Yahoo! Inc. is a computer software and web search engine company founded on March 1, 1995. The company is a public corporation and its headquarters is located in Sunnyvale, California. It was founded by Stanford University graduate students Jerry Yang and David Filo in 1994. According to web traffic analysis companies, Yahoo has been one of the most visited websites on the Internet, with more than 130 million unique users per month in the United States alone.

Yahoo's first acquisition was the purchase of Net Controls, a web search engine company, in September 1997 for US$1.4 million. As of April 2008, the company's largest acquisition is the purchase of Broadcast.com, an Internet radio company, for $5.7 billion, making Broadcast.com co-founder Mark Cuban a billionaire. Most of the companies acquired by Yahoo are based in the United States; 78 of the companies are from the United States, and 15 are based in a foreign country. As of July 2015, the first incarnation of Yahoo had acquired 114 companies, with Polyvore being the latest.

In 2017, the first incarnation Yahoo! Inc. was purchased by Verizon Communications and merged with AOL. In May 2021, Verizon sold a majority stake in the combined company, then called Verizon Media, to Apollo Global Management, who restored the Yahoo! name.

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Acquisitions (1998 - 2017)

Date Company Business Country Value (USD) Adjusted (USD) Derived productsReferences Net Controls Web search engine $$ Yahoo! Search Four11 Web-based email $$ Yahoo! Mail Classic Games Online game —— Yahoo! Games Sportasy Fantasy sport —— Yahoo! Fantasy Sports Viaweb Web application $$ Yahoo! Store Webcal Calendaring software $$ Yahoo Calendar Yoyodyne Direct marketing $$ Yahoo! Search Marketing Hyperparallel Data analysis $$ Yahoo! Search Broadcast.com Internet radio $$ Yahoo! Music Radio (defunct) Encompass Internet service provider $$ Yahoo! GeoCities Web hosting service $$ Yahoo! GeoCities Online Anywhere Content delivery network $$ Yahoo! TV Arthas.com E-commerce payment systems —— Yahoo! Store MyQuest Internet service provider —— Yahoo! VivaSmart E-commerce $$ Yahoo! Shopping eGroups Electronic mailing list $$ Yahoo! Groups Web portal $$ Yahoo! Kimo Sold.com.au Online auction tools $$ Yahoo! Shopping LAUNCH Media Online music store $$ Yahoo! Music Hotjobs.com Job search engine $$ Yahoo! HotJobs Inktomi Corporation Internet service provider $$ Yahoo! Search Overture Services, Inc. Search engine marketing $$ Yahoo! Search Marketing 3721 Internet Assistant Browser helper object $$ Yahoo! Assistant Kelkoo Price comparison service $$ Kelkoo Oddpost Web-based email $$ Yahoo! Mail Musicmatch Jukebox Audio player $$ Yahoo! Music The All-Seeing Eye Game server browser —— Yahoo! Games Stata Labs Web-based email —— Yahoo! Mail WUF Networks Mobile media —— Yahoo! Mobile Verdisoft Wireless data sharing $$ Yahoo! Mobile Stadeon Online game —— Yahoo! Games Ludicorp Image hosting service $$ Flickr TeRespondo Advertising network —— Yahoo! Search Marketing Dialpad Voice over Internet Protocol —— Yahoo! Voice blo.gs Weblog software —— Yahoo! 360° Konfabulator Widget engine —— Yahoo! Widgets Upcoming.org Calendaring software —— Yahoo! Local Whereonearth Web mapping —— Yahoo! Search Marketing del.icio.us Social bookmarking $$ del.icio.us Webjay Online music store —— Yahoo! Music SearchFox Web search engine —— Yahoo! Search Meedio Digital video recorder —— Yahoo! Go Jumpcut.com Online video editing —— Yahoo! Video AdInterax Online advertising —— Yahoo! Search Marketing Bix.com Social media —— Bix Kenet Works Mobile software $$ Yahoo! Mobile Wretch Virtual community $$ Wretch MyBlogLog Social network service —— MyBlogLog Right Media Online advertising $$ Yahoo! Search Marketing Rivals.com College sports —— Yahoo! Sports BlueLithium Advertising network $$ Yahoo! Search Marketing BuzzTracker News site —— Yahoo! News Zimbra Collaborative software, Office Suite $$ Zimbra FoxyTunes Browser extension —— FoxyTunes Maven Networks Video on demand $$ Yahoo! Video Inquisitor Browser extension —— Inquisitor Xoopit Webmail applications $$ Yahoo! Mail Maktoob.com Social media $$ Maktoob.com citizensports.com Sports social media —— citizensports.com Associated Content Content farm $$ Associated Content Koprol Geosocial network —— Koprol Dapper SmartAds $$ Dapper Spreets Daily deals $$ Spreets IntoNow Recognize TV content $$ IntoNow Interclick Data driven advertising $$ Yahoo! Ad Network Stamped Social recommendation —— Yahoo! Mobile OnTheAir OnTheAir —— IntoNow Snip.it Social network $$ Snip.it Alike Social recommendation —— Yahoo! Mobile Jybe Social recommendation —— Jybe Summly News aggregation, summarization $$ Yahoo App Astrid Productivity —— Astrid GoPollGo Real-time surveys —— Yahoo Mobile Properties and Apps MileWise Flight rewards management —— Yahoo Mobile Properties and Apps Loki Studios Mobile gaming —— Yahoo Mobile Properties and Apps Tumblr Blogging $$ PlayerScale Online gaming —— Yahoo Mobile Properties and Apps GhostBird Software Mobile photography apps —— Yahoo Mobile Properties and Apps Rondee Video conferencing ——— Bignoggins Productions Fantasy sports ——— Qwiki Automated video production $$— Xobni CRM $$— Ztelic Social analytics ——— Lexity E-commerce analytics $$— Rockmelt News aggregator ——— IQ Engines Image recognition ——Flickr Hitpost Sports ——— Bread Advertising ——— LookFlow Image recognition ——Flickr SkyPhrase Natural language processing———— Ptch Video sharing $$— EvntLive Live and on-demand music playing ——— Quik.io Cross-platform video streaming ——— PeerCDN Content delivery network ——— Aviate Intelligent homescreen for the Android OS ——— SPARQ Mobile marketing ——— Cloud Party Virtual world gaming———— Tomfoolery Conversation platform ——— Incredible Labs Time management app ——— Wander Social diary ——— Distill Technical recruiting ——— Vizify Social media information transformation ——— Blink Mobile messaging ——— PhotoDrive Photo management ——— RayV Video streaming platform ——— Flurry Mobile analytics $$— ClarityRay Ad security ——— Luminate Advertising ——— Bookpad Document handling $$— MessageMe Messaging app —— Yahoo! Livetext BrightRoll Online video advertising $$— Cooliris Photo viewing ——— Media Group One Advertising and online video ——— Polyvore Clothing e-commerce website $$—

Acquisitions (2021 - present) Date Company Business Country Value (USD) Adjusted (USD) Derived productsReferences The Factual News rating service —— Yahoo! News Wagr Sports betting app —— Yahoo! Sports Commonstock Financial social platform —— Yahoo! Finance StrictlyVC Tech publication —— TechCrunch Artifact AI news app —— Yahoo! News

See also List of largest mergers and acquisitions Lists of corporate acquisitions and mergers

References