# Series X Capital Fund I, L.P. — Form D/A

Series X Capital Fund I, L.P. of SAN FRANCISCO, CA, a pooled investment fund, filed a Form D amendment with the SEC on 2026-03-10. The offering totals $541.7M, of which $541.7M was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2026-03-10
- Form: D/A
- Accession: 0001231919-26-000243
- Industry: Pooled Investment Fund
- Exemptions: 06b,3C,3C.7
- Total offering: $541.7M
- Amount sold: $541.7M
- Investors: 99
- Date of first sale: 2025-01-31
- Security types: fund interests
- Revenue range: Decline to Disclose
- SEC file number: 021-536880

## Issuer

- Name: Series X Capital Fund I, L.P.
- CIK: 0002052270
- Entity type: Limited Partnership
- Jurisdiction: DELAWARE
- Incorporated: 2025
- Address: 601 CALIFORNIA STREET, SUITE 700, SAN FRANCISCO, CA, 94108
- Phone: 4153435999

## Officers, directors & promoters (4)

| Name | Role | Location |
| --- | --- | --- |
| N/A Series X Capital Fund I GP, LLC | Related Person | San Francisco, CA |
| Gideon Yu | Related Person | Dallas, TX |
| N/A Series X Capital Fund I GP, LLC | Director | San Francisco, CA |
| Gideon Yu | Director | Dallas, TX |

## Other filings by this issuer (1)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2025-01-30](https://search.stillhousedata.com/formd/0002052270-25-000001) | D | $500.0M | — |

## More

- [CIK 2052270 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2052270&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001231919-26-000243.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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