Investor Lists

Seed advertising & Adtech investors

Updated 7 November 2026

Firms we have watched take part in a seed round raised by an advertising & Adtech company in the last two years. Both the stage and the sector are what they did, not what their website says.

See all 108 →The top 25
108investors on the list+2 this week
4,362cheques in 12 months-20% against the market
$5.8Mmedian round they joined-28% against the market median
95%wrote a cheque in 12 months
51%have led a round

The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (25)

  1. 1Y CombinatorDeploying nowAccelerator · United States6,412$3Mmedian roundOct 2026last seen
  2. 2TechstarsDeploying nowVC firm · United States2,989$1.2Mmedian roundNov 2026last seen
  3. 3500 GlobalDeploying nowAngel · United States2,140$3.6Mmedian roundOct 2026last seen
  4. 4Sequoia CapitalDeploying nowVC firm · United States2,099$35Mmedian roundNov 2026last seen
  5. 5Andreessen HorowitzDeploying nowVC firm · United States1,661$27Mmedian roundNov 2026last seen
  6. 6Plug and PlayDeploying nowAccelerator · United States1,561$5Mmedian roundNov 2026last seen
  7. 7BpifranceDeploying nowGovernment · France1,151$4.5Mmedian roundOct 2026last seen
  8. 8Founders FundDeploying nowVC firm · United States1,122$15Mmedian roundOct 2026last seen
  9. 9Index VenturesDeploying nowVC firm · United Kingdom1,027$31Mmedian roundNov 2026last seen
  10. 10Kima VenturesDeploying nowVC firm · France859$4.2Mmedian roundNov 2026last seen
  11. 11Google for StartupsDeploying nowAccelerator · United States811$1.4Mmedian roundSept 2026last seen
  12. 12AntlerDeploying nowVC firm · United Kingdom729$1Mmedian roundNov 2026last seen
  13. 13Bossa InvestDeploying nowVC firm · Brazil657$6.7Mmedian roundOct 2026last seen
  14. 14Korea Tech Incubator Program For StartupDeploying nowGovernment · South Korea597$2.1Mmedian roundSept 2026last seen
  15. 15FlybridgeDeploying nowVC firm · United States534$5Mmedian roundSept 2026last seen
  16. 16Founder CollectiveDeploying nowVC firm · United States502$8Mmedian roundSept 2026last seen
  17. 17Enterprise IrelandDeploying nowGovernment · Ireland447$1.8Mmedian roundNov 2026last seen
  18. 18Partech VenturesDeploying nowVC firm · France444$15Mmedian roundOct 2026last seen
  19. 19CoatueDeploying nowVC firm · United States404$85Mmedian roundOct 2026last seen
  20. 20Mizuho CapitalDeploying nowVC firm · Japan397$6.5Mmedian roundNov 2026last seen
  21. 21Correlation VenturesDeploying nowVC firm · United States395$9Mmedian roundNov 2026last seen
  22. 22Inovia CapitalDeploying nowVC firm · Canada328$11Mmedian roundNov 2026last seen
  23. 23Peak XVDeploying nowVC firm · United States317$15Mmedian roundNov 2026last seen
  24. 24Angel InvestDeploying nowVC firm · Germany282$1.5Mmedian roundNov 2026last seen
  25. 25Japan Finance CorporationDeploying nowInvestment firm · Japan247$2Mmedian roundOct 2026last seen
83 more on this list

All 108 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 →

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Quick answers about seed advertising & Adtech investors

Who are the most active seed advertising & Adtech investors?

By cheques observed, the most active are Y Combinator, Techstars, 500 Global, Sequoia Capital and Andreessen Horowitz.

How many seed advertising & Adtech investors are there?

108 are on record. 95% made an investment in the last 12 months and 51% have led a round.

Which stages do seed advertising & Adtech investors back?

Of the rounds with a named stage in the last 12 months, mostly Seed (29%) and Series A (21%).

How big are the rounds seed advertising & Adtech investors join?

The typical (median) round among the leading investors here is $5M.

Which sectors do seed advertising & Adtech investors back most?

In the last 12 months, mostly AI, Fintech and Big Data & Analytics.

Which seed advertising & Adtech investors lead the most rounds?

Andreessen Horowitz (114 led), Sequoia Capital (91 led) and Index Ventures (62 led).

Where are seed advertising & Adtech investors based?

Among the most active, most are based in the United States (13), France (3) and the United Kingdom (2).

What have seed 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 · Report a correction