# JMBS (Janus Henderson Mortgage-Backed Securities ETF)

Janus Henderson · Bond ETFs · Government mortgage-backed · data as of Oct 2, 2026

JMBS is actively managed and returned −2.4% over the past year.

## Key facts

- JMBS, total return, 1 year: −2.4%, as of Oct 2, 2026.
- JMBS, expense ratio: 0.21%, as of Oct 2, 2026.
- JMBS, holdings: 618, as of Oct 2, 2026.
- JMBS, below its high: −5.8%, as of Oct 2, 2026.
- JMBS, net assets: $6.7bn (SEC filing, whole fund, as filed for Jul 31, 2026).

## JMBS over each window to Oct 2, 2026

| Window | Total return | S&P 500 | Gap to S&P 500 | Gap to Nasdaq-100 |
| --- | --- | --- | --- | --- |
| 3 months | −4.7% | +3.6% | −8.3 pts | −10.0 pts |
| 6 months | −4.3% | +17.9% | −22.2 pts | −32.7 pts |
| 1 year | −2.4% | +16.2% | −18.7 pts | −26.8 pts |
| 3 years | +16.9% | +89.3% | −72.4 pts | −97.9 pts |
| Since listing | +14.2% | +199.8% | −185.7 pts | −314.3 pts |

## Every published field

| Field | Value | Source |
| --- | --- | --- |
| What it tracks | No index, actively managed | ETFIQ |
| Fund type | Bond fund | ETFIQ |
| Category | Bonds · Government mortgage-backed | ETFIQ |
| Expense ratio | 0.21% | 485BPOS XBRL, Feb 27, 2026 |
| Price | $42.30 | ETFIQ |
| Listed since | Sep 13, 2018 | ETFIQ |
| Net assets | $6.7bn | SEC filing, whole fund, as filed for Jul 31, 2026 |
| Below its high | −5.8% | ETFIQ |
| Holdings | 618 | ETFIQ |
| Top ten weight | 35.7% | ETFIQ |
| Holdings as of | Jul 31, 2026 | SEC N-PORT |

## Questions

### How has JMBS performed?

Over the year to Oct 2, 2026, JMBS returned −2.4% with distributions reinvested, against +16.2% for the S&P 500. Over three years the figure is +16.9%.

### What does JMBS cost?

The prospectus expense ratio is 0.21% a year.

### How far is JMBS below its high?

5.8% below its high of Feb 27, 2026, measured on the reinvested series to Oct 2, 2026.


## Cite this page

ETFIQ, JMBS, data as of Oct 2, 2026. https://etfiq.com/funds/jmbs
Free to use with attribution; the underlying files are at https://etfiq.com/data/.

HTML: https://etfiq.com/funds/jmbs  ·  JSON: https://etfiq.com/funds/jmbs.json