Observed Signal · Sep 18, 2026 · M&A - Completed · Source: AdExchanger · Impact: 4/5 · Sentiment: Positive
M&A Market: Infillion Acquires Foursquare to Bolster Location Data
Infillion, a rapidly expanding ad tech company, has acquired Foursquare, a location intelligence company, to enhance its omnichannel platform. The terms of the deal were not disclosed. Foursquare, known for its consumer check-in app, pivoted to B2B location data, covering over 100 million points of interest and serving clients like Apple Maps and Uber. Infillion's CEO, Rob Emrich, stated the company will remain an active acquirer as clients prefer omnichannel solutions. This acquisition follows Infillion's purchase of Catalina in February and MediaMath in 2023, reflecting its strategy to combine physical world data for better attribution.
Infillion's acquisition of Foursquare consolidates location data, enhancing cross-channel attribution capabilities, indicative of ongoing M&A in AdTech.
Key Takeaways & Evidence Grounding
- Infillion acquires Foursquare, adding location data to its ad tech stack.
- Terms of the deal were not disclosed.
- Foursquare covers 100 million points of interest and 250 million US devices.
- Infillion previously acquired Catalina, MediaMath, and other ad tech firms.
- Foursquare will continue operating under its own brand for now.
Connected Companies & Entities
3 Entities mappedCatalina
Shopper marketing platform using purchase data for media and measurement.
“Infillion Strikes Again, This Time Buying The Retail Purchase Data Company Catalina...”
Infillion
Composable adtech platform for omnichannel media, data and creative.
“Infillion checked in with its latest acquisition on Friday: Foursquare....”
Foursquare
Location intelligence, attribution and geospatial data software for enterprises.
“Infillion Acquires Foursquare; Foursquare will keep operating under its own brand name...”
Ontology Mapping & Concepts
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