Institutional shares held 164 Million
84.8K calls
0 puts
Total value of holdings $1.69B
$870K calls
$0 puts
Market Cap $1.6B
155,750,000 Shares Out.
Institutional ownership 105.36%
# of Institutions 181


Latest Institutional Activity in IAS

Top Purchases

Q3 2025
Omni Event Management LTD Shares Held: 3M ($30.8M)
Q3 2025
Highland Capital Management Fund Advisors, L.P. Shares Held: 2.68M ($27.6M)
Q3 2025
Glazer Capital, LLC Shares Held: 2.1M ($21.5M)
Q3 2025
First Trust Capital Management L.P. Shares Held: 2.09M ($21.5M)
Q3 2025
Soros Fund Management LLC Shares Held: 1.99M ($20.4M)

Top Sells

Q3 2025
Sunriver Management LLC Shares Held: 7.12M ($73.1M)
Q3 2025
Ararat Capital Management, LP Shares Held: 668K ($6.86M)
Q3 2025
Abrdn PLC Shares Held: 336K ($3.45M)
Q3 2025
Center Book Partners LP Shares Held: 536K ($5.51M)
Q3 2025
Ameriprise Financial Inc Shares Held: 89.2K ($916K)

About IAS

Integral Ad Science Holding Corp. operates as a digital advertising verification company in the United States, the United Kingdom, Germany, Italy, Spain, Sweden, Singapore, Australia, France, Japan, Canada, India, and Brazil. The company provides IAS Signal, a cloud-based technology platform that offers actionable insights; and deliver independent measurement and verification of digital advertising across devices, channels, and formats, including desktop, mobile, connected TV, social, display, and video. Its digital media quality solutions offer ad fraud detection and prevention, viewability, brand safety and suitability, contextual targeting, inventory yield management, and reporting. The company offers Quality Impressions, a metric designed to verify that digital ads are served to a real person rather than a bot, viewable on-screen, and presented in a brand-safe and suitable environment in the correct geography; Context Control solution that delivers contextual targeting and brand suitability capabilities; pre-bid programmatic and post-bid verification solutions for advertisers; and optimization and verification solutions for publishers. It serves advertisers and agencies, publishers, advertising/audience networks, and supply side platforms. The company was founded in 2009 and is headquartered in New York, New York.


Insider Transactions at IAS

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
View All Transactions

Last 12 Months Summary

Buy / Acquisition
1.11M Shares
From 8 Insiders
Grant, award, or other acquisition 765K shares
Exercise of conversion of derivative security 349K shares
Sell / Disposition
265K Shares
From 3 Insiders
Sale (or disposition) back to the issuer 42.4K shares
Open market or private sale 222K shares

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