Angel · WATER INVESTOR

Bellingham Angel Investors

Bellingham Angel Investors is a water-focused angel that has backed 1 water company since 2005. (don't) Waste Water rates its water commitment One-Off.

One-Off
Water Commitment
Type
Angel
Founded
2005
HQ
Bellingham, USA
Stage
Seed - Series A
Median round
$3.7M
Portfolio
1 cos

Water Commitment Score

Tier
One-Off
1 water companies · last deal 2020 · leads ~50% 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$3.7Mrange $1.5M - $6M · 2 disclosed

Portfolio · 1 water companies

Membrion
Membrion is a developer of durable ceramic ion exchange membranes for electrodialysis treatment
$6MLED Series A · 2020

See the full portfolio in Leviathan →

Invests alongside

WRF Capital1xSeaChange Fund1xSierra Angels1xSand Hill Angels1x E8 Angels (E8 Fund)1x

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