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The M&A tracker

Ad tech consolidates constantly. 88 landmark deals worth a disclosed $304B+ since the 1990s, plus new deals detected in the news as they break. Why does it keep happening? Read the lesson.

Just announced

Detected in the news
DateDealValueStatus
2026-10-01Lyra Technology Group → Concept Data
Lyra Technology Group, part of Evergreen, has acquired Concept Data, a company based in Adelaide. Details about the transaction and Concept Data's specific role in the digital advertising ecosystem were not provided.
—announced
2026-10-01Knorex → AscendX
Knorex has announced plans to separate its AscendX unit, which focuses on helping publishers generate revenue from their digital content. The move is described as a strategic carve-out, indicating AscendX will operate independently from Knorex's core business.
—announced
2026-10-01Shamrock → Saylor
Shamrock has acquired a majority stake in Saylor and is merging it with Mutiny, a gaming-focused agency. The new combined agency aims to offer brands expertise in engaging fan communities, extending beyond just entertainment and gaming sectors.
—announced
2026-10-01Audiohook → Podscan
Audiohook, an audio advertising platform, has acquired Podscan, a company specializing in podcast monitoring. This move is aimed at enhancing Audiohook's ability to track and analyze podcast ad placements and performance.
—announced
2026-10-01Roku → Fox
Roku's Chief Financial Officer has sold 7,000 company shares, totaling $1.1 million. Meanwhile, the U.S. Department of Justice is extending its review of Roku's planned acquisition of Fox, indicating ongoing regulatory scrutiny.
—announced
2026-10-01Yext → Flamel.ai
Yext has signed an agreement to acquire Flamel.ai, a company specializing in localized paid ad campaigns across platforms like Google, Meta, and ChatGPT. The move aims to provide multi-location brands with a unified platform for managing both organic and paid media.
—announced
2026-08-06 · take private · pending

Nielsen → DoubleVerify $2.15B (all-cash, $13.60 per share)

The TV ratings company agreed to buy one of the two big ad [[verification]] firms, combining audience measurement with [[viewability]], [[brand-safety]] and [[invalid-traffic]] detection. Expected to close in Q1 2027.

2026-05-17 · take private · pending

Publicis Groupe → LiveRamp $2.17B (enterprise value; $38.50 per share; equity value about $2.55B)

An agency holding company agreed to buy the largest independent identity and data-collaboration platform, raising questions about neutrality for rival agencies that use LiveRamp.

2025-09-24 · take private · completed (closed 2025-12-23)

Novacap → Integral Ad Science $1.9B (all-cash, $10.30 per share)

IAS left the stock market four years after its IPO, as public verification stocks struggled with slower growth and pricing pressure.

2024-11-21 · take private · completed (closed 2025-02-13)

Mediaocean → Innovid $500M (enterprise value; $3.15 per share)

The agency workflow software company combined Innovid's CTV ad serving with Flashtalking, creating a large independent ad server.

2024-04-01 · take private · completed

Cadent (Novacap) → AdTheorent $324M ($3.21 per share in cash)

A TV ad platform took a small public DSP private, one of several deals where subscale public ad tech companies were absorbed.

2022-04-25 · take private · completed (closed 2022-10-27)

Elon Musk → Twitter $44B ($54.20 per share in cash)

After the takeover, many large advertisers paused spending over brand-safety concerns, a vivid example of how [[brand-safety]] shapes platform revenue. Twitter was renamed X.

2022-03-29 · take private · completed (closed 2022-10-11)

Evergreen Coast Capital (Elliott) and Brookfield consortium → Nielsen $16B (all-cash including debt; $28 per share)

The TV ratings giant went private after losing MRC accreditation and facing new cross-platform measurement rivals.

2021-05-03 · take private · completed (closed 2021-09-01)

Apollo Global Management → Verizon Media (Yahoo, AOL) $5B ($4.25B cash, $750M preferred; Verizon kept 10%)

Verizon sold Yahoo and AOL for roughly half of what it had paid, ending the telecom bet on owning ad tech. The business was renamed Yahoo.