Data sourced from SEC EDGAR filingsCompiled by Free Startup Funding DatabaseLast updated: Oct 2026
SEC Form D Verified

Series X Capital

Venture Capital Firm | Contact & Fund History

SAN FRANCISCO, CA
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Funds Tracked

1

Total Raised

$542M

Latest Fund

Series X Capital Fund I, L.P.

Jan 2025 · $542M

How to Contact Series X Capital

Official Contact Channels

LinkedIn Profile
seriesxcapital.com

General Partners

Gideon Yu

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4 team members listed on the firm's website

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Series X Capital Team

  • Gideon Yu

    Founder & Managing Partner

  • Calvin Lui

    Partner & COO

  • Stephanie Lee

    Partner

  • Gaylord Yu

    Partner

Listed on the firm's own website: seriesxcapital.com. Titles can change; check the firm's site before reaching out.

Fund History

Series X Capital Fund I, L.P.

Jan 2025

$542M

Frequently Asked Questions

How do I contact Series X Capital?

To contact Series X Capital: visit seriesxcapital.com; connect on their LinkedIn company page; their team of 4 is listed on their website.

How many funds has Series X Capital raised?

Series X Capital has raised 1 tracked fund, totaling $542M in tracked capital.

Where is Series X Capital located?

Series X Capital is headquartered in SAN FRANCISCO, CA.

Firm Details

First FilingJan 2025
Latest FilingJan 2025

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Data Sources: SEC EDGAR filings, company disclosures, and verified public records.

Profile updated: Oct 23, 2026