HealthQuest Capital
Redwood City, California, United StatesFounded 2012
HealthQuest Capital is a growth equity firm that provides capital to transformative healthcare companies, focusing on commercial-stage innovations across medical devices and technologies, diagnostics, healthcare services, and healthcare IT. The firm partners with companies driving improved patient outcomes and greater efficiency in healthcare delivery.
59% of their portfolio is in Healthcare. Deal activity decreased year-over-year (3 deals in the last 12 months vs 7 prior). Average disclosed round size is $58.3M (across 35 rounds with reported amounts).
Portfolio
30
Fund Size
$675M
Top Stage
Series B
Last 12 Mo
3
Team
David Kabakoff
Founding Senior Partner
John Johnson
Operating Partner
Nate Burns
Partner
Charlie Zhang
Tax Director
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
39 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Thyme | Series E | $125M | Sep 2026 |
 Thyme Care | Series E | $125M | Sep 2026 |
 AnswersNow | Series B | $40M | Jan 2026 |
 Diana Health | Series C | — | Sep 2025 |
 Alpheus Medical | Series B | $52M | May 2025 |
| AAlpheus | Series B | $52M | May 2025 |
| Alpheus Medical | Series A | $52M | May 2025 |
 HelloCare | Growth | $47M | Apr 2025 |
 hellocare.ai | Growth | $47M | Apr 2025 |
 OrganOx | Unknown | $142M | Jan 2025 |
| AAlpheus | Series B | $52M | Jan 2025 |
| Alpheus Medical | Series B | $52M | Jan 2025 |
 Royal Health | Unknown | — | Dec 2024 |
| Thyme Care | Series E | — | May 2024 |
 Perspectum | Series C | $36M | Jan 2023 |
 Perspectum Diagnostics | Series C | $120M | Jan 2023 |
 Histosonics | Series D | $85M | Dec 2022 |
 Magnolia Medical Technologies | Growth | $46M | Feb 2022 |
 Nomad Health | Series A | $20M | Jan 2022 |
 Lunit | Ipo | $61M | Nov 2021 |
 Rarecyte | Series B | $24M | Sep 2021 |
 Thirty Madison | Series C | $140M | Jun 2021 |
| Perspectum Diagnostics | Series C | $36M | Jan 2020 |
| Lunit | Series C | $26M | Jan 2020 |
 Ajax Health | Growth | $100M | Sep 2019 |
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Top Co-Investors
Polaris Partners5 shared
BrightEdge5 shared
OrbiMed5 shared
Brain Tumor Investment Fund5 shared
Samsara BioCapital5 shared
AlleyCorp4 shared
LRVHealth3 shared
Action Potential Venture Capital3 shared
CVS Health3 shared
Humana3 shared
Morgan Health3 shared
The Blue Venture Fund3 shared
.406 Ventures2 shared
SightLine Partners2 shared
RTW Investments, LP2 shared
Insight Partners2 shared
Johnson & Johnson Innovation2 shared
Bon Secours Mercy Health2 shared
Sontag Innovation Fund2 shared
Naver2 shared
Last updated: 20 October 2026