---
title: "OCONNOR WALTER — Ownership Dossier"
canonical: https://whiteintel.dev/entity/6728ea03-81fb-5748-92e2-2b6ff1582e7e
json: https://whiteintel.dev/api/public/dossier/6728ea03-81fb-5748-92e2-2b6ff1582e7e
identifier: sec:0001081506
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# OCONNOR WALTER

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001081506`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/6728ea03-81fb-5748-92e2-2b6ff1582e7e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/6728ea03-81fb-5748-92e2-2b6ff1582e7e  

## Ownership & control

### Holdings / subsidiaries

- **BLACKROCK MUNICIPAL INCOME TRUST** (director) — https://whiteintel.dev/entity/575892f2-690a-5ec8-84dd-8e29b7af587a
- **BLACKROCK MUNIYIELD FUND, INC.** (director) — https://whiteintel.dev/entity/e013113f-d094-5478-bfc2-0c8ffba61333
- **BLACKROCK MUNIASSETS FUND, INC.** (director) — https://whiteintel.dev/entity/6e8f00cd-84fd-59e9-ac11-a4d1ab4541fd
- **BLACKROCK MUNIYIELD QUALITY FUND III, INC.** (director) — https://whiteintel.dev/entity/e825f3ae-af13-59a8-ae98-713cd8b64e74
- **BLACKROCK MUNIYIELD QUALITY FUND II, INC.** (director) — https://whiteintel.dev/entity/0607f669-8b49-5f56-83ac-8ca6bfcf4db9
- **BlackRock Municipal 2030 Target Term Trust** (director) — https://whiteintel.dev/entity/578dcab2-de54-539d-b300-2ccc2bc7b508
- **BlackRock Taxable Municipal Bond Trust** (director) — https://whiteintel.dev/entity/8fc0bf56-4202-5b48-8949-7e8b644cbe88
- **BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST, INC.** (director) — https://whiteintel.dev/entity/57e79806-d585-56c6-a50f-2cd441471b79
- **BLACKROCK MUNICIPAL INCOME TRUST** (other) — https://whiteintel.dev/entity/575892f2-690a-5ec8-84dd-8e29b7af587a
- **BLACKROCK MUNIASSETS FUND, INC.** (other) — https://whiteintel.dev/entity/6e8f00cd-84fd-59e9-ac11-a4d1ab4541fd
- **BLACKROCK MUNIYIELD FUND, INC.** (other) — https://whiteintel.dev/entity/e013113f-d094-5478-bfc2-0c8ffba61333
- **BLACKROCK MUNICIPAL INCOME TRUST II** (director) — https://whiteintel.dev/entity/34baf86c-38b3-51cc-bd6f-f5db6bebe044

…and **67** more subsidiaries/holdings. Resolve the full list with `get_dossier` on the WhiteIntel MCP (`npx -y @whiteintel/mcp-server`) 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 **OCONNOR WALTER** — https://whiteintel.dev/entity/6728ea03-81fb-5748-92e2-2b6ff1582e7e · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **OCONNOR WALTER**. Human view: https://whiteintel.dev/entity/6728ea03-81fb-5748-92e2-2b6ff1582e7e · Structured JSON: https://whiteintel.dev/api/public/dossier/6728ea03-81fb-5748-92e2-2b6ff1582e7e._

_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"._