Morningstar

BlackRock California Municipal Opportunities Fund Institutional shares MACMX

Morningstar Medalist Rating
Medalist Rating as of | See BlackRock Investment Hub
  • NAV / 1-Day Return 11.98  /  −0.08 %
  • Total Assets 2.5B
  • Adj. Expense Ratio
    0.450%
  • Expense Ratio 0.460%
  • Distribution Fee Level Below Average
  • Share Class Type Institutional
  • Category Muni California Long
  • Credit Quality / Interest Rate Sensitivity —
  • Min. Initial Investment 2M
  • Status Open
  • TTM Yield 3.66%
  • Effective Duration 8.12 years

USD | NAV as of Jul 14, 2026 | 1-Day Return as of Jul 14, 2026, 12:11 AM GMT+0

Morningstar’s Analysis MACMX

Will MACMX outperform in the future?

Get our overall rating based on a fundamental assessment of the pillars below.

  • Process Pillar

    The Process Pillar is our assessment of how sensible, clearly defined, and repeatable MACMX’s performance objective and investment process is for both security selection and portfolio construction.

  • People Pillar

    The People Pillar is our evaluation of the MACMX management team’s experience and ability. We find that high-quality management teams deliver superior performance relative to their benchmarks and/or peers.

  • Parent Pillar

    The Parent Pillar is our rating of MACMX’s parent organization’s priorities and whether they’re in line with investors’ interests.

null Morningstar Automated Analysis

Morningstar Automated Analysis

Summary

BlackRock California Muni Opps Instl holds a quantitatively derived Neutral Morningstar Medalist Rating. The rating suggests the model does not express a clear expectation of outperformance or underperformance relative to peers over a full market cycle.

by Morningstar Automated Analysis
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Portfolio Holdings MACMX

More MACMX Holdings
  • Current Portfolio Date
  • Equity Holdings —
  • Bond Holdings —
  • Other Holdings —
  • % Assets in Top 10 Holdings 17.5
Top 10 Holdings
% Portfolio Weight
Market Value USD
Sector

United States Treasury Bills

4.70 115M
Government

CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REV

2.66 65M
municipal

CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REV

2.23 54M
municipal

CALIFORNIA HSG FIN AGY LTD OBLIG MULTIFAMILY HSG REV

2.06 50M
municipal

iShares California Muni Bond ETF

2.02 49M
—

CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REV

1.99 49M
municipal

CALIFORNIA ST PUB WKS BRD LEASE REV

1.83 45M
municipal

SACRAMENTO CNTY CALIF ARPT SYS REV

1.59 39M
municipal

CALIFORNIA ST UNIV REV

1.43 35M
municipal

SAN FRANCISCO CALIF CITY & CNTY PUB UTILS COMMN WTR REV

1.34 33M
municipal

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