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Integral Ad Science IPO

Integral Ad Science (IAS) provides digital advertising verification and optimization solutions, helping advertisers ensure their ads appear in suitable environments and reach real audiences. The company competes with DoubleVerify in the growing market for ad verification and brand safety services.

PublicUpdated April 2, 2026

Key Facts

IndustryDigital Advertising Verification
Founded2009
HeadquartersNew York, NY
Employees~800
Websiteintegralads.com
FundingPublic company (NASDAQ: IAS). IPO June 2021

About Integral Ad Science

Integral Ad Science (IAS) provides measurement and optimization solutions for digital advertising campaigns, helping advertisers ensure their ads are viewable, fraud-free, and appearing in brand-safe environments. The company's technology analyzes billions of ad impressions daily, providing real-time verification and post-campaign analytics to major advertisers and agencies worldwide.

As digital advertising spend has grown to hundreds of billions annually, concerns about ad fraud, viewability, and brand safety have become critical issues for marketers. IAS addresses these challenges through machine learning algorithms that detect invalid traffic, verify ad placement quality, and provide contextual analysis of content adjacency. The company serves over 2,000 advertisers including major brands and agencies, positioning itself as essential infrastructure in the digital advertising ecosystem where trust and measurement are paramount for campaign effectiveness.

IPO Status

Integral Ad Science went public on June 30, 2021, trading on NASDAQ under the ticker symbol IAS. The company priced its IPO at $23 per share, raising approximately $240 million. The IPO came at a time when advertiser demand for verification and brand safety solutions was growing, driven by concerns about ad fraud and inappropriate content placement. Since its public debut, IAS has focused on expanding its global reach and enhancing its measurement capabilities across different advertising channels, including connected TV and social media. The company continues to compete in the digital advertising verification market alongside DoubleVerify and other measurement providers.

Competitors

Frequently Asked Questions

Does Integral Ad Science have a stock?

Yes, Integral Ad Science completed its initial public offering in June 2021. The company has been publicly traded on NASDAQ under the ticker IAS since then.

When is the Integral Ad Science IPO date?

Integral Ad Science's IPO already occurred on June 30, 2021. The company priced its shares at $23 each and has been trading publicly since that date.

How can I buy Integral Ad Science stock?

You can buy Integral Ad Science stock through any licensed brokerage account since it trades publicly on NASDAQ under ticker IAS. The stock is available through traditional brokerages, online platforms, and investment apps during regular market hours.

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