# Mariner Capital Opportunity Fund, LP — Form D

Mariner Capital Opportunity Fund, LP of HOUSTON, TX, a pooled investment fund, filed a Form D exempt-offering notice with the SEC on 2026-03-31. The offering totals $50.0M. Industry: Other.

## Offering

- Filed: 2026-03-31
- Form: D
- Accession: 0002125919-26-000001
- Industry: Other
- Exemptions: 06c, 3C, 3C.1
- Total offering: $50.0M
- Remaining: $50.0M
- Minimum investment: $250K
- Security types: fund interests
- Revenue range: Decline to Disclose
- SEC file number: 021-578574

## Issuer

- Name: Mariner Capital Opportunity Fund, LP
- CIK: 0002125919
- Entity type: Limited Partnership
- Jurisdiction: DELAWARE
- Incorporated: 2025
- Address: 10603 W SAM HOUSTON PARKWAY N, HOUSTON, TX, 77064
- Phone: 832-461-0789

## Officers, directors & promoters (9)

| Name | Role | Location |
| --- | --- | --- |
| Granite Harbor Capital LLC | Director | Houston, TX |
| GH Mariner Capital GP LLC | Director | Houston, TX |
| Granite Harbor Capital LLC | Executive Officer | Houston, TX |
| GH Mariner Capital GP LLC | Executive Officer | Houston, TX |
| Nicholas Brown | Promoter | New York, NY |
| Granite Harbor Capital LLC | Promoter | Houston, TX |
| GH Mariner Capital GP LLC | Promoter | Houston, TX |
| Brian Sak | Promoter | Houston, TX |
| Derek Taylor | Promoter | Hartland, WI |

## More

- [CIK 2125919 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2125919&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0002125919-26-000001.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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