supply-side-platform
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Index Exchange Wants to Shorten the Trip Your Ad Dollar Takes
The family-built ad exchange is opening its infrastructure to other companies. Its wager: fewer detours can mean better decisions, less waste and more money for the media people actually came to see.
Admixer wants you to run your own ad business
The company that began by selling ads on Ukrainian websites now sells the machinery behind the market. Its pitch to agencies and publishers: keep more control over the audience, the auction and the money.
TripleLift Wants to Fix the Internet's Most Ignored Product: The Ad
The ad-tech company built its first business by making ads fit the page. Now it is trying to coordinate creative, data, inventory and measurement before the impression ever reaches a screen.
Perion Network
The Israeli adtech company spent a decade buying its way across every screen. Now, after Microsoft pulled the rug on its search business, Perion is betting the whole company on one AI platform - and on the screens Google can't own.
Nexxen
Nexxen is betting that the best way through advertising's maze of screens, signals and middlemen is to own the road from audience discovery to the final impression. Its challenge is turning that unusually complete stack into a simpler choice for buyers and publishers.
CloudX
CloudX is an AI-native ad monetization platform for mobile publishers, built by the founders of MoPub and MAX. It rebuilds the programmatic supply-side stack so autonomous AI agents - not manual ops teams - can run auctions, manage price floors, and optimize revenue, with auction integrity verified inside Trusted Execution Environments. The company launched out of stealth in November 2025 with a $30M Series A led by Addition.