Who invested in ClearNote Health

One round we have observed, with the 4 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AIBiotechHealthcareMedical Devices

Raised 5 months ago

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Funding summaryUpdated 7 Nov 2026

$52Mraised across 1 round since 2026, from 1 source

Latest round: Series D, $52MMay 2026
Led by: Mattias Westman
Investors: 4 (1 led)

See who backed them

The rounds

May 2026
Series D$52M
Reported by Ventureburn

Funding filed with regulators

ClearNote Health filed one raise, $22M in all. Filings say how much was sold and to how many investors; they never name the investors.

May 2025$22M5 investorsof $61M offeredSEC Form D

Founders and team

From ClearNote Health's own website: 3 on the team.

Kevin KeeganChief Executive Officer
Irene HsiehVice President of Regulatory Affairs
Erik DuffyHead of Market Access

Everyone who backed them

Mattias WestmanAngel1round, led 1

Dr Stephen QuakeGrowth equity1round

Sandy WeillGrowth equity1round

Seattle based family officeFamily office1round

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Quick answers about ClearNote Health

Who invested in ClearNote Health?

ClearNote Health's investors include Mattias Westman, Dr Stephen Quake, Sandy Weill and Seattle based family office. Mattias Westman led its latest round.