Investor Lists

Series B martech investors

Updated 7 November 2026

Firms we have watched take part in a Series B round raised by a martech company in the last two years. Both the stage and the sector are what they did, not what their website says.

67investors on the list-3 this week
2,952cheques in 12 months-8% against the market
$14Mmedian round they joined+75% against the market median
97%wrote a cheque in 12 months
67%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. 2Sequoia CapitalDeploying nowVC firm · United States2,099$35Mmedian roundNov 2026last seen
  3. 3Andreessen HorowitzDeploying nowVC firm · United States1,661$27Mmedian roundNov 2026last seen
  4. 4New Enterprise AssociatesDeploying nowVC firm · United States1,610$34Mmedian roundOct 2026last seen
  5. 5Alumni VenturesDeploying nowVC firm · United States1,598$12Mmedian roundNov 2026last seen
  6. 6RedpointDeploying nowVC firm · United States742$32Mmedian roundNov 2026last seen
  7. 7Salesforce VenturesDeploying nowCorporate VC · United States649$26Mmedian roundNov 2026last seen
  8. 8FlybridgeDeploying nowVC firm · United States534$5Mmedian roundSept 2026last seen
  9. 9SeedcampDeploying nowVC firm · United Kingdom519$5Mmedian roundNov 2026last seen
  10. 10Spark CapitalDeploying nowVC firm · United States471$40Mmedian roundOct 2026last seen
  11. 11Coinbase VenturesDeploying nowCorporate VC · United States465$9.8Mmedian roundNov 2026last seen
  12. 12Union Square VenturesDeploying nowVC firm · United States407$17Mmedian roundNov 2026last seen
  13. 13Shasta VenturesDeploying nowVC firm · United States353$15Mmedian roundAug 2026last seen
  14. 14SBI InvestmentDeploying nowVC firm · Japan330$8.7Mmedian roundSept 2026last seen
  15. 15QED InvestorsDeploying nowVC firm · United States314$29Mmedian roundOct 2026last seen
  16. 16Korea Investment PartnersDeploying nowVC firm · South Korea298$8Mmedian roundNov 2026last seen
  17. 17Angel InvestDeploying nowVC firm · Germany282$1.5Mmedian roundNov 2026last seen
  18. 18Vertex VenturesDeploying nowVC firm · Mexico267$15Mmedian roundSept 2026last seen
  19. 19NorthzoneDeploying nowVC firm · United Kingdom240$22Mmedian roundOct 2026last seen
  20. 20Forerunner VenturesDeploying nowVC firm · United States225$20Mmedian roundOct 2026last seen
  21. 21Western Technology InvestmentDeploying nowVC firm · United States222$11Mmedian roundSept 2026last seen
  22. 22ReachDeploying nowVC firm · Canada217$5Mmedian roundSept 2026last seen
  23. 23Bloomberg BetaDeploying nowVC firm · United States206$8Mmedian roundSept 2026last seen
  24. 24Icehouse VenturesDeploying nowVC firm · New Zealand179$2.4Mmedian roundOct 2026last seen
  25. 25Blackbird VenturesDeploying nowVC firm · United States177$7Mmedian roundOct 2026last seen
42 more on this list

All 67 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000.

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Quick answers about series B martech investors

Who are the most active series B martech investors?

By cheques observed, the most active are Y Combinator, Sequoia Capital, Andreessen Horowitz, New Enterprise Associates and Alumni Ventures.

How many series B martech investors are there?

67 are on record. 97% made an investment in the last 12 months and 67% have led a round.

Which stages do series B martech investors back?

Of the rounds with a named stage in the last 12 months, mostly Seed (24%) and Series A (23%).

How big are the rounds series B martech investors join?

The typical (median) round among the leading investors here is $12M.

Which sectors do series B martech investors back most?

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

Which series B martech investors lead the most rounds?

Andreessen Horowitz (114 led), Sequoia Capital (91 led) and New Enterprise Associates (73 led).

Where are series B martech investors based?

Among the most active, most are based in the United States (17), the United Kingdom (2) and Japan (1).

What have series B martech investors invested in recently?

Recent rounds include Saidot (Nov 2026, with Crowberry Capital), Soter Insure (Series B, Nov 2026, with Coinbase Ventures) and firmly (Series A, Nov 2026, with Alumni Ventures).

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