SPBUvsMBBAETF Comparison
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AllianzIM Buffer15 Uncapped Allocation ETF (SPBU) and iShares Mortgage-Backed Securities Active ETF (MBBA) have similar underlying exposures to countries and sectors. In contrast, MBBA's top sector exposures are Industrials and Non-Corporate. SPBU is more expensive with a Total Expense Ratio (TER) of 0.84%, versus 0.26% for MBBA. Run a side-by-side ETF comparison of SPBU and MBBA 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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SPBU vs MBBA performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/31/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SPBU MBBA | +1.90%-0.18% | +0.26%-1.07% | +8.96%n/a | +14.97%n/a | n/an/a | n/an/a |
| Flows | SPBU MBBA | +$7M+$5M | +$26M+$35M | +$70M- | +$118M- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SPBU MBBA | +11.35%+4.75% | +10.51%n/a | n/an/a | n/an/a |
| Max drawdown | SPBU MBBA | -3.67%-2.02% | -6.86%n/a | n/an/a | n/an/a |
| Max drawdown duration | SPBU MBBA | 62d64d | 93dn/a | n/an/a | n/an/a |
Trading data
SPBU | MBBA | |
Last sale 9/2/2026 at 1:30 PM | $30.56 | $48.54 |
| Previous close 09/01/2026 | $30.48 | $48.49 |
| Consolidated volume 09/01/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/2/2026 at 1:30 PM
Live
Closed
SPBU | MBBA | |
|---|---|---|
| Last price | $30.56 | $48.54 |
| 1D performance | +0.27% | +0.10% |
| AuM | $187.81 M | $156.23 M |
| E/R | 0.84% | 0.26% |
Characteristics
SPBU | MBBA | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Allianz Investment Management LLC | iShares |
| Benchmark | - | - |
| N° of holdings | 1 | 25 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | March 5, 2025 | January 23, 2026 |
| ESG | No | No |
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Exposure
Countries
SPBU
Other
100%
MBBA
Data will be available soon
Sectors
SPBU
Other
100%
MBBA
Data will be available soon
Diversification
SPBU
Total weight of top 12 holdings out of 12
100.01%
MBBA
Data will be available soon
Top 15 holdings
Data as of July 31, 2026
SPBU
US00888H5880
8.46%
US00888H5963
8.42%
US00888H5708
8.38%
US00888H5625
8.38%
US00888H5542
8.34%
US00888H5138
8.32%
US00888H4974
8.31%
US00888H5393
8.30%
US00888H5476
8.30%
US00888H4891
8.30%
US00888H5211
8.28%
US00888H6128
8.23%
MBBA
Data will be available soon
Frequently asked questions about SPBU and MBBA
Which ETF is bigger: SPBU or MBBA?
As of August 31, 2026, SPBU holds $187.81 M in assets under management (AUM), while MBBA manages $156.23 M.
What are the top holdings of the SPBU ETF and MBBA ETF?
SPBU top holdings include US00888H5880, US00888H5963 and US00888H5708. MBBA holds in its top three: US01F0526800, US01F0206874 and BlackRock Liquidity T-Fund.
Which ETF is more diversified: SPBU or MBBA?
SPBU has 12 securities. MBBA has 491 securities and a top 15 weight of 89.36%.
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