Investor Lists

Seed B2B investors

Updated 7 November 2026

Firms we have watched take part in a seed round raised by a B2B company in the last two years. Both the stage and the sector are what they did, not what their website says.

See all 293 →The top 25
293investors on the list-2 this week
6,225cheques in 12 months-22% against the market
$4.3Mmedian round they joined-46% against the market median
82%wrote a cheque in 12 months
49%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. 4Andreessen HorowitzDeploying nowVC firm · United States1,661$27Mmedian roundNov 2026last seen
  5. 5Alumni VenturesDeploying nowVC firm · United States1,598$12Mmedian roundNov 2026last seen
  6. 6Plug and PlayDeploying nowAccelerator · United States1,561$5Mmedian roundNov 2026last seen
  7. 7General CatalystDeploying nowVC firm · United States1,387$27Mmedian roundNov 2026last seen
  8. 8Lightspeed Venture PartnersDeploying nowVC firm · United States1,341$35Mmedian roundNov 2026last seen
  9. 9Founders FundDeploying nowVC firm · United States1,122$15Mmedian roundOct 2026last seen
  10. 10GaingelsDeploying nowPrivate equity · United States1,010$8Mmedian roundOct 2026last seen
  11. 11MassChallengeDeploying nowAccelerator · United States984$1.8Mmedian roundSept 2026last seen
  12. 12FJ LabsDeploying nowVC firm · United States849$11Mmedian roundOct 2026last seen
  13. 13Google for StartupsDeploying nowAccelerator · United States811$1.4Mmedian roundSept 2026last seen
  14. 14Menlo VenturesDeploying nowVC firm · United States740$37Mmedian roundOct 2026last seen
  15. 15AntlerDeploying nowVC firm · United Kingdom729$1Mmedian roundNov 2026last seen
  16. 16Norwest Venture PartnersDeploying nowVC firm · United States705$25Mmedian roundOct 2026last seen
  17. 17Liquid 2 VenturesDeploying nowVC firm · United States636$7Mmedian roundOct 2026last seen
  18. 18Korea Tech Incubator Program For StartupDeploying nowGovernment · South Korea597$2.1Mmedian roundSept 2026last seen
  19. 19SVB CapitalDeploying nowVC firm · United States564$20Mmedian roundOct 2026last seen
  20. 20Pioneer FundDeploying nowPrivate equity · United States551$2.9Mmedian roundNov 2026last seen
  21. 21FlybridgeDeploying nowVC firm · United States534$5Mmedian roundSept 2026last seen
  22. 22Bain Capital VenturesDeploying nowVC firm · United States524$27Mmedian roundNov 2026last seen
  23. 23SeedcampDeploying nowVC firm · United Kingdom519$5Mmedian roundNov 2026last seen
  24. 24Global Brain CorporationDeploying nowVC firm · Japan480$7.6Mmedian roundSept 2026last seen
  25. 25Soma CapitalDeploying nowVC firm · United States456$4.2Mmedian roundOct 2026last seen
268 more on this list

All 293 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 B2B investors

Who are the most active seed B2B investors?

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

How many seed B2B investors are there?

293 are on record. 82% made an investment in the last 12 months and 49% have led a round.

Which stages do seed B2B investors back?

Of the rounds with a named stage in the last 12 months, mostly Seed (30%) and Series A (22%).

How big are the rounds seed B2B investors join?

The typical (median) round among the leading investors here is $7M.

Which sectors do seed B2B investors back most?

In the last 12 months, mostly AI, Fintech and Healthcare.

Which seed B2B investors lead the most rounds?

Andreessen Horowitz (114 led), General Catalyst (97 led) and Lightspeed Venture Partners (83 led).

Where are seed B2B investors based?

Most of the leading investors here are based in the United States (21 of the top 25); the rest in the United Kingdom and South Korea.

What have seed B2B investors invested in recently?

Recent rounds include Water Ledger Global (Other, Nov 2026, with Launch Africa), ArrayPatch (Seed, Nov 2026, with Enterprise Ireland) and Siggy (Pre-seed, Nov 2026, with Gokul Rajaram).

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