/Investor DB

BURNT ISLAND VENTURES — 2026 Investments

4 investments dated 2026 · listed companies and verified rows first · show all

Aqua Membranesaquamembranes.comin𝕏Jun 2026

Aqua Membranes makes precision-printed elements for industrial reverse osmosis (RO) systems, designed to increase production, lower energy costs, reduce cleaning cycles, and improve recovery without retrofits.

Advanced ManufacturingCleantechHardwareNew MaterialsAlbuquerque, US

Rodney Herrington(Founder)inCraig Beckman(CEO)inChristopher Kurth(Chief Technology Officer)inRick Sanders(Director)Michael Reardon(Director)Stuart Schoenmann(Director)

Board seatSteve Kloos· per SEC Form D

Co-investorsClean Energy VentureClean Energy VenturesHelios Climate VenturesMicron VenturesNovaCapitalCycle Capital

Aquisenseaquisense.comin𝕏Apr 2026

AquiSense develops UV-C LED water disinfection systems that treat water without chemicals, serving homes, factories, restaurants, remote communities, and space applications.

CleantechDeep TechHardwareKentucky, US

Oliver Lawal(President & CEO)inStuart Bauman(CFO/Treasurer)inJennifer Pagán(CTO)in

Board seatSteve Kloos· per SEC Form D

Co-investorsKeyhorse Capital

Biotabiota.comJul 2026 · $3M

Longmont, US

Rose Nash(Executive Officer, Director)

PartnerTom Ferguson· quoted

Board seatSteve Kloos· per SEC Form D

Co-investorsBaruch Future VenturesAntlerDeepWork Capital

Crew Carboncrewcarbon.cominSeries A · May 2026 · $19M

CREW is a Yale spinout that adds calcium carbonate (ground limestone) to wastewater treatment plants to intensify biological treatment, cut chemical costs, and permanently remove carbon dioxide.

CleantechClimate TechDeep TechNew Haven, US

Joachim Katchinoff(Co-founder & CEO)inNoah Planavsky(Co-Founder & Scientific Advisor)in

Co-investorsAP VenturesConnecticut InnovationsCounteract OneEcho River CapitalEmerald Technology Ventures AgPonderosa Ventures+4 more

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.