S32 is a venture capital firm. Based in Silicon Valley, United States. Among the 11 companies in the known portfolio are Black Forest Labs, Pomelo, Beacon Biosignals, Aspen Neuroscience, Culture Biosciences and Outtake.
Is S32 a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Sector
- AIFinTechHealthcareSaaS
Who to pitch at S32
S32 portfolio companies (11)
- Black Forest Labs
- Pomelo
- Beacon Biosignals
- Aspen Neuroscience
- Culture Biosciences
- Outtake
- Brightside Health
- humans&
- Autoscience
- RunSybil
- Metaphysic
Co-investors
Funds that share portfolio companies with S32.
Similar funds
Showing 20 of 100
About S32
The firm's listing covers sectors AI, FinTech, Healthcare and SaaS, and focus areas AI Infrastructure, Biotech, Digital Health and Employee Benefits; known deals cluster at Growth, Seed and Series B.
Of the 9 people on file at S32, Steve Kafka (General Partner), Michael Pellini (Managing Partner) and Andrew Harrison (CEO & General Partner) are listed as the contacts to approach first.
S32 shares portfolio companies with 20 other investment firms, among them Samsung Next, Domain Associates and HUMAN CAPITAL.
Frequently asked questions
What is S32?
S32 is a venture capital firm based in Silicon Valley, United States, with a known portfolio of 11 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 S32 invest in?
Listed sectors include AI, FinTech, Healthcare and SaaS; listed focus areas include AI Infrastructure, Biotech, Digital Health and Employee Benefits. 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 S32 invest at?
The known deals of S32 include Growth, Seed and Series B 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 S32?
3 of the 9 people on file at S32 are listed as contacts for the firm. All 9 have their own profile page.
How do I contact S32?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 9 people attached to the firm have their own pages, each showing whether an address is on file for them.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal