---
title: "Onex Partners VI A LP SEC filings"
url: https://altstreet.investments/edgar/2158830
kind: edgar-entity
updated: 2026-11-03
publisher: AltStreet (https://altstreet.investments)
license: Public factual pages may be read, quoted and cited with attribution and a link. Bulk redistribution is not permitted.
---

# Onex Partners VI A LP: SEC filings and what they report

Onex Partners VI A LP is a Cayman Islands-domiciled pooled investment fund vehicle filed under Form D by Onex Partners, claiming both Rule 506(b) and Section 3(c)(1) exemptions. The filing is pre-open with no disclosed total amount sold, investor count, or minimum investment, and no first sale date has been reported. Related filers include Onex Partners VI GP LP/Limited and Onex Partners Manager LP as executive officers, consistent with a private equity fund formation structure.

| Field | Value |
| --- | --- |
| Entity | Onex Partners VI A LP |
| CIK | 2158830 |
| Filing family | 506(b), 3(c)(1) |
| Entity type | fund vehicle |
| Manager (as filed) | Onex Partners |
| Newest fact-bearing filing | November 2, 2026, accession 0002158830-26-000001 |
| Total sold (as reported) | $0 |
| Vintage | 2026 |

## Related persons (Form D Item 3)

| Name | Relationship |
| --- | --- |
| MATTHEW MURPHY | Executive Officer, Promoter |
| N/A ONEX PARTNERS VI GP LP | Executive Officer |
| N/A ONEX PARTNERS VI GP LIMITED | Executive Officer |
| N/A ONEX PARTNERS MANAGER LP | Executive Officer |
| AMIR MOTAMEDI | Director |


## More

- Entity page (HTML, with events, parties and the platform record): https://altstreet.investments/edgar/2158830
- SEC EDGAR filing index: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0002158830&owner=include&count=40
- Signal history, evidence passages and the entity graph are AltStreet Terminal features: https://altstreet.investments/terminal

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Source page: https://altstreet.investments/edgar/2158830
Machine index: https://altstreet.investments/llms.txt
AltStreet reads what platforms, funds and issuers file with the SEC and what they tell investors, and publishes the difference. Figures are as filed or as captured on the date stated; nothing here is investment advice.