP ($236.77K), and Ikarian Capital LLC ($204.31K). How much institutional buying is happening at Tectonic Therapeutic? Institutional investors have bought a total of 4,943,108 shares in the last 24 months. This purchase volume represents approximately $141.97M in transactions. Which Tectonic Therapeutic major shareholders have been selling company stock? Of the 12 institutional investors that sold Tectonic Therapeutic stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Atlas Venture Life Science Advisors LLC ($300K), BML Capital Management LLC ($254.30K), 5AM Venture Management LLC ($134.86K), Vanguard Group Inc. ($81.77K), ADAR1 Capital Management LLC ($68.45K), Boothbay Fund Management LLC ($34.34K), and Verition Fund Management LLC ($25.90K). How much institutional selling is happening at Tectonic Therapeutic? Institutional investors have sold a total of 918,405 shares in the last 24 months. This volume of shares sold represents approximately $35.54M in transactions. 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