United States · Who invested in Butterfly?
Butterfly's investors include Precursor Ventures, Daphni, Gates Foundation, Tectonic Ventures and Fidelity/ Fosun Pharma, and 1 more on record.
2015201620172018
$300KSeed$300KSeed$2.4MSeed$250MSeries D
United States · Series D startup
Who invested in Butterfly
Funding summaryUpdated 26 Oct 2026
$253Mraised across 4 rounds since 2014, from 5 sources
$300KSeed$300KSeed$2.4MSeed$250MSeries D
- Latest round
- Series D, $250MSept 2018
- Step-upi
- 104.2×
- Investors
- 6
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, $300K Oct 2014
- Biggest round
- $250M Series D · Sept 2018
- Usual gap between rounds
- 12 months the median of 3
The rounds
- Sept 2018
- Oct 2017
- Apr 2015Seed$300K
No investor was named in the report.
From a historical funding recordSEC filing: $3.1M sold, first sale Apr 2015
- Oct 2014Seed$300K
No investor was named in the report.
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.
Seed2014Seed2015Seed2017Series D2018
Precursor Ventures
Daphni
Gates Foundation
Tectonic VenturesFidelity/ Fosun PharmaJamie Dinan
Precursor VenturesDaphniGates FoundationTectonic VenturesFidelity/ Fosun PharmaJamie DinanEveryone who backed them
Fidelity/ Fosun Pharmano record of our own yet1round
Jamie Dinanno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Butterfly
How much has Butterfly raised?
Butterfly has raised $253M across 4 rounds since 2014.
When did Butterfly last raise?
Butterfly's most recent round was a Series D of $250M in Sept 2018.
What was Butterfly's biggest round?
Its most recent round, $250M in Sept 2018, is also its largest on record.
Who backed Butterfly first?
Butterfly's first round on record, in Oct 2017, was backed by Precursor Ventures, Daphni and Tectonic Ventures.
What stage is Butterfly at?
Butterfly's latest named round is a Series D, in Sept 2018.
Where is Butterfly based?
Butterfly is based in the United States.
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