MUC β€” BLACKROCK MUNIHOLDINGS CALIF COM

Ownership history in MACKAY SHIELDS LLC  Β·  39 quarters on record

This page tracks every 13F SEC filing in which MACKAY SHIELDS LLC reported a position in BLACKROCK MUNIHOLDINGS CALIF COM (MUC). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β€” sourced directly from SEC EDGAR 13F filings.

πŸ” Peak position
0.46% (2022 Q2)
πŸ“Š Avg. % of fund
0.18%
πŸ“… First filed
2010 Q1
πŸ“… Last filed
2025 Q4
⏱ Quarters held
39

Position Intelligence

MACKAY SHIELDS LLC Γ— MUC AI Analytics

πŸ“‰ MACKAY SHIELDS LLC underperformed the S&P 500 by –17.4% annually on this MUC position. Timing score: 61% (14/23 decisions correct). Average cost basis: $10.07. Maximum drawdown during holding period: –28.4%.

πŸ“ˆ Position Alpha vs SPY
-17.4%
annualised excess return

❌ Significantly underperformed the S&P 500 by 17.4% ann.
38 quarters analyzed

⏱️ Timing Score
61%

βœ… Decent timing β€” more right than wrong on entries and exits.
14 of 23 add/trim decisions correct

πŸ’° Entry Quality
$10.07
+3.7% vs current ($10.44)

Best entry: $5.71 (2010 Q1)  Β·  Worst: $11.68 (2021 Q1)

πŸ›‘οΈ Drawdown Resilience
–28.4%
max drawdown while held

πŸ’ͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.

πŸ’ͺ Fund Conviction
48%
buy-side decisions

11 adds Β· 12 trims. Bought during 2 of 13 down-price quarters. πŸ“‰ Predominantly trimming β€” distribution phase.

πŸ“‘ Position Trajectory
↑ Growing
last 4–5 quarters trend

πŸ“ˆ MACKAY SHIELDS LLC has been actively increasing its MUC allocation β€” a bullish signal from insiders.
Currently 0.36% of portfolio

⚠ Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ— 4 (annualised). Not investment advice.

% of Fund (quarterly)    MUC price (monthly, adj. close)
πŸ“‹ Quarterly Holdings History 10 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 UNCHANGED 981,326 β€” 0% 0.36% $10.4M $10.44
2025 Q3 REDUCED 981,326 -341 -0.0% 0.36% $10.65B $10.53
2025 Q2 UNCHANGED 981,667 β€” 0% 0.33% $10.16B $9.89
2025 Q1 ADDED 981,667 +851,621 +654.9% 0.34% $10.51B $10.07
2024 Q4 REDUCED 130,046 -1,547 -1.2% 0.04% $1.38B $9.85
2024 Q3 UNCHANGED 131,593 β€” 0% 0.04% $1.52B $10.52
2024 Q2 UNCHANGED 131,593 β€” 0% 0.04% $1.46B $10.01
2024 Q1 ADDED 131,593 +91,217 +225.9% 0.04% $1.45B $9.79
2023 Q4 REDUCED 40,376 -1,354,647 -97.1% 0.01% $449.4M $9.77
2022 Q3 REDUCED 1,395,023 -204,258 -12.8% 0.38% $15.0M $8.95
29 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding MUC

As of 2025 Q4 β€” sorted by position size

RIVERNORTH CAPITAL MANAGEMENT, LLC 3Y 7Y 1.16% ROBINSON CAPITAL MANAGEMENT, LLC 3Y 7Y 1.1% MELFA WEALTH MANAGEMENT, INC. 3Y 0.63% LM Advisors LLC 0.39% Matisse Capital 3Y 7Y 0.37% Diligent Investors, LLC 3Y 7Y 0.36% Logan Stone Capital, LLC 3Y 0.34% Ignite Planners, LLC 3Y 0.33% CITY OF LONDON INVESTMENT MANAGEMENT CO LTD 3Y 7Y 0.29% Ballast Rock Private Wealth LLC 0.28%
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