Waterline Ventures

VC firm · Cambridge, MA

SEC-registered adviser

Venture firm based in Cambridge, MA. Most recent fund on file: Waterline Ventures IV, L.P. ($50M offering), filed Feb 2025. Partners sit on the boards of 4 startups that raised recently.

Stages: Pre-seed, Seed
Typical check (est.): $500K–$1.5M
Latest fund: $50M · Feb 2025
Last verified activity: Jun 2025

Focus

HealthcareB2B Software

Recent portfolio activity

Nice Healthcare Management Company
Board seat · MN
Jun 2025
DoctorNow
Board seat · WA
Mar 2024
EvolvedMD
Board seat · AZ
Apr 2023
Guided Clinical Solutions
Board seat · MA
Mar 2023

Funds and vehicles on SEC file

Waterline Ventures IV, L.P.
Fund · $50M offering
Feb 2025

Sources

SEC Form D: Waterline Ventures IV, L.P.Feb 6, 2025
SEC adviser record: Waterline Ventures, LLCMar 2, 2026

Profile last verified Oct 12, 2026. Is this you? Correct or remove this profile.