JMBSvsMBBETF Comparison
Janus Henderson Mortgage-Backed Securities ETF (JMBS) and iShares MBS ETF (MBB) belong to the same industry segment: MBS & ABS. In contrast, MBB's top sector exposures are Industrials, Non-Corporate and Finance. JMBS is more expensive with a Total Expense Ratio (TER) of 0.21%, versus 0.04% for MBB. JMBS is down -2.35% year-to-date (YTD) with -$320M in YTD flows. MBB performs better with -1.78% YTD performance, and -$1.79B in YTD flows. Run a side-by-side ETF comparison of JMBS and MBB below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
JMBS vs MBB performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | JMBS MBB | -0.61%-0.25% | -2.93%-2.30% | -2.35%-1.78% | -1.81%-1.43% | +17.61%+17.04% | +0.74%-0.38% |
| Flows | JMBS MBB | -$225M-$3.31B | -$226M-$2.66B | -$320M-$1.79B | +$156M-$5.06B | +$4.43B+$8.97B | +$5.87B+$13.89B |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | JMBS MBB | +6.07%+5.70% | +4.77%+4.61% | +5.86%+5.73% | +6.63%+6.66% |
| Max drawdown | JMBS MBB | -4.84%-4.27% | -6.08%-5.38% | -6.08%-5.38% | -16.53%-16.94% |
| Max drawdown duration | JMBS MBB | 52d52d | 229d229d | 229d229d | 1396d1405d |
JMBS | MBB | |
Last sale 10/16/2026 at 1:30 PM | $42.85 | $90.52 |
| Previous close 10/15/2026 | $42.85 | $90.59 |
| Consolidated volume 10/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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JMBS | MBB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
JMBS | MBB | |
|---|---|---|
| Last price | $42.85 | $90.52 |
| 1D performance | +0.00% | -0.08% |
| AuM | $6.25 B | $35.27 B |
| E/R | 0.21% | 0.04% |
JMBS | MBB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Janus Henderson Investors | iShares |
| Benchmark | - | Bloomberg U.S. MBS Index |
| N° of holdings | - | 1237 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 12, 2018 | March 13, 2007 |
| ESG | No | No |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
