Investor Lists

Investors based in Ann Arbor

Updated 7 November 2026

Firms with an address in Ann Arbor. A head office is a fact about the firm; where it invests is on its own page.

See all 86 →The top 25
86investors on the listNo change this week
2cheques in 12 monthsToo few cheques to tell
$6Mmedian round they joined-25% against the market median
2%wrote a cheque in 12 months
5%have led a round

The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (2)

  1. 1Ann Arbor SPARKquietAccelerator · United States82$9.2Mmedian roundAug 2019last seen
  2. 2Arboretum VenturesDeploying nowVC firm · United States54$26Mmedian roundMar 2026last seen
  3. 3RPM VenturesDeploying nowVC firm · United States46$40Mmedian roundSept 2026last seen
  4. 4EDF VenturesquietVC firm · United States26$23Mmedian roundMar 2019last seen
  5. 5Huron River VenturesquietVC firm · United States24$8Mmedian roundJan 2018last seen
  6. 6Michigan Angel FundquietAngel network · United States11$3.5Mmedian roundJul 2019last seen
  7. 7Resonant Venture PartnersquietVC firm · United States11$15Mmedian roundMar 2017last seen
  8. 8Augment VenturesquietVC firm · United States10$5.7Mmedian roundMar 2015last seen
  9. 9RSVP CapitalquietVC firm · United States10$5.3Mmedian roundSept 2015last seen
  10. 10Wolverine Venture FundquietVC firm · United States6$5.1Mmedian roundSept 2015last seen
  11. 11eLab VenturesquietVC firm · United States5$2Mmedian roundAug 2019last seen
  12. 12University of Michigan Ross Social Venture FundquietVC firm · United States3$2.9Mmedian roundApr 2013last seen
  13. 131701 HoldingsquietFamily office · United States2$13Mmedian roundMay 2012last seen
  14. 14Arbor InvestmentsquietPrivate equity · United States2$5.2Mmedian roundJan 2005last seen
  15. 15Tappan Hill VenturesquietVC firm · United States2$18Mmedian roundApr 2017last seen
  16. 16Amherst Fund, LLCquietPrivate equity · United States1$600Kmedian roundJan 2013last seen
  17. 17Arts AlliancequietInvestment firm · United States1$13Mmedian roundJun 2019last seen
  18. 18CFI GroupquietInvestment firm · United States1$20Mmedian roundApr 2007last seen
  19. 19Endurance VenturesquietVC firm · United States1$3.7Mmedian round-last seen
  20. 20LimnoTechquietGovernment · United States1$100Kmedian roundJan 2014last seen
  21. 21Plymouth GrowthquietVC firm · United States1$6.3Mmedian roundJun 2019last seen
  22. 22Underground PrintingquietInvestment firm · United States1$200Kmedian roundJun 2012last seen
  23. 23496 VenturesunknownVC firm · United Statesnone observed-median round-last seen
  24. 24A2 Venture LabsunknownVC firm · United Statesnone observed-median round-last seen
  25. 25Accelerate Blue FundunknownVC firm · United Statesnone observed-median round-last seen
61 more on this list

All 86 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 investors based in Ann Arbor

Who are the most active investors based in Ann Arbor?

By cheques observed, the most active are Ann Arbor SPARK, Arboretum Ventures, RPM Ventures, EDF Ventures and Huron River Ventures.

How many investors based in Ann Arbor are there?

86 are on record. 2% made an investment in the last 12 months and 5% have led a round.

Which stages do investors based in Ann Arbor back?

Of the rounds with a named stage in the last 12 months, mostly Series C (100%).

How big are the rounds investors based in Ann Arbor join?

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

Which sectors do investors based in Ann Arbor back most?

In the last 12 months, mostly Aerospace & Space, Healthcare and IoT.

Which investors based in Ann Arbor lead the most rounds?

Arboretum Ventures (2 led), RPM Ventures (1 led) and Michigan Angel Fund (1 led).

What have investors based in Ann Arbor invested in recently?

Recent rounds include Hubble Network (Series C, Sept 2026, with RPM Ventures), Endogenex (Series C, Mar 2026, with Arboretum Ventures) and Allay Therapeutics (Series D+, Jun 2025, with Arboretum Ventures).

How is this list of investors based in Ann Arbor ranked?

By cheques observed, from the rounds and filings we watched, and never by anything anyone paid for. It is rebuilt every night.

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