Investing in solutions to some of the most significant global challenges of this century

Arctern Ventures

ArcTern Ventures (formerly the MaRS Cleantech Fund) is a privately-backed venture capital fund that provides early-stage capital to companies developing breakthrough ideas in the cleantech sector.   The Fund has developed a unique early-stage investment model through its partnership with MaRS, one of the largest innovation centres in world.

Dividing Image
Dividing Image
Dividing Image
Dividing Image


  • The Future of Energy

    Managing Partner Tom Rand discusses how MaRS Cleantech works to affect the big picture: economic growth, climate disruption, cleantech innovation and energy incumbents. Featuring ArcTern portfolio companies Sparq, Woodland Biofuels, Hydrostor and Morgan Solar. Future of energy: Tom Rand (Full) from MaRS Discovery District on Vimeo.
  • SmarterAlloys: Bringing metal alloys to life

    SmarterAlloys enables metal alloys and even plastic polymers to behave like artificial muscle, changing shape on demand.  SmarterAlloys is the only company in the world with the ability to embed multiple permanent memories or pseudo-elastic forces into a single shape memory alloy (SMA).  Until now, only a single memory or force profile could be programmed into an SMA,
  • Morgan Solar: Next-generation solar is born

    Hard to believe solar energy can be disrupted yet again, particularly after the precipitous fall in solar panel pricing over the last several years. Well – it can. Canadian cleantech star Morgan Solar is set to deliver the world’s lowest-cost, highest-yield grid-scale solar energy with their much-anticipated Savannah and Sun Simba products. Watch for 5c/kwh solar