# Sideline Group Fund I, L.P. — Form D/A

Sideline Group Fund I, L.P. of NEW YORK, NY, a pooled investment fund, filed a Form D amendment with the SEC on 2025-12-09. The offering totals $120.0M, of which $77.2M was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2025-12-09
- Form: D/A
- Accession: 0002045324-25-000003
- Industry: Pooled Investment Fund
- Exemptions: 06b, 3C, 3C.1, 3C.7
- Total offering: $120.0M
- Amount sold: $77.2M
- Remaining: $42.9M
- Investors: 50
- Date of first sale: 2024-12-05
- Security types: fund interests
- Revenue range: Not Applicable
- SEC file number: 021-531094

## Issuer

- Name: Sideline Group Fund I, L.P.
- CIK: 0002045324
- Entity type: Limited Partnership
- Jurisdiction: DELAWARE
- Incorporated: 2024
- Address: 405 W 13TH ST, NEW YORK, NY, 10014
- Phone: 201-283-0588

## Officers, directors & promoters (4)

| Name | Role | Location |
| --- | --- | --- |
| Gregory Mazlin | Executive Officer | NEW YORK, NY |
| N/A Sideline Group Fund I GP, LLC | Executive Officer | NEW YORK, NY |
| N/A Sideline Group Fund I GP, LLC | Related Person | NEW YORK, NY |
| Gregory Mazlin | Related Person | NEW YORK, NY |

## Other filings by this issuer (2)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2026-03-24](https://search.stillhousedata.com/formd/0002045324-26-000002) | D/A | $139.4M | $139.4M |
| [2024-12-04](https://search.stillhousedata.com/formd/0002045324-24-000002) | D | $75.0M | — |

## More

- [CIK 2045324 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2045324&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0002045324-25-000003.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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