BlackRock MuniHoldings Fund, Inc.
BlackRock MuniHoldings Fund, Inc. (MHD) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MHD · as of Sep 30, 2025
Ownership Breakdown
113
Institutional Holders
▲ 3 vs Q2
$299.55M
Total Inst. Value
▲ $14.86M vs Q2
52.14M
Shares Outstanding
freeFloat 99.98%
25.51M
13F Shares Held
▲ 90,304 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MHD largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
KARPUS MANAGEMENT, INC. | 7.16M | 13.73% | 13.73% | $84.10B | Nov 14, 2025 | ▼ 26.8K |
RIVERNORTH CAPITAL MANAGEMENT, LLC | 4.14M | 7.94% | 7.94% | $48.67B | Nov 14, 2025 | ▲ 18.3K |
MACKAY SHIELDS LLC | 2.17M | 4.15% | 4.15% | $25.45B | Oct 27, 2025 | ▲ 39.7K |
GUGGENHEIM CAPITAL LLC | 1.20M | 2.30% | 2.30% | $14.07B | Nov 13, 2025 | ▲ 124.0K |
HENNION & WALSH ASSET MANAGEMENT, INC. | 1.09M | 2.08% | 2.08% | $12.77B | Oct 22, 2025 | ▼ 1.5K |
PATHSTONE HOLDINGS, LLC | 1.07M | 2.04% | 2.04% | $12.52B | Nov 13, 2025 | ▼ 115.1K |
MORGAN STANLEY | 767.5K | 1.47% | 1.47% | $9.02B | May 27, 2026 | ▲ 20.6K |
BANK OF AMERICA CORP /DE/ | 746.2K | 1.43% | 1.43% | $8.77B | Feb 3, 2026 | ▼ 76.0K |
ADVISORS ASSET MANAGEMENT, INC. | 531.7K | 1.02% | 1.02% | $6.25B | Nov 6, 2025 | ▲ 1.9K |
ALLIANZ ASSET MANAGEMENT GMBH | 458.1K | 87.86% | 87.86% | $5.38B | Nov 4, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
21
Increased
+806.0K shares2
New Positions
first time holders20
Decreased
−663.4K shares0
Sold Out
fully exitedNet shares change (top 50)
+142.7K
+806.0K / −663.4K
Net new holders
+3
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MHD insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
17
Buy transactions
1
Sell transactions
17.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
JPMORGAN CHASE & CO 10 percent owner | Jun 2, 2026 | J-Other | 7,178 | — | — | 7.2K | Form 4 ↗ |
JPMORGAN CHASE & CO 10 percent owner | Jun 2, 2026 | J-Other | 7,178 | — | — | 0 | Form 4 ↗ |
JPMORGAN CHASE & CO 10 percent owner | Feb 9, 2026 | J-Other | 5,038 | — | — | 7.2K | Form 4 ↗ |
Romaglino Christian Portfolio Manager | Feb 23, 2026 | Sale | 684 | $11.80 | $8.1K | 0 | Form 4 ↗ |
HUBBARD ROBERT GLENN director | Feb 9, 2026 | J-Other | 285 | $12.02 | $3.4K | 1.5K | Form 4 ↗ |
HUBBARD ROBERT GLENN director | Feb 9, 2026 | J-Other | 587 | $11.41 | $6.7K | 1.2K | Form 4 ↗ |
HUBBARD ROBERT GLENN director | Feb 9, 2026 | J-Other | 285 | $10.89 | $3.1K | 613 | Form 4 ↗ |
KALINOSKI MICHAEL director | Feb 9, 2026 | J-Other | 467 | $12.02 | $5.6K | 7.4K | Form 4 ↗ |
KALINOSKI MICHAEL director | Feb 9, 2026 | J-Other | 5,837 | $11.41 | $66.6K | 6.9K | Form 4 ↗ |
KALINOSKI MICHAEL director | Feb 9, 2026 | J-Other | 4 | $10.89 | $43.578 | 1.1K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
BlackRock MuniHoldings Fund, Inc. (MHD) is primarily owned by institutional investors, who hold approximately 48.9% of total shares outstanding. Company insiders own approximately 0.02%, while retail and public investors account for the remaining 51.06%.
The largest institutional shareholder of BlackRock MuniHoldings Fund, Inc. is KARPUS MANAGEMENT, INC., holding approximately 7.16 million shares — equal to 13.73% of outstanding shares — as of September 30, 2025.
A total of 113 institutional investors currently hold MHD stock, with a combined institutional value of approximately $299,547,696 as of the most recent 13F filing period.
Frequently asked questions
MHD ownershipBlackRock MuniHoldings Fund, Inc. (MHD) is primarily owned by institutional investors, who hold approximately 48.9% of shares. The largest shareholder is KARPUS MANAGEMENT, INC. with a 13.73% stake. Company insiders hold 0.02%. Data sourced from SEC Form 13F as of September 30, 2025.