M&A Timeline
BetaA scrollable timeline of significant AdTech corporate events — acquisitions, mergers, IPOs, funding rounds, spinoffs, shutdowns and rebrands. Built for understanding how today's landscape was shaped, year by year.
358 events · click a year to jumpDots: events & acquisitions · Squares: rebrands
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Showing 189 of 189 events.
2026
13 events- Jun 23Walmart→Vibe.co
- Jun 18Penske Media acquires Vox MediaAcquisitionPenske Media Corporation (PMC)→Vox Media
- Jun 18Penske Media→PMX Division
- Jun 15Fox Corporation→Roku
- May 28Sprinklr acquires ViralMomentAcquisitionSprinklr→ViralMoment
- May 28
- May 17Publicis Groupe→LiveRamp
- Apr 7MiQ→Rocket Lab (mobile app growth company, Miami-headquartered — not Rocket Lab USA, Inc.)
- Apr 1Salesforce acquires QualifiedAcquisitionSalesforce→Qualified
- Mar 25MiQ→Adsmovil Latin America
- Feb 27Paramount Skydance→Warner Bros. Discovery
- Feb 18eBay→Depop
- Feb 15Pinterest acquires tvScientificAcquisitionPinterest→tvScientific
2025
3 events- Nov 26Omnicom Group→Interpublic Group (IPG)
- Sep 15Rembrand acquires SpacebackAcquisitionRembrand→Spaceback
- Feb 13Mediaocean→Innovid
2024
13 events- JunIntegral Ad Science (IAS)→Publica
- May 29Publicis Groupe→Influential
- Apr 18Ibotta
- Apr 2Yahoo→Artifact
- Mar 29Yahoo→Artifact
- Mar 21
- MarAttain→Swoop
- MarMRM shutdownShutdownMRM
- Feb 20Walmart→Vizio
- Jan 9Instacart→Eversight
- Jan 9Sharethrough→District M
- JanHavas acquires Uncommon Creative StudioAcquisitionHavas→Uncommon Creative Studio
- JanHavas→Ekimetrics
2023
27 events- DecDoorDash→Bbot
- Nov 14
- Nov 6MiQ→Grasp
- NovStagwell→Code and Theory
- NovTransUnion→Neustar
- Nov
- Oct 5Interpublic Group (IPG)→Acxiom Marketing Services
- Sep 19
- Sep
- Sep
- SepTinuiti→Kepler Group
- Aug 22Amazon→Sizmek Ad Server
- Jul 31DoubleVerify→Scibids
- Jul 18DoubleVerify→OpenSlate
- Jul 11Publicis Groupe→Profitero
- JulHorizon Media→Chalice Custom Algorithms
- JunSnap Inc.→Th3rd
- JunOaktree Capital Management (leading consortium)→Adform
- JunSnap Inc.→Th3rd
- May 15Viant Technology→Adelphic
- May
- MayFoursquare→Placed
- Apr 25Quotient Technology→Ubimo
- Apr 12Foursquare→Factual
- Mar 28
- Mar 15
- MarCVS Health→Signify Health
2022
14 events- DecOmnicom Group→Flywheel Digital
- Nov 7Unity Technologies→ironSource
- Oct 14Kroger→Albertsons Companies
- Sep 14PubMatic→Martin
- Sep 1TripleLift→1plusX
- Aug 2Criteo→IPONWEB
- Jun 15Spotify→Findaway
- Jun 14
- Apr 19AppLovin Corporation→Wurl
- Apr 1Scopely→GSN Games
- Mar 16InMobi acquires AppsumerAcquisitionInMobi→Appsumer
- Mar 1Innovid→TVSquared
- Jan 4AppLovin Corporation→MoPub (formerly owned by Twitter)
- Jan 3Tremor International→Amobee
2021
26 events- Dec 23AdTheorent
- Dec 21Microsoft→Xandr
- Dec 6BuzzFeed
- Dec 1Innovid
- Nov 8Nextdoor
- Nov 1Roku→Nielsen Advanced Video Advertising Business
- Sep 30Taboola→Connexity
- Sep
- Aug 30DoubleVerify acquires MeetricsAcquisitionDoubleVerify→Meetrics
- Aug 26Axel Springer→Politico
- Jul 23CC Neuberger Principal Holdings II→Outbrain
- Jul 21Salesforce→Slack Technologies
- Jul 1Mediaocean→Flashtalking
- Jul 1Magnite→SpringServe
- Jun 30
- Jun 30ION Acquisition Corp→Taboola
- Jun 29ironSource
- Jun 10Zeta Global Holdings Corp.
- May 25Vimeo
- Apr 30Magnite→SpotX
- Apr 29Digital Turbine→AdColony
- Apr 21
- Apr 15AppLovin
- Mar 9Cardlytics acquires Dosh for $275MAcquisitionCardlytics→Dosh
- Feb 10
- Jan 4Comcast acquires BeeswaxAcquisitionComcast (FreeWheel)→Beeswax
2020
7 events- Dec 9
- Dec 8Adobe→Workfront
- Nov 2Experian→Tapad
- Oct 28MediaAlpha
- Jun 30Fox Corporation acquires Tubi for $440MAcquisitionFox Corporation→Tubi
- Apr 1Rubicon Project→Telaria
- Feb 13Google Cloud (Alphabet Inc.)→Looker
2019
6 events- Nov 19TrustArc acquires NymityAcquisitionTrustArc→Nymity
- Nov 8Roku→Dataxu (programmatic technology assets)
- Aug 1Salesforce→Tableau Software
- Jun 24LiveRamp→Data Plus Math
- Jun 13Dun & Bradstreet acquires Lattice EnginesAcquisitionDun & Bradstreet→Lattice Engines
- Apr 18Pinterest, Inc.
2018
9 events- Oct 31Adobe→Marketo
- Oct 9Comcast Corporation→Sky plc
- Sep 1
- Jun 25AT&T→AppNexus
- Jun 19Adobe Systems (Adobe Inc.)→Magento Commerce
- Jun 14AT&T→Time Warner Inc.
- May 2Salesforce→MuleSoft
- Apr 3Spotify
- Feb 9Cardlytics
2017
6 events- Oct 3Nielsen acquires Visual IQAcquisitionNielsen→Visual IQ
- Sep 29Rovio Entertainment
- Sep 28Roku
- Jun 13Verizon Communications→Yahoo (core internet business)
- Mar 31Viant acquires Adelphic (mobile-first DSP)AcquisitionViant Technology (subsidiary of Time Inc.)→Adelphic
- Mar 2Snap Inc.
2016
8 events- Dec 6Adobe Systems→TubeMogul
- Nov 10Salesforce→Krux
- Sep 21The Trade Desk
- Sep 1Dentsu→Merkle
- Jul 13Salesforce→Demandware
- Jun 14Impact Radius acquires ForensiqAcquisitionImpact Radius→Forensiq
- Jun 13Microsoft→LinkedIn
- Jan 29Telenor acquires Tapad for $360MAcquisitionTelenor→Tapad
2015
4 events- Jul 24AT&T→DirecTV
- May 12Verizon Communications→AOL Inc.
- Mar 6MaxPoint Interactive
- Feb 6Publicis Groupe→Sapient Corporation
2014
13 events- Nov 11Yahoo→BrightRoll
- Aug 25Yahoo→Flurry
- Aug 25Amazon→Twitch Interactive
- Jul 18TubeMogul
- Jun 30IBM→Silverpop
- May 14Acxiom Corporation→LiveRamp
- Apr 17Weibo
- Apr 4Comcast→FreeWheel
- Apr 2Rubicon Project, Inc.
- Mar 26King Digital Entertainment
- Mar 7Coupons.com
- Feb 24Oracle Corporation→BlueKai
- Feb 7Oracle Corporation→Responsys
2013
11 events- Nov 7Twitter
- Oct 30Criteo S.A.
- Sep 20Rocket Fuel
- Sep 9Twitter→MoPub
- Aug 7AOL→Adap.tv
- Aug 7YuMe
- Jul 23Adobe Systems→Neolane
- Jul 12Salesforce→ExactTarget
- Jun 27Tremor Video
- Jun 20Yahoo→Tumblr
- Mar 22Marin Software
2012
6 events- Dec 20Oracle Corporation→Eloqua
- Aug 13Salesforce→Buddy Media
- May 23Oracle Corporation→Vitrue
- May 18Facebook, Inc.
- Mar 2Yelp
- Feb 17Brightcove
2011
5 events- Dec 16Zynga
- Dec 13Google→AdMeld
- Jun 15Pandora Media
- May 24Yandex
- Jan 28Comcast Corporation→NBCUniversal (majority stake acquired from General Electric)
2010
2 events- May 27Google→AdMob
- Jan 5Apple Inc.→Quattro Wireless
2009
1 event- Sep 15Adobe Systems→Omniture
2007
5 events- Jun 27comScore
- May 18Microsoft→aQuantive, Inc.
- May 17WPP Group→24/7 Real Media
- Apr 30Yahoo→Right Media
- Apr 13Google→DoubleClick
2005
1 event- Aug 5Baidu, Inc.
2004
2 events- Aug 19Google
- Mar 31Marchex
2000
3 events- Mar 30ValueClick
- Feb 28Avenue A, Inc.
- Jan 10AOL (America Online)→Time Warner
1999
1 event- Aug 13DoubleClick Inc.→NetGravity Inc.
1998
2 events- Aug 1424/7 Media
- Feb 20DoubleClick
1996
1 event- Apr 12Yahoo!
A note on coverage: ATDb tracks 189 M&A and industry events in this timeline (mostly 2020-2024). Coverage is denser for transactions that surface in trade press (Adweek, AdExchanger, Digiday) and lighter for sub-$50M deals + non-US activity. Spot something missing? Use the flag icon in the toolbar above, or submit a new event.
Browse AdTech M&A history
The acquisitions, IPOs, and launches that shaped the AdTech landscape, by year and by recent deal. Scroll the interactive timeline above, or dive into the M&A hub.
Browse all M&A deals →Recent acquisitions
- Rokuacquired by Fox Corporation, 2027
- Vibe.coacquired by Walmart Inc., 2027
- LiveRampacquired by Publicis Groupe, 2026
- Warner Bros. Discoveryacquired by Paramount Skydance, 2026
- Qualifiedacquired by Salesforce, 2026
- tvScientificacquired by Pinterest Inc., 2026
- Interpublic Groupacquired by Omnicom Group, 2025
- Innovidacquired by Mediaocean, 2025
- Splickyacquired by Adform, 2025
- Cheetah Digitalacquired by Zeta Global, 2025
- Selligentacquired by Zeta Global, 2025
- Influentialacquired by Publicis Groupe, 2024