Integral Ad Science (IAS) Institutional Ownership $8.90 -0.06 (-0.67%) Closing price 04:00 PM EasternExtended Trading$8.90 +0.00 (+0.06%) As of 06:12 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 TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Integral Ad Science (NASDAQ:IAS)CurrentInstitutional OwnershipPercentage95.78%Number ofInstitutional Buyers(last 12 months)137TotalInstitutional Inflows(last 12 months)$234.96MNumber ofInstitutional Sellers(last 12 months)61TotalInstitutional Outflows(last 12 months)$67.42M Get IAS Insider Trade Alerts Want to know when executives and insiders are buying or selling Integral Ad Science stock? 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Skip Chart & View Institutional Buying and Selling Data IAS Institutional Buying and Selling by Quarter Integral Ad Science Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/15/2025 Tower Research Capital LLC TRC 10,158$84K0.0%+136.5%0.006% 8/15/2025 Monimus Capital Management LP665,465$5.53M4.0%+36.5%0.400% 8/15/2025 Rubric Capital Management LP2,971,951$24.70M0.4%-6.2%1.789% 8/15/2025 P2 Capital Partners LLC4,910,000$40.80M7.8%+2.1%2.955% 8/15/2025 Man Group plc117,229$974K0.0%N/A0.071% 8/15/2025 Manatuck Hill Partners LLC100,000$831K0.3%N/A0.060% 8/15/2025 Lazard Asset Management LLC25,957$215K0.0%N/A0.016% 8/15/2025 Grizzlyrock Capital LLC523,139$4.35M3.0%N/A0.315% 8/15/2025 Engineers Gate Manager LP12,811$106K0.0%-69.2%0.008% 8/15/2025 BNP Paribas Financial Markets33,165$276K0.0%+77.7%0.020% Get the Latest News and Ratings for IAS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Integral Ad Science and its competitors with MarketBeat's FREE daily newsletter. 8/15/2025 Brevan Howard Capital Management LP22,762$189K0.0%N/A0.014% 8/15/2025 Bank of America Corp DE639,093$5.31M0.0%+20.0%0.385% 8/15/2025 Ameriprise Financial Inc.1,254,049$10.42M0.0%+1,195.1%0.755% 8/14/2025 PDT Partners LLC13,586$113K0.0%-94.1%0.008% 8/14/2025 Jane Street Group LLC54,633$454K0.0%-77.8%0.033% 8/14/2025 Raymond James Financial Inc.59,310$493K0.0%-13.0%0.036% 8/14/2025 The Manufacturers Life Insurance Company 41,678$346K0.0%+3.0%0.025% 8/14/2025 Sei Investments Co.55,127$458K0.0%N/A0.033% 8/14/2025 Frontier Capital Management Co. LLC822,643$6.84M0.1%-15.0%0.495% 8/14/2025 Qube Research & Technologies Ltd183,655$1.53M0.0%-40.8%0.111% 8/14/2025 Federated Hermes Inc.30,000$249K0.0%+11.1%0.018% 8/13/2025 Jump Financial LLC19,520$162K0.0%-80.5%0.012% 8/13/2025 Marshall Wace LLP44,354$369K0.0%-61.5%0.027% 8/13/2025 Sunriver Management LLC8,822,914$73.32M7.9%+8.0%5.310% 8/13/2025 First Trust Advisors LP70,600$587K0.0%-39.3%0.042% 8/13/2025 Invesco Ltd.132,129$1.10M0.0%+32.2%0.080% 8/13/2025 Hsbc Holdings PLC97,212$802K0.0%+377.6%0.059% 8/13/2025 State Board of Administration of Florida Retirement System59,458$494K0.0%+31.2%0.036% 8/13/2025 Russell Investments Group Ltd.65,589$545K0.0%-29.0%0.039% 8/12/2025 American Century Companies Inc.132,463$1.10M0.0%+50.1%0.080% 8/12/2025 Rhumbline Advisers145,235$1.21M0.0%+42.9%0.087% 8/12/2025 CenterBook Partners LP1,716,602$14.27M0.8%+163.3%1.033% 8/12/2025 JPMorgan Chase & Co.79,024$657K0.0%+16.4%0.048% 8/11/2025 Intrust Bank NA17,353$144K0.0%N/A0.011% 8/8/2025 Intech Investment Management LLC52,308$435K0.0%-37.7%0.032% 8/8/2025 Creative Planning14,699$122K0.0%N/A0.009% 8/8/2025 SG Americas Securities LLC35,061$291K0.0%+73.3%0.021% 8/8/2025 Police & Firemen s Retirement System of New Jersey18,503$154K0.0%+25.7%0.011% 8/8/2025 Geode Capital Management LLC1,915,385$15.92M0.0%+1.4%1.161% 8/8/2025 Quinn Opportunity Partners LLC260,000$2.16M0.2%+57.6%0.158% Forget Tesla — This Tiny AI Stock Is Musk’s Real Play (Ad)While Wall Street focused on Tesla’s earnings, Elon Musk was quietly building a supercomputer so powerful it could transform warfare, robotics, and the global economy. But you don’t need to buy Tesla or wait for xAI to IPO to benefit. One overlooked public company is supplying the critical tech behind Musk’s AI push — and it trades for a fraction of Nvidia’s price. Hedge funds are already loading up, but most investors haven’t noticed yet.See the full details on this “backdoor” Musk bet here8/8/2025 Jupiter Asset Management Ltd.88,272$734K0.0%N/A0.053% 8/7/2025 Campbell & CO Investment Adviser LLC26,314$219K0.0%N/A0.016% 8/5/2025 Corton Capital Inc.12,068$100K0.1%-20.3%0.007% 8/5/2025 Bank of Montreal Can72,138$599K0.0%+39.4%0.044% 8/5/2025 Versor Investments LP56,100$466K0.1%-11.8%0.034% 8/1/2025 Teacher Retirement System of Texas13,625$113K0.0%+14.6%0.008% 8/1/2025 Envestnet Asset Management Inc.72,857$605K0.0%-13.7%0.044% 7/31/2025 MQS Management LLC15,480$129K0.1%N/A0.009% 7/31/2025 AlphaQuest LLC66,270$551K0.1%+476.9%0.040% 7/30/2025 Clune & Associates LTD.97,290$808K0.2%+30.8%0.059% 7/25/2025 CWM LLC9,019$75K0.0%+1,248.1%0.005% 7/24/2025 Aberdeen Group plc1,764,731$14.67M0.0%-11.5%1.069% 7/24/2025 Blue Trust Inc.43,831$364K0.0%+59.5%0.027% 7/21/2025 QRG Capital Management Inc.14,009$116K0.0%N/A0.008% 7/17/2025 Janney Montgomery Scott LLC101,124$840K0.0%N/A0.061% 7/7/2025 Delphi Management Inc. MA64,804$539K0.5%N/A0.039% 6/27/2025 Goldman Sachs Group Inc.389,093$3.14M0.0%-11.3%0.236% 6/18/2025 Voya Investment Management LLC47,281$381K0.0%+22.7%0.029% 5/29/2025 Rhumbline Advisers101,663$819K0.0%-5.4%0.062% 5/19/2025 Jane Street Group LLC246,429$1.99M0.0%N/A0.149% 5/16/2025 Caxton Associates LLP35,029$282K0.0%N/A0.021% 5/16/2025 Goldman Sachs Group Inc.389,093$3.14M0.0%-11.3%0.236% 5/16/2025 Repertoire Partners LP49,301$397K0.2%-82.7%0.030% 5/16/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.43,326$349K0.0%+4.4%0.026% 5/16/2025 Invenomic Capital Management LP1,649,983$13.30M0.7%+84.3%1.000% 5/16/2025 Jacobs Levy Equity Management Inc.1,378,259$11.11M0.0%-3.0%0.835% 5/16/2025 Circumference Group LLC210,000$1.69M2.1%+10.5%0.127% 5/16/2025 Corvex Management LP2,618,000$21.10M0.8%N/A1.587% 5/16/2025 Alta Fox Capital Management LLC1,214,053$9.79M3.9%+20,831.9%0.736% 5/16/2025 AQR Capital Management LLC40,689$328K0.0%-23.9%0.025% 5/15/2025 EP Wealth Advisors LLC27,681$223K0.0%N/A0.017% 5/15/2025 PDT Partners LLC228,977$1.85M0.1%+13.3%0.140% 5/15/2025 Cubist Systematic Strategies LLC923,168$7.44M0.0%N/A0.564% 5/15/2025 Royal Bank of Canada55,941$451K0.0%+219.6%0.034% 5/15/2025 Magnetar Financial LLC107,327$865K0.0%N/A0.066% 5/14/2025 Zuckerman Investment Group LLC15,000$121K0.0%N/A0.009% 5/14/2025 Sunriver Management LLC8,166,774$65.82M8.1%+12.0%4.986% 5/14/2025 Jump Financial LLC100,070$807K0.0%N/A0.061% 5/14/2025 AlphaQuest LLC11,487$93K0.0%N/A0.007% 5/14/2025 Hsbc Holdings PLC20,354$165K0.0%N/A0.012% 5/14/2025 Quantbot Technologies LP47,687$384K0.0%N/A0.029% 5/13/2025 Versor Investments LP63,600$513K0.1%+374.6%0.039% 5/13/2025 American Century Companies Inc.88,256$711K0.0%N/A0.054% 5/13/2025 Tejara Capital Ltd99,854$805K0.3%+66.4%0.061% 5/13/2025 Aberdeen Group plc1,994,980$16.08M0.0%+12.7%1.218% 5/13/2025 Fox Run Management L.L.C.79,423$640K0.1%N/A0.048% 5/13/2025 Russell Investments Group Ltd.92,428$745K0.0%-1.8%0.056% 5/12/2025 Nuveen LLC1,352,028$10.90M0.0%N/A0.825% 5/12/2025 Virtu Financial LLC10,733$87K0.0%N/A0.007% 5/12/2025 Invesco Ltd.99,932$805K0.0%+97.7%0.061% Forget Tesla — This Tiny AI Stock Is Musk’s Real Play (Ad)While Wall Street focused on Tesla’s earnings, Elon Musk was quietly building a supercomputer so powerful it could transform warfare, robotics, and the global economy. But you don’t need to buy Tesla or wait for xAI to IPO to benefit. One overlooked public company is supplying the critical tech behind Musk’s AI push — and it trades for a fraction of Nvidia’s price. Hedge funds are already loading up, but most investors haven’t noticed yet.See the full details on this “backdoor” Musk bet here5/9/2025 CenterBook Partners LP651,880$5.25M0.3%-36.0%0.398% 5/9/2025 Deutsche Bank AG525,696$4.24M0.0%-1.1%0.321% 5/9/2025 Charles Schwab Investment Management Inc.588,895$4.75M0.0%-2.5%0.360% 5/9/2025 Vanguard Group Inc.9,090,229$73.27M0.0%+0.5%5.550% 5/8/2025Jefferies Financial Group Inc.225,000$1.81M0.0%N/A0.137% 5/8/2025 XTX Topco Ltd14,845$120K0.0%-10.1%0.009% 5/8/2025 GSA Capital Partners LLP74,787$603K0.1%N/A0.046% 5/8/2025 Federated Hermes Inc.27,000$218K0.0%+35.0%0.016% 5/7/2025 Corton Capital Inc.15,147$122K0.4%N/A0.009% 5/7/2025 one8zero8 LLC187,050$1.51M0.4%+14.7%0.114% (Data available from 1/1/2016 forward) IAS Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of IAS shares? During the previous two years, 206 institutional investors and hedge funds held shares of Integral Ad Science. The most heavily invested institutionals were Sunriver Management LLC ($73.32M), Vanguard Group Inc. ($73.27M), Alyeska Investment Group L.P. ($41.54M), P2 Capital Partners LLC ($40.80M), Dimensional Fund Advisors LP ($39.57M), Lord Abbett & CO. LLC ($31.38M), and Clearbridge Investments LLC ($28.50M).Learn more on Integral Ad Science's institutional investors. What percentage of Integral Ad Science's stock is owned by institutional investors? 95.78% of Integral Ad Science's stock is owned by institutional investors. Learn more on IAS's institutional investor holdings. Which institutional investors have been buying Integral Ad Science's stock? Of the 183 institutional investors that purchased Integral Ad Science's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Alyeska Investment Group L.P. ($3.98M), Corvex Management LP ($2.62M), Vanguard Group Inc. ($2.56M), Goldman Sachs Group Inc. ($2.35M), abrdn plc ($2.00M), Sunriver Management LLC ($1.53M), and CenterBook Partners LP ($1.47M). How much institutional buying is happening at Integral Ad Science? Institutional investors have bought a total of 25,687,654 shares in the last 24 months. This purchase volume represents approximately $234.96M in transactions. Which of Integral Ad Science's major shareholders have been selling company stock? Of the 61 institutional investors that sold Integral Ad Science's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: TimesSquare Capital Management LLC ($1.05M), JPMorgan Chase & Co. ($451.20K), Algert Global LLC ($388.98K), abrdn plc ($376.83K), Jacobs Levy Equity Management Inc. ($376.76K), CenterBook Partners LP ($367.16K), and Sunriver Management LLC ($350.43K). How much institutional selling is happening at Integral Ad Science? Institutional investors have sold a total of 6,983,756 shares in the last 24 months. This volume of shares sold represents approximately $67.42M in transactions. 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