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§ Private Profile · San Francisco, CA, USA
Digital therapeutics developer providing evidence-based CBT programs for mental health and sleep conditions to employers and health systems.
San Francisco-based Big Health develops digital therapeutics that deliver evidence-based, non-drug treatments for mental health conditions such as clinical insomnia and anxiety. The company operates a business-to-business-to-consumer model, providing its software-based cognitive behavioral therapy programs to over 15 million covered lives globally across healthcare markets. Big Health has raised over $120 million in total venture funding from lead investors including SoftBank Vision Fund 2, Kaiser Permanente Ventures, and Index Ventures. The enterprise platform secures contracts with major employers, pharmacy benefit managers, and public health systems, serving prominent customers like Target and the UK National Health Service. To expand its clinical portfolio, the firm recently acquired digital health startups Limbix and Freespira to address adolescent depression and panic disorders. Big Health was founded in 2010 by Peter Hames and Professor Colin Espie.
Big Health has raised $153.0M across 5 funding rounds.
Big Health has raised $153.0M in total across 5 funding rounds.
Big Health is a digital therapeutics company that develops evidence-based, non-drug digital programs for common mental health conditions like insomnia, anxiety, and depression.[1][2][3][5] Its flagship products—Sleepio for insomnia, Daylight for anxiety, and SparkRx (now Spark Direct) for adolescent depression—deliver cognitive behavioral therapy (CBT) via smartphones and are FDA-cleared, reimbursable, and backed by over 80 peer-reviewed studies.[2][3][5] Serving health systems, health plans, employers, and providers, Big Health addresses access barriers to mental health care by offering scalable, side-effect-free alternatives to medication, with $129.3M raised in funding (latest $75M Series C in 2022) and strong growth momentum including the 2023 acquisition of Limbix to expand into youth mental health.[1][2][4]
Big Health was founded in 2010 in San Francisco by Peter Hames and Dr. Colin Espie after Hames struggled with insomnia and found relief through Espie's book on CBT for sleep, realizing the potential to scale this non-drug approach digitally.[1][3] Hames, driven by personal experience with limited treatment options beyond pills, partnered with Espie, a leading sleep expert, to create accessible digital programs.[3] Early traction came from rigorous clinical validation, evolving into a platform with peer-reviewed evidence; key milestones include launching Sleepio, Daylight, and the Limbix acquisition in 2023, which added teen-focused SparkRx and boosted adolescent offerings.[2][3] Leadership has included CEO Arun Gupta (ex-Quartet Health founder) and recently Yael Berman as new CEO to drive growth.[2][3]
Big Health stands out in digital mental health through:
Big Health rides the digital therapeutics wave in mental health, capitalizing on post-pandemic demand for accessible, non-pharmacological care amid clinician shortages and youth mental health crises.[1][2] Timing aligns with FDA clearances for digital CBT and payer reimbursements, fueled by market forces like rising insomnia/anxiety prevalence and employer wellness priorities.[1][5] It influences the ecosystem by pioneering scalable CBT (e.g., leading ESP matrices with ResMed, Inspire), partnering for integrated platforms, and expanding evidence-based alternatives, reducing reliance on meds and bridging gaps in traditional care.[1][2][4]
Big Health is poised for accelerated growth under new CEO Yael Berman, leveraging its adolescent pipeline (e.g., upcoming teen anxiety product) and partnerships to capture more of the $15.7M-revenue digital health market.[3][4] Trends like AI-enhanced personalization, broader reimbursements, and hybrid care models will shape its path, potentially driving higher enrollment and Mosaic Score recovery from recent dips.[1][2] Its influence may evolve by setting standards for non-drug mental health tech, helping millions as it scales globally—echoing its founding mission to transform access beyond pills.[3]
Big Health has raised $153.0M in total across 5 funding rounds.
Big Health's investors include .406 Ventures, AlleyCorp, CVS Health Ventures, Gilde Healthcare, Sandbox Industries, Supermoon Capital, The Blue Venture Fund, John Cassidy, Kaiser Permanente Ventures, Samsung NEXT Ventures, Esther Dyson, George Braun.
Big Health has raised $153.0M across 5 funding rounds. Most recently, it raised $23.7M Venture Round in February 2026.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Feb 12, 2026 | $23.7M Venture Round | .406 Ventures, AlleyCorp | CVS Health Ventures, Gilde Healthcare, Sandbox Industries, Supermoon Capital, The Blue Venture Fund | Announced |
| Jan 1, 2022 | $75M Series C | John Cassidy | Kaiser Permanente Ventures, Samsung Next Ventures, Esther Dyson, George Braun, Morningside Ventures, Octopus Ventures | Announced |
| Jun 1, 2020 | $39M Series B | Isaac Cheng | Kaiser Permanente Ventures, Samsung Next Ventures, Esther Dyson, Alliott Cole, Samsung Next | Announced |
| Jul 1, 2016 | $12M Series B | Alliott Cole | Good Startup, Kaiser Permanente Ventures, Samsung Next Ventures, Venture Highway, Esther Dyson | Announced |
| Apr 28, 2014 | $3.3M Series A | — | Esther Dyson, Forward Partners, Neil Rimer | Announced |