---
title: "MFS HIGH YIELD MUNICIPAL TRUST — Ownership Dossier"
canonical: https://whiteintel.dev/entity/15ef73ea-0d34-5901-a970-ca277b1698e7
json: https://whiteintel.dev/api/public/dossier/15ef73ea-0d34-5901-a970-ca277b1698e7
identifier: sec:0000809844
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# MFS HIGH YIELD MUNICIPAL TRUST

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000809844`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/15ef73ea-0d34-5901-a970-ca277b1698e7  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/15ef73ea-0d34-5901-a970-ca277b1698e7  

## Ownership & control

### Owners / controllers

- **GOLDSTEIN PHILLIP** (10% owner) — https://whiteintel.dev/entity/5e208f56-1dba-5a78-9d1b-f130fa1cea97
- **Dakos Andrew** (10% owner) — https://whiteintel.dev/entity/926ea2a4-583f-5a5a-8a8a-1dffa70161d9
- **Bulldog Investors, LLP** (10% owner) — https://whiteintel.dev/entity/f4b68fa8-9404-5afb-a014-387c57f19e60
- **CHASE MANHATTAN BANK /NY/** (tenpercentowner) — https://whiteintel.dev/entity/23677799-eca5-59cd-bca5-4b68328b7ef4
- **Dakos Andrew** (tenpercentowner) — https://whiteintel.dev/entity/926ea2a4-583f-5a5a-8a8a-1dffa70161d9
- **Bulldog Investors, LLP** (tenpercentowner) — https://whiteintel.dev/entity/f4b68fa8-9404-5afb-a014-387c57f19e60
- **GOLDSTEIN PHILLIP** (tenpercentowner) — https://whiteintel.dev/entity/5e208f56-1dba-5a78-9d1b-f130fa1cea97
- **Saba Capital Management, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/d23b585c-b5e6-5f4f-af57-156e0debd557
- **Weinstein Boaz** (tenpercentowner) — https://whiteintel.dev/entity/162053a8-3cf5-530b-9e39-f58f05fa9f07
- **CITIGROUP INC** (tenpercentowner) — https://whiteintel.dev/entity/1a7ff48c-8686-5d58-8f13-020a4c1a6dba

### UBO chain (walk to the ultimate owner)

A **284-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **MFS HIGH YIELD MUNICIPAL TRUST** — https://whiteintel.dev/entity/15ef73ea-0d34-5901-a970-ca277b1698e7 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MFS HIGH YIELD MUNICIPAL TRUST**. Human view: https://whiteintel.dev/entity/15ef73ea-0d34-5901-a970-ca277b1698e7 · Structured JSON: https://whiteintel.dev/api/public/dossier/15ef73ea-0d34-5901-a970-ca277b1698e7._

_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"._