United States · 
Who invested in Circle Medical?
Circle Medical's investors include Collaborative Fund, Tengxun Touzi, Y Combinator, SV Angel and Kima Ventures, and 7 more on record.
2016201720182019
$2.9MSeed$3.5MRound?Venture
United States · Venture startup
Who invested in Circle Medical
3 rounds we have observed, with the 12 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
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Y Combinator: S15
Funding summaryUpdated 27 Oct 2026
$6.4Mraised across 3 rounds since 2015, from 3 sources
$2.9MSeed$3.5MRound
- Latest round
- VentureMar 2019
- Biggest round
- $3.5MRound · Nov 2018
- Investors
- 12
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $2.9M Nov 2015
- Biggest round
- $3.5M Round · Nov 2018
- Usual gap between rounds
- 3 years the median of 2
The rounds
- Mar 2019VentureAmount undisclosed3 new2 returning
Source recorded
- Nov 2018Round$3.5M2 new1 returning
Collaborative Fund- A.Capital/ Y Combinator
- WELL Health
Reported by FinSMEsSEC filing: $6.1M sold, first sale Jul 2018
- Nov 2015Seed$2.9M7 new
From a historical funding record
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Paul BuchheitAngel1round
A.Capital/ Y Combinatorno record of our own yet1round
WELL Healthno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 5 firms list Circle Medical as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
advisors.fundVC firmPer its own site
Quick answers about Circle Medical
How much has Circle Medical raised?
Circle Medical has raised $6.4M across 3 rounds since 2015. One round did not disclose an amount, so the total is a floor.
When did Circle Medical last raise?
Circle Medical's most recent round was a Venture in Mar 2019.
What was Circle Medical's biggest round?
Circle Medical's largest round on record is $3.5M (Undisclosed round), in Nov 2018.
Who backed Circle Medical first?
Circle Medical's first round on record, in Nov 2015, was backed by Kima Ventures, Tengxun Touzi and Collaborative Fund and 4 others.
What stage is Circle Medical at?
Circle Medical's latest named round is a Venture, in Mar 2019.
Where is Circle Medical based?
Circle Medical is based in the United States.
Companies like Circle Medical
In the same sector, and raised in the last eighteen months.
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