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§ Venture Capital · San Francisco, CA, USA
venture capital firm investing in early-stage climate tech startups focused on clean energy, mobility, and industrial decarbonization.
ArcTern Ventures is a Toronto-based venture capital firm that invests in early-stage climate technology and sustainability startups operating across North America and Europe. The firm provides financial backing and strategic support to companies developing hardware and software solutions in clean energy, mobility, circular economy, and industrial decarbonization. ArcTern Ventures currently manages over $500 million in total assets under management, a figure bolstered by the recent close of its oversubscribed $335 million third fund. To finance these investments, the firm raises capital from major institutional limited partners, securing commitments from financial entities including TD Bank Group and Allianz. Its active investment portfolio features prominent clean technology companies such as energy storage developer Hydrostor, smart electrical panel maker Span, and solar installation platform Palmetto. The organization was originally established in 2012 by co-founders Murray McCaig and Tom Rand.
Key people at ArcTern Ventures.
ArcTern Ventures is a Toronto-based venture capital firm specializing in early-stage investments in breakthrough clean technologies aimed at combating climate change and advancing sustainability. Their mission is to back entrepreneurs developing solutions that significantly reduce greenhouse gas emissions, aligning their investment strategy with the Paris Agreement. ArcTern focuses on sectors such as clean energy, energy efficiency and storage, circular economy, advanced manufacturing and materials, and mobility. By providing hands-on support and leveraging a strong global network, ArcTern helps startups scale from early stages to market leadership, thereby playing a critical role in accelerating the transition to a low-carbon economy[1][2][3][5].
Founded in 2012, ArcTern Ventures was established by former startup entrepreneurs who understood the challenges of building companies and were motivated to address climate change through technology. The firm launched its first fund, MaRS Cleantech Fund I L.P., with $22 million in commitments, focusing on Canadian pre-seed and seed startups. Over time, ArcTern expanded its geographic and investment scope, closing Fund II in 2019 with $146 million and Fund III in January 2024 with $337 million, targeting Series A and B startups across North America and Europe. Key partners include experienced investors and former founders who bring operational expertise and a deep commitment to sustainability[2][3][6].
ArcTern Ventures rides the accelerating global trend toward decarbonization and sustainability, capitalizing on increasing regulatory pressure, corporate commitments to net-zero, and growing consumer demand for clean technologies. The timing is critical as governments and industries worldwide mobilize capital to meet climate goals, creating a fertile environment for cleantech innovation. ArcTern’s focus on early-stage companies positions it to influence the ecosystem by identifying and scaling transformative technologies that can disrupt traditional energy, manufacturing, and mobility sectors. Their investments help bridge the funding gap for capital-efficient startups, fostering a more sustainable economy and encouraging transparency and accountability in environmental impact[2][3][6].
Looking ahead, ArcTern Ventures is poised to deepen its influence by continuing to scale its funds and expand its portfolio across North America and Europe. The firm will likely focus on emerging technologies that address systemic climate challenges, such as advanced energy storage, carbon removal, and circular economy innovations. As climate policies tighten and market demand for sustainable solutions grows, ArcTern’s role as an early-stage investor with operational expertise will become increasingly vital in shaping the future of clean technology. Their commitment to impact-driven investing suggests they will also lead efforts to standardize environmental impact measurement and reporting among startups, further driving the sector’s maturity and effectiveness[2][3].
Key people at ArcTern Ventures.
ArcTern Ventures has more than 26 tracked investments across 25 companies. The latest tracked deal is $50.0M Other Equity in Normal Computing in March 2026.