JPMorgan Ultra-Short Municipal Income ETF
JMST
547 hedge funds and large institutions have $3.37B invested in JPMorgan Ultra-Short Municipal Income ETF in 2025 Q4 according to their latest regulatory filings, with 83 funds opening new positions, 244 increasing their positions, 159 reducing their positions, and 26 closing their positions.
219% more first-time investments, than exits
New positions opened: 83 | Existing positions closed: 26
53% more repeat investments, than reductions
Existing positions increased: 244 | Existing positions reduced: 159
10% more capital invested
Capital invested by funds: $3.07B → $3.37B (+$303M)
10% more funds holding
Funds holding: 499 → 547 (+48)
6% more funds holding in top 10
Funds holding in top 10: 18 → 19 (+1)
10.99% less ownership
Funds ownership: 65.51% → 54.52% (-11%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SMA
Sage Mountain Advisors
Atlanta,
Georgia
|
+$30.1M |
| 2 |
Corient Private Wealth
Miami,
Florida
|
+$26.5M |
| 3 |
HWM
HB Wealth Management
Atlanta,
Georgia
|
+$22.7M |
| 4 |
WWA
WCG Wealth Advisors
Las Vegas,
Nevada
|
+$18.2M |
| 5 |
SC
SouthState Corp
Winter Haven,
Florida
|
+$14.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Commonwealth Equity Services
Waltham,
Massachusetts
|
-$9.63M |
| 2 |
IWC
Integrated Wealth Concepts
Waltham,
Massachusetts
|
-$9.53M |
| 3 |
SB
Sunflower Bank
Dallas,
Texas
|
-$9.35M |
| 4 |
Thrivent Financial for Lutherans
Minneapolis,
Minnesota
|
-$8.28M |
| 5 |
MWM
MY Wealth Management
Germantown,
Maryland
|
-$6.62M |
JMST Hedge Fund Activity: Q4 2025 in Review
547 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in JPMorgan Ultra-Short Municipal Income ETF (JMST) for Q4 2025, worth a combined $3.37B — up 9.9% from $3.07B a quarter earlier.
Buyers outnumbered sellers: 83 funds opened new JMST positions and 26 closed out — a net gain of 57 holders — while 244 added to existing stakes and 159 trimmed.
The largest buyer was Sage Mountain Advisors, opening a new position worth an estimated $30.1M. The largest seller was Commonwealth Equity Services, cutting an estimated $9.63M.
- 547 institutional investors held JPMorgan Ultra-Short Municipal Income ETF (JMST) as of Q4 2025, up from 499 in Q3 2025.
- Funds reported $3.37B of JPMorgan Ultra-Short Municipal Income ETF stock for Q4 2025, up 9.9% quarter-over-quarter.
- 83 funds opened new JPMorgan Ultra-Short Municipal Income ETF positions in Q4 2025 and 26 closed out, a net change of +57 holders.
- The largest JPMorgan Ultra-Short Municipal Income ETF buyer in Q4 2025 was Sage Mountain Advisors, an estimated $30.1M added.
- The largest JPMorgan Ultra-Short Municipal Income ETF seller in Q4 2025 was Commonwealth Equity Services, an estimated $9.63M sold.
Based on aggregated 13F filings for Q4 2025.