# Y Combinator's Advertising & Adtech Investments: 56 Startups in Its Portfolio (2026) > The 56 Advertising & Adtech startups Y Combinator has backed, by stage: $1.4B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/y-combinator-advertising-adtech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Pre-seed and seed 30 - [Velvet](https://millionrounds.com/company/velvet) - [*S* SKIO](https://millionrounds.com/company/skio) - [Boostable](https://millionrounds.com/company/boostable) - [Mayan](https://millionrounds.com/company/mayan) - [Virool](https://millionrounds.com/company/virool) - [*L* Lovd.com](https://millionrounds.com/company/lovd-com) - [Podsights](https://millionrounds.com/company/podsights) - [Reforged Labs](https://millionrounds.com/company/reforged-labs) - [Lumen Research](https://millionrounds.com/company/lumen-research) - [Attrace](https://millionrounds.com/company/attrace) - [MutualMarkets](https://millionrounds.com/company/mutualmarkets) - [LightBox TV](https://millionrounds.com/company/lightbox-tv) - [Relixir](https://millionrounds.com/company/relixir) - [Her](https://millionrounds.com/company/her) - [Booktrope](https://millionrounds.com/company/booktrope) - [College Pulse](https://millionrounds.com/company/college-pulse) - [DemandSphere](https://millionrounds.com/company/demandsphere) - [Referly](https://millionrounds.com/company/referly) - [Uplane](https://millionrounds.com/company/uplane) - [Epinium](https://millionrounds.com/company/epinium) - [*B* Bluma](https://millionrounds.com/company/bluma) - [Absurd](https://millionrounds.com/company/absurd) - [Aditto](https://millionrounds.com/company/aditto) - [getcrux](https://millionrounds.com/company/getcrux) +6 more ## Series A 10 - [Velocity](https://millionrounds.com/company/velocity) - [Rembrand](https://millionrounds.com/company/rembrand) - [Boostly](https://millionrounds.com/company/boostly) - [Taiv](https://millionrounds.com/company/taiv) - [Breef](https://millionrounds.com/company/breef) - [FanAI](https://millionrounds.com/company/fanai) - [Popular Pays](https://millionrounds.com/company/popular-pays) - [*Z* Zyper](https://millionrounds.com/company/zyper) - [Podchaser](https://millionrounds.com/company/podchaser) - [Picnic Media Limited](https://millionrounds.com/company/picnic-media-limited) ## Series B 8 - [Nativo](https://millionrounds.com/company/nativo) - [Agentio](https://millionrounds.com/company/agentio) - [Metadata](https://millionrounds.com/company/metadata) - [*S* Survata](https://millionrounds.com/company/survata) - [Upwave](https://millionrounds.com/company/upwave) - [*H* Heyzap](https://millionrounds.com/company/heyzap) - [*S* Storetail](https://millionrounds.com/company/storetail) - [*PP* Popular Pay](https://millionrounds.com/company/popular-pay) ## Series C and later 5 - [Cortex](https://millionrounds.com/company/cortex) - [PebblePost](https://millionrounds.com/company/pebblepost) - [Permutive](https://millionrounds.com/company/permutive) - [ShopMy](https://millionrounds.com/company/shopmy) - [Postscript](https://millionrounds.com/company/postscript) ## Stage not reported 3 - [Lob](https://millionrounds.com/company/lob) - [Veritonic](https://millionrounds.com/company/veritonic) - [Talkable](https://millionrounds.com/company/talkable) ## Segment by segment ### Pre-seed and seed 30 startups · $430M raised - [**Velvet**](https://millionrounds.com/company/velvet) The digital analyst for private markets United States $202M - [*S* **SKIO**](https://millionrounds.com/company/skio) China $167M - [**Boostable**](https://millionrounds.com/company/boostable) Boostable is a marketing agency based in Melbourne that specializes in web design, SEO, local SEO, and e-commerce services. United States $8.2M - [**Mayan**](https://millionrounds.com/company/mayan) Mayan Group, Inc. United States $8.0M - [**Virool**](https://millionrounds.com/company/virool) Virool is a programmatic video marketing platform. United States $6.6M - [*L* **Lovd.com**](https://millionrounds.com/company/lovd-com) Buy and sell previously Lovd goods. - $4.5M - [**Podsights**](https://millionrounds.com/company/podsights) Podsights builds the tools to take podcast advertising from guesswork to a science. United States $4.0M - [**Reforged Labs**](https://millionrounds.com/company/reforged-labs) Reforged Labs Boa is the AI creative intelligence agent that answers all your questions about what ads are performing, why they wo United States $3.9M ### Series A 10 startups · $258M raised - [**Velocity**](https://millionrounds.com/company/velocity) Our mission at Velocity is to help founders go further, faster. United Kingdom $105M - [**Rembrand**](https://millionrounds.com/company/rembrand) Rembrand is a technology company based in Palo Alto, California, founded in 2022. United States $61M - [**Boostly**](https://millionrounds.com/company/boostly) Boostly is a marketing platform designed specifically for restaurants, offering a comprehensive SMS marketing system and marketing United States $22M - [**Taiv**](https://millionrounds.com/company/taiv) Taiv replaces commercials on live TV so that businesses can show more relevant advertisements instead. Canada $17M - [**Breef**](https://millionrounds.com/company/breef) Breef is a digital marketplace and agency matchmaking platform that connects brands with vetted marketing, advertising, and creati United States $16M - [**FanAI**](https://millionrounds.com/company/fanai) FanAI is an AI-driven audience monetization platform. United States $14M - [**Popular Pays**](https://millionrounds.com/company/popular-pays) Popular Pays is a platform that connects brands with creators who make content worth sharing. United States $13M - [*Z* **Zyper**](https://millionrounds.com/company/zyper) United Kingdom $6.5M ### Series B 8 startups · $199M raised - [**Nativo**](https://millionrounds.com/company/nativo) Nativo is an advertising technology platform for brand advertisers and publishers to scale, automate, and measure native ads. United States $56M - [**Agentio**](https://millionrounds.com/company/agentio) Agentio is an AI-powered ad platform that simplifies the acquisition of sponsored creator content. United States $52M - [**Metadata**](https://millionrounds.com/company/metadata) Metadata eliminates manual and repetitive work for b2b marketers so they can focus on strategy and creativity. United States $40M - [*S* **Survata**](https://millionrounds.com/company/survata) United States $22M - [**Upwave**](https://millionrounds.com/company/upwave) Upwave. Germany $14M - [*H* **Heyzap**](https://millionrounds.com/company/heyzap) Heyzap is a premier mobile ad network that helps millions of users discover apps they love. United States $8.0M - [*S* **Storetail**](https://millionrounds.com/company/storetail) Storetail is the platform of E-Retail Technologies pioneer in Trade Marketing Online solutions. France $6.1M - [*PP* **Popular Pay**](https://millionrounds.com/company/popular-pay) United States $1.1M ### Series C and later 5 startups · $476M raised - [**Cortex**](https://millionrounds.com/company/cortex) Cortex Intelligence, based in São Paulo, Brazil, is a prominent technology firm specializing in Go-to-Market (GTM) intelligence, d United States $151M - [**PebblePost**](https://millionrounds.com/company/pebblepost) PebblePost provides marketers a way to transform recent online data into intelligent direct mail programs that perform. United States $109M - [**Permutive**](https://millionrounds.com/company/permutive) Permutive is a London-based technology company that specializes in predictive data collaboration for the open internet. United Kingdom $76M - [**ShopMy**](https://millionrounds.com/company/shopmy) ShopMy is a creator-centric ecosystem and affiliate marketing platform founded in 2020. United States $70M - [**Postscript**](https://millionrounds.com/company/postscript) Postscript is a leading SMS revenue platform tailored for e-commerce stores, particularly Shopify brands. United States $70M ### Stage not reported 3 startups · $34M raised - [**Lob**](https://millionrounds.com/company/lob) Lob is a direct mail automation platform based in San Francisco, founded in 2013. United States $30M - [**Veritonic**](https://millionrounds.com/company/veritonic) Veritonic is a New York-based audio effectiveness and analytics platform founded in 2015. United States $2.8M - [**Talkable**](https://millionrounds.com/company/talkable) Talkable is a premium enterprise referral marketing platform founded in 2010 and headquartered in San Francisco, California, with United States $1.2M **How this map is made.** Every startup here works in Advertising & Adtech and has raised money in a round we track that names Y Combinator as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Sector portfolio **Y Combinator's AI portfolio** 1,143 startups · $44B](https://millionrounds.com/portfolio-maps/y-combinator-ai-portfolio)[Sector portfolio **Y Combinator's Fintech portfolio** 338 startups · $24B](https://millionrounds.com/portfolio-maps/y-combinator-fintech-portfolio)[Sector portfolio **Y Combinator's Big Data & Analytics portfolio** 201 startups · $3.4B](https://millionrounds.com/portfolio-maps/y-combinator-big-data-analytics-portfolio)[Sector portfolio **Y Combinator's Healthtech portfolio** 150 startups · $4.2B](https://millionrounds.com/portfolio-maps/y-combinator-healthtech-portfolio)[Sector portfolio **Y Combinator's IT Services portfolio** 148 startups · $840M](https://millionrounds.com/portfolio-maps/y-combinator-it-services-portfolio)[Sector portfolio **Y Combinator's Web3 & Crypto portfolio** 139 startups · $7.4B](https://millionrounds.com/portfolio-maps/y-combinator-web3-crypto-portfolio) ## Raising from investors like Y Combinator? 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