25madison is an accelerator and venture capital firm. Based in New York, United States. Among the 19 companies in the known portfolio are TMRW Sports, Midi Health, Pattern, Handspring Health, Silkline and Italic Health.
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Investment focus
Contacts
Who to pitch at 25madison
25madison portfolio companies (19)
- TMRW Sports
- Midi Health
- Pattern
- Handspring Health
- Silkline
- Italic Health
- Miravoice
- Paxton
- Croissant
- Ranger AI
- Keragon
- TCARE
- Wilya
- Novacy
- Ovasave
- Thrive Health Tech
- Kouper Health
- Swap Health
- VineSight
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About 25madison
The firm's listing covers sectors AI, Climate, Commerce and Consumer, and focus areas AI Applications, Beauty, Consumer Goods and Data; known deals cluster at Pre-Seed, Seed and Series A.
The team counts 6 people in our database. Kirk Posmantur (Co-Founder) and Steven Price (Co-Founder and CEO) are shown as the contacts to pitch.
25madison shares portfolio companies with 20 other investment firms, among them Nvp Capital, Sc.holdings and Panache Ventures.
Frequently asked questions
What is 25madison?
25madison is an accelerator and venture capital firm based in New York, United States, with a known portfolio of 19 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 25madison invest in?
Listed sectors include AI, Climate, Commerce and Consumer; listed focus areas include AI Applications, Beauty, Consumer Goods and Data. 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 25madison invest at?
The known deals of 25madison include Pre-Seed, 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 25madison?
2 of the 6 people on file at 25madison are listed as contacts for the firm. All 6 have their own profile page.
How do I contact 25madison?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 6 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