Institutional Investment Disclosure Filed

A significant institutional investor or passive stakeholder has filed a Form 13G with the U.S. Securities and Exchange Commission (SEC) regarding its holdings in Integral Ad Science Holding Corp. (IAS). The filing, dated for December 23, signifies a holding of 5% or more of the company's Class A common stock.

What is a Form 13G?

Form 13G is a shortened version of the Schedule 13D, used by passive investors who acquire more than 5% of a company's stock but do not intend to influence or change control of the issuer. This filing is typically associated with institutional investors, such as mutual funds, pension funds, or insurance companies, taking a long-term, non-activist position.

The disclosure provides market transparency and alerts other shareholders to the presence of a major, stable investor on the company's register. The specific identity of the filer and the exact size of the stake will be detailed in the full filing document, which becomes publicly available through the SEC's EDGAR database.

About Integral Ad Science

Integral Ad Science is a leading global media measurement and optimization platform that delivers the industry’s most actionable data to drive superior results for advertisers and publishers. The company focuses on ad verification, brand safety, and contextual targeting.