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Winter Street Ventures

Winter Street Ventures

Boston, Massachusettswinterstreetventures.com

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

4

Investments

CompanyDateStageLead
Thrive Health TechMay 2023Pre SeedCo-investor
LynxMar 2022Series ACo-investor
LynxMar 2022SeedCo-investor
LynxMar 2022SeedCo-investor
LynxMar 2022Series ACo-investor

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

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FAQ

Firmographic Details

HeadquartersBoston, Massachusetts
Year FoundedN/A

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