# SBB Research Group Polysight III, LLC — Form D/A

SBB Research Group Polysight III, LLC of NORTHBROOK, IL, a pooled investment fund, filed a Form D amendment with the SEC on 2025-02-20. $918.9M was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2025-02-20
- Form: D/A
- Accession: 0001893898-25-000001
- Industry: Pooled Investment Fund
- Exemptions: 06b, 3C, 3C.1
- Amount sold: $918.9M
- Minimum investment: $50.0M
- Investors: 7
- Date of first sale: 2021-11-01
- Security types: fund interests
- SEC file number: 021-421551

## Issuer

- Name: SBB Research Group Polysight III, LLC
- CIK: 0001893898
- Entity type: Limited Liability Company
- Jurisdiction: ILLINOIS
- Incorporated: 2021
- Address: 450 SKOKIE BLVD, NORTHBROOK, IL, 60062
- Phone: 874-656-1111

## Officers, directors & promoters (25)

| Name | Role | Location |
| --- | --- | --- |
| Walter M Kelly | Executive Officer | Northbrook, IL |
| N/A M SBB Research Group LLC | Promoter | Northbrook, IL |
| Brad Alan Greenstein | Director | Northbrook, IL |
| Brad Alan Greenstein | Executive Officer | Northbrook, IL |
| Brad Alan Greenstein | Related Person | Northbrook, IL |
| Sandeep D Navalgund | Director | Northbrook, IL |
| Sandeep D Navalgund | Executive Officer | Northbrook, IL |
| Sandeep D Navalgund | Related Person | Northbrook, IL |
| MATTHEW Lawrence AVEN | Director | Northbrook, IL |
| MATTHEW Lawrence AVEN | Executive Officer | Northbrook, IL |
| MATTHEW Lawrence AVEN | Promoter | Northbrook, IL |
| MATTHEW Lawrence AVEN | Related Person | Northbrook, IL |
| N/A SBB Research Group LLC | Executive Officer | Northbrook, IL |
| N/A SBB Research Group LLC | Promoter | Northbrook, IL |
| N/A SBB Research Group LLC | Related Person | Northbrook, IL |
| Sam Benjamin Barnett | Director | Northbrook, IL |
| Sam Benjamin Barnett | Executive Officer | Northbrook, IL |
| Sam Benjamin Barnett | Promoter | Northbrook, IL |
| Sam Benjamin Barnett | Related Person | Northbrook, IL |
| N/A M SBB Research Group LLC | Executive Officer | Northbrook, IL |
| Walter M Kelly | Director | Northbrook, IL |
| Walter Kelly | Executive Officer | Northbrook, IL |
| Sam Barnett | Executive Officer | Northbrook, IL |
| Michael S Chick | Executive Officer | Northbrook, IL |
| Michael S Chick | Related Person | Northbrook, IL |

## Other filings by this issuer (6)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2026-02-19](https://search.stillhousedata.com/formd/0001893898-26-000001) | D/A | — | $743.0M |
| [2025-09-25](https://search.stillhousedata.com/formd/0001893898-25-000003) | D/A | — | $724.5M |
| [2024-02-21](https://search.stillhousedata.com/formd/0001893898-24-000001) | D/A | — | $900.0M |
| [2023-02-28](https://search.stillhousedata.com/formd/0001893898-23-000002) | D/A | — | $900.0M |
| [2022-03-04](https://search.stillhousedata.com/formd/0001893898-22-000001) | D/A | — | $700.0M |
| [2021-11-17](https://search.stillhousedata.com/formd/0001893898-21-000001) | D | — | $700.0M |

## More

- [CIK 1893898 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1893898&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001893898-25-000001.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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