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BlackRock MuniHoldings Fund

204 hedge funds and large institutions have $838M invested in BlackRock MuniHoldings Fund in 2026 Q1 according to their latest regulatory filings, with 104 funds opening new positions, 82 increasing their positions, 6 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,267% more repeat investments, than reductions

Existing positions increased: 82 | Existing positions reduced: 6

845% more first-time investments, than exits

New positions opened: 104 | Existing positions closed: 11

166% more capital invested

Capital invested by funds: $315M → $838M (+$523M)

133% more funds holding in top 10

Funds holding in top 10: 37 (+4)

89.1% more ownership

Funds ownership: 50.57%139.67% (+89%)

79% more funds holding

Funds holding: 114204 (+90)

Holders
204
Holders Change
+90
Holders Change %
+78.95%
% of All Funds
2.51%
Holding in Top 10
7
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+133.33%
% of All Funds
0.09%
New
104
Increased
82
Reduced
6
Closed
11
Calls
Puts
Net Calls
Net Calls Change

MHD Hedge Fund Activity: Q1 2026 in Review

204 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in BlackRock MuniHoldings Fund (MHD) for Q1 2026, worth a combined $838M — up 166% from $315M a quarter earlier.

Buyers outnumbered sellers: 104 funds opened new MHD positions and 11 closed out — a net gain of 93 holders — while 82 added to existing stakes and 6 trimmed.

The largest buyer was Karpus Investment Management, adding an estimated $136M. The largest seller was Mackay Shields LLC, cutting an estimated $2.16M.

  • 204 institutional investors held BlackRock MuniHoldings Fund (MHD) as of Q1 2026, up from 114 in Q4 2025.
  • Funds reported $838M of BlackRock MuniHoldings Fund stock for Q1 2026, up 166% quarter-over-quarter.
  • 104 funds opened new BlackRock MuniHoldings Fund positions in Q1 2026 and 11 closed out, a net change of +93 holders.
  • The largest BlackRock MuniHoldings Fund buyer in Q1 2026 was Karpus Investment Management, an estimated $136M added.
  • The largest BlackRock MuniHoldings Fund seller in Q1 2026 was Mackay Shields LLC, an estimated $2.16M sold.

Based on aggregated 13F filings for Q1 2026.