---
title: "HELEN A. DOLAN 2010 GRANTOR RETAINED ANNUITY TRUST #8M — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b54cb6bf-80eb-5437-9b57-b987295ea992
json: https://whiteintel.dev/api/public/dossier/b54cb6bf-80eb-5437-9b57-b987295ea992
identifier: sec:0001506088
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HELEN A. DOLAN 2010 GRANTOR RETAINED ANNUITY TRUST #8M

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001506088`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b54cb6bf-80eb-5437-9b57-b987295ea992  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b54cb6bf-80eb-5437-9b57-b987295ea992  

## Ownership & control

### Holdings / subsidiaries

- **MADISON SQUARE GARDEN CO** (other) — https://whiteintel.dev/entity/0ec0aab9-0593-5e49-9132-5643c70dc51c

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HELEN A. DOLAN 2010 GRANTOR RETAINED ANNUITY TRUST #8M**. Human view: https://whiteintel.dev/entity/b54cb6bf-80eb-5437-9b57-b987295ea992 · Structured JSON: https://whiteintel.dev/api/public/dossier/b54cb6bf-80eb-5437-9b57-b987295ea992._

_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"._