Thistledown Capital

Marvel Fusion is a developer of fusion energy technology used to offer environment-friendly and safe energy. Its reactor is based on the short pulse, high energy, and electrically efficient laser that is suited for commercializing baseload fusion electrical power helping consumers to access clean, safe, and reliable energy sources. The company was founded in 2019 and is headquartered in Munich, Bayern.

Loam Bio is a developer of microbial carbon sequestration technology for soil carbon restoration. Crops can be inoculated with symbiotic microorganisms that live in a mutualistic relationship with crops and build organic carbon in the soil, allowing farmers to improve the host plant's fertility and disease resistance while also assisting the soil around the plant's roots to store carbon more effectively, resulting in proper quality soil for future planting. Loam Bio was established in 2019 by Guy Hudson.

General Fusion develops utility-scale fusion power using a new, patent-pending concept based on recent developments in Magnetized Target Fusion (MTF). MTF has been relatively unexplored by the fusion community since the 1970s, but if proven it would provide a practical near-term path to fusion energy. It is the goal of General Fusion to demonstrate and commercialize this new clean, safe, and economical concept by the end of the decade. General Fusion is supported by a global syndicate of energy venture capital funds, industry leaders, & technology pioneers.

CarbonCure Technologies creates, develops, and licenses solutions that consume waste CO2 to make better concrete. It spurs the market shift towards affordable green concrete, by enabling concrete manufacturers to convert waste CO2 into solid minerals, locked away as a solid within concrete during manufacturing. It is a green building technology company currently serving concrete product manufacturers in the US and Canada. It offers concrete producers the ability to manufacture green concrete products without compromising on either quality or price. CarbonCure is a retrofit innovation that repurposes CO2 gas from large final emitters as a feedstock in concrete plants. The gas is permanently converted into embedded solid mineral carbonates that yield material, environmental, and production advantages. By enabling concrete manufacturers to consume CO2 into concrete products during manufacturing, the technology differentiates an otherwise traditional commodity concrete product, while achieving superior material performance characteristics. In addition to technology, CarbonCure provides demand-pull marketing and environmental reporting/certification services to reinforce its customers’ exclusive competitive positioning. The technology is licensed at a very low-CAPEX to concrete producers, generating a recurring revenue stream. CarbonCure Technologies was founded in 2007 and is headquartered in Halifax, Nova Scotia.