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.
100% more first-time investments, than exits
New positions opened: 2 | Existing positions closed: 1
87% more capital invested
Capital invested by funds: $715K → $1.33M (+$619K)
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
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$526K |
| 2 |
LWMNY
Landmark Wealth Management (New York)
Melville,
New York
|
+$372K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
-$263K |
| 2 |
Jane Street
New York
|
-$17.4K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Citadel Advisors
Miami,
Florida
| $529K | +$526K | +21,632 | New |
|
|
2
Jane Street
New York
| $431K | -$17.4K | -714 | -4% |
|
|
LWMNY
3
Landmark Wealth Management (New York)
Melville,
New York
| $374K | +$372K | +15,293 | New |
|
|
4
Goldman Sachs
New York
| – | -$263K | -10,674 | Closed |
|
MFSM Hedge Fund Activity: Q2 2025 in Review
3 of the 7,595 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.