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VC firm

StoneMill Ventures

Kingmaker TierBased on the data VC Catalog holds.

Kingmaker Tier: 84 out of 100

  • Cybersecurity
  • Seed
  • US
  • Global
  • VC
  • B2B
Investor type
VC
Investing status
Activeas of 2026-09-18Source (opens in a new tab)
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Record updated 18 September 2026

About

StoneMill Ventures invests in disruptive cyber security companies, primarily at the seed stage.

Investment approach

Thesis
We are active investors and look for founding teams that can benefit from our experience building pioneering security companies. As such, we tend to focus our investing in the Washington, DC metro area where we can be hands on but we will invest globally given the right opportunity.Source (opens in a new tab)
Investing status notes
We are active investors
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