Janus Henderson Mortgage-Backed Securities ETF
JMBS
269 hedge funds and large institutions have $6.42B invested in Janus Henderson Mortgage-Backed Securities ETF in 2025 Q4 according to their latest regulatory filings, with 62 funds opening new positions, 128 increasing their positions, 61 reducing their positions, and 23 closing their positions.
170% more first-time investments, than exits
New positions opened: 62 | Existing positions closed: 23
110% more repeat investments, than reductions
Existing positions increased: 128 | Existing positions reduced: 61
19% more funds holding in top 10
Funds holding in top 10: 26 → 31 (+5)
16% more funds holding
Funds holding: 232 → 269 (+37)
9% more capital invested
Capital invested by funds: $5.87B → $6.42B (+$548M)
0.72% more ownership
Funds ownership: 91.49% → 92.21% (+0.72%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
+$189M |
| 2 |
Focus Partners Wealth
Boston,
Massachusetts
|
+$128M |
| 3 |
Wealth Enhancement Advisory Services
Plymouth,
Minnesota
|
+$75.7M |
| 4 |
AC
AlphaCore Capital
La Jolla,
California
|
+$37.6M |
| 5 |
KW
KWB Wealth
Redlands,
California
|
+$27.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Kovitz Investment Group Partners
Chicago,
Illinois
|
-$118M |
| 2 |
Corient Private Wealth
Miami,
Florida
|
-$53.6M |
| 3 |
MP
Moment Partners
San Francisco,
California
|
-$19.4M |
| 4 |
RA
Rise Advisors
Rochester,
New York
|
-$15.4M |
| 5 |
BCM
Brookstone Capital Management
Wheaton,
Illinois
|
-$12.7M |
JMBS Hedge Fund Activity: Q4 2025 in Review
269 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Janus Henderson Mortgage-Backed Securities ETF (JMBS) for Q4 2025, worth a combined $6.42B — up 9.3% from $5.87B a quarter earlier.
Buyers outnumbered sellers: 62 funds opened new JMBS positions and 23 closed out — a net gain of 39 holders — while 128 added to existing stakes and 61 trimmed.
The largest buyer was Morgan Stanley, adding an estimated $189M. The largest seller was Kovitz Investment Group Partners, exiting entirely with an estimated $118M sold.
- 269 institutional investors held Janus Henderson Mortgage-Backed Securities ETF (JMBS) as of Q4 2025, up from 232 in Q3 2025.
- Funds reported $6.42B of Janus Henderson Mortgage-Backed Securities ETF stock for Q4 2025, up 9.3% quarter-over-quarter.
- 62 funds opened new Janus Henderson Mortgage-Backed Securities ETF positions in Q4 2025 and 23 closed out, a net change of +39 holders.
- The largest Janus Henderson Mortgage-Backed Securities ETF buyer in Q4 2025 was Morgan Stanley, an estimated $189M added.
- The largest Janus Henderson Mortgage-Backed Securities ETF seller in Q4 2025 was Kovitz Investment Group Partners, an estimated $118M sold.
Based on aggregated 13F filings for Q4 2025.