Mental health care navigation platform connecting patients to providers through health plans.
Quartet Health is a mental health technology company that partners with health plans and health systems to connect patients to high-quality behavioral health care. Using data-driven screening and navigation, the platform matches individuals with providers tailored to their clinical needs and insurance coverage.
Healthcare📍 New York, NYFounded 2014
Current Valuation
$640M
as of 2022-Q1
PRIVATE
IPO Outlookprivate
Is Quartet Health going public?
No. Quartet Health is private and has not filed to go public. There is no S-1 on file.
What is Quartet Health's valuation in 2026?
Quartet Health is valued at $640M as of 2022-Q1, set by its Series E ($81M, Dec 2021). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Quartet Health filed an S-1?
No public S-1 is on file for Quartet Health.
Who are Quartet Health's investors?
Quartet Health's investors include Oak HC/FT, GV (Google Ventures), F-Prime Capital, Centene Corporation, Polaris Partners, Deerfield Management and 2 more.
How much has Quartet Health raised?
Quartet Health has raised $222M in total, most recently a Series E of $81M in Dec 2021.
Is Quartet Health publicly traded — can you buy Quartet Health stock?
No. Quartet Health is a private company — its shares are not listed on any exchange and there is no ticker. The routes to exposure are pre-IPO secondary marketplaces and funds (accredited investors), employee tender offers when the company runs one, and public companies with read-through exposure. QuantLogix maps every route it can verify for Quartet Health on its Pre-IPO Access Desk.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
Company Profile
CEO
Christina Mainelli
Founded
2014
HQ
New York, NY
Employees
~440
Total Raised
$222M
Est. Revenue
$49.7M (2021)
Growth
Acquired by NeuroFlow in January 2025 to scale behavioral health technology and analytics.
Last Round
Series E — $81M (Dec 2021) · Lead: Independence Health Group
IPO Status
none
Fundraising Status
Series E · $81M · 4y 10mo ago
noneTotal raised $222M
Latest Funding Round
Round
Amount
Date
Lead Investor
Post-Money
Series E
$81M
Dec 2021
Independence Health Group
—
Talent Signal
No public careers page or job board could be found for Quartet Health as of 2026-09-16. That itself is a datapoint: no open external hiring surface.
Checked the company site and major hosted job boards. Re-checked monthly.
Founders & Key People
Arun GuptaSteve ShulmanDavid Wennberg
Investors
Oak HC/FT · GV (Google Ventures) · F-Prime Capital · Centene Corporation · Polaris Partners · Deerfield Management · Echo Health Ventures · 137 Ventures
Products
Quartet Care Hub
Behavioral health network
Payer integrations
Clinical assessment tools
Value-based care platform
Competitors
Lyra Health · Spring Health · Headway · Brightline · Talkiatry
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2022-Q1. Refreshed quarterly.