MBBAvsJBBBETF Comparison
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iShares Mortgage-Backed Securities Active ETF (MBBA) and Janus Henderson B-BBB CLO ETF (JBBB) have similar underlying exposures to countries and sectors. MBBA's top 2 sector exposures are Industrials and Non-Corporate. In contrast, JBBB's top sector exposures are Industrials and Finance. MBBA is less expensive with a Total Expense Ratio (TER) of 0.26%, versus 0.47% for JBBB. Run a side-by-side ETF comparison of MBBA and JBBB below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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MBBA vs JBBB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/19/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MBBA JBBB | -1.25%+0.15% | -2.82%+1.61% | n/a+3.62% | n/a+5.01% | n/a+24.87% | n/an/a |
| Flows | MBBA JBBB | +$565M- | +$582M+$125M | -+$332M | -+$197M | -+$1.44B | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MBBA JBBB | +5.84%+0.92% | n/a+1.18% | n/a+1.92% | n/an/a |
| Max drawdown | MBBA JBBB | -4.67%-0.17% | n/a-1.91% | n/a-2.77% | n/an/a |
| Max drawdown duration | MBBA JBBB | 55d18d | n/a81d | n/a105d | n/an/a |
Trading data
MBBA | JBBB | |
Last sale 10/20/2026 at 1:30 PM | $47.43 | $47.21 |
| Previous close 10/19/2026 | $47.37 | $47.20 |
| Consolidated volume 10/19/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 10/20/2026 at 1:30 PM
Live
Closed
MBBA | JBBB | |
|---|---|---|
| Last price | $47.43 | $47.21 |
| 1D performance | +0.12% | +0.02% |
| AuM | $726.14 M | $1.52 B |
| E/R | 0.26% | 0.47% |
Characteristics
MBBA | JBBB | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | iShares | Janus Henderson Investors |
| Benchmark | - | - |
| N° of holdings | 26 | 59 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | January 23, 2026 | January 11, 2022 |
| ESG | No | No |
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Exposure
Countries
MBBA
Data will be available soon
JBBB
Other
100%
Sectors
MBBA
Data will be available soon
JBBB
Other
100%
Diversification
MBBA
Data will be available soon
JBBB
Total weight of top 15 holdings out of 15
17.35%
Top 15 holdings
Data as of August 31, 2026
MBBA
Data will be available soon
JBBB
US88677FAG81
1.71%
US03328WCA45
1.68%
US75884EAW21
1.56%
US88676PAJ12
1.35%
US69703LAY48
1.34%
US83617EAL48
1.13%
US00121XAJ00
1.07%
US75884BBE74
1.06%
US08186YAU82
1.01%
US83011VAS34
0.99%
Elmwood CLO 2022-5A, FRN 17jul2037, USD (ABS, D1R)
0.96%
US09077FAU93
0.89%
US69688FAW05
0.87%
US559922AS81
0.87%
US09627FBJ84
0.85%
Frequently asked questions about MBBA and JBBB
Which ETF is bigger: MBBA or JBBB?
As of October 19, 2026, MBBA holds $726.14 M in assets under management (AUM), while JBBB manages $1.52 B.
What are the top holdings of the MBBA ETF and JBBB ETF?
MBBA top holdings include US01F0206A20, US01F0226A83 and US01F0526982. JBBB holds in its top three: US88677FAG81, US03328WCA45 and US75884EAW21.
Which ETF is more diversified: MBBA or JBBB?
MBBA holds 506 securities with 85.37% of its assets in the top 15. JBBB has 835 securities and a top 15 weight of 17.35%.
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Latest news about MBBA & JBBB
How Well Did CLO ETFs Hold Up During Market Volatility?
October 1, 2025
JBBB
Tony's ETF Buyers Guide: Collateralized Loan Obligation (CLO) ETFs
June 27, 2024
JBBB
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