SCUBvsMBBAETF Comparison
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Sterling Capital Ultra Short Bond ETF (SCUB) belongs to the US Aggregate Bonds segment. iShares Mortgage-Backed Securities Active ETF (MBBA) is part of the MBS & ABS segment. SCUB's top 3 sector exposures are Finance, Industrials and Energy. In contrast, MBBA's top sector exposures are Industrials and Non-Corporate. SCUB is more expensive with a Total Expense Ratio (TER) of 0.3%, versus 0.26% for MBBA. Run a side-by-side ETF comparison of SCUB 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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SCUB vs MBBA performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/17/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SCUB MBBA | +0.20%-1.22% | +1.05%-1.72% | n/an/a | n/an/a | n/an/a | n/an/a |
| Flows | SCUB MBBA | -$627K+$960K | -$627K+$8M | -- | -- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SCUB MBBA | +0.50%+4.82% | n/an/a | n/an/a | n/an/a |
| Max drawdown | SCUB MBBA | -0.08%-3.24% | n/an/a | n/an/a | n/an/a |
| Max drawdown duration | SCUB MBBA | 7d80d | n/an/a | n/an/a | n/an/a |
Trading data
SCUB | MBBA | |
Last sale 9/18/2026 at 1:30 PM | $24.95 | $47.82 |
| Previous close 09/17/2026 | $24.95 | $48.15 |
| Consolidated volume 09/17/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/18/2026 at 1:30 PM
Live
Closed
SCUB | MBBA | |
|---|---|---|
| Last price | $24.95 | $47.82 |
| 1D performance | +0.00% | -0.69% |
| AuM | $24.64 M | $155.85 M |
| E/R | 0.3% | 0.26% |
Characteristics
SCUB | MBBA | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Sterling Capital Active ETF | iShares |
| Benchmark | - | - |
| N° of holdings | 43 | 25 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | March 30, 2026 | January 23, 2026 |
| ESG | No | No |
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Exposure
Countries
SCUB
USA
34.7%
Other
65.3%
MBBA
Data will be available soon
Sectors
SCUB
Finance
16.27%
Industrials
10.06%
Other
73.67%
MBBA
Data will be available soon
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Diversification
SCUB
Total weight of top 15 holdings out of 15
23.6%
MBBA
Data will be available soon
Top 15 holdings
Data as of July 31, 2026
SCUB
Jefferies Group, 4.85% 15jan2027, USD
1.98%
US37046UH532
1.98%
US70962BHA52
1.98%
Bank 2023-5YR1, 6.26% 15apr2056, USD (ABS, A3)
1.94%
US37790BH469
1.82%
US05609QAA40
1.59%
US61690YBU55
1.52%
Vantage Data Centers Issuer 2020-2A, 1.992% 15sep2045, USD (ABS, A2)
1.52%
US12595EAD76
1.49%
US895974AA11
1.43%
US05685ABA51
1.39%
US06762JAL70
1.29%
US85236KAK88
1.27%
US165183DF83
1.20%
US12551MAL37
1.19%
MBBA
Data will be available soon
Frequently asked questions about SCUB and MBBA
Which ETF is bigger: SCUB or MBBA?
As of September 17, 2026, SCUB holds $24.64 M in assets under management (AUM), while MBBA manages $155.85 M.
What sectors do the SCUB and MBBA ETFs invest in?
SCUB leans toward sectors like Finance and Industrials. Meanwhile, MBBA focuses on Industrials and Non-Corporate.
What are the top holdings of the SCUB ETF and MBBA ETF?
SCUB top holdings include Jefferies Group, 4.85% 15jan2027, USD, US37046UH532 and US70962BHA52. MBBA holds in its top three: US01F0526800, US01F0206874 and BlackRock Liquidity T-Fund.
Which ETF is more diversified: SCUB or MBBA?
SCUB holds 119 securities with 23.6% of its assets in the top 15. MBBA has 491 securities and a top 15 weight of 89.36%.
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