# Summation Health Ventures

> Summation Health Ventures is a VC fund backing Health Care and Medical. See 16 investments, check sizes, portfolio and contact details. Updated Sep 2026.

- Type: VC Fund
- Location: Long Beach, United States
- Total investments: 16
- Last investment: Dec 2025
- Lead investor: 31%
- Fund size: $20M
- Last fund: Aug 2014
- Last updated: Sep 2026
- LinkedIn: https://www.linkedin.com/company/summation-health-ventures
- X (Twitter): https://twitter.com/Summation_SHV
- Website: http://shv.io/

Summation Health Ventures is a strategic health care investment fund that aims to accelerate entrepreneurial solutions for the nation’s health care systems. Backed by the expertise of two renowned health system providers – MemorialCare Health System and Cedars-Sinai Health System – we are a gateway for innovators to refine and grow their productsand to help providers fulfill their mission in a new way.

## Contacts

5 contacts available for Summation Health Ventures. Shizune tracks 1 team members at Summation Health Ventures. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/summation-health-ventures?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 10 | 63% |
| Medical | 3 | 19% |
| Analytics | 3 | 19% |
| Machine Learning | 3 | 19% |
| Enterprise Software | 3 | 19% |

42 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 5 | 31% |
| Series A | 4 | 25% |
| Venture - Series Unknown | 2 | 13% |
| Seed | 1 | 6% |
| Series C | 1 | 6% |

8 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 13 | 81% |
| Germany | 1 | 6% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Brant Heise | Senior Managing Director | 9 | https://shizune.co/investors/profile/brant-heise |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Artera | Well Health provides a communication platform that connects patients to healthcare organizations through text, email, phone, and live chat. WELL is a communication tool that allows front offices to have two-way text conversations with patients, using existing office phone numbers. The platform is designed from the ground up to make patientcommunications more intuitive across the enterprise. Well Health's mission is to make going to the doctor as easy as meeting up with a close friend. | $65M | Series D | Dec 03, 2025 |  |
| Artera | Well Health provides a communication platform that connects patients to healthcare organizations through text, email, phone, and live chat. WELL is a communication tool that allows front offices to have two-way text conversations with patients, using existing office phone numbers. The platform is designed from the ground up to make patientcommunications more intuitive across the enterprise. Well Health's mission is to make going to the doctor as easy as meeting up with a close friend. | $45M | Series C | Nov 24, 2020 |  |
| Deep 6 AI | Deep 6 AI is a computer software company that utilizes an AI-based platform that finds patients for clinical trials and it helps to provide cure to people. Its platform specializes in analyzing structured data, such as ICD-10 codes, unstructured clinical data, doctor’s notes, pathology reports, and operating notes.The company was founded in 2015and headquartered in Pasadena, California. | $17M | Series A | Nov 25, 2019 |  |
| NarrativeDx | NarrativeDx is an AI platform that provides root-cause analysis and tells clinicians exactly what to do. They help hospital leaders and care providers hear the voice of their patients with AI. The natural language processing and machine learning provides actionable insights from patient comments to improve their institution's patientexperience, drive patient referrals, increase hospital revenue, and boost hospital reputations. NarrativeDx's cloud-based, HIPAA-compliant, healthcare-specific AI platform uses Natural Language Processing and Machine Learning to collect, analyze, and visualizes unstructured patient feedback from internal and external sources (CAHPS Surveys, grievance letters, social review sites, etc.). Their beautiful, intuitive dashboards automatically highlight key areas for improvement (staff, doctors, units, facilities, etc.) and provide specific recommendations to improve the patient experience. NarrativeDx was co-founded by Kyle Robertson and Senem Guney in 2014 and is based in Austin, Texas. | $3M | Corporate Round | Feb 20, 2019 |  |
| NarrativeDx | NarrativeDx is an AI platform that provides root-cause analysis and tells clinicians exactly what to do. They help hospital leaders and care providers hear the voice of their patients with AI. The natural language processing and machine learning provides actionable insights from patient comments to improve their institution's patientexperience, drive patient referrals, increase hospital revenue, and boost hospital reputations. NarrativeDx's cloud-based, HIPAA-compliant, healthcare-specific AI platform uses Natural Language Processing and Machine Learning to collect, analyze, and visualizes unstructured patient feedback from internal and external sources (CAHPS Surveys, grievance letters, social review sites, etc.). Their beautiful, intuitive dashboards automatically highlight key areas for improvement (staff, doctors, units, facilities, etc.) and provide specific recommendations to improve the patient experience. NarrativeDx was co-founded by Kyle Robertson and Senem Guney in 2014 and is based in Austin, Texas. | $3M | Series A | Feb 20, 2019 |  |
| Prescient Surgical | Prescient Surgical, Inc. engages in the development of medical devices for the prevention of surgical site infection. The company offers Cleancision that prevents dangerous surgical wound infections. It provides products primarily for patients undergoing high-risk abdominal gastrointestinal surgery. The company was incorporated in 2012 and is basedin Mountain View, California. | $10M | Series B | Nov 28, 2018 |  |
| Wellist | Wellist operates an online platform that connects patients to local services in the greater Boston area. The company’s platform allows families and patients to find daily support services that range from rides and treatment to meal delivery, home cleaning, acupuncture, and more. Its platform also allows users to build and publish a registry ofneeded services to share with loved ones, as well as allows them to track activities and thank the loved ones for their support.Wellist was founded in 2013 and is headquartered in Boston, Massachusetts, United States. | $10M | Series A | May 08, 2018 |  |
| Silversheet | Silversheet revolutionizes how healthcare facilities manage their workforce, and how healthcare professionals manage their own careers. They've started by tackling a complex and critical part of the daily workflow – physician credentialing. Currently, healthcare administrators are faced with endless paperwork, faxing, and nagging andphysicians are on their own to figure out the complex credential renewal process and stay up-to-date at each facility where they maintain privileges.Silversheet is a breath of fresh air. Facilities can add a new physician in minutes, automatically verify their credentials, and invite doctors to join, empowering them to maintain their qualifications and keep facilities up-to-date and in compliance. | $5M | Series A | Aug 14, 2017 |  |
| HealthLoop | HealthLoop, Inc. operates a SaaS platform that enables medical practices to monitor signs and symptoms, and communicate with patients during the recovery process. Its platform enables doctors to identify patients at risk of decline in the follow up period. The company’s platform also collects patients’ feedbacks and monitors status against expectedprogress; and sends alerts to physicians or providers about patients who are at risk of treatment failures, complications, or hospital readmissions. It serves medical offices in the United States. HealthLoop, Inc. was founded in 2009 and is based in Moffett Field, California. | $8.4M | Series B | May 15, 2017 |  |
| Arrive Health | RxRevu is a physician-founded organization on a mission to become the leader in prescription decision support, helping prescribers identify the most cost-effective medications for each patient, at the point of care. RxRevu was referred to as the “Google of Drugs” by CNBC and is currently working with health systems, PBMs, and electronic healthrecords (EHR) vendors.RxRevu’s EHR-embedded technology allows prescribers to view prior authorizations and real-time, patient-specific cost and drug options aligned with formulary and benefit data. This information is provided directly from the payer/PBM to inform the prescriber before medication selection. In addition, the platform provides prescription health analytics to help organizations understand prescribing behavior and drive consistent prescribing practices in line with an organization's best practices. | $4.7M | Venture - Series Unknown | Jan 06, 2017 |  |

10 of 16 investments shown.

## Co-investors
- [MemorialCare Innovation Fund](https://shizune.co/investors/profile/memorialcare-innovation-fund) — VC Fund, 3 deals together
- [Act One Ventures](https://shizune.co/investors/profile/act-one-ventures) — VC Fund, 2 deals together
- [Christiana Care Health Systems](https://shizune.co/investors/profile/christiana-care-health-systems) — VC Fund, 2 deals together
- [Cultivation Capital](https://shizune.co/investors/profile/cultivation-capital) — VC Fund, 2 deals together
- [Health Velocity Capital](https://shizune.co/investors/profile/health-velocity-capital) — VC Fund, 2 deals together
- [HealthX Ventures](https://shizune.co/investors/profile/healthxventures) — VC Fund, 2 deals together

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## FAQ

### What does Summation Health Ventures invest in?

Summation Health Ventures invests primarily in Health Care, Medical and Analytics startups, most often at Series B and Series A stage. Most of the 16 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Summation Health Ventures?

Public channels for Summation Health Ventures include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Summation Health Ventures?

The team at Summation Health Ventures includes Brant Heise (Senior Managing Director). The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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