---
title: "660 Climate Tech Investors (Nov 2026): Top 10 by Fund Activity"
last_updated: "2026-11-09"
rows: "660"
free_rows: "25"
source: "SEC Form D filings and our own research"
canonical: "https://theinvestordatabase.com/lists/climate-tech-investors/"
---

# 660 climate tech investors

We list 660 climate tech investors as of November 2026: 258 have an SEC filing on file and 402 were checked on the firm's own website or an official register, and the list was last checked on 9 Nov 2026. The states with the most are California (98), New York (40) and Massachusetts (19).

- 660 investors
- 295 with a fund filing or dated deal in the last 12 months
- $75M median fund size on file (SEC Form D, 189 firms)
- 2,847 named decision-makers on file

## First 25 of 660 climate tech investors

| Investor | Type | HQ | Stages (our research) | Focus (our research) | Latest fund or deal | Fund size | Checked | Profile |
|---|---|---|---|---|---|---|---|---|
| Aramco Ventures | Corporate VC | Saudi Arabia (London office) | Seed, Series A, Growth, Late stage | Climate Tech, Energy, Industrial Tech, AI | Portfolio news, Sep 2026 | $7.5B (own site) | 2026-11-05 | https://theinvestordatabase.com/investors/aramco-ventures/ |
| At One Ventures | VC firm | Menlo Park, CA | Seed, Series A | Climate Tech, Agritech, Industrial Tech, AI | New deal, Sep 2026 | $375M (SEC Form D, 2022) | 2026-11-04 | https://theinvestordatabase.com/investors/at-one-ventures/ |
| ClearSky | VC firm | West Palm Beach, FL | Growth | Climate Tech, AI, Energy, Cybersecurity | New fund, Nov 2026 | $500M (SEC Form D, 2024) | 2026-11-04 | https://theinvestordatabase.com/investors/clearsky/ |
| Energize Ventures | VC firm | Chicago, IL | Series A, Series B, Growth, Any stage | Climate Tech, Energy, AI, Industrial Tech | New deal, Sep 2026 | $328M (SEC Form D, 2020) | 2026-11-05 | https://theinvestordatabase.com/investors/energize-ventures/ |
| Wave Equity Partners | VC firm | Boston, MA | Growth | Climate Tech, Energy, Industrial Tech, Mobility | New fund, Sep 2026 | $250M (SEC Form D, 2023) | 2026-11-04 | https://theinvestordatabase.com/investors/wave-equity-partners/ |
| SOSV | VC firm | United States | Pre-seed | Climate Tech, Deep Tech, Healthtech, Biotech | Portfolio news, Nov 2026 | $131M (SEC Form D, 2022) | 2026-11-04 | https://theinvestordatabase.com/investors/sosv/ |
| Energy Impact Partners | VC firm | United States (London office) | Seed, Series A, Series B, Growth | Climate Tech, Energy, AI, Cybersecurity | Portfolio news, Nov 2026 | $4.5B (own site) | 2026-11-05 | https://theinvestordatabase.com/investors/energy-impact-partners/ |
| Green Angel Ventures | SEIS/EIS fund | London, United Kingdom | Seed | Climate Tech, Energy, Industrial Tech, Fintech | Portfolio news, Aug 2026 | £60M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/green-angel-ventures/ |
| LMNT Ventures | VC firm | Mercer Island, WA | Seed | Climate Tech, Proptech, Robotics, Mobility | New fund, Sep 2026 | $80M (SEC Form D, 2026) | 2026-11-04 | https://theinvestordatabase.com/investors/lmnt-ventures/ |
| Toyota Ventures | Corporate VC | Los Altos, CA | Seed, Series A | Climate Tech, AI, Energy, Industrial Tech | Portfolio news, Oct 2026 | $928M (SEC Form ADV) | 2026-11-05 | https://theinvestordatabase.com/investors/toyota-ventures/ |
| Redbud VC | VC firm | Columbia, MO | Pre-seed | Climate Tech, Healthtech, Agritech, AI | New fund, Sep 2026 | $25M (SEC Form D, 2025) | 2026-11-04 | https://theinvestordatabase.com/investors/redbud-vc/ |
| Battery Ventures | VC firm | Boston, MA | Any stage | Climate Tech, Energy, Biotech, Future of Work | Portfolio news, Jul 2026 | $3.2B (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/battery-ventures/ |
| Longrun Capital | VC firm | San Francisco, CA | Seed, Series A | Climate Tech, Industrial Tech, AI, Energy | New deal, Sep 2026 | $22M (SEC Form D, 2026) | 2026-11-04 | https://theinvestordatabase.com/investors/longrun-capital/ |
| Clean Energy Ventures | VC firm | Boston, MA | Seed, Series A | Climate Tech, Energy, Fintech, Deep Tech | New deal, May 2026 | $306M (SEC Form D, 2022) | 2026-11-05 | https://theinvestordatabase.com/investors/clean-energy-ventures/ |
| Innovation Industries | VC firm | Amsterdam, Netherlands | Series A, Series B, Growth | Climate Tech, Deep Tech, AI, Healthtech | New fund, Oct 2026 | €1.0B (own site) | 2026-11-07 | https://theinvestordatabase.com/investors/innovation-industries-capital-partners-b-v/ |
| Seraphim Space | VC firm | London, United Kingdom | Seed, Series A, Growth | Climate Tech, Space, Mobility, Deep Tech | New fund, Oct 2026 | $1.0B (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/seraphim-space/ |
| UVC Partners | VC firm | Garching, Germany | Pre-seed, Seed, Series A | Climate Tech, Deep Tech, Mobility, AI | New deal, Sep 2026 | €800M (own site) | 2026-11-07 | https://theinvestordatabase.com/investors/unternehmertum-venture-capital-partners-gmbh-2/ |
| PXN Ventures | Fund manager | Manchester, United Kingdom | Pre-seed, Seed, Series A, Growth | Climate Tech, Generalist, SaaS, Deep Tech | Portfolio news, Nov 2026 | £760M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/pxn-ventures/ |
| Blackhorn Ventures | VC firm | Denver, CO | Seed, Series A | Climate Tech, AI, Energy, Developer Tools | New deal, Jul 2026 | $250M (SEC Form D, 2022) | 2026-11-04 | https://theinvestordatabase.com/investors/blackhorn-ventures/ |
| Claret Capital Partners | Venture debt | London, United Kingdom | Series B, Growth, Late stage | Climate Tech, Healthtech, Biotech, SaaS | New deal, Oct 2026 | €575M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/claret-capital-partners/ |
| Khosla Ventures | VC firm | Menlo Park, CA | Pre-seed, Seed, Series A, Growth | Climate Tech, AI, Consumer, B2B | New fund, Aug 2026 | $1.9B (SEC Form D, 2025) | 2026-11-04 | https://theinvestordatabase.com/investors/khosla-ventures/ |
| DCVC | VC firm | Palo Alto, CA |  | Climate Tech, Energy, Healthtech, AI | New fund, Oct 2026 | $800M (SEC Form D, 2025) | 2026-11-04 | https://theinvestordatabase.com/investors/dcvc/ |
| All Aboard | VC firm | New York, NY | Growth | Climate Tech, Energy, Industrial Tech, AI | New fund, Aug 2026 | $106M (SEC Form D, 2026) | 2026-11-04 | https://theinvestordatabase.com/investors/all-aboard/ |
| Overlap Holdings | VC firm | Hicksville, NY | Seed, Series A, Series B | Climate Tech, AI, Energy, Healthtech | New fund, Oct 2026 | $16M (SEC Form D, 2023) | 2026-11-04 | https://theinvestordatabase.com/investors/overlap-holdings/ |
| eCAPITAL | VC firm | Münster, Germany | Seed, Series A, Series B | Climate Tech, Deep Tech, AI, Cybersecurity | Portfolio news, Sep 2026 | €400M (own site) | 2026-11-07 | https://theinvestordatabase.com/investors/ecapital-entrepreneurial-partners-ag/ |

You are seeing 25 of 660. The full list adds 635 more investors and 2,847 named decision-makers.

Get all 660 investors and 2,847 named contacts, $297, one-time: https://theinvestordatabase.com/buy/bundle
This page: https://theinvestordatabase.com/lists/climate-tech-investors/

## Method and limits
- Source: 258 of the 660 rows carry an SEC filing (Form D or Form ADV). 658 of the 660 have a website we checked; the other 2 rest on the filing or register entry alone. Filing date and fund size are SEC data where a filing exists. Stage, sector and check size are our research.
- Inclusion rule: Organizations that back startups. Individuals, buyout funds and firms we found to be inactive are left out. Sector: the firm states climate tech as a focus on its own site, or we observed it in the firm's portfolio.
- Order: Activity score out of 100: recency of the latest fund filing or dated deal (40: within 3 months 40, 6 months 30, 12 months 20, 24 months 10), share of the observed portfolio in this sector (30; 15 when the sector is stated only), size of the fund on file on a log scale (20) and completeness of the public record (10). It is a measure of activity and fit, not of quality or returns.
- Fill rates: Of 660 rows: stage 571, sector 660, fund size 366, website 658. In the paid file: named decision-makers on 583 rows, firm email on 328, LinkedIn page on 433, check size on 186.

## Questions
### How many climate tech investors are there?
We list 660 as of November 2026. 295 of the 660 have a fund filing or a dated deal in the last 12 months. By region: United States (260), United Kingdom (146) and Europe (250).

### Which climate tech investors raised a new fund in the last 12 months?
107 of the 660 have a fund filing dated in the last 12 months. The most recent on this list are Reveille (Nov 2026), ClearSky (Nov 2026) and Future Ventures (Oct 2026).

### What is the typical fund size of climate tech investors?
The median fund size on file for this list is $75M, across the 189 firms with a size on an SEC Form D. The fund on file is each firm's main fund, which is not always its newest. The other 471 do not disclose a size there.

### Which stage do most climate tech investors back?
Of the 571 with a stage on file, seed (458), Series A (263) and pre-seed (230). A firm can back more than one stage, and 89 rows have no stage on file yet.

### Where does the data on climate tech investors come from and how often is it updated?
258 of the 660 rows have an SEC filing on file (Form D or Form ADV) and 402 were checked on the firm's own website or an official register. Filing date and fund size come from the filing. Stage, sector and check size are our research. Rows on this list were last checked on 9 Nov 2026 at the latest. The whole file is re-verified twice a year.

### Can I download the list of climate tech investors as a spreadsheet?
Yes. The file holds all 660 rows in Excel and CSV, with 2,847 named decision-makers and 328 firm emails, for $297 one-time as part of Global Bundle. 25 rows are free on this page.