Winter Street Ventures
Overview
Winter Street Ventures is a venture capital firm that invests in tech-enabled healthcare companies utilizing AI and predictive analytics. It primarily focuses on Series A deals, with selective investments in Seed-stage companies. The firm was founded as the venture affiliate of Commonwealth Care Alliance and became an independent firm in April 2025.
Portfolio Companies
6
Website
winterstreetventures.comInvestments
| Company | Date | Stage | Lead |
|---|---|---|---|
| Cityblock Health | Dec 2020 | Series C | - |
| Lynx FinHealth | Mar 2022 | Series A | Co-investor |
| Marigold Health | Jun 2024 | Series A | - |
| Thrive Health Tech | May 2023 | Pre Seed | Co-investor |
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Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
FAQ
Where is Winter Street Ventures based?
Winter Street Ventures is headquartered in Boston, Massachusetts, United States.
When was Winter Street Ventures founded?
Founding year information for Winter Street Ventures is not publicly available.
How many portfolio companies does Winter Street Ventures have?
Winter Street Ventures has 6 portfolio companies in Caplight's dataset.
What are some companies in Winter Street Ventures's portfolio?
Portfolio companies visible on Caplight include Cityblock Health, Lynx FinHealth, Marigold Health, Thrive Health Tech.
What was Winter Street Ventures's most recent investment shown here?
Winter Street Ventures's most recent investment in this portfolio sample was in Marigold Health in 2024.
What sectors does Winter Street Ventures focus on?
Winter Street Ventures focuses on Healthcare & Life Sciences, Healthcare & Life Sciences, Healthcare & Life Sciences, Healthcare & Life Sciences, Healthcare & Life Sciences, FinTech, Healthcare & Life Sciences, Telecommunications & Networking, AI, Data & Cloud Infrastructure, Enterprise Software, Enterprise Software.
What company stages does Winter Street Ventures focus on?
Winter Street Ventures typically invests at the Early stage.