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MFS Active Intermediate Muni Bond ETF
MFSM

3 hedge funds and large institutions have $1.33M invested in MFS Active Intermediate Muni Bond ETF in 2025 Q2 according to their latest regulatory filings, with 2 funds opening new positions, increasing their positions, 1 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

220% more capital inflows, than outflows

Capital inflows: $897K | Capital outflows: $280K

100% more first-time investments, than exits

New positions opened: 2 | Existing positions closed: 1

50% more funds holding

Funds holding: 2 → 3 (+1)

1.35% more ownership

Funds ownership: 1.68% → 3.03% (+1.4%)

100% less repeat investments, than reductions

Existing positions increased: 0 | Existing positions reduced: 1

Holders
3
Holders Change
+1
Holders Change %
+50%
% of All Funds
0.04%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
2
Increased
–
Reduced
1
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
+$526K
2
Landmark Wealth Management (New York)
Landmark Wealth Management (New York)
New York
+$372K

Top Sellers

Rank Fund Capital Flow
1
Goldman Sachs
Goldman Sachs
New York
-$263K
2
Jane Street
Jane Street
New York
-$17.4K

MFSM Hedge Fund Activity: Q2 2025 in Review

3 of the 7,624 institutional investors tracked by Wall St. Rank reported a position in MFS Active Intermediate Muni Bond ETF (MFSM) for Q2 2025, worth a combined $1.33M — up 87% from $715K a quarter earlier.

Buyers outnumbered sellers: 2 funds opened new MFSM positions and 1 closed out — a net gain of 1 holder — while 0 added to existing stakes and 1 trimmed.

The largest buyer was Citadel Advisors, opening a new position worth an estimated $526K. The largest seller was Goldman Sachs, exiting entirely with an estimated $263K sold.

  • 3 institutional investors held MFS Active Intermediate Muni Bond ETF (MFSM) as of Q2 2025, up from 2 in Q1 2025.
  • Funds reported $1.33M of MFS Active Intermediate Muni Bond ETF stock for Q2 2025, up 87% quarter-over-quarter.
  • 2 funds opened new MFS Active Intermediate Muni Bond ETF positions in Q2 2025 and 1 closed out, a net change of +1 holder.
  • The largest MFS Active Intermediate Muni Bond ETF buyer in Q2 2025 was Citadel Advisors, an estimated $526K added.
  • The largest MFS Active Intermediate Muni Bond ETF seller in Q2 2025 was Goldman Sachs, an estimated $263K sold.

Based on aggregated 13F filings for Q2 2025.