Investors / United States / Helios Climate Ventures
Helios Climate Ventures
Venture capital · Denver, CO, United States · North America
Helios Climate Ventures is an investor in a small number of early stage companies working on climate technology. It describes itself as an active manager of its investments, investing alongside other investors and specializing in the energy storage ecosystem.
Invests inIndustrial & ManufacturingEducationAI & Machine Learning
In its own wordsclimate techenergy storageenergytransportationearly stage
Your fit with Helios Climate Ventures
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsHelios Climate Ventures lists 10 checked portfolio companies on its own site and is named in 3 funding rounds, 1 of them as lead. Its most frequent entry is Series A, 33% of the companies with a known first round. Its largest themes are Industrial & Manufacturing (35%), Education (24%) and AI & Machine Learning (18%). 100% of its companies are based in United States. It invests most often alongside Clean Energy Ventures, Entrada Ventures and Innova Capital Partners.
Counts come from funding rounds that name Helios Climate Ventures, complete from mid-2025: earlier rounds appear only when they were reported later. Round amounts and full round histories are on Fundup AI.
Round figures show recent activity, not Helios Climate Ventures' whole history. Rounds on record name 3 companies; its own site lists 10. Funding rounds are complete from mid-2025, so counts and the yearly trend undercount a firm that invested before then. The portfolio, themes and places come from its own site and are not affected.
Entry stage
share of companies by the stage of its first roundShow as a table
| Value | |
|---|---|
| Pre-seed | 0% |
| Seed | 0% |
| Series A | 33% |
| Series B | 33% |
| Growth | 33% |
Activity by year
rounds it joined, last 10 yearsShow as a table
| Total | Rounds it led | |
|---|---|---|
| '17 | 0 | 0 |
| '18 | 0 | 0 |
| '19 | 0 | 0 |
| '20 | 0 | 0 |
| '21 | 0 | 0 |
| '22 | 0 | 0 |
| '23 | 0 | 0 |
| '24 | 0 | 0 |
| '25 | 1 | 1 |
| '26 | 2 | 0 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 23th | 10 companies |
| Recent activity | 76th | 3 rounds in 12 months |
| Early stage | 54th | 0% of entries at pre-seed or seed |
| Evidence | 77th | 10% of companies confirmed by a round |
| Sector focus | 65th | 35% in its largest sector |
| Reach | 19th | 1 country |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Clean Energy Ventures | 2 |
| Entrada Ventures | 2 |
| Innova Capital Partners | 2 |
| Alpha Ascent Ventures | 1 |
| Angeleno Group | 1 |
| Anthropocene Ventures | 1 |
| Asymmetry Ventures | 1 |
| Atlas Innovate | 1 |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers10100%
- No longer answers00%
- Points to another company00%
- Parked or sold domain00%
A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| Industrial & Manufacturing | 35% | 7% |
| Education | 24% | 7% |
| AI & Machine Learning | 18% | 18% |
| Mobility & Logistics | 12% | 1% |
| Food & Agriculture | 6% | 3% |
| E-commerce & Marketplaces | 6% | 6% |
Co-investor network
who it backs companies with, and who they back togetherAll co-investors or Compare portfolios with Clean Energy Ventures
Compare Helios Climate Ventures head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Recent portfolio activity
when companies last raised with Helios Climate Ventures| Date | Company | Stage |
|---|---|---|
| 11 Nov 2026 | Series B | |
| 18 Feb 2026 | Series A | |
| 4 Dec 2025 | Series C+ Led |
Round details for Helios Climate Ventures
Amounts, full round histories and every co-investor in Helios Climate Ventures' rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
10 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Alsym Energy develops and supplies non-flammable sodium-ion batteries for energy storage in data centers, defense, residential, utility, commercial, industrial, and mining applications. | Industrial & ManufacturingMobility & Logistics | Portfolio page | ||
| Aqua Membranes manufactures spiral-wound membrane elements for industrial reverse osmosis systems | Industrial & ManufacturingFood & Agriculture | Portfolio page | ||
| Coreshell builds batteries from Earth's most abundant materials to deliver high performance at radically lower costs. | EducationEducation | Nov 2026Series B | Funding round | |
| Coreshell builds batteries from Earth's most abundant materials to deliver high performance at lower costs | EducationEducation | Portfolio page | ||
| DG Matrix manufactures solid-state transformers and provides solutions for AI data centers, utility, and fleet electrification. | AI & Machine LearningIndustrial & Manufacturing | Feb 2026Series A | Funding round | |
| Factorial Energy develops solid-state batteries for eMobility, defense, and AI/robotics. | Mobility & LogisticsIndustrial & Manufacturing | Portfolio page | ||
| GDI develops and manufactures 100% silicon anodes for lithium-ion batteries. | E-commerce & MarketplacesAI & Machine Learning | Portfolio page | ||
| Maxterial is a technology company that is focused on advanced chemicals and coatings. | Industrial & Manufacturing | Portfolio page | ||
| Portfolio page | ||||
| ZincFive produces nickel-zinc batteries and power solutions | Industrial & ManufacturingAI & Machine Learning | Dec 2025Series C+ | Page + round |
About this data
site last read 5 Nov 2026- Site
- helioscv.com
- Last read
- 5 Nov 2026
- Watching since
- 5 Nov 2026
- Rounds since
- 4 Dec 2025
- Companies checked
- 10
Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.
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