Aaron Rosenstein, Managing Partner at Acta Capital, LLC is an active investor based in New York, United States. This profile covers what Aaron Rosenstein backs, at which stage, and how founders can reach out in 2026.
Managing Partner at Acta Capital, LLC.
Aaron Rosenstein typically invests at Seed and Series A.
- Investor type
- VC
- Stages
- SeedSeries A
- Location
- New York, United States
- Typical check
- $625K
How to reach Aaron Rosenstein
Angels and operators like Aaron Rosenstein reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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About this profile
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Cite this page
Round Funded. "Aaron Rosenstein." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/aaron-rosenstein
Frequently Asked Questions
Who is Aaron Rosenstein?
Aaron Rosenstein, Managing Partner at Acta Capital, LLC is an active investor based in New York, United States. Aaron Rosenstein typically invests at Seed and Series A.
What stage does Aaron Rosenstein invest at?
Aaron Rosenstein typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Aaron Rosenstein's typical check size?
Aaron Rosenstein typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.