Operator Stack Fund is a venture capital firm. Based in San Francisco, California, United States. The known portfolio counts 9 companies, including Bluedot, Parade, Vooma, CyberUpgrade, Parento and Nue.io.
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Investment focus
Who to pitch at Operator Stack Fund
Operator Stack Fund portfolio companies (9)
- Bluedot
- Parade
- Vooma
- CyberUpgrade
- Parento
- Nue.io
- OpenInfer
- Distributional
- Outgo
Co-investors
Funds that share portfolio companies with Operator Stack Fund.
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About Operator Stack Fund
The firm's listing covers sectors AI, Climate, Commerce and Consumer, and focus areas Automotive, Data Analytics, Embedded Finance and Enterprise SaaS; known deals cluster at Seed and Series A.
The team counts 3 people in our database. Natarajan Subbiah (General Partner) and Stewart Pond (Partner) are shown as the contacts to pitch.
Operator Stack Fund shares portfolio companies with 20 other investment firms, among them RedBird Capital Partners, Brave Capital and Ngl Ventures.
Frequently asked questions
What is Operator Stack Fund?
Operator Stack Fund is a venture capital firm based in San Francisco, California, United States, with a known portfolio of 9 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Operator Stack Fund invest in?
Listed sectors include AI, Climate, Commerce and Consumer; listed focus areas include Automotive, Data Analytics, Embedded Finance and Enterprise SaaS. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Operator Stack Fund invest at?
The known deals of Operator Stack Fund include Seed and Series A rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Operator Stack Fund?
2 of the 3 people on file at Operator Stack Fund are listed as contacts for the firm. All 3 have their own profile page.
How do I contact Operator Stack Fund?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 3 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal