Big Health Funding, Investors & Competitors

Big Health has raised $159M across 6 funding rounds, most recently a $24M undisclosed-stage round in February 2026.

Last Big Health funding round

$24M

Undisclosed stage · Feb 2026

Cumulative funding Big Health raised

$159M

across 6 funding rounds

Key investors in Big Health

  • Octopus Ventures
  • Gilde Healthcare
  • Kaiser Permanente Ventures
  • Index Ventures
  • Morningside
  • SoftBank Group
  • Samsung NEXT
  • .406 Ventures

Big Health Overview

About Big Health

Big Health is a San Francisco-based digital therapeutics company providing app-based programs for insomnia, anxiety, and depression via its Sleepio and Daylight platforms. Available through employer and health plan partnerships, the programs deliver cognitive behavioral therapy without clinician involvement. The company has treated over 100,000 patients and collaborates with NHS England.


Founded

2010

HQ

United StatesSan Francisco, CA

Status

Privately held

Customer focus

B2B

Revenue model

Subscription

Big Health Funding History

Big Health has raised a total of $159M across 6 funding rounds.

Big Health's first fundraising round was a $3M Series A in April 2014. The most recent completed round was a $24M undisclosed-stage round in February 2026.

Big Health funding rounds

Big Health funding rounds
DateStageInvestorsRaisedDeal Summary
Feb 2026Undisclosed stage.406 Ventures (lead); AlleyCorp (lead); The Blue Venture Fund; Supermoon Capital; Gilde Healthcare; CVS Health Ventures; Sandbox Industries$24MBig Health is a digital therapeutics provider offering FDA-cleared and reimbursable prescription digital therapeutics (PDTs) such as SleepioRx for insomnia disorders and DaylightRx for generalized anxiety disorder, targeting non-drug alternatives amid improving reimbursement pathways. The company raised $23.7 million in a Series D / other-strategic round on February 12, 2026, co-led by .406 Ventures and AlleyCorp, with participation from CVS Health Ventures, Blue Venture Fund, Sandbox Clinical Ventures (noted as Sandbox Industries in query), Gilde Healthcare, and Supermoon Capital (noted as Supermoon Ventures in some sources). Funds will accelerate commercialization, expand strategic provider partnerships, integrate into clinical workflows, increase payer coverage, and boost clinical adoption. CEO Yael Berman highlighted rapid pipeline growth and customer launches over the past year, with health systems and telemedicine companies seeking solutions for insomnia and anxiety. Investors praised Big Health's clinical validation, evidence base, reimbursement readiness, and scalable model, citing CMS decisions enabling reimbursement for FDA-cleared digital treatments superior to pharmaceuticals. The round positions Big Health for broader access amid a shifting digital therapeutics market, following shutdowns of peers like Pear Therapeutics and Akili due to prior adoption and reimbursement challenges. Big Health's total funding reached approximately $153M across five rounds as of February 2026.
Oct 2024Series A-$6M-
Jan 2022Series CSoftBank Group (lead); Octopus Ventures; Kaiser Permanente Ventures; Gilde Healthcare; ArrowMark Partners; Morningside$75MBig Health is a digital therapeutics company offering non-drug alternatives for mental health conditions like insomnia and anxiety through apps such as Sleepio and Daylight, backed by clinical trials and designed to deliver behavioral medicine at scale. The company pioneered reimbursement via pharmacy benefit managers (PBMs) and has strong commercial partnerships to expand access. On January 19, 2022, Big Health raised $75 million in a Series C funding round led by SoftBank Vision Fund 2, with participation from new investor ArrowMark Partners and existing backers Octopus Ventures, Gilde Healthcare, Kaiser Permanente Ventures, and Morningside Ventures. The funds aim to accelerate commercial growth, enhance product strategy, and launch six new digital therapeutics by 2024. Founded in 2012, Big Health has grown its user base to over 10 million people and raised nearly $130 million total across rounds, including a $29.5 million Series B in 2019 led by Gilde Healthcare, a $20 million Series A in 2017 led by Index Ventures, and a $4.5 million seed in 2014 backed by Octopus Ventures. The Series C supports scaling reimbursement models and market expansion amid rising mental health needs highlighted by COVID-19. Investors praised Big Health's evidence-based approach, innovative commercialization, and potential to address mental health crises cost-effectively via smartphones.
Jun 2020Series BGilde Healthcare (lead); Morningside (lead); Octopus Ventures; Kaiser Permanente Ventures; Samsung NEXT$39MBig Health is a digital therapeutics company providing fully automated, clinically validated treatments for mental health conditions like insomnia (Sleepio), anxiety (Daylight), and others, backed by over 50 published clinical papers including 13 RCTs and cited in guidelines from the American College of Physicians and NICE. The company's products use human voice, engaging animation, and cognitive behavioral therapy techniques to deliver scalable care comparable to medication, offered to employees via employers like Target, Comcast, and Home Depot, and reimbursed through the UK's NHS, reaching over 12 million people worldwide at the time. On June 18, 2020, Big Health raised $39 million in a Series B financing round led by Gilde Healthcare and co-led by Morningside Ventures, with participation from new investor Samsung NEXT and existing investors Kaiser Permanente Ventures and Octopus Ventures. Janke Dittmer from Gilde and Isaac Cheng from Morningside joined the board alongside representatives from prior investors. The funds were allocated to new product development, expanding distribution channels, and scaling commercialization to meet growing demand and accelerate adoption of FDA-cleared digital treatments. CEO Peter Hames noted that Big Health entered 2020 after doubling revenues in 2019, driven by enterprise adoption recognizing the platform's role in addressing mental health benefits gaps. A health economic study of Sleepio at a Fortune 500 company showed 28% lower annualized healthcare costs for users versus controls. This round brought total funding to $54.3 million since 2010, following a $15 million Series A four years prior, positioning Big Health to dominate the digital therapeutics market through clinical evidence and innovative go-to-market strategies.
Jul 2016Series BOctopus Ventures (lead); Index Ventures; Kaiser Permanente Ventures; Sean Duffy; Way to Wellville; Vitruvian Partners; JamJar Investments$12MBig Health raised $12 million in a funding round on July 27, 2016, led by Octopus Ventures, with participation from Kaiser Permanente Ventures, Index Ventures, Sean Duffy, and JamJar Investments. The company, based in San Francisco and London, develops digital therapeutics automating behavioral medicine programs, with its lead product Sleepio providing clinically proven cognitive behavioral therapy for sleep improvement without drugs. In its first year in the U.S. market, Sleepio reached over 750,000 employees at companies including Comcast, LinkedIn, Boston Medical Center, and Henry Ford Health System.
Apr 2014Series AIndex Ventures (lead); Forward Partners$3M-

Who has invested in Big Health?

19 investors have backed Big Health across its funding rounds, including Octopus Ventures, Gilde Healthcare, Kaiser Permanente Ventures, Index Ventures, Morningside and SoftBank Group.

Lead investors include .406 Ventures, AlleyCorp, SoftBank Group, Gilde Healthcare, Morningside and 2 other investors.


Big Health Investors

Investors in Big Health by funding rounds participated
InvestorHQRoundsRoleFirst check
Octopus VenturesUnited KingdomLondon3LeadJul 2016
Kaiser Permanente VenturesUnited StatesSan Francisco, CA3ParticipantJul 2016
Gilde HealthcareNetherlandsNetherlands3LeadJun 2020
Index VenturesUnited KingdomLondon2LeadApr 2014
MorningsideUnited StatesBoston, MA2LeadJun 2020
The Blue Venture FundUnited StatesChicago, IL1ParticipantFeb 2026
.406 VenturesUnited StatesUnited States1LeadFeb 2026
Supermoon CapitalUnited StatesSan Francisco, CA1ParticipantFeb 2026
Sean DuffyUnited StatesSan Francisco, CA1ParticipantJul 2016
Samsung NEXTUnited StatesSan Francisco, CA1ParticipantJun 2020
SoftBank GroupJapanTokyo1LeadJan 2022
ArrowMark PartnersUnited StatesDenver, CO1ParticipantJan 2022
Forward PartnersUnited KingdomLondon1ParticipantApr 2014

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Acquisitions by Big Health

Big Health has acquired 1 company to date.

Last acquisition by Big Health was on July 14th 2023. Big Health acquired Limbix for undisclosed valuation.


Latest Acquisitions by Big Health

Limbix
Description
Limbix is a San Francisco-based developer of prescription digital therapeutics for adolescent mental health. Its flagship product, SparkRx, delivers cognitive behavioral therapy modules via mobile app for treating depression and anxiety, available nationwide to licensed healthcare professionals. The multidisciplinary team of clinicians, designers, and engineers integrates evidence-based interventions with gamified engagement to improve outcomes for teens.
HQ CountryUnited States
HQ City
San Francisco, CA
Deal Date14 Jul 2023
Valuationundisclosed
EV/Revenue
EV/EBITDA

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Big Health Competitors

Big Health competitors include listed companies like TALI Digital and Compass Pathways, and private ones like Slingshot AI, Workit Health, Sword Health and Hippocratic AI.

Public and private companies comparable to Big Health
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
Slingshot AIUnited StatesSan Francisco, CAPrivate$10M-$220M22.0x
TALI DigitalAustraliaAustraliaPublicly listed$166K($2M)$3M-
Compass PathwaysUnited KingdomUnited KingdomPublicly listed-($293M)$2.1B-
Workit HealthUnited StatesAnn Arbor, MIPrivate--$500M-
Sword HealthUnited StatesNew York City, NYPrivate$240M-$4B16.7x
Hippocratic AIUnited StatesSan Francisco, CAPrivate--$3.5B-

Big Health Public Comps

Big Health is still privately-owned, but its public comps include Humana Inc., Hims, Doximity, ACADIA Pharmaceuticals, Compass Pathways, Alignment Healthcare, Teladoc, Helus Pharma, Talkspace and Sphere.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Humana Inc.$130B$3B0.4x0.3x17.8x16.6x
Hims$2.3B$178M3.1x2.4x40.4x23.9x
Doximity$645M$229M6.3x6.2x17.7x11.9x
ACADIA Pharmaceuticals$1.1B$119M3.6x3.2x32.3x33.6x
Compass Pathways-($293M)--(5.8x)(8.4x)
Alignment Healthcare$3.9B$45M0.4x0.3x31.6x10.0x
Teladoc$2.5B$124M0.6x0.6x11.3x5.0x
Helus Pharma-($153M)--(5.4x)(4.8x)

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Common questions about Big Health

When was Big Health founded?Big Health was founded in 2010.
Where is Big Health headquartered?Big Health is headquartered in San Francisco, CA, United States.
Is Big Health publicly listed?No, Big Health is a private, VC-backed company.
How much funding has Big Health raised?Big Health has raised $159M across 6 funding rounds.
What was Big Health's last funding round?Big Health's last funding round was a $24M undisclosed-stage round in February 2026, led by .406 Ventures and AlleyCorp.
Who are Big Health's investors?Big Health's investors include Octopus Ventures, Kaiser Permanente Ventures, Gilde Healthcare, Index Ventures, Morningside, The Blue Venture Fund, .406 Ventures, Supermoon Capital, Sean Duffy, Samsung NEXT and 9 others.
Which companies are comparable to Big Health?Companies comparable to Big Health include Slingshot AI, TALI Digital, Compass Pathways, Workit Health, Sword Health and Hippocratic AI.
How many companies has Big Health acquired?Big Health has acquired 1 company, including Limbix.

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