WindSail Capital Group
Description
WindSail Capital Group is a Boston-based investment firm dedicated to providing growth capital to early commercial companies at the forefront of energy innovation and sustainability. The firm focuses on businesses that have demonstrated proven technology, achieved initial customer traction, and possess a clear pathway to profitability. WindSail's investment philosophy centers on supporting the commercialization and scaling of these critical technologies, contributing to a more sustainable future.
WindSail offers flexible financing solutions designed to meet the unique capital needs of its portfolio companies. These solutions include venture debt, royalty financing, and equity investments, allowing companies to secure growth capital without necessarily incurring significant equity dilution. The firm typically targets companies with revenues ranging from $5 million to $50 million, and its initial investment sizes generally fall between $5 million and $20 million. This strategic flexibility enables WindSail to tailor its support to various stages of early commercial growth.
The firm's investment scope is broad within the clean energy and sustainability sectors, encompassing areas such as renewable energy, energy efficiency, smart grid technologies, advanced materials, water technologies, and sustainable agriculture. WindSail has demonstrated substantial capacity and commitment to the sector, having successfully closed its fourth fund, WindSail Capital Fund IV, at $290 million in 2022. This brings their total capital under management to over $500 million, solidifying their position as a significant player in the sustainable technology investment landscape.
Investor Profile
WindSail Capital Group has backed more than 41 startups, with 3 new investments in the last 12 months alone. The firm has led 11 rounds, about 27% of its total and boasts 13 exits across its portfolio.
Investment Focus Highlights
- Concentrates on Debt Financing, Series Unknown, Seed rounds (top funding stages).
- Majority of deals are located in United States, Canada, Germany.
- Strong thematic focus on Energy, Software, Manufacturing.
- Led 1 rounds in the past year.
- Typical check size: $5M – $20M.
Stage Focus
- Debt Financing (59%)
- Series Unknown (37%)
- Seed (5%)
Country Focus
- United States (88%)
- Canada (10%)
- Germany (2%)
Industry Focus
- Energy
- Software
- Manufacturing
- Renewable Energy
- Energy Efficiency
- Information Technology
- Clean Energy
- Electronics
- Biotechnology
- Saas
Frequently Asked Questions
Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.
