Investor Lists

Series B advertising & Adtech investors

Updated 7 November 2026

Firms we have watched take part in a Series B 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 40 →The top 25
40investors on the listNo change this week
2,180cheques in 12 months-21% against the market
$6Mmedian round they joined-24% against the market median
100%wrote a cheque in 12 months
63%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. 3BpifranceDeploying nowGovernment · France1,151$4.5Mmedian roundOct 2026last seen
  4. 4Kima VenturesDeploying nowVC firm · France859$4.2Mmedian roundNov 2026last seen
  5. 5AntlerDeploying nowVC firm · United Kingdom729$1Mmedian roundNov 2026last seen
  6. 6Norwest Venture PartnersDeploying nowVC firm · United States705$25Mmedian roundOct 2026last seen
  7. 7BenchmarkDeploying nowVC firm · United States587$30Mmedian roundOct 2026last seen
  8. 8SVB CapitalDeploying nowVC firm · United States564$20Mmedian roundOct 2026last seen
  9. 9B CapitalDeploying nowVC firm · United States495$14Mmedian roundOct 2026last seen
  10. 10Craft VenturesDeploying nowVC firm · United States283$14Mmedian roundOct 2026last seen
  11. 11Callaghan InnovationDeploying nowInvestment firm · New Zealand254$109Kmedian roundSept 2026last seen
  12. 12Forerunner VenturesDeploying nowVC firm · United States225$20Mmedian roundOct 2026last seen
  13. 13Nissay CapitalDeploying nowVC firm · Japan221$3.5Mmedian roundOct 2026last seen
  14. 14ParkwalkDeploying nowVC firm · United Kingdom209$6.9Mmedian roundOct 2026last seen
  15. 15Icehouse VenturesDeploying nowVC firm · New Zealand179$2.4Mmedian roundOct 2026last seen
  16. 16Bayern KapitalDeploying nowGovernment · Germany173$7.1Mmedian roundOct 2026last seen
  17. 17N1Deploying nowVC firm · Luxembourg134$1.4Mmedian roundSept 2026last seen
  18. 18Leo CapitalDeploying nowVC firm · United States130$4.7Mmedian roundOct 2026last seen
  19. 19Elevation CapitalDeploying nowVC firm · Canada128$10Mmedian roundOct 2026last seen
  20. 20AlleyCorpDeploying nowVenture studio · United States122$10Mmedian roundSept 2026last seen
  21. 21NTT DOCOMO VenturesDeploying nowAccelerator · Japan115$12Mmedian roundOct 2026last seen
  22. 22PurpleDeploying nowVC firm · France110$3Mmedian roundSept 2026last seen
  23. 23Oxford Science EnterprisesDeploying nowVC firm · United Kingdom108$11Mmedian roundNov 2026last seen
  24. 24Triangle Tweener FundDeploying nowVC firm · United States102$4.2Mmedian roundJun 2026last seen
  25. 25Founders FutureDeploying nowAccelerator · France82$6.3Mmedian roundOct 2026last seen
15 more on this list

All 40 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 series B advertising & Adtech investors

Who are the most active series B advertising & Adtech investors?

By cheques observed, the most active are Y Combinator, Techstars, Bpifrance, Kima Ventures and Antler.

How many series B advertising & Adtech investors are there?

40 are on record. 100% made an investment in the last 12 months and 63% have led a round.

Which stages do series B advertising & Adtech investors back?

Of the rounds with a named stage in the last 12 months, mostly Seed (27%) and Pre-seed (25%).

How big are the rounds series B advertising & Adtech investors join?

The typical (median) round among the leading investors here is $6.3M.

Which sectors do series B advertising & Adtech investors back most?

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

Which series B advertising & Adtech investors lead the most rounds?

Norwest Venture Partners (23 led), Benchmark (18 led) and Forerunner Ventures (17 led).

Where are series B advertising & Adtech investors based?

Among the most active, most are based in the United States (11), France (4) and the United Kingdom (3).

What have series B advertising & Adtech investors invested in recently?

Recent rounds include Alethio Therapeutics (Series A, Nov 2026, with Oxford Science Enterprises), Lazarus AI (Nov 2026, with Techstars) and AQQI (Seed, Nov 2026, with Axeleo Capital).

Built from the rounds we watched, refreshed every night. How we count · Report a correction