M&A Timeline
BetaA scrollable timeline of AdTech industry events — acquisitions, IPOs, product launches, leadership changes. Built for understanding how today's landscape was shaped, year by year.
414 events · click a year to jumpDots: events & acquisitions · Squares: rebrands
1972197519801985199019952000200520102015202020252026
Showing 267 of 267 events.
2026
14 events- Jun 12Publicis and The Trade Desk settle disputePartnership
- Jun 10
- May 28
- May 28Sprinklr acquires ViralMomentAcquisition
- May 26CTM partners with Google LSAPartnership
- May 26CTM partners with Reddit AdsPartnership
- May 26CTM partners with LinkedIn AdsPartnership
- May 17Publicis Groupe→LiveRamp
- May 1Walmart Connect partners with Yahoo DSPPartnership
- Apr 7CTM partners with Genius MonkeyPartnership
- Apr 7MiQ→Rocket Lab
- Apr 1Salesforce acquires QualifiedAcquisition
- Mar 25MiQ→Adsmovil (LatAm business)
- Feb 15Pinterest acquires tvScientificAcquisition
2025
3 events- Nov 26Omnicom Group→Interpublic Group
- Nov 25Yahoo DSP partners with Kinective MediaPartnership
- Feb 13Mediaocean→Innovid
2024
40 events- Dec 11Kroger→Albertsons
- Nov 1
- Nov 1Choozle partners with Amazon DSPPartnership
- Oct 15Snap launches Sponsored Snaps full-screen ad formatProduct launch
- Sep 12
- Jun
- May 29Publicis Groupe→Influential
- May 21TikTok launches TikTok Symphony AI creative suiteProduct launch
- May 16Reddit partners with OpenAIPartnership
- May 14
- Apr 23
- Apr 18Ibotta
- Apr 10Pinterest launches Performance+ automated campaign suiteProduct launch
- Apr 2Yahoo→Artifact
- Apr 1Yahoo→Artifact
- Apr
- Mar 29
- Mar 21
- MarOpenAI launches advertising platform for ChatGPTProduct launch
- Mar
- Mar
- Feb 28
- Feb 27
- Feb 22Reddit partners with GooglePartnership
- Feb 20Walmart→Vizio
- Feb 1Google launches Privacy Sandbox for AndroidProduct launch
- Feb 1
- FebKroger→Albertsons
- Feb
- FebInstacart launches Instacart Storefront AdsProduct launch
- Feb
- Feb
- Jan 16Google launches Topics API as cookie replacementProduct launch
- Jan 9
- Jan 9Instacart→Eversight
- Jan 9Sharethrough→District M
- Jan
- JanAmazon launches Amazon Ad Server (AAS)Product launch
- JanHavas→Ekimetrics
- JanHavas acquires Uncommon Creative StudioAcquisition
2023
68 events- Dec 5Viant appoints Tim Vanderhook as CEOLeadership change
- DecDoorDash→Bbot
- DecThe Trade Desk launches Galileo identity platformProduct launch
- Nov 29Amazon launches Sponsored TVProduct launch
- Nov 14
- Nov 7Omnicom Media Group launches OmniProduct launch
- Nov 7TikTok launches TikTok Creative Exchange marketplaceProduct launch
- Nov 6MiQ→Grasp
- NovStagwell→Code and Theory
- Nov
- Nov
- Nov
- Nov
- Oct 5Interpublic Group (IPG)→Acxiom Marketing Services
- OctEpsilon announces CEO transition with Shawn Higa appointmentLeadership change
- OctAlbertsons Media Collective launches Clean Room solutionProduct launch
- Oct
- Sep 19
- Sep 12
- Sep 12GroupM launches Finecast in USProduct launch
- Sep
- SepKroger Precision Marketing launches Private MarketplaceProduct launch
- Sep
- SepYahoo appoints Jim Lanzone as CEOLeadership change
- Sep
- Aug 22Dstillery appoints Michael Beebe as CEOLeadership change
- Aug 22Amazon→Sizmek Ad Server
- Aug
- Jul 31DoubleVerify→Scibids
- Jul 18
- Jul 11Publicis Groupe→Profitero
- JulHorizon Media→Chalice Custom Algorithms
- Jul
- Jun 28Walmart Connect launches Walmart Connect APIProduct launch
- Jun 26
- Jun 14Roblox launches immersive advertising platformProduct launch
- Jun 14The Trade Desk launches KokaiProduct launch
- Jun 13Snowflake launches Advertising Data CloudProduct launch
- Jun 13Snap launches Snap Ads API for programmatic accessProduct launch
- JunPinterest launches Pinterest API for ShoppingProduct launch
- JunSnap Inc.→Th3rd
- JunSnap Inc.→Th3rd
- JunOaktree Capital Management (leading consortium)→Adform
- May 22Yahoo launches Yahoo DSPProduct launch
- May 17
- May 16Yahoo appoints Iván Markman as Chief Business OfficerLeadership change
- May 15Viant Technology→Adelphic
- May 2
- May
- May
- MayYahoo launches Yahoo ConnectID identity solutionProduct launch
- MayRoku launches Roku Ads Manager self-serve platformProduct launch
- May
- Apr 25
- Apr 18LiveRamp launches Clean Room as a ServiceProduct launch
- Apr 18Amazon launches Amazon Marketing Cloud globallyProduct launch
- Apr 12
- Apr
- Mar 28
- Mar 15
- MarSnowflake launches Media Data Cloud for advertisingProduct launch
- Mar
- Mar
- Feb 15
- Feb
- Jan 10
- Jan
- Jan
2022
22 events- DecOmnicom Group→Flywheel Digital
- Nov 15IAB releases Global Privacy Platform (GPP) specificationProduct launch
- Nov 7Unity Technologies→ironSource
- Nov 3
- Nov 1
- Oct 25
- Oct 18Criteo pivots to commerce mediaProduct launch
- Oct 14Kroger→Albertsons Companies
- Sep 20GroupM launches GroupM NexusProduct launch
- Sep 14PubMatic→Martin
- Sep 1TripleLift→1plusX
- Aug 31
- Aug 15IAB Tech Lab launches ads.txt 1.1Product launch
- Aug 2Criteo→IPONWEB
- Jun 15Spotify→Findaway
- Jun 14
- Apr 19
- Apr 1Scopely→GSN Games
- Mar 16InMobi acquires AppsumerAcquisitionInMobi→Appsumer
- Mar 1Innovid→TVSquared
- Jan 4AppLovin→MoPub
- Jan 3Tremor International→Amobee
2021
27 events- Dec 23AdTheorent
- Dec 21Microsoft→Xandr
- Dec 6BuzzFeed
- Dec 1Innovid
- Nov 8Nextdoor
- Nov 1Roku→Nielsen Advanced Video Advertising Business
- Sep 30Taboola→Connexity
- Sep 1
- Sep
- Aug 30DoubleVerify acquires MeetricsAcquisitionDoubleVerify→Meetrics
- Aug 26Axel Springer→Politico
- Jul 23CC Neuberger Principal Holdings II→Outbrain
- Jul 21Salesforce→Slack
- 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 $275MAcquisition
- 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 $440MAcquisition
- Apr 1Rubicon Project→Telaria
- Feb 13Google→Looker
2019
6 events- Nov 19TrustArc acquires NymityAcquisition
- Nov 8Roku→Dataxu (programmatic technology assets)
- Aug 1Salesforce→Tableau
- Jun 24LiveRamp→Data Plus Math
- Jun 13Dun & Bradstreet acquires Lattice EnginesAcquisition
- Apr 18Pinterest, Inc.
2018
9 events- Oct 31Adobe→Marketo
- Oct 9Comcast→Sky
- Sep 1
- Jun 25AT&T→AppNexus
- Jun 19Adobe→Magento
- Jun 14AT&T→Time Warner
- May 2Salesforce→MuleSoft
- Apr 3Spotify
- Feb 9Cardlytics
2017
6 events- Oct 3Nielsen acquires Visual IQAcquisition
- Sep 29Rovio Entertainment
- Sep 28Roku
- Jun 13Verizon→Yahoo
- Mar 31Viant acquires Adelphic (mobile-first DSP)Acquisition
- Mar 2Snap Inc.
2016
8 events- Dec 6Adobe→TubeMogul
- Nov 10Salesforce→Krux
- Sep 21The Trade Desk
- Sep 1Dentsu→Merkle
- Jul 13Salesforce→Demandware
- Jun 14Impact Radius acquires ForensiqAcquisition
- Jun 13Microsoft→LinkedIn
- Jan 29Telenor acquires Tapad for $360MAcquisition
2015
4 events- Jul 24AT&T→DirecTV
- May 12Verizon→AOL
- Mar 6MaxPoint Interactive
- Feb 6Publicis→Sapient
2014
13 events- Nov 11Yahoo→BrightRoll
- Aug 25Amazon→Twitch
- Aug 25Yahoo→Flurry
- Jul 18TubeMogul
- Jun 30IBM→Silverpop
- May 14Acxiom→LiveRamp
- Apr 17Weibo
- Apr 4Comcast→FreeWheel
- Apr 2Rubicon Project, Inc.
- Mar 26King Digital Entertainment
- Mar 7Coupons.com
- Feb 24Oracle→BlueKai
- Feb 7Oracle→Responsys
2013
11 events- Nov 7Twitter
- Oct 30Criteo S.A.
- Sep 20Rocket Fuel
- Sep 9Twitter→MoPub
- Aug 7YuMe
- Aug 7
- Jul 23Adobe→Neolane
- Jul 12Salesforce→ExactTarget
- Jun 27Tremor Video
- Jun 20Yahoo→Tumblr
- Mar 22Marin Software
2012
6 events- Dec 20Oracle→Eloqua
- Aug 13Salesforce→Buddy Media
- May 23Oracle→Vitrue
- May 18Facebook, Inc.
- Mar 2Yelp
- Feb 17Brightcove
2011
5 events- Dec 16Zynga
- Dec 13Google→AdMeld
- Jun 15Pandora Media
- May 24Yandex
- Jan 28Comcast→NBCUniversal
2010
2 events- May 27Google→AdMob
- Jan 5Apple→Quattro Wireless
2009
1 event- Sep 15Adobe→Omniture
2007
5 events- Jun 27comScore
- May 18Microsoft→aQuantive
- May 17WPP→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→Time Warner
1999
1 event- Aug 13DoubleClick→NetGravity
1998
2 events- Aug 1424/7 Media
- Feb 20DoubleClick
1996
1 event- Apr 12Yahoo!
A note on coverage: ATDb tracks 267 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.
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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
- LiveRampacquired by Publicis Groupe, 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
- Sounderacquired by Triton Digital, 2024
- VIZIOacquired by Walmart Inc., 2024
- Flywheel Digitalacquired by Omnicom Group, 2024