David Portnoy

David Portnoy

Active Investor

Managing Director at American Securities

New York City, New York

David Portnoy, Managing Director at American Securities is an active investor based in New York City, New York. This profile covers what David Portnoy backs, at which stage, and how founders can reach out in 2026.

Investor type
VCPEInvestment Partner
Stages
SeedSeries ASeries BLate Stage Venture
Invests in
Healthcare & BiotechSaaS & EnterpriseConsumer & RetailConsumer Goods (CPG)Climate & EnergyDeveloper Tools & DataHardware & Deep TechManufacturing & Industrial
Location
New York City, New York
Typical check
$2M
Past investments
6

Notable investments

UnifraxUnison Site ManagementPresidioLakeside EnergyAdvanced Drainage SystemsAnthony International

How to reach David Portnoy

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Frequently Asked Questions

What does David Portnoy invest in?

David Portnoy invests in Healthcare & Biotech, SaaS & Enterprise, Consumer & Retail and Consumer Goods (CPG), typically at Seed, Series A, Series B and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

How do I contact David Portnoy?

Unlock David Portnoy's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

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