Big Health
Mental Health Solutions
San Francisco, United States · Founded 2010 · $149.7M raised
- Headquarters
- San Francisco, California
- Employees
- 51–200
- Founded
- 2010
- Business Model
- B2B
- Website
- bighealth.com
- Total Funding
- $149.7M
- Last Round
- $23.7M Extension RoundFeb 2026
- Rounds
- 5
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Big Health develops evidence-based digital therapeutics addressing mental health at scale. Their FDA-cleared programs — Sleepio for insomnia and Daylight for anxiety — deliver personalized cognitive behavioral therapy (CBT) via app to millions of employees and health plan members, proving clinical outcomes without medication.
Summary
Big Health is a Digital Health company based in San Francisco, United States, founded in 2010. It has raised $149.7M in total across 5 rounds, most recently a $23.7M Extension Round in Feb 2026. Investors include Gilde Healthcare, octopus investments and 406 Ventures Fund.
Tech & App Stack
8 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
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Funding History
Feb 2026
Sign up to see all 5 events
Funding: Series A through Extension Round. Amounts, valuations, and investors where available.
Investors
Gilde Healthcare
2 rounds
octopus investments
2 rounds
406 Ventures Fund
1 round
AlleyCorp
1 round
SoftBank
1 round
Kaiser Permanente Ventures
2 rounds
CVS Health Ventures
1 round
Supermoon Capital
1 round
Sandbox Industries
1 round
BlueCross BlueShield Venture Partners
1 round
Morningside Group
1 round
Acquisitions
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