Alex Rosen, Managing Partner at Spruce Street Capital LP is an active investor based in New York, New York. This profile covers what Alex Rosen backs, at which stage, and how founders can reach out in 2026.
Alex Rosen is the Managing Partner at Spruce Street Capital LP, focusing on biotech investments.
Alex Rosen invests in Healthcare & Biotech and Biotech & Pharma, typically at Seed and Series A.
- Location
- New York, New York
- Typical check
- $625K
What does Alex Rosen invest in?
- Investor type
- VC
- Invests in
- Healthcare & BiotechBiotech & Pharma
Where is Alex Rosen based?
Alex Rosen is based in New York, New York.
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How to reach Alex Rosen
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About this profile
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Round Funded. "Alex Rosen." Round Funded investor database, updated September 22, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/alex-rosen
Frequently Asked Questions
Who is Alex Rosen?
Alex Rosen, Managing Partner at Spruce Street Capital LP is an active investor based in New York, New York. Alex Rosen invests in Healthcare & Biotech and Biotech & Pharma, typically at Seed and Series A.
What does Alex Rosen invest in?
Alex Rosen invests in Healthcare & Biotech and Biotech & Pharma, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Alex Rosen invest at?
Alex Rosen typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Alex Rosen's typical check size?
Alex Rosen typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.
Where is Alex Rosen based?
Alex Rosen is based in New York, New York.
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.
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