---
title: "BLACKROCK CALIFORNIA INSURED MUNICIPAL INCOME TRUST — Ownership Dossier"
canonical: https://whiteintel.dev/entity/0d9fab0d-682e-51b2-b66d-93ffa1a2c67f
json: https://whiteintel.dev/api/public/dossier/0d9fab0d-682e-51b2-b66d-93ffa1a2c67f
identifier: sec:0001181027
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BLACKROCK CALIFORNIA INSURED MUNICIPAL INCOME TRUST

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001181027`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/0d9fab0d-682e-51b2-b66d-93ffa1a2c67f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/0d9fab0d-682e-51b2-b66d-93ffa1a2c67f  

## Ownership & control

### Owners / controllers

- **UBS AG** (tenpercentowner) — https://whiteintel.dev/entity/a47259fa-cf6e-5390-8d76-3ff079df273b
- **CITIGROUP INC** (tenpercentowner) — https://whiteintel.dev/entity/1a7ff48c-8686-5d58-8f13-020a4c1a6dba

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

A **202-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.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BLACKROCK CALIFORNIA INSURED MUNICIPAL INCOME TRUST**. Human view: https://whiteintel.dev/entity/0d9fab0d-682e-51b2-b66d-93ffa1a2c67f · Structured JSON: https://whiteintel.dev/api/public/dossier/0d9fab0d-682e-51b2-b66d-93ffa1a2c67f._

_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"._