Fine Structure Ventures

Femtosense is a technology company.

Mainspring Energy is engineering advanced technology by developing a prototype of a linear generator that converts fuel to electricity. Mainspring was founded in 2010 by three Stanford engineers- Shannon Miller, Adam Simpson, and Matt Svrcek. Today Mainspring brings together a diverse, talented team of individuals who share the vision to address the growing threat of climate change and the need for affordable electricity for all.

Finwave Semiconductor develops a 3DGaN technology designed to enhance 5G devices.

Nitricity is an energy company that creates renewable nitrogen fertilizer production with zero carbon emissions.

Mainspring Energy is engineering advanced technology by developing a prototype of a linear generator that converts fuel to electricity. Mainspring was founded in 2010 by three Stanford engineers- Shannon Miller, Adam Simpson, and Matt Svrcek. Today Mainspring brings together a diverse, talented team of individuals who share the vision to address the growing threat of climate change and the need for affordable electricity for all.

Quaise is an energy company that is developing and commercializing novel millimeter-wave drilling systems to harness geothermal energy around the globe, overcoming the geographic constraints limiting this energy source today. The company was founded in 2018 and is based in Cambridge, Massachusetts.

Radian Aerospace (Radian) is disrupting the aerospace industry with a next generation aerospace vehicle that is the world’s first fully reusable horizontal takeoff and landing, single-stage to orbit spaceplane, delivering people and light cargo to low earth orbit (LEO) and multiple terrestrial destinations with aircraft-like operations.

Phytoform Labs is a biotechnology company which aims to help breeders to cut down plant breeding times from decades to years using new gene editing technologies. Predictably evolving plants will maximise yields for breeders and improve the economics of breeding for customers.

Sepion is an advanced membrane company offering a platform suite of highly-tunable nanoscale membranes for multiple industrial markets. The company was founded in 2015 and is based in Emeryville, California, United States.

Analytical Space, Inc. operates a satellite relay network that facilitates the rapid transmission of data from imaging satellites to the ground. Founded in 2016 and based in Cambridge, Massachusetts, the company focuses on creating an in-orbit communication infrastructure that enhances the accessibility and immediacy of satellite data. By offering services that ensure backward compatibility, high throughput, and low latency, Analytical Space aims to provide satellite operators with real-time insights into global developments.

Mantle is an engineering and manufacturing company that has developed metal 3D printing technology to produce high-resolution parts that meet the critical needs of applications from automotive and aerospace to consumer product design and prototyping.

Nitricity is an energy company that creates renewable nitrogen fertilizer production with zero carbon emissions.

Debut is an unconventional innovation company that integrates breakthrough biotechnology and brand creation to build businesses that represent the next generation of sustainable wellness. With proprietary screening, testing, and cell-free biomanufacturing technology, we unlock novel activities to power global personal care and health brands. Their mission is to set a new standard for big business through a dynamic intrapreneurial model and to create purposeful brands that push humanity forward. The company creates sustainable novel ingredients, products, and brands that will accelerate the transformation of the industry.

Gilmour Space Technologies is an Australia and Singapore-based rocket company that is developing and launching low-cost hybrid launch vehicles for small satellites. Gilmour Space is tracking to launch our Eris orbital launch vehicles and G-Sat small satellite bus/platforms to Low Earth Orbits (LEO) in 2024.

Boston Metal is a metallurgy company developing technology to reduce the carbon footprint of steel production. The company provides industrial-scale, metal production solutions utilizing its Molten Oxide Electrolysis (MOE) process. MOE provides the metals industry with a more efficient, lower-cost, and greener solution for the production of a wide array of metals and alloys from a wide variety of feedstocks. Boston Metal was spun out of MIT in 2012 with an investment from Ingo Wender and has since scaled the technology 1,000x and produced thousands of kilograms of metal. Boston Metal’s headquarters and industrial development center are located in Woburn, MA.