The page is the record's research on the issuer — no analyst, no rating, no view. # BLACKROCK MUNIHOLDINGS CALIFORNIA QUALITY FUND, INC. (NYSE: MUC) — research page As of 2026-11-08 · us-cm-kg · record version 1 ## Identity and listing The issuer is BLACKROCK MUNIHOLDINGS CALIFORNIA QUALITY FUND, INC., listed on the NYSE under ticker MUC. Its ISIN is US09254L1070 and its LEI is NKJSRCJXMS5PZYPXY795. Its security type is Non-operating entity type (other). Its segment is not on the record and its sector is not on the record. Its jurisdiction is United States, Maryland. Its listing status is listed, not halted. ## The disclosure read The record holds 19 filings in the twelve months to 2026-11-08, falling on 19 filing days, comprising 2 AGM/EGM filings, 3 directors' dealings filings and 14 regulatory filings. The median gap between filing days is 15.5 days. The latest filing is dated 2026-10-14, is of type regulatory filing, and was made 25 days before the record date. The NYSE median cadence gap is 6.0 days across 3256 issuers, the NYSE median filings count is 64.0, and the NYSE median latency is 4.0 days. The sector median is not on the record for this market. ## Auditor The auditor of record is not on the record, because the latest annual report cover carries no dei:AuditorName tag. The auditor's location is not on the record. The record holds no auditor changes. ## Events and halts The record holds no listing, delisting or name change lines. The domicile change is not on the record, as EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, as the exchanges' tier transfers are not EDGAR filings. The halt flag is listed, not halted. ## Orderability The outcome is not determinable, because the chapter's orderability section carries no client categories and so the outcome cannot name its client category. The rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, and the chapter is as of 2026-11-04. ## Coverage No research houses were found on the issuer's investor-relations page. ## Open research No openly published research notes were found. ## Licensed Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded. ## As-of depth The vintage is sealed. The issuer's sealed years are 2021, 2022, 2023, 2024, 2025 and 2026. The market's earliest sealed date is 2021-01-04, and the live record began on 2026-09-12. ## Sources 8 source pages are named on this page; every value above carries its own source page and read date in the numbers. - https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange) - https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin) - https://data.sec.gov/submissions/CIK0001051004.json (identity.jurisdiction) - https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei) - https://mcp.us-cm-kg.ai/events/NYSE/MUC (the disclosure lines) - https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag) - https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter) - https://mcp.us-cm-kg.ai/record/NYSE/MUC (the record) --- Allooloo Technologies Corp. · https://getresearch.ai/us/NYSE/MUC · public-record only · the same page signed and receipted: get_research at https://mcp.getresearch.ai/mcp