# Advertising & Adtech investors (2026 list) > 372 advertising & Adtech investors, 95% 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 (Millionrounds; every figure on the page links to its filing or article) [Investor Lists](https://millionrounds.com/lists) # Advertising & Adtech investors Updated 7 November 2026 Firms observed backing an advertising & Adtech company in the last two years, taken from what they funded rather than from what their website says they like. [See all 372 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fadtech-investors)The top 25 **372** investors on the list *-2* this week **10,503** cheques in 12 months *-15%* against the market **$8M** median round they joined *+0%* against the market median **95%** wrote a cheque in 12 months **58%** 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 [Bpifrance](https://millionrounds.com/fund/bpifrance) *Deploying now* Government · France **1,151** **$4.5M** median round **Oct 2026** last seen - 14 [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) *Deploying now* VC firm · United States **1,128** **$26M** median round **Nov 2026** last seen - 15 [Founders Fund](https://millionrounds.com/fund/founders-fund) *Deploying now* VC firm · United States **1,122** **$15M** median round **Oct 2026** last seen - 16 [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 - 17 [Index Ventures](https://millionrounds.com/fund/index-ventures) *Deploying now* VC firm · United Kingdom **1,027** **$31M** median round **Nov 2026** last seen - 18 [Gaingels](https://millionrounds.com/fund/gaingels) *Deploying now* Private equity · United States **1,010** **$8M** median round **Oct 2026** last seen - 19 [Kima Ventures](https://millionrounds.com/fund/kima-ventures) *Deploying now* VC firm · France **859** **$4.2M** median round **Nov 2026** last seen - 20 [FJ Labs](https://millionrounds.com/fund/fj-labs) *Deploying now* VC firm · United States **849** **$11M** median round **Oct 2026** last seen - 21 [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 - 22 [Google for Startups](https://millionrounds.com/fund/google-for-startups) *Deploying now* Accelerator · United States **811** **$1.4M** median round **Sept 2026** last seen - 23 [BoxGroup](https://millionrounds.com/fund/boxgroup) *Deploying now* VC firm · United States **773** **$18M** median round **Nov 2026** last seen - 24 [Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) *Deploying now* Private equity · United States **758** **$73M** median round **Oct 2026** last seen - 25 [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) *Deploying now* VC firm · United States **740** **$37M** median round **Oct 2026** last seen **347 more on this list** All 372 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) ## 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 **[Physicl](https://millionrounds.com/company/physicl)** Seed · $10M *Led by* [Inovia Capital](https://millionrounds.com/fund/inovia-capital) - **6** Nov **[Future Secure AI](https://millionrounds.com/company/future-secure-ai)** Other · $80M *Led by* [Square Peg](https://millionrounds.com/fund/square-peg-2) - **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) ## Stages This Year 6,247 rounds - Seed **20%** - Venture **20%** - Series A **16%** - Pre-seed **10%** - Series B **8%** - Other **26%** ## What They Backed Sectors, last 12 months - AI **2,514** - Fintech **405** - Healthcare **349** - Biotech **333** - Big Data & Analytics **318** - Financial Services **259** ## Cheques by Quarter Led Joined 3,100 Q1 25 3,200 Q2 25 3,457 Q3 25 3,585 Q4 25 3,331 Q1 26 2,909 Q2 26 2,264 Q3 26 641 Q4 26 The last bar is the quarter still running. ## Lists Like This - [AI investors 7,040](https://millionrounds.com/lists/ai-investors) - [Fintech investors 2,997](https://millionrounds.com/lists/fintech-investors) - [Big Data & Analytics investors 1,954](https://millionrounds.com/lists/big-data-investors) - [Biotech investors 1,901](https://millionrounds.com/lists/biotech-investors) - [Robotics investors 1,714](https://millionrounds.com/lists/robotics-investors) - [Energy investors 1,707](https://millionrounds.com/lists/energy-investors) - [Construction investors 1,609](https://millionrounds.com/lists/construction-investors) - [Manufacturing investors 1,385](https://millionrounds.com/lists/manufacturing-investors) - [Cybersecurity investors 1,380](https://millionrounds.com/lists/cybersecurity-investors) [All investor lists *→*](https://millionrounds.com/lists) ## Quick answers about advertising & Adtech investors ### Who are the most active advertising & Adtech investors? By cheques observed, the most active are Y Combinator, Techstars, 500 Global, Sequoia Capital and Andreessen Horowitz. ### How many advertising & Adtech investors are there? 372 are on record. 95% made an investment in the last 12 months and 58% have led a round. ### Which stages do advertising & Adtech investors back? Of the rounds with a named stage in the last 12 months, mostly Seed (28%) and Series A (22%). ### How big are the rounds advertising & Adtech investors join? The typical (median) round among the leading investors here is $18M. ### Which sectors do advertising & Adtech investors back most? In the last 12 months, mostly AI, Fintech and Healthcare. ### Which advertising & Adtech investors lead the most rounds? Andreessen Horowitz (114 led), Accel (103 led) and General Catalyst (97 led). ### Where are advertising & Adtech investors based? Most of the leading investors here are based in the United States (22 of the top 25); the rest in France and the United Kingdom. ### What have advertising & Adtech investors invested in recently? Recent rounds include LionBio Therapeutics (Pre-seed, Nov 2026, with South Park Commons), Physicl (Seed, Nov 2026, with Inovia Capital) and Future Secure AI (Other, Nov 2026, with Square Peg). Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)