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State Street Nuveen Municipal Bond ETF

22 hedge funds and large institutions have $19.7M invested in State Street Nuveen Municipal Bond ETF in 2025 Q4 according to their latest regulatory filings, with 5 funds opening new positions, 7 increasing their positions, 7 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

67% more first-time investments, than exits

New positions opened: 5 | Existing positions closed: 3

5% more funds holding

Funds holding: 21 → 22 (+1)

0% more repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 7

8.46% less ownership

Funds ownership: 80.57% → 72.11% (-8.5%)

37% less capital inflows, than outflows

Capital inflows: $2.86M | Capital outflows: $4.55M

Holders
22
Holders Change
+1
Holders Change %
+4.76%
% of All Funds
0.26%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
5
Increased
7
Reduced
7
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

MBND Hedge Fund Activity: Q4 2025 in Review

22 of the 8,302 institutional investors tracked by Wall St. Rank reported a position in State Street Nuveen Municipal Bond ETF (MBND) for Q4 2025, worth a combined $19.7M — down 15% from $23.1M a quarter earlier.

Buyers outnumbered sellers: 5 funds opened new MBND positions and 3 closed out — a net gain of 2 holders — while 7 added to existing stakes and 7 trimmed.

The largest buyer was Jane Street, adding an estimated $1.05M. The largest seller was Citadel Advisors, exiting entirely with an estimated $1.7M sold.

  • 22 institutional investors held State Street Nuveen Municipal Bond ETF (MBND) as of Q4 2025, up from 21 in Q3 2025.
  • Funds reported $19.7M of State Street Nuveen Municipal Bond ETF stock for Q4 2025, down 15% quarter-over-quarter.
  • 5 funds opened new State Street Nuveen Municipal Bond ETF positions in Q4 2025 and 3 closed out, a net change of +2 holders.
  • The largest State Street Nuveen Municipal Bond ETF buyer in Q4 2025 was Jane Street, an estimated $1.05M added.
  • The largest State Street Nuveen Municipal Bond ETF seller in Q4 2025 was Citadel Advisors, an estimated $1.7M sold.

Based on aggregated 13F filings for Q4 2025.