Long Run Capital
Emerging managerBuilt from this firm's Form D filings. The firm files no SEC adviser report.
- HQ
- CA
Long Run Capital invests in climate tech for the built environment, focusing on early-stage advanced materials and energy companies. Its portfolio includes companies working on airborne water, AI-driven energy optimization, ultrapure water, carbon-negative building materials, and smart tap water systems.
01 · Says / Does
| Tag | Says | Does |
|---|---|---|
| Stages | Seed, Series A | Not enough dated deals |
| Sectors | Energy, Advanced materials | Not enough dated deals |
| Regions | Not stated | Not enough dated deals |
Says: what the firm's funds state. Does: from 0 dated deals in the last 24 months.
02 · Fund history
| Fund | Year | Size | Status |
|---|---|---|---|
| Long Run Capital III, LP Longrun Capital invests in early-stage climate tech companies focused on advanced materials and energy for the built environment, aiming to reduce carbon emissions in construction and real estate. Inferred from the firm's website | 2026 | $21.92M (Form D) | Raising |
03 · People across funds
- Daniel Maren, Managing Member of the General Partner and Investment Manager
Long Run Capital III, LP (Named on Form D)
- Wilson Patton, Managing Member of the General Partner and Investment Manager
Long Run Capital III, LP (Named on Form D)
04 · Recent deals
No dated deals found yet.
05 · Latest from the firm
No news from the firm's website yet.
06 · Sources
- https://www.longruncapital.com
- https://www.longruncapital.com/
- https://www.longruncapital.com/portfolio/
Fund dates and sizes are from SEC Form D filings.
Last verified: Oct 28, 2026