# GPC Partners III (Quantum) LP — Form D

GPC Partners III (Quantum) LP of GREENWICH, CT, a pooled investment fund, filed a Form D exempt-offering notice with the SEC on 2026-04-01. Industry: Pooled Investment Fund.

## Offering

- Filed: 2026-04-01
- Form: D
- Accession: 0002111554-26-000001
- Industry: Pooled Investment Fund
- Exemptions: 06b,3C,3C.1,3C.7
- Security types: equity, fund interests
- Revenue range: Decline to Disclose
- SEC file number: 021-578693

## Issuer

- Name: GPC Partners III (Quantum) LP
- CIK: 0002111554
- Entity type: Limited Partnership
- Jurisdiction: DELAWARE
- Address: 660 STEAMBOAT ROAD, FIRST FLOOR, GREENWICH, CT, 06830
- Phone: 203-742-0200

## Officers, directors & promoters (1)

| Name | Role | Location |
| --- | --- | --- |
| Lewis A. Sachs | Related Person | Chevy Chase, MD |

## More

- [CIK 2111554 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2111554&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0002111554-26-000001.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.