United States · 
Who invested in Eight Sleep?
Eight Sleep's investors include Founders Fund, Y Combinator, Khosla Ventures, HSG and Craft Ventures, and 11 more on record. Tether led its latest round.
2020202120222023202420252026
$40MRound$100MRound$50MSeries C
United States · Series C startup
Who invested in Eight Sleep
3 rounds we have observed, with the 16 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.
Raised 8 months agoY Combinator: S15
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Funding summaryUpdated 5 Nov 2026
$190Mraised across 3 rounds since 2019, from 11 sources
$40MRound$100MRound$50MSeries C
- Latest round
- Series C, $50MMar 2026
- Led by
- Tether
- Biggest round
- $100MRound · Aug 2025
- Investors
- 16 (3 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Round, $40M Nov 2019
- Biggest round
- $100M Round · Aug 2025
- Usual gap between rounds
- 5.8 years the median of 2
The rounds
- Mar 2026Series C$50M3 new6 returning
TetherLead
Y Combinator
General Catalyst
Khosla Ventures
Founders Fund
Gaingels
HSG
Craft Ventures
Valor Equity Partners
Reported by Crunchbase News and 6 others
- Aug 2025Round$100M6 new3 returning
- HSGLead
- Y Combinator
- Khosla Ventures
- Founders Fund
- Valor Equity Partners
SoftBank BB Corp
Kevin Hart- Charles Leclerc
- Zak Brown
Reported by Crunchbase News and 2 others
- Nov 2019Round$40M7 new
- Founders FundLead
- Y Combinator
- Khosla Ventures
8VC- Craft Ventures
Kevin Hartz- Ryan Petersen
Reported by FinSMEsSEC filing: $41M sold, first sale Sept 2019
Funding filed with regulators
Eight Sleep filed 4 raises, $152M in all. Filings say how much was sold and to how many investors; they never name the investors.
- Jun 2021$88MSEC Form D
- Sept 2019$41MSEC Form D
- Nov 2017$10MSEC Form D
- Sept 2016$13MSEC Form D
Founders and team
From the SEC filings it signed: 3 on the team.
- Alexandra Andreasi ZatarainExecutive Officer, Directori
- Massimo Andreasi BassiExecutive Officer, Directori
- Matteo FranceschettiExecutive Officer, Directori
On the board, as filediAntonio Andreasi GraciasTrae Andreasi Stephens
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.
Round2019Round2025Series C2026Founders FundLY CombinatorKhosla VenturesHSGLCraft VenturesValor Equity PartnersTetherLGeneral CatalystGaingels8VC
Founders FundLY CombinatorKhosla VenturesHSGLCraft VenturesValor Equity PartnersTetherLGeneral CatalystGaingels8VCEveryone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 21 firms list Eight Sleep 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.
Quick answers about Eight Sleep
How much has Eight Sleep raised?
Eight Sleep has raised $190M across 3 rounds since 2019.
When did Eight Sleep last raise?
Eight Sleep's most recent round was a Series C of $50M in Mar 2026, led by Tether.
What was Eight Sleep's biggest round?
Eight Sleep's largest round on record is $100M (Undisclosed round), in Aug 2025, led by HSG.
Who backed Eight Sleep first?
Eight Sleep's first round on record, in Nov 2019, was backed by Founders Fund, Y Combinator and Khosla Ventures and 4 others.
What stage is Eight Sleep at?
Eight Sleep's latest named round is a Series C, in Mar 2026.
Where is Eight Sleep based?
Eight Sleep is based in the United States.
Who led Eight Sleep's rounds?
Founders Fund led the Undisclosed round in 2019; HSG led the Undisclosed round in 2025; Tether led the Series C in 2026.
Companies like Eight Sleep
In the same sector, and raised in the last eighteen months.
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