Investing in the Future of Our Planet

Thistledown Investments Inc. funds breakthrough technology solutions for global decarbonization and cutting-edge scientific developments, including fusion energy.

Investment Thesis

We believe that the transition to a carbon-neutral economy is the greatest economic opportunity of our time. We back founders building the impossible to ensure a livable future.

Core Focus

Our capital is dedicated to decarbonization technologies and advanced scientific platforms like fusion energy, where high-risk research meets high-impact outcomes.

Global Impact

While based in Ottawa, our orientation is global. We support scientific developments that transcend borders to solve the climate crisis on a planetary scale.

Strategic Investment Sectors

Pioneering the next generation of industrial and scientific breakthroughs.

Decarbonization Solutions

Scaling technologies that eliminate carbon from heavy industry, shipping, and aviation.

Fusion Energy

Commercializing zero-carbon baseload power through innovative plasma physics and engineering.

Climate Tech Infra

Building the physical backbone for a sustainable economy, from grid storage to green hydrogen.

Scientific Platforms

Supporting foundational research tools that accelerate discovery in materials science and biology.

Carbon Capture

Direct air capture and mineralization techniques to reverse historical atmospheric carbon levels.

Sustainable Materials

Replacing petrochemical-based products with circular, bio-based, or synthetic alternatives.

$450M+
Capital Deployed
24
Portfolio Companies
1.2M
Tons CO2 Abated
12
Scientific Patents

News & Insights

Deal

Series B Lead in Helios Fusion

Thistledown leads $80M round to accelerate pilot reactor construction in Ontario.

Milestone

Carbon-Negative Steel Breakthrough

Portfolio company FerroGreen achieves first production run with zero fossil fuel inputs.

Press

Venture Capital for Global Good

Founder interviewed by Financial Post on the role of private capital in climate action.

Insight

The Future of Fusion Policy

Whitepaper on regulatory frameworks needed for the 2030 energy transition.

Office Address

99 Bank Street, Suite 1420
Ottawa, ON K1P 1H4

Direct Inquiry

Email: info@thistledowninvestments.bond
Phone: +1 (613) 487-2095

Connect

Connect with our team to discuss new opportunities or partnership inquiries.

Partner with Thistledown

Are you a founder building the next breakthrough in fusion or decarbonization? We provide more than just capital; we provide the strategic network to scale scientific innovation.

Submit Opportunity

Send your deck or proposal to our investment committee.

Investor Inquiry

Request Meeting

For institutional partners and strategic collaborators.

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