# Advertising & Adtech investors in North America (2026 list) > 192 advertising & Adtech investors in North America, 97% active in the last 12 months. Led by Y Combinator, Techstars, 500 Global. Ranked by what they funded. Source: https://millionrounds.com/lists/adtech-investors-in-north-america (Millionrounds; every figure on the page links to its filing or article) [Investor Lists](https://millionrounds.com/lists) # Advertising & Adtech investors in North America Updated 7 November 2026 Firms observed backing an advertising & Adtech company in North America in the last two years, wherever the firm is based. [See all 192 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fadtech-investors-in-north-america)The top 25 **192** investors on the list *-7* this week **7,393** cheques in 12 months *-14%* against the market **$10M** median round they joined *+25%* against the market median **97%** wrote a cheque in 12 months **66%** have led a round ## The Top 25 Ordered by cheques observed, never by anything anyone paid for Deploying now (25) - 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) *Deploying now* Accelerator · United States **6,412** **$3M** median round **Oct 2026** last seen - 2 [Techstars](https://millionrounds.com/fund/techstars) *Deploying now* VC firm · United States **2,989** **$1.2M** median round **Nov 2026** last seen - 3 [500 Global](https://millionrounds.com/fund/500-startups) *Deploying now* Angel · United States **2,140** **$3.6M** median round **Oct 2026** last seen - 4 [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) *Deploying now* VC firm · United States **2,099** **$35M** median round **Nov 2026** last seen - 5 [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) *Deploying now* VC firm · United States **1,661** **$27M** median round **Nov 2026** last seen - 6 [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) *Deploying now* VC firm · United States **1,610** **$34M** median round **Oct 2026** last seen - 7 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) *Deploying now* VC firm · United States **1,598** **$12M** median round **Nov 2026** last seen - 8 [Plug and Play](https://millionrounds.com/fund/plug-and-play) *Deploying now* Accelerator · United States **1,561** **$5M** median round **Nov 2026** last seen - 9 [General Catalyst](https://millionrounds.com/fund/general-catalyst) *Deploying now* VC firm · United States **1,387** **$27M** median round **Nov 2026** last seen - 10 [SV Angel](https://millionrounds.com/fund/sv-angel) *Deploying now* VC firm · United States **1,349** **$18M** median round **Oct 2026** last seen - 11 [Accel](https://millionrounds.com/fund/accel) *Deploying now* VC firm · United States **1,341** **$32M** median round **Nov 2026** last seen - 12 [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) *Deploying now* VC firm · United States **1,341** **$35M** median round **Nov 2026** last seen - 13 [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) *Deploying now* VC firm · United States **1,128** **$26M** median round **Nov 2026** last seen - 14 [Founders Fund](https://millionrounds.com/fund/founders-fund) *Deploying now* VC firm · United States **1,122** **$15M** median round **Oct 2026** last seen - 15 [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) *Deploying now* VC firm · United States **1,038** **$30M** median round **Nov 2026** last seen - 16 [Index Ventures](https://millionrounds.com/fund/index-ventures) *Deploying now* VC firm · United Kingdom **1,027** **$31M** median round **Nov 2026** last seen - 17 [Gaingels](https://millionrounds.com/fund/gaingels) *Deploying now* Private equity · United States **1,010** **$8M** median round **Oct 2026** last seen - 18 [FJ Labs](https://millionrounds.com/fund/fj-labs) *Deploying now* VC firm · United States **849** **$11M** median round **Oct 2026** last seen - 19 [Right Side Capital Management](https://millionrounds.com/fund/right-side-capital-management) *Deploying now* VC firm · United States **834** **$875K** median round **Sept 2026** last seen - 20 [Google for Startups](https://millionrounds.com/fund/google-for-startups) *Deploying now* Accelerator · United States **811** **$1.4M** median round **Sept 2026** last seen - 21 [BoxGroup](https://millionrounds.com/fund/boxgroup) *Deploying now* VC firm · United States **773** **$18M** median round **Nov 2026** last seen - 22 [Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) *Deploying now* Private equity · United States **758** **$73M** median round **Oct 2026** last seen - 23 [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) *Deploying now* VC firm · United States **740** **$37M** median round **Oct 2026** last seen - 24 [Antler](https://millionrounds.com/fund/antler) *Deploying now* VC firm · United Kingdom **729** **$1M** median round **Nov 2026** last seen - 25 [Norwest Venture Partners](https://millionrounds.com/fund/norwest) *Deploying now* VC firm · United States **705** **$25M** median round **Oct 2026** last seen **167 more on this list** All 192 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000. [See the whole list *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fadtech-investors-in-north-america) ## The Newest Cheques Rounds this list's investors joined most recently - **7** Nov **[LionBio Therapeutics](https://millionrounds.com/company/lionbio-therapeutics)** Pre-seed · $6M *With* [South Park Commons](https://millionrounds.com/fund/south-park-commons) - **6** Nov **[Ocient](https://millionrounds.com/company/ocient)** Series C · $100M *With* [Greycroft](https://millionrounds.com/fund/greycroft) - **6** Nov **[Thinking Machines Lab](https://millionrounds.com/company/thinking-machines-lab)** Other · $5B *Led by* [Accel](https://millionrounds.com/fund/accel) - **6** Nov **[Harbinger](https://millionrounds.com/company/harbinger)** Series D+ · $240M *With* [Greycroft](https://millionrounds.com/fund/greycroft) - **5** Nov **[Siggy](https://millionrounds.com/company/siggy)** Pre-seed · $6M *Led by* [Village Global](https://millionrounds.com/fund/village-global-2) - **5** Nov **[firmly](https://millionrounds.com/company/firmly)** Series A · $15M *With* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) ## Stages This Year 4,594 rounds - Seed **20%** - Venture **19%** - Series A **17%** - Pre-seed **11%** - Series B **8%** - Other **25%** ## What They Backed Sectors, last 12 months - AI **2,107** - Fintech **327** - Big Data & Analytics **253** - Healthcare **251** - Biotech **218** - Financial Services **204** ## Cheques by Quarter Led Joined 2,160 Q1 25 2,250 Q2 25 2,420 Q3 25 2,492 Q4 25 2,291 Q1 26 2,041 Q2 26 1,634 Q3 26 454 Q4 26 The last bar is the quarter still running. ## Lists Like This - [AI investors in North America 3,859](https://millionrounds.com/lists/ai-investors-in-north-america) - [AI investors in Europe 2,283](https://millionrounds.com/lists/ai-investors-in-europe) - [Fintech investors in North America 1,309](https://millionrounds.com/lists/fintech-investors-in-north-america) - [Big Data & Analytics investors in North America 1,094](https://millionrounds.com/lists/big-data-investors-in-north-america) - [AI investors in Asia 1,047](https://millionrounds.com/lists/ai-investors-in-asia) - [Biotech investors in North America 1,001](https://millionrounds.com/lists/biotech-investors-in-north-america) - [Energy investors in North America 864](https://millionrounds.com/lists/energy-investors-in-north-america) - [Robotics investors in North America 848](https://millionrounds.com/lists/robotics-investors-in-north-america) - [Construction investors in North America 791](https://millionrounds.com/lists/construction-investors-in-north-america) [All investor lists *→*](https://millionrounds.com/lists) ## Quick answers about advertising & Adtech investors in North America ### Who are the most active advertising & Adtech investors in North America? By cheques observed, the most active are Y Combinator, Techstars, 500 Global, Sequoia Capital and Andreessen Horowitz. ### How many advertising & Adtech investors in North America are there? 192 are on record. 97% made an investment in the last 12 months and 66% have led a round. ### Which stages do advertising & Adtech investors in North America back? Of the rounds with a named stage in the last 12 months, mostly Seed (27%) and Series A (23%). ### How big are the rounds advertising & Adtech investors in North America join? The typical (median) round among the leading investors here is $18M. ### Which sectors do advertising & Adtech investors in North America back most? In the last 12 months, mostly AI, Fintech and Big Data & Analytics. ### Which advertising & Adtech investors in North America lead the most rounds? Andreessen Horowitz (114 led), Accel (103 led) and General Catalyst (97 led). ### Where are advertising & Adtech investors in North America based? Most of the leading investors here are based in the United States (23 of the top 25); the rest in the United Kingdom. ### What have advertising & Adtech investors in North America invested in recently? Recent rounds include LionBio Therapeutics (Pre-seed, Nov 2026, with South Park Commons), Ocient (Series C, Nov 2026, with Greycroft) and Thinking Machines Lab (Other, Nov 2026, with Accel). Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)