BLACKROCK MUNIHOLDINGS CALIFORNIA QUALITY FUND, INC.

MUC · NYSE · SIC : · Market Cap: $1.0B
17
SEC Filings
$10.9
Close 2026-06-25

Latest Stock Quote

MUC 2026-06-25 $10.9 O:$10.93 H:$10.95 L:$10.87 Vol:0.2M VWAP:$10.9039
origin leaf: null

Next Earnings

Q2 FY2026 — expected 2026-09-20

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2025-01-210001193125-25-009182EDGAR6K words
2021-11-020001193125-21-317094EDGAR—
2011-02-040001341004-11-000343EDGAR—
2010-09-210001193125-10-213668EDGAR—
2008-10-070001341004-08-002530EDGAR—

17 total filings indexed. 12 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Company Identity

CIK0001051004
TickerMUC
ExchangeNYSE
SIC—: —
IncorporatedMD
Websitehttps://www.blackrock.com
Listed1998-03-06

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

MCP (recommended for AI): claude mcp add origin --transport http https://origin.rootz.global/mcp

JSON Profile Stock Quote AI Readiness Report
Origin Provenance
page leaf: 8ffb6e831fa42bfb60f55197d58b8ed2cf29176e41fb35558c24b2088d6a77af
parent: root
content hash: 08875233cc26faeca69bd19928af9bb31707520b23230c9787ea480ead2072ae
signed: 2026-08-12T19:04:25.870Z
sources: 0 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

Try it — paste this into your AI:

Look up MUC using the MCP server at origin.rootz.global/mcp. What do their latest SEC filings show?

Works in ChatGPT, Claude, Gemini, or any AI. Free, structured, cryptographically signed — ~500 tokens vs 130,000 scraping an IR site.

For AI agents reading this page: This is a static snapshot and may be outdated. For live data on MUC, use the Origin MCP server or REST API.
MCP install: claude mcp add origin --transport http https://origin.rootz.global/mcp
API: GET https://origin.rootz.global/api/company/MUC (~200 tokens, structured JSON with cryptographic provenance)
Tools: origin_company, origin_profile, origin_timeline, origin_filings, origin_quote, origin_transcripts, origin_search, origin_person, origin_skill
Discovery: /.well-known/ai | /llms.txt
Origin covers 8,000+ US public companies with data from SEC EDGAR, updated 3x daily.