# Founders Fund's Advertising & Adtech Investments: 13 Startups in Its Portfolio (2026) > The 13 Advertising & Adtech startups Founders Fund has backed, by stage: $1.6B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/founders-fund-advertising-adtech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Pre-seed and seed 4 - [*O* Opal](https://millionrounds.com/company/opal) - [Contact](https://millionrounds.com/company/contact) - [Cassandra](https://millionrounds.com/company/cassandra) - [Toonstar](https://millionrounds.com/company/toonstar) ## Series B 3 - [Pattern](https://millionrounds.com/company/pattern) - [isocket](https://millionrounds.com/company/isocket) - [Sociable Labs](https://millionrounds.com/company/sociable-labs) ## Stage not reported 2 - [*C* Clearbanc](https://millionrounds.com/company/clearbanc) - [LawLytics](https://millionrounds.com/company/lawlytics) ## Series A 2 - [Lava](https://millionrounds.com/company/lava) - [Invisibly](https://millionrounds.com/company/invisibly) ## Series C and later 2 - [*U* Unity](https://millionrounds.com/company/unity) - [Clickable](https://millionrounds.com/company/clickable) ## Segment by segment ### Pre-seed and seed 4 startups · $74M raised - [*O* **Opal**](https://millionrounds.com/company/opal) United States $67M - [**Contact**](https://millionrounds.com/company/contact) Contact is a UK-based platform launched in 2020, designed to streamline bookings and payments for the fashion and creative industries. United Kingdom $3.7M - [**Cassandra**](https://millionrounds.com/company/cassandra) Cassandra is an AI-first Marketing Mix Modeling (MMM) and incrementality platform founded in January 2023 in Italy. Italy $2.2M - [**Toonstar**](https://millionrounds.com/company/toonstar) TOONSTAR is a Los Angeles-based animation studio founded in 2015 that focuses on creating entertainment franchises through AI-powe United States $2.0M ### Series B 3 startups · $434M raised - [**Pattern**](https://millionrounds.com/company/pattern) Pattern provides ecommerce solutions to accelerate brands on marketplaces. United States $412M - [**isocket**](https://millionrounds.com/company/isocket) iSocket is an advertising technology platform that specializes in programmatic direct advertising. United States $15M - [**Sociable Labs**](https://millionrounds.com/company/sociable-labs) SociableLabs is a community-driven online platform that aggregates coupon codes, promo codes, and discount deals from various reta United States $7.0M ### Stage not reported 2 startups · $171M raised - [*C* **Clearbanc**](https://millionrounds.com/company/clearbanc) Canada $170M - [**LawLytics**](https://millionrounds.com/company/lawlytics) Digital Marketing Suite For Lawyers. United States $1.0M ### Series A 2 startups · $285M raised - [**Lava**](https://millionrounds.com/company/lava) LAVA is an operator-led venture fund investing in pre-seed to pre-Series A companies using Web3 and AI to build the financial and United States $265M - [**Invisibly**](https://millionrounds.com/company/invisibly) Invisibly is a technology company based in St. United States $20M ### Series C and later 2 startups · $614M raised - [*U* **Unity**](https://millionrounds.com/company/unity) United States $581M - [**Clickable**](https://millionrounds.com/company/clickable) Clickable solves a problem other advertising technologies do not address- the Company helps advertisers and brands measure. United States $33M **How this map is made.** Every startup here works in Advertising & Adtech and has raised money in a round we track that names Founders Fund 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 **Founders Fund's AI portfolio** 121 startups · $406B](https://millionrounds.com/portfolio-maps/founders-fund-ai-portfolio)[Sector portfolio **Founders Fund's Web3 & Crypto portfolio** 54 startups · $5.7B](https://millionrounds.com/portfolio-maps/founders-fund-web3-crypto-portfolio)[Sector portfolio **Founders Fund's Fintech portfolio** 53 startups · $22B](https://millionrounds.com/portfolio-maps/founders-fund-fintech-portfolio)[Sector portfolio **Founders Fund's Biotech portfolio** 36 startups · $5.2B](https://millionrounds.com/portfolio-maps/founders-fund-biotech-portfolio)[Sector portfolio **Founders Fund's Internet portfolio** 27 startups · $9.7B](https://millionrounds.com/portfolio-maps/founders-fund-internet-portfolio)[Sector portfolio **Founders Fund's Healthtech portfolio** 24 startups · $3.0B](https://millionrounds.com/portfolio-maps/founders-fund-healthtech-portfolio) ## Raising from investors like Founders Fund? 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