AAACvsMBBAETF Comparison
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Columbia AAA CLO ETF (AAAC) and iShares Mortgage-Backed Securities Active ETF (MBBA) have similar underlying exposures to countries and sectors. AAAC's top 3 sector exposures are Industrials, Non-Corporate and Finance. In contrast, MBBA's top sector exposures are Industrials and Non-Corporate. AAAC is less expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.26% for MBBA. Run a side-by-side ETF comparison of AAAC 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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AAAC vs MBBA performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/14/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | AAAC MBBA | +0.41%-1.78% | +1.24%-2.53% | +3.49%n/a | n/an/a | n/an/a | n/an/a |
| Flows | AAAC MBBA | -+$2M | +$93M+$8M | +$93M- | -- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | AAAC MBBA | +0.26%+4.83% | n/an/a | n/an/a | n/an/a |
| Max drawdown | AAAC MBBA | n/a-3.00% | n/an/a | n/an/a | n/an/a |
| Max drawdown duration | AAAC MBBA | n/a77d | n/an/a | n/an/a | n/an/a |
Trading data
AAAC | MBBA | |
Last sale 9/14/2026 at 1:30 PM | $20.09 | $47.79 |
| Previous close 09/14/2026 | $20.09 | $48.02 |
| Consolidated volume 09/14/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/14/2026 at 1:30 PM
Live
Closed
AAAC | MBBA | |
|---|---|---|
| Last price | $20.09 | $47.79 |
| 1D performance | +0.00% | -0.47% |
| AuM | $103.41 M | $155.22 M |
| E/R | 0.2% | 0.26% |
Characteristics
AAAC | MBBA | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Columbia Threadneedle Investments | iShares |
| Benchmark | - | - |
| N° of holdings | 17 | 25 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 11, 2025 | January 23, 2026 |
| ESG | No | No |
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Exposure
Countries
AAAC
USA
18.07%
Other
81.93%
MBBA
Data will be available soon
Sectors
AAAC
Industrials
13.12%
Other
86.88%
MBBA
Data will be available soon
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Diversification
AAAC
Total weight of top 15 holdings out of 15
30.36%
MBBA
Data will be available soon
Top 15 holdings
Data as of July 31, 2026
AAAC
Columbia Short Term Cash Fund
3.01%
US26249MAQ06
2.18%
US27830XBL91
1.94%
US48254GAW69
1.94%
US75901PAS56
1.94%
Fortress Credit BSL 2025-2A, FRN 15oct2038, USD (ABS, A)
1.94%
Octagon 2025-1A, FRN 22jan2038, USD (ABS, A1)
1.94%
US82809EAN04
1.94%
US67591JBE10
1.94%
US55952AAN90
1.94%
US67706HCG11
1.93%
US55821KAL08
1.93%
US284913AA87
1.93%
US883932AN54
1.93%
Venture CLO 2017-28A, FRN 20oct2034, USD (ABS, A1R)
1.93%
MBBA
Data will be available soon
Frequently asked questions about AAAC and MBBA
Which ETF is bigger: AAAC or MBBA?
As of September 14, 2026, AAAC holds $103.41 M in assets under management (AUM), while MBBA manages $155.22 M.
What sectors do the AAAC and MBBA ETFs invest in?
AAAC leans toward sectors like Industrials. Meanwhile, MBBA focuses on Industrials and Non-Corporate.
What are the top holdings of the AAAC ETF and MBBA ETF?
AAAC top holdings include Columbia Short Term Cash Fund, US26249MAQ06 and US27830XBL91. MBBA holds in its top three: US01F0526800, US01F0206874 and BlackRock Liquidity T-Fund.
Which ETF is more diversified: AAAC or MBBA?
AAAC holds 92 securities with 30.36% of its assets in the top 15. MBBA has 491 securities and a top 15 weight of 89.36%.
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