Free Trial
→ Elon Musk’s $1 Quadrillion AI IPO (From Brownstone Research) (Ad)tc pixel Free IAS Stock Alerts

This company has been marked as potentially delisted and may not be actively trading.

Integral Ad Science (IAS) Institutional Ownership

Integral Ad Science logo
Compare

Institutional Ownership Changes (13F Filings) for Integral Ad Science (NASDAQ:IAS)

Current
Institutional Ownership
Percentage
95.78%
Number of
Institutional Buyers
(last 12 months)
110
Total
Institutional Inflows
(last 12 months)
$301.35M
Number of
Institutional Sellers
(last 12 months)
46
Total
Institutional Outflows
(last 12 months)
$99.76M
Get IAS Insider Trade Alerts

Want to know when executives and insiders are buying or selling Integral Ad Science stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

IAS Institutional Buying and Selling by Quarter

Integral Ad Science Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
1/1/2026JPMorgan Chase & Co.244,469$2.49M0.0%+209.4%0.146%
12/15/2025Mirabella Financial Services LLP11,800$120K0.0%N/A0.007%
12/15/2025 FNY Investment Advisers LLC5,000$50K0.0%N/A0.003%
12/1/2025Polar Asset Management Partners Inc.1,000,000$10.17M0.1%N/A0.596%
11/19/2025Danske Bank A S66,810$679K0.0%N/A0.040%
11/17/2025Morningstar Investment Management LLC71,712$729K0.0%N/A0.043%
11/17/2025First Trust Capital Management L.P.2,088,796$21.24M1.4%N/A1.244%
11/17/2025Water Island Capital LLC1,071,160$10.89M1.4%N/A0.638%
11/17/2025Verition Fund Management LLC1,948,970$19.82M0.1%+1,663.2%1.161%
11/17/2025Sherbrooke Park Advisers LLC14,438$147K0.1%-17.4%0.009%
11/17/2025Qube Research & Technologies Ltd521,420$5.30M0.0%+183.9%0.311%
11/17/2025Prelude Capital Management LLC39,985$407K0.0%+41.7%0.024%
11/17/2025PenderFund Capital Management Ltd.9,100$93K0.0%N/A0.005%
11/17/2025Mercer Global Advisors Inc. ADV15,429$157K0.0%+35.2%0.009%
11/17/2025Millennium Management LLC333,892$3.40M0.0%N/A0.199%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.35,795$364K0.0%-15.3%0.021%
11/17/2025Jain Global LLC36,500$371K0.0%N/A0.022%
11/17/2025Circumference Group LLC450,000$4.58M5.1%+28.6%0.268%
11/17/2025Clearline Capital LP419,221$4.26M0.2%-18.6%0.250%
11/17/2025Bank of America Corp DE1,394,507$14.18M0.0%+118.2%0.831%
11/17/2025Ararat Capital Management LP668,407$6.80M3.6%-69.0%0.398%
11/17/2025Alliancebernstein L.P.257,920$2.62M0.0%+236.8%0.154%
11/17/2025Ameriprise Financial Inc.89,214$907K0.0%-92.9%0.053%
11/14/2025Creative Planning23,507$239K0.0%+59.9%0.014%
11/14/2025Polar Asset Management Partners Inc.1,000,000$10.17M0.1%N/A0.596%
11/14/2025AQR Arbitrage LLC991,705$10.09M0.3%N/A0.591%
11/14/2025Virtu Financial LLC42,274$430K0.0%N/A0.025%
11/14/2025Balyasny Asset Management L.P.1,166,530$11.86M0.0%N/A0.695%
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC96,703$983K0.0%-50.6%0.058%
11/14/2025Two Sigma Investments LP59,664$607K0.0%-50.1%0.036%
11/14/2025P2 Capital Partners LLC4,830,805$49.13M9.4%-1.6%2.878%
11/14/2025Quinn Opportunity Partners LLC100,000$1.02M0.1%-61.5%0.060%
11/13/2025Sunriver Management LLC7,120,157$72.41M7.9%-19.3%4.242%
11/13/2025Johnson Financial Group Inc.5,904$60K0.0%N/A0.004%
11/13/2025Sei Investments Co.29,344$298K0.0%-46.8%0.017%
11/13/2025UBS Group AG574,116$5.84M0.0%+88.5%0.342%
11/13/2025BNP Paribas Financial Markets27,716$282K0.0%-16.4%0.017%
11/13/2025Russell Investments Group Ltd.6,379$65K0.0%-90.3%0.004%
11/13/2025Schroder Investment Management Group12,127$123K0.0%N/A0.007%
11/13/2025First Trust Advisors LP146,573$1.49M0.0%+107.6%0.087%
11/12/2025Gabelli Funds LLC383,797$3.90M0.0%N/A0.229%
11/12/2025Gamco Investors INC. ET AL10,000$102K0.0%N/A0.006%
11/12/2025GABELLI & Co INVESTMENT ADVISERS INC.350,600$3.57M0.6%N/A0.209%
11/12/2025Longfellow Investment Management Co. LLC7,384$75K0.0%N/A0.004%
11/12/2025Barclays PLC477,908$4.86M0.0%+49.8%0.285%
11/12/2025Pitcairn Co.24,272$247K0.0%-32.5%0.014%
11/12/2025Dimensional Fund Advisors LP5,949,164$60.50M0.0%+10.0%3.544%
11/12/2025AustralianSuper Pty Ltd1,241,209$12.62M0.1%N/A0.739%
11/12/2025Victory Capital Management Inc.147,573$1.50M0.0%-3.8%0.088%
11/12/2025Royce & Associates LP12,226$124K0.0%N/A0.007%
11/12/2025Fifth Lane Capital LP50,000$508K0.4%N/A0.030%
11/12/2025Intech Investment Management LLC35,560$362K0.0%-32.0%0.021%
11/10/2025Dana Investment Advisors Inc.793,740$8.07M0.2%+611.4%0.473%
11/10/2025Ameritas Investment Partners Inc.6,369$65K0.0%-18.2%0.004%
11/7/2025CenterBook Partners LP536,066$5.45M0.3%-68.8%0.319%
11/7/2025Vanguard Group Inc.9,043,380$91.97M0.0%-2.3%5.388%
11/7/2025JPMorgan Chase & Co.244,469$2.49M0.0%+209.4%0.146%
11/7/2025PNC Financial Services Group Inc.3,726$38K0.0%+70.1%0.002%
11/7/2025 Aberdeen Group plc335,915$3.42M0.0%-81.0%0.200%
11/6/2025 Alpine Associates Management Inc.641,140$6.52M0.4%N/A0.382%
11/6/2025Cornerstone Investment Partners LLC18,477$188K0.0%N/A0.011%
11/6/2025LSV Asset Management48,500$493K0.0%N/A0.029%
11/6/2025Rhumbline Advisers107,551$1.09M0.0%-25.9%0.064%
11/6/2025 ProShare Advisors LLC40,786$415K0.0%+160.9%0.024%
11/5/2025Alps Advisors Inc.54,280$552K0.0%+33.1%0.032%
11/5/2025Envestnet Asset Management Inc.75,705$770K0.0%+3.9%0.045%
11/4/2025State of Wyoming21,530$219K0.0%N/A0.013%
11/4/2025Principal Financial Group Inc.54,443$554K0.0%-15.2%0.032%
11/3/2025 AlphaQuest LLC40,513$412K0.0%-38.9%0.024%
11/3/2025AustralianSuper Pty Ltd1,241,209$12.62M0.1%N/A0.739%
10/28/2025Wolverine Asset Management LLC43,393$441K0.0%N/A0.026%
10/24/2025 State of Alaska Department of Revenue4,436$45K0.0%N/A0.003%
10/23/2025 SG Americas Securities LLC273,467$2.78M0.0%+680.0%0.165%
10/17/2025 Clune & Associates LTD.78,540$799K0.2%-19.3%0.047%
10/16/2025Rice Hall James & Associates LLC199,103$2.03M0.1%-32.1%0.120%
10/16/2025 Blue Trust Inc.45,461$462K0.0%+3.7%0.027%
10/15/2025CWM LLC11,305$115K0.0%+25.3%0.007%
10/15/2025Pacer Advisors Inc.582,510$5.92M0.0%N/A0.351%
10/9/2025Voya Investment Management LLC14,277$145K0.0%-69.7%0.009%
8/15/2025Tower Research Capital LLC TRC 10,158$84K0.0%+136.5%0.006%
8/15/2025Monimus Capital Management LP665,465$5.53M4.0%+36.5%0.400%
8/15/2025Rubric Capital Management LP2,971,951$24.70M0.4%-6.2%1.789%
8/15/2025P2 Capital Partners LLC4,910,000$40.80M7.8%+2.1%2.955%
8/15/2025Man Group plc117,229$974K0.0%N/A0.071%
8/15/2025Manatuck Hill Partners LLC100,000$831K0.3%N/A0.060%
8/15/2025Lazard Asset Management LLC25,957$215K0.0%N/A0.016%
8/15/2025Grizzlyrock Capital LLC523,139$4.35M3.0%N/A0.315%
8/15/2025Engineers Gate Manager LP12,811$106K0.0%-69.2%0.008%
8/15/2025BNP Paribas Financial Markets33,165$276K0.0%+77.7%0.020%
8/15/2025Brevan Howard Capital Management LP22,762$189K0.0%N/A0.014%
8/15/2025Bank of America Corp DE639,093$5.31M0.0%+20.0%0.385%
8/15/2025Ameriprise Financial Inc.1,254,049$10.42M0.0%+1,195.1%0.755%
8/14/2025PDT Partners LLC13,586$113K0.0%-94.1%0.008%
8/14/2025Jane Street Group LLC54,633$454K0.0%-77.8%0.033%
8/14/2025Raymond James Financial Inc.59,310$493K0.0%-13.0%0.036%
8/14/2025The Manufacturers Life Insurance Company 41,678$346K0.0%+3.0%0.025%
8/14/2025Sei Investments Co.55,127$458K0.0%N/A0.033%
8/14/2025Frontier Capital Management Co. LLC822,643$6.84M0.1%-15.0%0.495%
8/14/2025Qube Research & Technologies Ltd183,655$1.53M0.0%-40.8%0.111%
8/14/2025Federated Hermes Inc.30,000$249K0.0%+11.1%0.018%


IAS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of IAS shares?

During the previous two years, 205 institutional investors and hedge funds held shares of Integral Ad Science. The most heavily invested institutionals were Vanguard Group Inc. ($91.97M), Sunriver Management LLC ($72.41M), Dimensional Fund Advisors LP ($60.50M), P2 Capital Partners LLC ($49.13M), Alyeska Investment Group L.P. ($41.54M), Clearbridge Investments LLC ($28.50M), and Rubric Capital Management LP ($24.70M).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 185 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), AustralianSuper Pty Ltd ($2.48M), First Trust Capital Management L.P. ($2.09M), Polar Asset Management Partners Inc. ($2M), Verition Fund Management LLC ($1.84M), and Sunriver Management LLC ($1.53M).

How much institutional buying is happening at Integral Ad Science?

Institutional investors have bought a total of 32,482,068 shares in the last 24 months. This purchase volume represents approximately $301.35M in transactions.

Which of Integral Ad Science's major shareholders have been selling company stock?

Of the 46 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: Sunriver Management LLC ($1.70M), Aberdeen Group plc ($1.66M), CenterBook Partners LP ($1.55M), Ararat Capital Management LP ($1.49M), Ameriprise Financial Inc. ($1.16M), Repertoire Partners LP ($235.41K), and PDT Partners LLC ($215.39K).

How much institutional selling is happening at Integral Ad Science?

Institutional investors have sold a total of 10,232,049 shares in the last 24 months. This volume of shares sold represents approximately $99.76M in transactions.


Related Companies

This page (NASDAQ:IAS) was last updated on 5/5/2026 by MarketBeat.com Staff.
From Our Partners
Iran's New Leader Just Said Something That Should Terrify Every American
Iran's Supreme Leader has declared the Strait of Hormuz closed as leverage against the U.S. - and with 40% of ...
American Alternative | Sponsoredtc pixel
Your book attached
Your Download Link (Expiring) If you still haven't downloaded the free Simple Options Trading For Beginners...
Profits Run | Sponsoredtc pixel
The Iran War Just Broke the Gold Market
The Iran war isn't just a geopolitical event. It's a financial one. Within hours of the strikes, oil surged...
Behind the Markets | Sponsoredtc pixel
Before you buy SpaceX shares, consider this alternative approach
SpaceX has confidentially filed for an IPO with the SEC, targeting a June 2026 listing at a valuation exceedin...
Weiss Ratings | Sponsoredtc pixel
Nobody's Asking Where The SpaceX Money Comes From
When SpaceX goes public, fund managers will sell existing portfolio holdings to fund the move. Trillions in as...
Americas Gold Company | Sponsoredtc pixel
A private stake in SpaceX may still be within reach
While the world watched NASA's Artemis mission, Elon Musk's team quietly launched its own rocket — a move Jeff...
Brownstone Research | Sponsoredtc pixel