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Infillion acquires Foursquare for data synergy

PRIVATEOct 12, 2026

Acquiring Company

Infillion

Acquired Company

Foursquare

New YorkNew YorkAdvertisingMarketingOtherInformation TechnologySoftware

Description

Infillion has acquired Foursquare, enhancing its data capabilities in the ad tech market. This acquisition enables Infillion to offer advertisers a more comprehensive understanding of audiences and locations, while Foursquare will maintain its independence and continue to serve clients across different platforms.

Company Information

Company

Infillion

Location

New York, New York, United States

About

Infillion is the architect of ad tech's first truly composable advertising platform. They are dedicated to empowering clients to build, scale, and optimize their ad businesses across various media networks. The company focuses on innovative technology solutions tailored for the advertising industry. With a strong emphasis on strategic growth, Infillion serves retailers, local media companies, and agencies.

Fundz sees it the moment Infillion makes an acquisition, hires an exec or expands, usually minutes after it happens, and tells you who to reach.

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Frequently asked

Who acquired Foursquare?

Foursquare was acquired by Infillion, based in New York. The deal was reported on October 12, 2026. Infillion is the architect of ad tech's first truly composable advertising platform. They are dedicated to empowering clients to build, scale, and optimize their ad businesses across various media networks. Infillion is privately held and operates in Advertising.

When did Infillion acquire Foursquare?

Infillion's acquisition of Foursquare was reported on October 12, 2026. Infillion has acquired Foursquare, enhancing its data capabilities in the ad tech market. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.

What does Foursquare do?

Foursquare is the industry leader in all things geospatial—from foundational building blocks to turnkey solutions. Think of us as the location layer of your tech stack. It is privately held, operating in Other, and is based in New York.

This company was part of an acquisition. Fundz tracks who bought whom, and who to call on both sides.

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include FundzWatch™ for automated website change detection, Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.