Quartet Health raises $40M Series B led by GV to expand its behavioral health care platform
Context & Ripple Effects
Quartet Health's $40M Series B, led by GV in April 2016, lands early in what becomes a sustained thesis at the firm: software-first platforms that reorganize how care is delivered. Two years later GV leads Verana Health's $30M Series C for clinical-data analytics, and by 2021 it backs Brightline's $72M Series B for virtual pediatric behavioral therapy — making behavioral health specifically, not just health tech broadly, a repeatable bet.
The raise also predates the funding wave this category later attracts: Big Health raises a $39M Series B in 2020 for fully automated cognitive-behavioral programs, then a $75M Series C led by SoftBank Vision Fund 2 in 2022, while K Health pulls in $132M at Series E for AI-driven telemedicine. Quartet's round is an early marker that behavioral health was becoming a venture-scale category before telehealth made it obvious.
First-order effects
- Quartet Health gains the capital to expand its behavioral health platform beyond its initial footprint, with GV as both lead investor and signal-setter for other funds evaluating the space.
Second-order effects
- GV's continued lead positions in digital health — Verana Health in 2018, Brightline in 2021 — give later entrants like Big Health and K Health a validated template, helping normalize nine-figure rounds for care-delivery software.
Third-order effects
- If the pattern holds, behavioral health consolidates around software platforms — Quartet's coordination model, Brightline's virtual therapy, Big Health's automated CBT apps — rather than clinic networks, shifting where payers route mental health spending and which intermediaries control patient flow.
The trend: Behavioral health is moving from fragmented referral and clinic-based delivery to software platforms that coordinate, automate, or virtually deliver care — a shift venture firms like GV began underwriting years before telehealth went mainstream.