We are live on ! Find out more
JMBS icon

Janus Henderson Mortgage-Backed Securities ETF

218 hedge funds and large institutions have $5.09B invested in Janus Henderson Mortgage-Backed Securities ETF in 2025 Q2 according to their latest regulatory filings, with 23 funds opening new positions, 106 increasing their positions, 76 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

39% more repeat investments, than reductions

Existing positions increased: 106 | Existing positions reduced: 76

6% more capital invested

Capital invested by funds: $4.81B → $5.09B (+$284M)

1.6% less ownership

Funds ownership: 93.48%91.88% (-1.6%)

3% less funds holding

Funds holding: 225218 (-7)

4% less funds holding in top 10

Funds holding in top 10: 2726 (-1)

12% less first-time investments, than exits

New positions opened: 23 | Existing positions closed: 26

Holders
218
Holders Change
-7
Holders Change %
-3.11%
% of All Funds
2.86%
Holding in Top 10
26
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-3.7%
% of All Funds
0.34%
New
23
Increased
106
Reduced
76
Closed
26
Calls
$401K
Puts
Net Calls
+$401K
Net Calls Change
+$365K

JMBS Hedge Fund Activity: Q2 2025 in Review

218 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in Janus Henderson Mortgage-Backed Securities ETF (JMBS) for Q2 2025, worth a combined $5.09B — up 5.9% from $4.81B a quarter earlier.

Sellers outnumbered buyers: 26 funds closed out of JMBS and 23 opened new positions — a net loss of 3 holders — while 76 trimmed existing stakes and 106 added.

The largest buyer was Morgan Stanley, adding an estimated $95M. The largest seller was Hamilton Capital, cutting an estimated $67.8M.

  • 218 institutional investors held Janus Henderson Mortgage-Backed Securities ETF (JMBS) as of Q2 2025, down from 225 in Q1 2025.
  • Funds reported $5.09B of Janus Henderson Mortgage-Backed Securities ETF stock for Q2 2025, up 5.9% quarter-over-quarter.
  • 23 funds opened new Janus Henderson Mortgage-Backed Securities ETF positions in Q2 2025 and 26 closed out, a net change of -3 holders.
  • The largest Janus Henderson Mortgage-Backed Securities ETF buyer in Q2 2025 was Morgan Stanley, an estimated $95M added.
  • The largest Janus Henderson Mortgage-Backed Securities ETF seller in Q2 2025 was Hamilton Capital, an estimated $67.8M sold.

Based on aggregated 13F filings for Q2 2025.