JMBS
Janus Henderson Mortgage-Backed Securities ETF · Janus Henderson
Bonds & Treasuries
1Y Return
+4.0%
Expense Ratio
0.22%
AUM
$6.6B
Dividend Yield
5.12%
Avg Annual Growth (Since Inception)
+0.3%
Issuer
Janus Henderson

Overview

Actively managed agency mortgage-backed securities — government-guaranteed credit with an active manager working the prepayment puzzle.

Top Holdings

TickerHoldingWeight
FNMAFannie Mae 30yr pools38.4%
FHLMCFreddie Mac 30yr pools27.2%
GNMAGinnie Mae pools14.6%
FNMAFannie Mae 15yr pools7.8%
CMOAgency CMOs6.4%
USTTreasuries & cash3.4%
--Non-agency RMBS2.2%

Fund Details

Benchmark
Bloomberg US MBS
# Holdings
~650
Inception
Sep 2018
Exchange
NYSE Arca
Structure
Active ETF
Distribution
Monthly
Avg Annual Growth (Since Inception)
+0.3%
Avg Annual Yield (Since Inception)
3.40%

Investment Thesis

Agency MBS is the rare asset paying corporate-bond yields with government-guaranteed credit — the catch is prepayment risk, the homeowner's free option to refinance at your expense. That's a puzzle active managers demonstrably exploit, and JMBS has beaten the passive MBS index since inception by picking its pools. With mortgage spreads still historically wide, the 5.1% monthly yield carries real cushion.

Who It's For

Income investors who want government-backed credit yielding more than Treasuries, with a specialist desk managing the prepayment math. The active upgrade over passive MBB.

10-Year History

Annual Closing Price
YearClose% Chg
2016----
2017----
2018$46.56--
2019$48.19+3.5%
2020$50.12+4.0%
2021$49.37-1.5%
2022$43.44-12.0%
2023$44.74+3.0%
2024$45.19+1.0%
2025$47.00+4.0%
Annual Dividend Yield
YearYield
2016--
2017--
20182.80%
20192.90%
20202.20%
20211.90%
20223.00%
20234.40%
20244.90%
20255.10%
Annual AUM
YearAUM% Chg
2016----
2017----
2018$0.1B--
2019$0.5B+400.0%
2020$1.5B+200.0%
2021$2.5B+66.7%
2022$2B-20.0%
2023$3B+50.0%
2024$5B+66.7%
2025$6.5B+30.0%

Price history from exchange data. Dividend yields from reported distributions; some earlier years are derived from total-return vs price-return data or are ETFHub estimates. AUM history is an ETFHub estimate modelled from current assets and annual returns (fund flows not reflected) and may differ from official fund records. Data as of October 2026.

Markets. Intelligence. Daily.

Full briefs on 400+ ETFs, curated daily ETF news, and a free weekly deep-dive newsletter — all on ETFHub.

Get the Free Weekly Brief Explore the ETF Portal Official Fund Page →