So-Young International (SY) Institutional Ownership $3.63 -0.16 (-4.22%) Closing price 09/3/2025 04:00 PM EasternExtended Trading$3.67 +0.04 (+1.07%) As of 09/3/2025 05:39 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 ForecastsChartCompetitorsDividendEarningsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for So-Young International (NASDAQ:SY)CurrentInstitutional OwnershipPercentage35.31%Number ofInstitutional Buyers(last 12 months)2TotalInstitutional Inflows(last 12 months)$441.50KNumber ofInstitutional Sellers(last 12 months)4TotalInstitutional Outflows(last 12 months)$980.94K Get SY Insider Trade Alerts Want to know when executives and insiders are buying or selling So-Young International stock? 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Skip Chart & View Institutional Buying and Selling Data SY Institutional Buying and Selling by Quarter So-Young International Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/14/2025 Jane Street Group LLC12,435$39K0.0%-65.9%0.012% 8/12/2025 XTX Topco Ltd36,306$113K0.0%N/A0.036% 7/18/2025 EWA LLC13,741$43K0.0%-27.3%0.014% 5/19/2025 Jane Street Group LLC36,419$30K0.0%+264.2%0.036% 2/13/2025 Renaissance Technologies LLC596,028$495K0.0%-3.2%0.505% 11/14/2024 Walleye Capital LLC38,915$36K0.0%-54.1%0.038% 8/9/2024 Dimensional Fund Advisors LP70,575$75K0.0%-18.2%0.068% 2/14/2024 Superstring Capital Management LP796,059$1.00M0.7%N/A0.748% 10/13/2023 SG Americas Securities LLC149,224$154K0.0%+70.8%0.140% 9/8/2023Tucker Asset Management LLC15,296$28K0.0%N/A0.014% Get the Latest News and Ratings for SY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for So-Young International and its competitors with MarketBeat's FREE daily newsletter. 8/17/2023 First Beijing Investment Ltd513,222$944K0.3%N/A0.482% 8/7/2023 Acadian Asset Management LLC401,008$736K0.0%+79.2%0.377% 7/27/2023 Virtu Financial LLC17,322$32K0.0%N/A0.016% 7/10/2023 SG Americas Securities LLC87,366$161K0.0%+22.4%0.083% 5/11/2023 Acadian Asset Management LLC223,741$480K0.0%N/A0.212% 4/28/2023 SG Americas Securities LLC71,375$153K0.0%N/A0.068% 11/16/2022 Maven Securities LTD104,401$75K0.0%-82.5%0.099% 11/14/2022 Maven Securities LTD104,401$75K0.0%-82.5%0.099% 11/3/2022 Barclays PLC922,917$665K0.0%-3.3%0.876% 8/1/2022Matrix China Management III L.P.15,405,068$13.20M25.1%N/A14.515% 5/16/2022 Oasis Management Co Ltd.4,420,424$8.75M1.4%-21.8%4.165% 5/16/2022 Maven Securities LTD231,440$458K0.0%+155.6%0.218% 2/15/2022 Oasis Management Co Ltd.5,655,395$18.04M3.1%N/A5.329% 2/14/2022 Maven Securities LTD90,552$289K0.0%N/A0.085% 2/10/2022 Prescott Group Capital Management L.L.C.40,189$128K0.0%N/A0.038% 11/16/2021 Two Sigma Investments LP236,580$1.01M0.0%N/A0.218% 11/16/2021 Wellington Management Group LLP57,559$245K0.0%N/A0.053% 11/15/2021 Marshall Wace LLP396,027$1.69M0.0%-16.4%0.365% 11/15/2021MARSHALL WACE ASIA Ltd90,288$385K0.0%N/A0.083% 11/15/2021 First Manhattan Co.2,900,269$12.36M0.0%-0.8%2.673% 11/15/2021 Penserra Capital Management LLC110,568$469K0.0%-18.5%0.102% 11/12/2021 Trexquant Investment LP17,490$75K0.0%N/A0.016% 11/12/2021 Renaissance Technologies LLC266,966$1.14M0.0%-4.3%0.246% 11/12/2021 Arrowstreet Capital Limited Partnership153,100$652K0.0%N/A0.141% 11/10/2021 Goldman Sachs Group Inc.1,227,890$5.23M0.0%-14.1%1.132% 11/10/2021 California Public Employees Retirement System77,625$331K0.0%+39.0%0.072% 11/10/2021 Citigroup Inc.177,169$755K0.0%-4.2%0.163% 11/9/2021 Barclays PLC174,217$742K0.0%+40.4%0.161% 11/9/2021BlackRock Inc.420,645$1.79M0.0%+74.2%0.388% 11/8/2021 Duality Advisers LP119,716$510K0.0%N/A0.110% Trump set to Boost Social Security Checks by 400%? 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Ltd.174,600$744K0.0%+1,056.3%0.161% 10/21/2021 Kestra Private Wealth Services LLC13,627$58K0.0%-79.0%0.013% 9/1/2021Elephas Investment Management Ltd151,000$1.45M0.4%N/A0.139% 8/25/2021 Marshall Wace LLP473,750$4.55M0.0%-8.4%0.437% 8/17/2021 Millennium Management LLC678,584$6.52M0.0%+2,608.2%0.625% 8/16/2021 Bank of America Corp DE553,547$5.32M0.0%-3.8%0.510% 8/16/2021 State Street Corp357,877$3.44M0.0%-3.1%0.330% 8/16/2021Nuveen Asset Management LLC339,606$3.26M0.0%+1.0%0.313% 8/16/2021 Goldman Sachs Group Inc.1,429,828$13.74M0.0%+0.8%1.318% 8/16/2021 Marshall Wace LLP473,750$4.55M0.0%-8.4%0.437% 8/13/2021 Renaissance Technologies LLC279,100$2.68M0.0%-16.7%0.257% 8/13/2021 California Public Employees Retirement System55,836$537K0.0%-46.4%0.051% 8/13/2021 Greenwoods Asset Management Hong Kong Ltd.1,247,483$11.99M0.4%-47.8%1.150% 8/13/2021 Vanguard Group Inc.1,261,998$12.13M0.0%-2.5%1.163% 8/12/2021 Penserra Capital Management LLC135,648$1.30M0.0%-13.3%0.125% 8/12/2021 JPMorgan Chase & Co.117,182$1.13M0.0%+39.2%0.108% 8/11/2021BlackRock Inc.241,404$2.32M0.0%+8.1%0.222% 8/10/2021 Citigroup Inc.184,854$1.78M0.0%-26.5%0.170% (Data available from 1/1/2016 forward) SY Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of SY shares? During the previous two years, 9 institutional investors and hedge funds held shares of So-Young International. The most heavily invested institutionals were Superstring Capital Management LP ($1.00M), Renaissance Technologies LLC ($495K), SG Americas Securities LLC ($154K), XTX Topco Ltd ($113K), Dimensional Fund Advisors LP ($75K), EWA LLC ($43K), and Jane Street Group LLC ($39K).Learn more on So-Young International's institutional investors. What percentage of So-Young International's stock is owned by institutional investors? 35.31% of So-Young International's stock is owned by institutional investors. Learn more on SY's institutional investor holdings. Which institutional investors have been buying So-Young International's stock? The following institutional investors have purchased So-Young International's stock in the last 24 months: Superstring Capital Management LP ($796.06K), SG Americas Securities LLC ($61.86K), XTX Topco Ltd ($36.31K), Jane Street Group LLC ($26.42K), and Tucker Asset Management LLC ($15.30K). How much institutional buying is happening at So-Young International? Institutional investors have bought a total of 62,725 shares in the last 24 months. This purchase volume represents approximately $441.50K in transactions. Which of So-Young International's major shareholders have been selling company stock? The following institutional investors have sold So-Young International stock in the last 24 months: Walleye Capital LLC ($45.94K), Jane Street Group LLC ($23.98K), Renaissance Technologies LLC ($19.50K), and EWA LLC ($5.17K). How much institutional selling is happening at So-Young International? Institutional investors have sold a total of 94,593 shares in the last 24 months. This volume of shares sold represents approximately $980.94K in transactions. Related Companies WLDN Institutional Ownership GDRX Institutional Ownership FLYW Institutional Ownership TASK Institutional Ownership DFIN Institutional Ownership NVEE Institutional Ownership GB Institutional Ownership STGW Institutional Ownership UPBD Institutional Ownership PLTK Institutional Ownership This page (NASDAQ:SY) was last updated on 9/4/2025 by MarketBeat.com Staff From Our PartnersCrypto Income (almost instantly)How would you like to collect a small percentage of the $4 billion changing hands daily in the crypto market? ...Awesomely, LLC | SponsoredRetire Comfortably with These New Monthly Income ETFs?Too many retirees lie awake at night, worried their savings won’t last. Traditional advice and tiny returns ju...Investors Alley | SponsoredThis Massive Market is Ripe for Disruption by this NasdaqFanatics Hit $31B. 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