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About Quartet Stock
Founded
2014
Headquarters
New York, NY, US
Total Funding
152M
Industries
Messaging and Telecommunications, Sports, Content and Publishing
Quartet Press Mentions
Stay in the know about the latest news on Quartet
Digital Health Coaching Market Report 2025-2030, with Profiles of Atlantis Health, Naluri Therapeutics, Noom, Lark Technologies, Omada Health, Avidon Health, Quartet Health, Lyra Health & more
globenewswire • Mar 20, 2025
Concord Health Partners Portfolio Companies NeuroFlow and Iris TeleHealth Complete Acquisitions
citybiz • Feb 11, 2025
Concord Health Partners Portfolio Companies NeuroFlow and Iris TeleHealth Complete Acquisitions to Enhance Leading Behavioral Health Capabilities
prnewswire • Feb 11, 2025
Iris Telehealth Acquires InnovaTel from Quartet Health
bhbusiness • Jan 22, 2025
Iris Telehealth Acquires innovaTel to Enhance Telepsychiatry Services
medcitynews • Jan 22, 2025
Investors in Quartet
Discover investors in Quartet stock and explore their portfolio companies
Quartet Management
Leadership team at Quartet
Chief Executive Officer
David Wennberg, MD, MPH
Chief Mental Health Officer
Robert Accordino, MD, MSc

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Trading Quartet Stock
How to invest in Quartet stock?
Accredited investors can buy pre-IPO stock in companies like Quartet through EquityZen funds. These investments are made available by existing Quartet shareholders who sell their shares on our platform. Typically, these are early employees who need to fund a life event – house, education, etc. Accredited investors are then offered the opportunity to invest in this stock through a fund, like those used by hedge funds serving large investors. While not without risk, investing in private companies can help investors reach goals of portfolio diversification, access to potential growth and high potential return. Learn more about our Guided Investment process here.
How to sell Quartet stock?
Shareholders can sell their Quartet stock through EquityZen's private company marketplace. EquityZen's network includes over 360K accredited investors interested in buying private company stock. Learn more about the easy and guided Shareholder process here.
If I invest, how do I exit my investment?
There are two ways to exit your private company investment on EquityZen's marketplace. The first is if the company has an exit event like an IPO, merger or acquisition. In that case, we will distribute the shares and/or cash to you directly. The second way is through an Express Deal on EquityZen, if eligible. An Express Deal allows you to sell your allocation of private shares in a given private company to another investor on EquityZen's marketplace. More information on Express Deals can be found here and exit information can be found here.
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Since 2013, the EquityZen marketplace has made it easy to buy and sell shares in private companies. EquityZen brings together investors and shareholders, providing liquidity to early shareholders and private market access to accredited investors. With low investment minimums through our funds and with more than 46K private placements completed across 450+ companies, EquityZen leads the way in delivering "Private Markets for the Public."