---
title: "Acier Big Brain Collective Ltd SEC filings"
url: https://altstreet.investments/edgar/2163604
kind: edgar-entity
updated: 2026-11-06
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.
---

# Acier Big Brain Collective Ltd: SEC filings and what they report

Acier Big Brain Collective Ltd is a pooled investment fund organized under BVI law, filing Form D on 2026-11-05 under Rule 506(b) and Section 3(c)(1) exemptions. The filing reports $495,000 raised from 22 investors, with no minimum investment disclosed and no first sale date reported. The fund's director entity is listed as N/A Gm Echo Manager Ltd; no parent platform or related entities were identified.

| Field | Value |
| --- | --- |
| Entity | Acier Big Brain Collective Ltd |
| CIK | 2163604 |
| Filing family | 506(b), 3(c)(1) |
| Entity type | fund vehicle |
| Newest fact-bearing filing | November 5, 2026, accession 0002163604-26-000001 |
| Total sold (as reported) | $494,637 |
| Investors (as reported) | 22 |
| Vintage | 2026 |

## Related persons (Form D Item 3)

| Name | Relationship |
| --- | --- |
| N/A Gm Echo Manager Ltd | Director |


## More

- Entity page (HTML, with events, parties and the platform record): https://altstreet.investments/edgar/2163604
- SEC EDGAR filing index: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0002163604&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/2163604
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.