VC · WATER INVESTOR

Main Sequence

Main Sequence is a water-focused venture capital that has backed 2 water companies since 2017. (don't) Waste Water rates its water commitment Committed.

Committed
Water Commitment
Type
Venture Capital
AUM
$1.0B
Founded
2017
HQ
Eveleigh, Australia
Stage
Seed - Series A
Median round
$12.2M
Portfolio
2 cos

Water Commitment Score

Tier
Committed
2 water companies · last deal 2025 · leads ~100% of rounds · Med 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

Seed1
Series A1
Median round$12.2Mrange $6.9M - $17.5M · 2 disclosed

Portfolio · 2 water companies

ElectraLith
ElectraLith develops a continuous electro-membrane extraction platform that drives lithium ions
$17.5MLED Series A · 2025
Xefco
Xefco has developed a patented atmospheric-plasma and chemical-vapour deposition system that ap
$6.9MLED Seed · 2024

See the full portfolio in Leviathan →

Invests alongside

State Government of Victoria2x Investible (Climate Tech Fund)1x Virescent Ventures (Clean Energy Finance Corporation)1xVoyagers Climate-Tech Fund1xIP Group1x Moody's Corporation1xHostplus1x Monash University1xRio Tinto1x

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