Overture VC

Antora Energy is an American energy technology company that specializes in thermal energy storage, using solid carbon blocks to store energy as heat for industrial applications.

Unlocking geothermal for any real estate in any location. Bedrock's novel technology makes geothermal borehole fields affordable, fast, and space-efficient to install, transforming the heating & cooling of buildings.

Alta Technologies uses engineered proteins to separate rare earth elements and strategic metals from complex material streams with unmatched selectivity.

Blue Energy de-risks nuclear construction through fixed-price contracting at fab yards and shipyards, enabling project finance.

Floodbase is an end-to-end solution enabling insurance products for previously uncovered flood risk, providing parametric flood insurance that pays out based on the magnitude of flooding.

BurnBot delivers scalable, precision fuels management to protect homes, infrastructure, and landscapes—before disaster strikes.

Crux is the capital platform supercharging the clean economy by making capital markets more liquid, efficient, and intelligent.

Forum Mobility delivers turnkey zero-emission solutions to help freight carriers confidently electrify their fleets, providing charging depots, electric truck leasing, and innovative financing.

Applied Carbon develops mobile technology that converts agricultural crop residues into biochar, enhancing soil health and sequestering carbon permanently.

BioSqueeze is a company specializing in biomineralization technology to address well integrity challenges in the oil and gas industry, providing innovative solutions from spud to plug.

Blumen Systems provides AI-powered solutions for infrastructure and permitting, helping developers and engineering firms automate workflows and manage regulatory compliance.

Prelude Ventures manages capital exclusively for the climate-focused Simons family, creating a single-LP structure that demands strict venture returns from a 100% climate portfolio while applying a hard "no fossil fuels" rule that rejects any technology making oil, gas, or coal extraction cheaper or longer-lived. The firm combines deep technical operating experience with climate activism roots and has invested continuously through climate tech's "dark years" since 2009, positioning itself as a climate generalist comfortable with high capital intensity and long hardware timelines across the entire low-carbon economy.

Early-stage and continuity backer that enters as a first check, leveraging deep cleantech cycles experience and multidisciplinary underwriting to support technically complex hardware-plus-software climate founders through valley of death. Co-founded by cleantech venture veterans investing through multiple boom-and-bust cycles since the mid-2000s, providing deep pattern recognition and disciplined approach shaped by Cleantech 1.0 experience. Operates with long-duration fund structure allowing entry at earliest stages and continued backing through separate Continuity Fund as companies scale.

Rolling micro-fund and syndicate that mobilizes 2,000+ operator and angel LP co-investors into a broad distribution and mentorship network for climate startups.

Leads deep-tech, hardware-heavy climate investments across cutting emissions, carbon removal, and time-buying solutions, backing nonprofit research and offering in-house scientific expertise plus hands-on technical, hiring, and regulatory support.

Canada's largest dedicated climate-tech seed fund with over $180M–$200M AUM. Operates a capital + talent model with shared talent hub for portfolio companies. Only backs business models where revenue growth is directly tied to climate outcomes and tracks tonnes of CO₂e mitigated as their north star metric. Founded by Mike Winterfield, formerly President of Randstad Professionals managing $300M in revenue.