Stewart Butterfield is an operator angel based in New York, United States. The known portfolio counts 9 companies: Linear, Lovable, Neo Financial, Vectara, Unblocked, Beside, Viktor, Noded Ai and Panobi.
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Investment focus
- Focus
- AI InfrastructureDeveloper ToolsNLP & Vector SearchNeobankingProductivity & Collaboration Tools
Contacts
Stewart Butterfield portfolio companies (9)
- Linear
- Lovable
- Neo Financial
- Vectara
- Unblocked
- Beside
- Viktor
- Noded Ai
- Panobi
Investor Profile
Founders in the listed sectors AI, Consumer, FinTech and SaaS, and focus areas AI Infrastructure, Developer Tools, NLP & Vector Search and Neobanking will recognize the pattern in this portfolio.
Stage-wise, the known deals cluster around Growth, Pre-Seed and Seed rounds.
The portfolio and focus above give founders context on whether Stewart Butterfield matches their raise.
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Frequently asked questions
Who is Stewart Butterfield?
Stewart Butterfield is an operator angel based in New York, United States with 9 known investments on file, among them Linear, Lovable and Neo Financial. The sections above list the sectors and stages attached to that record.
What does Stewart Butterfield invest in?
Listed sectors include AI, Consumer, FinTech and SaaS; listed focus areas include AI Infrastructure, Developer Tools, NLP & Vector Search and Neobanking. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Stewart Butterfield invest at?
The known deals of Stewart Butterfield include Growth, Pre-Seed and Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Stewart Butterfield?
A LinkedIn page is on file for Stewart Butterfield. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal