Rock Health is a venture fund dedicated to digital health, investing in entrepreneurs building remarkable businesses at the intersection of healthcare and technology. Founded in 2010, it was the first venture fund focused exclusively on digital health.
53% of their portfolio is in Healthcare. Deal activity increased 200% year-over-year (3 deals in the last 12 months). Their most common stage is seed (47% of deals). Average disclosed round size is $12.3M (across 42 rounds with reported amounts).
Portfolio
38
Fund Size
—
Top Stage
Seed
Last 12 Mo
3
Team
BE
Bill Evans
Founder & General Partner
JT
Jeff Trost
Venture Principal
SD
Sean Day
Principal
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
43 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Welkin Health | Seed | $2M | Jun 2026 |
 BURST | Seed | $2.1M | Mar 2026 |
 Ours Privacy | Series A | $15M | Jan 2026 |
| NNo Barrier | Seed | $2.7M | Jan 2026 |
 Burst | Seed | $2.1M | Jan 2026 |
 Pear Suite | Series A | $7.6M | Oct 2025 |
 Synapticure | Series A | $25M | Nov 2024 |
| Pear Suite | Series A | $7.6M | Jun 2024 |
 Marigold Health | Series A | $11M | Jun 2024 |
 Oula | Series A | $19.1M | Jan 2023 |
 Ribbon Health | Series B | $43.5M | Nov 2021 |
 Sitka | Series A | $14M | Feb 2021 |
| Oula | Seed | $3.2M | Oct 2020 |
 Doctor On Demand | Series D | $75M | Jul 2020 |
 Wellth | Series A | $10M | May 2020 |
 Natalist | Seed | $5M | Oct 2019 |
 InsightRx | Series A | $10M | Sep 2019 |
| InsightRx | Series A | $10M | Jan 2019 |
 Elemental Machines | Seed | $2.5M | Feb 2016 |
| CChrono Therapeutics | Seed | $47.6M | Jan 2016 |
 Omada | Series C | $48M | Sep 2015 |
| LLumity | Unknown | $14M | Sep 2015 |
 Collective Health | Series B | $32M | Mar 2015 |
| LLumity | Series A | $14M | Jan 2015 |
 Kurbo Health | Series A | $5.8M | Jul 2014 |
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Top Co-Investors
Y Combinator4 shared
Founders Fund3 shared
8VC3 shared
Metrodora Ventures3 shared
Female Founders Fund3 shared
Collaborative Fund3 shared
GV3 shared
January Capital3 shared
Great Oaks Venture Capital3 shared
Flare Capital Partners3 shared
Esplanade Ventures3 shared
Fusion Fund3 shared
Andreessen Horowitz2 shared
General Catalyst2 shared
Alumni Ventures2 shared
Pear VC2 shared
Impact Engine2 shared
AARP2 shared
Mucker Capital2 shared
Alpha Edison2 shared
Last updated: 20 October 2026