SH
Summation Health Ventures is a strategic healthcare-focused venture investment fund formed as a 50/50 joint venture between Cedars-Sinai Health System and MemorialCare Health System. Based in Long Beach, California, it invests in early- to mid-stage health technology, tech-enabled services, and medical device companies.
40% of their portfolio is in Healthcare. Their most common stage is series-a (40% of deals). Average disclosed round size is $13.3M (across 9 rounds with reported amounts).
Portfolio
9
Fund Size
$20M
Top Stage
Series A
Last 12 Mo
0
Team
BH
Brant Heise
Senior Managing Director
DD
Darren Dworkin
Managing Director
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
10 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| WWell Health | Series C | $45M | Nov 2020 |
 NarrativeDx | Unknown | $3M | Jan 2019 |
 Wellist | Series A | $10M | May 2018 |
 Foldax | Unknown | $10.3M | Jan 2018 |
 Silversheet | Series A | $5M | Aug 2017 |
 Gauss Surgical | Series B | $12.6M | Jan 2016 |
 MD Insider | Series B | $12M | Jan 2015 |
 Prescient Surgical | Series A | $10M | Jan 2014 |
 Gauss | Series B | — | — |
| Gauss | Series A | $12M | — |
Top Co-Investors
MemorialCare Innovation Fund4 shared
Lifeforce Capital3 shared
Jump Capital2 shared
Y Combinator2 shared
Slow Ventures1 shared
Upfront Ventures1 shared
SV Angel1 shared
BAM Ventures1 shared
Act One Ventures1 shared
Kairos1 shared
Western Technology Investment1 shared
.406 Ventures1 shared
Health Velocity Capital1 shared
Freestyle Capital1 shared
Lead Edge Capital1 shared
Jackson Square Ventures1 shared
Martin Ventures1 shared
Stanford's StartX Fund1 shared
Techstars1 shared
Cultivation Capital1 shared
Last updated: 20 October 2026