Janus Henderson Mortgage-Backed Securities ETF

JMBS
ETF Ticker

-2.45%

-1.64%

NYSE Arca Exchange

Fixed Income

United States

Covered & Asset-Backed

ETF Strategy Fund Grade AAA

The Janus Henderson Mortgage-Backed Securities ETF, JMBS_US, is an actively managed strategy providing exposure to United States, Covered & Asset-Backed Fixed Income. It is listed on the NYSE Arca Exchange and has assets under management of $6,680.0m (as of Aug 31, 2026). The ETF trades in USD and was listed on the exchange on Sep 12, 2018. It has a net expense ratio of 23bps. (All data in USD as of Oct 15, 2026 unless stated.)

The investment strategy governing the actively managed Janus Henderson Mortgage-Backed Securities ETF concentrates on agency residential mortgage-backed pass-throughs, allocating across coupons, vintages, and structures to harvest spread while managing prepayment, extension, and convexity risk. Security selection combines pool-level analytics (borrower attributes, seasoning, loan size, geography, servicer) with option-adjusted measures and scenario cash-flow modeling to target favorable refinance incentives and call protection. Portfolio construction diversifies exposure by coupon stack and collateral cohorts, with position sizes informed by liquidity, pay-up risk for specified pools, and basis behavior versus the benchmark. Interest-rate exposure is expressed through coupon and collateral mix rather than fixed duration targets, seeking resilient carry across regimes. Rebalancing reflects changes in rate/volatility paths, mortgage basis and roll dynamics, and evolving prepayment speeds; positions are reduced or exited when convexity costs rise, refinance incentives deteriorate, or relative value shifts within the agency MBS universe.

ETF Details

Key Facts

Issuer:
Janus Henderson
AUM:
$6,680.0m (as of Aug 31, 2026)
Net Expense Ratio:
23 bps
Inception Date:
Sep 12, 2018
Index:
Actively managed strategy
Dividend Frequency:
Monthly

Trading

Ticker:
JMBS
Exchange:
NYSE Arca Exchange
ISIN:
US47103U8523
Trading Currency:
USD
Domicile:
United States

Classification & Risk

Asset Class:
Fixed Income
Asset Region:
United States
Theme:
Covered & Asset-Backed
Economic Development:
Developed Markets
1 Year Volatility:
4.81%
3 Year Volatility:
5.91%
5 Year Volatility:
6.67%

Performance

TTM Dividend Yield:
5.11% (verify with issuer)
1 Month Performance:
-0.75%
3 Month Performance:
-3.12%
6 Month Performance:
-3.55%
1 Year Performance:
-1.64%
3 Year Performance:
16.90%
5 Year Performance:
0.62%
Investment Proposition

Janus Henderson Mortgage-Backed Securities ETF (JMBS) offers actively managed exposure to mortgage-backed securities with an emphasis on agency pools, seeking to balance income generation and total return through disciplined duration, convexity and prepayment risk management. The process evaluates collateral quality, pool structure and borrower behavior, using tools such as specified pools and forward settling to fine-tune interest-rate and spread positioning while maintaining high overall liquidity. Characteristics typically align with high-quality, interest-rate-sensitive fixed income that can provide ballast in risk-off episodes, while recognizing that convexity can challenge results during abrupt yield-curve shifts. Regime behavior tends to be supported by stable-to-declining rate environments and flight-to-quality dynamics; sharp rate spikes or volatility in mortgage basis can be more difficult. Use cases include a core securitized-income sleeve within investment-grade fixed income, diversification inside a core bond allocation, and a risk-mitigating complement to credit-heavy exposures. Suitable investors include liability-aware allocators seeking high-quality income and institutions using a duration anchor with explicit mortgage risk controls. A key risk to monitor is extension and prepayment variability, which can alter effective duration and return dispersion during rate inflections.

ETF Analytics

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