Investors / United States / Cantos
Cantos
Venture capital · San Francisco, CA, United States · North America
Cantos is an investment firm that backs early-stage technology companies, with a portfolio spanning energy, defense, space, mining, nuclear, water, and advanced manufacturing. It frames its investing around building abundance and resilience through technology.
Invests inAI & Machine LearningIndustrial & ManufacturingHealthcare & Biotech
In its own wordsenergydefensespacenuclearadvanced manufacturingdeep tech
Your fit with Cantos
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsCantos lists 34 checked portfolio companies on its own site and is named in 7 funding rounds, 1 of them as lead. Its most frequent entry is Seed, 50% of the companies with a known first round. Its largest themes are AI & Machine Learning (33%), Industrial & Manufacturing (28%) and Healthcare & Biotech (16%). 97% of its companies are based in United States. It invests most often alongside Y Combinator, Andreessen Horowitz and Collaborative Fund.
Counts come from funding rounds that name Cantos, 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 Cantos' whole history. Rounds on record name 6 companies; its own site lists 34. 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 | 50% |
| Series A | 17% |
| Series B | 33% |
| Growth | 0% |
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 | 1 | 0 |
| '24 | 0 | 0 |
| '25 | 4 | 1 |
| '26 | 2 | 0 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 72th | 34 companies |
| Recent activity | 76th | 3 rounds in 12 months |
| Early stage | 73th | 50% of entries at pre-seed or seed |
| Evidence | 86th | 15% of companies confirmed by a round |
| Sector focus | 62th | 33% in its largest sector |
| Reach | 42th | 2 countries |
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| AI & Machine Learning | 33% | 18% |
| Industrial & Manufacturing | 28% | 7% |
| Healthcare & Biotech | 16% | 15% |
| Education | 9% | 7% |
| Space & Defense | 4% | 3% |
| Food & Agriculture | 2% | 3% |
| Robotics & Hardware | 2% | 1% |
| Real Estate & Construction | 2% | 3% |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Y Combinator | 5 |
| Andreessen Horowitz | 4 |
| Collaborative Fund | 4 |
| Fifty Years | 4 |
| Harpoon Ventures | 4 |
| KdT Ventures | 4 |
| Ravelin Capital | 4 |
| Aera VC | 3 |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers34100%
- 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.
Co-investor network
who it backs companies with, and who they back togetherCompare Cantos 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 Cantos| Date | Company | Stage |
|---|---|---|
| 12 Aug 2026 | Series B | |
| 11 May 2026 | Series A | |
| 16 Dec 2025 | Seed | |
| 20 Oct 2025 | Series B | |
| 20 Oct 2025 | Seed | |
| 18 Sept 2025 | Seed Led | |
| 24 Apr 2023 | Series B |
Round details for Cantos
Amounts, full round histories and every co-investor in Cantos' rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
34 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| The company is composed of engineers and operators who work on various projects | Industrial & Manufacturing | Portfolio page | ||
| Apex Space manufactures and delivers satellite platforms to customers | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
| Arbor develops and supplies power systems, including next-generation turbines, to deliver clean and reliable energy | EducationIndustrial & Manufacturing | Portfolio page | ||
| Astranis designs, manufactures, tests, and operates geostationary orbit satellites for commercial and government customers. | Space & DefenseAI & Machine Learning | Portfolio page | ||
| Atom Computing builds highly scalable, gate-based quantum computers with arrays of optically-trapped neutral atoms | Healthcare & BiotechIndustrial & Manufacturing | Portfolio page | ||
| The company operates a domain marketplace where users can buy, sell, and register domain names. | E-commerce & MarketplacesCybersecurity | Oct 2025Seed | Funding round | |
| Bedrock Energy provides geothermal heating and cooling systems for buildings using ground-source heat pumps. | EducationReal Estate & Construction | Portfolio page | ||
| Cache Energy provides long-term energy storage solutions | EducationIndustrial & Manufacturing | Portfolio page | ||
| Castelion designs, tests, and manufactures next-generation military systems rapidly and at massive scale to deter future wars. | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
| Character Bio is a clinical-stage biotechnology company developing new medicines for eye diseases | Healthcare & Biotech | Portfolio page | ||
| Debut combines AI and biotechnology to create beauty products | Healthcare & Biotech | Portfolio page | ||
| Dusty Robotics provides automated construction layout solutions | Industrial & Manufacturing | Portfolio page | ||
| Earth AI uses artificial intelligence to find and develop new mines for critical minerals | Industrial & ManufacturingAI & Machine Learning | Portfolio page | ||
| Faeth Therapeutics is developing novel therapeutics to treat cancer | Healthcare & Biotech | Oct 2025Series B | Page + round | |
| Fleetzero builds and designs cargo ships with modular designs, advanced manufacturing, and autonomous propulsion | Industrial & ManufacturingAI & Machine Learning | Portfolio page | ||
| Furno Materials is developing modular and energy-efficient cement plants to produce cement locally and efficiently | Industrial & Manufacturing | Portfolio page | ||
| Inpho develops revolutionary optical data connections for high performance cloud applications | Industrial & ManufacturingHealthcare & Biotech | Portfolio page | ||
| Intramotev develops and retrofits autonomous freight railcars with its TugVolt technology | Industrial & ManufacturingMobility & Logistics | Portfolio page | ||
| Limelight Steel uses the power of laser light to electrify the primary steelmaking process | Industrial & Manufacturing | Portfolio page | ||
| TLM develops, builds, and operates wood-processing infrastructure to connect America's timber to markets that need it. | Industrial & ManufacturingAI & Machine Learning | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- cantos.vc
- Last read
- 5 Nov 2026
- Watching since
- 5 Nov 2026
- Rounds since
- 24 Apr 2023
- Companies checked
- 34
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.
Get Cantos' profile as data
Pull Cantos' portfolio, co-investors and changes through one API key or MCP, open every portfolio row, compare it with other firms, and get an email when it adds a company or files a fund.
Work email, sign-in link by email. Already have an account? Log in- Ask AI5 plain-English investor searches a day
- Full listsEvery portfolio row and two-firm overlap
- API and MCP100 REST or MCP calls a month, one key
- AlertsFollow 5 investors for portfolio and fund changes
$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/cantos.vc
# also
GET /v1/firms/cantos.vc/portfolio
GET /v1/firms/cantos.vc/coinvestors
GET /v1/firms/cantos.vc/news