VC · WATER INVESTOR

Collaborative Fund

Collaborative Fund is a water-focused venture capital that has backed 4 water companies since 2010. (don't) Waste Water rates its water commitment Committed.

Committed
Water Commitment
Type
Venture Capital
AUM
$1.0B
Founded
2010
HQ
347 Bowery 2nd floor, New York, NY 10003, United States
Stage
Pre-Seed - Series A
Median round
$5.7M
Portfolio
4 cos

Water Commitment Score

Tier
Committed
4 water companies · last deal 2025 · leads ~20% of rounds · High confidence
How this is scored ↗
as of Jun 2026 · no pay-to-rank

Compiled from official filings, third-party records, and direct intelligence from investors and founders, in Leviathan · recomputed monthly · as of Jun 2026.

How they invest

Pre-Seed1
Seed3
Series A1
Median round$5.7Mrange $2M - $12M · 5 disclosed

Portfolio · 4 water companies

Solidec
Solidec develops modular electrochemical reactors for on-site and on-demand production of hydro
$2MPre-Seed · 2025
Cala Systems
Cala Systems develops compact residential heat-pump water heaters that use a smart, software-co
$5.6MSeed · 2024
Floodbase
Floodbase offers a satellite-powered data platform that fuses multi-sensor remote sensing, hydr
$12MSeries A · 2023
Wasted (Wasted PBC)
Wasted PBC is a Vermont-based public benefit company that develops and operates urine-diverting
$5.7MLED Seed · 2023

See the full portfolio in Leviathan →

Invests alongside

Lowercarbon Capital2x Burnt Island Ventures2x Third Sphere1x Riverstyx Foundation1xCool Climate Collective1x Divergent Capital1xDartmouth Angels1xDay One Ventures1xPossibilian1x

Highlighted = profiled on (don't) Waste Water.