iShares iBonds Dec 2031 Term Muni Bond ETF
IBMT
51 hedge funds and large institutions have $52.4M invested in iShares iBonds Dec 2031 Term Muni Bond ETF in 2025 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 11 increasing their positions, 3 reducing their positions, and 1 closing their positions.
5,762% more capital inflows, than outflows
Capital inflows: $44.3M | Capital outflows: $755K
2,700% more first-time investments, than exits
New positions opened: 28 | Existing positions closed: 1
267% more repeat investments, than reductions
Existing positions increased: 11 | Existing positions reduced: 3
104% more funds holding
Funds holding: 25 → 51 (+26)
29.19% more ownership
Funds ownership: 17.27% → 46.46% (+29%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Mercer Global Advisors
Denver,
Colorado
|
+$22.1M |
| 2 |
LIA
LBMC Investment Advisors
Brentwood,
Tennessee
|
+$2.14M |
| 3 |
EIP
Ellis Investment Partners
Berwyn,
Pennsylvania
|
+$1.79M |
| 4 |
CCM
Coldstream Capital Management
Bellevue,
Washington
|
+$1.67M |
| 5 |
US Bancorp
Minneapolis,
Minnesota
|
+$1.54M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$456K |
| 2 |
LIM
Leavell Investment Management
Mobile,
Alabama
|
-$150K |
| 3 |
MPWT
MassMutual Private Wealth & Trust
Windsor,
Connecticut
|
-$147K |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$2.2K |
IBMT Hedge Fund Activity: Q4 2025 in Review
51 of the 8,287 institutional investors tracked by Wall St. Rank reported a position in iShares iBonds Dec 2031 Term Muni Bond ETF (IBMT) for Q4 2025, worth a combined $52.4M — up 170% from $19.4M a quarter earlier.
Buyers outnumbered sellers: 28 funds opened new IBMT positions and 1 closed out — a net gain of 27 holders — while 11 added to existing stakes and 3 trimmed.
The largest buyer was Mercer Global Advisors, opening a new position worth an estimated $22.1M. The largest seller was Jane Street, cutting an estimated $456K.
- 51 institutional investors held iShares iBonds Dec 2031 Term Muni Bond ETF (IBMT) as of Q4 2025, up from 25 in Q3 2025.
- Funds reported $52.4M of iShares iBonds Dec 2031 Term Muni Bond ETF stock for Q4 2025, up 170% quarter-over-quarter.
- 28 funds opened new iShares iBonds Dec 2031 Term Muni Bond ETF positions in Q4 2025 and 1 closed out, a net change of +27 holders.
- The largest iShares iBonds Dec 2031 Term Muni Bond ETF buyer in Q4 2025 was Mercer Global Advisors, an estimated $22.1M added.
- The largest iShares iBonds Dec 2031 Term Muni Bond ETF seller in Q4 2025 was Jane Street, an estimated $456K sold.
Based on aggregated 13F filings for Q4 2025.