Maíra B. R. Castro, Partner at Supera Capital is an active investor based in São Paulo, Brazil. This profile covers what Maíra B. R. Castro backs, at which stage, and how founders can reach out in 2026.
Maíra B. R. Castro is a Partner at Supera Capital with prior experience at Wellhub, Kaszek, and XP, focusing on product development and building scalable customer-focused products.
Maíra B. R. Castro invests in SaaS & Enterprise, Consumer & Retail and Fintech, typically at Seed, Series A and Early Stage Venture.
- Firm
- Supera Capital
- Investor type
- VC
- Stages
- SeedSeries AEarly Stage Venture
- Invests in
- SaaS & EnterpriseConsumer & RetailFintech
- Location
- São Paulo, Brazil
- Typical check
- $500K
How to reach Maíra B. R. Castro
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Cite this page
Round Funded. "Maíra B. R. Castro." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/maira-b-r-castro
Frequently Asked Questions
Who is Maíra B. R. Castro?
Maíra B. R. Castro, Partner at Supera Capital is an active investor based in São Paulo, Brazil. Maíra B. R. Castro invests in SaaS & Enterprise, Consumer & Retail and Fintech, typically at Seed, Series A and Early Stage Venture.
What does Maíra B. R. Castro invest in?
Maíra B. R. Castro invests in SaaS & Enterprise, Consumer & Retail and Fintech, typically at Seed, Series A and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Maíra B. R. Castro invest at?
Maíra B. R. Castro typically invests at Seed, Series A and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Maíra B. R. Castro's typical check size?
Maíra B. R. Castro typically writes checks around $500K. 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.