Castletop Capital is a family office and private equity firm. The one team member on file is in Austin, Texas, United States. The known portfolio counts 6 companies, including Nano Technologies, MindFlow Technologies, Sheer Networks, TeraVicta Technologies, Interactive Silicon and OpenPeak.
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Investment focus
Contacts
Who to pitch at Castletop Capital
Castletop Capital portfolio companies (6)
- Nano Technologies
- MindFlow Technologies
- Sheer Networks
- TeraVicta Technologies
- Interactive Silicon
- OpenPeak
Co-investors
Funds that share portfolio companies with Castletop Capital.
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About Castletop Capital
The firm's known deals cluster at Growth, Seed and Series A.
Richard Topfer (Manager) is listed as the contact to pitch at Castletop Capital.
Castletop Capital shares portfolio companies with 6 other investment firms, among them Agave Capital, Triton Partners and Kvision.
Frequently asked questions
What is Castletop Capital?
Castletop Capital is a family office and private equity firm whose one person on file is in Austin, Texas, United States, with a known portfolio of 6 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What stage does Castletop Capital invest at?
The known deals of Castletop Capital include Growth, 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 Castletop Capital?
One person at Castletop Capital is on file, listed as a contact for the firm, with their own profile page.
How do I contact Castletop Capital?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The one person attached to the firm has their own page, which shows 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