Investor Lists

Series C collaboration Tools investors

Updated 7 November 2026

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

See all 26 →The top 25
26investors on the listNo change this week
1,925cheques in 12 months-4% against the market
$38Mmedian round they joined+375% against the market median
73%wrote a cheque in 12 months
54%have led a round

The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (19)

  1. 1Y CombinatorDeploying nowAccelerator · United States6,412$3Mmedian roundOct 2026last seen
  2. 2Sequoia CapitalDeploying nowVC firm · United States2,099$35Mmedian roundNov 2026last seen
  3. 3AccelDeploying nowVC firm · United States1,341$32Mmedian roundNov 2026last seen
  4. 4Lightspeed Venture PartnersDeploying nowVC firm · United States1,341$35Mmedian roundNov 2026last seen
  5. 5Index VenturesDeploying nowVC firm · United Kingdom1,027$31Mmedian roundNov 2026last seen
  6. 6Spark CapitalDeploying nowVC firm · United States471$40Mmedian roundOct 2026last seen
  7. 7Kleiner PerkinsDeploying nowVC firm · United States398$40Mmedian roundNov 2026last seen
  8. 8Valor Equity PartnersDeploying nowVC firm · United States261$50Mmedian roundNov 2026last seen
  9. 9Scale Venture PartnersDeploying nowVC firm · United States229$40Mmedian roundOct 2026last seen
  10. 10SignalFireDeploying nowVC firm · United States188$16Mmedian roundOct 2026last seen
  11. 11468 CapitalDeploying nowVC firm · Germany133$5.5Mmedian roundOct 2026last seen
  12. 12HOF CapitalDeploying nowVC firm · United States101$15Mmedian roundNov 2026last seen
  13. 13Seven Seven SixDeploying nowVC firm · United States83$9Mmedian roundSept 2026last seen
  14. 14DG VENTURESDeploying nowAccelerator · United States70$2.9Mmedian roundSept 2026last seen
  15. 15Designer FundDeploying nowVC firm · United States60$11Mmedian roundJul 2026last seen
  16. 16NFDGDeploying nowGrowth equity · United States12$113Mmedian roundJun 2026last seen
  17. 17Ilkka PaananenquietVC firm · Finland4$82Mmedian roundJun 2025last seen
  18. 18Fellows FundDeploying nowVC firm · United States3$38Mmedian roundApr 2026last seen
  19. 19Leonis CapitalDeploying nowVC firm · United States3$5.6Mmedian roundOct 2026last seen
  20. 2001ADeploying nowGrowth equity3$100Mmedian roundJun 2026last seen
  21. 21Apollo ProjectsquietVC firm1$38Mmedian roundSept 2025last seen
  22. 22TK VenturesquietVC firm · Singapore1$82Mmedian roundJun 2025last seen
  23. 23indie.vcquietVC firm · United States1$82Mmedian roundJun 2025last seen
  24. 24Jeff WeinsteinquietAngel1$82Mmedian roundJun 2025last seen
  25. 25Lauren & Vlad LoktevquietGrowth equity1$82Mmedian roundJun 2025last seen
1 more on this list

All 26 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 →

Reading for founders at Series B and scaling

More books for founders and investors on the Reading List.

As an Amazon Associate we earn from qualifying purchases.

Quick answers about series C collaboration Tools investors

Who are the most active series C collaboration Tools investors?

By cheques observed, the most active are Y Combinator, Sequoia Capital, Accel, Lightspeed Venture Partners and Index Ventures.

How many series C collaboration Tools investors are there?

26 are on record. 73% made an investment in the last 12 months and 54% have led a round.

Which stages do series C collaboration Tools investors back?

Of the rounds with a named stage in the last 12 months, mostly Seed (22%) and Series A (21%).

How big are the rounds series C collaboration Tools investors join?

The typical (median) round among the leading investors here is $38M.

Which sectors do series C collaboration Tools investors back most?

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

Which series C collaboration Tools investors lead the most rounds?

Accel (103 led), Sequoia Capital (91 led) and Lightspeed Venture Partners (83 led).

Where are series C collaboration Tools investors based?

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

What have series C collaboration Tools investors invested in recently?

Recent rounds include Thinking Machines Lab (Other, Nov 2026, with Accel), Zipline (Growth, Nov 2026, with Valor Equity Partners) and Phaze Inc. (Seed, Nov 2026, with Index Ventures).

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