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Investors / United States / Cloudstone Capital

Cloudstone Capital

Venture capital · San Mateo, CA, United States · North America

cloudstonevc.com

Cloudstone Capital operates Cloudstone Venture Fund I, which invests in technology startups including Healthtech, AI and new technologies. It also provides portfolio companies with advice and connections, assisting with FDA 510k compliance, follow-on financing, and strategic investment or partnering.

Invests inHealthcare & BiotechAI & Machine Learning

In its own wordshealthtechaidigital healthmedical devicesbiotechgenomics

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8portfolio companies
0funding rounds on record

Cloudstone Capital lists 8 checked portfolio companies on its own site. Its largest themes are Healthcare & Biotech (42%), AI & Machine Learning (17%) and Space & Defense (8%). 100% of its companies are based in United States. It invests most often alongside StartX, 15th Rock and ATEL Ventures.

No funding round on record names Cloudstone Capital yet, so the figures come from its portfolio page.

Investment themes

share of its checked companies

This firmAll checked companies

Show as a table
Investment themes
This firmAll checked companies
Healthcare & Biotech42%15%
AI & Machine Learning17%18%
Space & Defense8%3%
Education8%7%
Consumer8%3%
Food & Agriculture8%3%
Enterprise Software8%8%

Its portfolio companies

where they are based, and what their own sites show

Headquarters

Site status

  • Site answers8100%
  • 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.

Investor profile

percentile among all firms
Portfolio size: 8 companiesRecent activity: 0 rounds in 12 monthsEarly stage: 0% of entries at pre-seed or seedEvidence: 0% of companies confirmed by a roundSector focus: 42% in its largest sectorReach: 1 countryPortfolio size15th pctRecent activity46th pctEarly stage54th pctEvidence52th pctSector focus76th pctReach19th pct
This firmMedian of all firms
Show as a table
Cloudstone Capital compared with all firms
MeasurePercentile of all firmsValue
Portfolio size15th8 companies
Recent activity46th0 rounds in 12 months
Early stage54th0% of entries at pre-seed or seed
Evidence52th0% of companies confirmed by a round
Sector focus76th42% in its largest sector
Reach19th1 country

Compare Cloudstone Capital head to head

portfolio size, rounds, entry stages, themes and the companies both back

Three or more firms at once: portfolio overlap.

Portfolio

8 companies checked against their own sites
CompanyWhat it doesThemesFirst round with itEvidence
Delpordelpor.comDelpor is a clinical-stage biopharmaceutical company that develops once-yearly therapies for chronic diseases.
Healthcare & Biotech
Portfolio page
Gradiantgradiant.com · United StatesGradiant treats, recovers, and minimizes water usage for companies, particularly those in the AI economy
AI & Machine LearningSpace & Defense
Portfolio page
Imvariaimvaria.com · United StatesImvaria pioneers AI inference across clinical testing and imaging to generate novel physiologic signatures
Healthcare & Biotech
Portfolio page
Innowiinnowi.comInnowi provides a platform for restaurants to manage their operations, including point of sale, online ordering, and marketing
Food & AgricultureEnterprise Software
Portfolio page
Paradromicsparadromics.com · United StatesParadromics develops brain-computer interface platforms to restore lost capabilities and advance human possibility through technology.
Healthcare & BiotechAI & Machine Learning
Portfolio page
Paragon Genomicsparagongenomics.comParagon Genomics develops and provides targeted library preparation kits and next-generation sequencing panels for various applications
Healthcare & Biotech
Portfolio page
Wicuewicue.comWicue develops intelligent optical solutions for everyday life using liquid crystal film research and its applications
EducationConsumer
Portfolio page
Zenflowzenflow.com · United StatesThe company develops and provides a treatment for benign prostatic hyperplasia (BPH)
Healthcare & Biotech
Portfolio page

About this data

site last read 5 Nov 2026
The homepage of Cloudstone Capital, as last read
cloudstonevc.com as VCinfo last read it
Site
cloudstonevc.com
Last read
5 Nov 2026
Watching since
6 Nov 2026
Companies checked
8

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.

How we grade the data

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VCinfo API
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  https://api.vcinfo.io/v1/firms/cloudstonevc.com

# also
GET /v1/firms/cloudstonevc.com/portfolio
GET /v1/firms/cloudstonevc.com/coinvestors
GET /v1/firms/cloudstonevc.com/news
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