---
title: "BRASSINGTON JONATHAN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/37b91f4d-2ac7-5e87-8ecc-da1ddd7dd3a7
json: https://whiteintel.dev/api/public/dossier/37b91f4d-2ac7-5e87-8ecc-da1ddd7dd3a7
identifier: sec:0001967817
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BRASSINGTON JONATHAN

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001967817`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/37b91f4d-2ac7-5e87-8ecc-da1ddd7dd3a7  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/37b91f4d-2ac7-5e87-8ecc-da1ddd7dd3a7  

## Ownership & control

### Holdings / subsidiaries

- **SEI INVESTMENTS CO** (director) — https://whiteintel.dev/entity/1fc1fa4f-c81e-52b8-82bc-4fef786b5bfc

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BRASSINGTON JONATHAN**. Human view: https://whiteintel.dev/entity/37b91f4d-2ac7-5e87-8ecc-da1ddd7dd3a7 · Structured JSON: https://whiteintel.dev/api/public/dossier/37b91f4d-2ac7-5e87-8ecc-da1ddd7dd3a7._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._