OOSPvsMBBAETF Comparison
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Obra Opportunistic Structured Products ETF (OOSP) and iShares Mortgage-Backed Securities Active ETF (MBBA) have similar underlying exposures to countries and sectors. OOSP's top 3 sector exposures are Industrials, Finance and Non-Corporate. In contrast, MBBA's top sector exposures are Industrials and Non-Corporate. OOSP is more expensive with a Total Expense Ratio (TER) of 1.97%, versus 0.26% for MBBA. Run a side-by-side ETF comparison of OOSP 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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OOSP 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. | OOSP MBBA | +0.45%-0.18% | +1.28%-1.07% | +3.67%n/a | +6.06%n/a | n/an/a | n/an/a |
| Flows | OOSP MBBA | -+$5M | +$508K+$35M | +$114M- | +$115M- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | OOSP MBBA | +0.64%+4.75% | +0.84%n/a | n/an/a | n/an/a |
| Max drawdown | OOSP MBBA | -0.11%-2.02% | -0.39%n/a | n/an/a | n/an/a |
| Max drawdown duration | OOSP MBBA | 7d64d | 37dn/a | n/an/a | n/an/a |
Trading data
OOSP | MBBA | |
Last sale 9/2/2026 at 1:30 PM | $10.11 | $48.54 |
| Previous close 09/01/2026 | $10.11 | $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
OOSP | MBBA | |
|---|---|---|
| Last price | $10.11 | $48.54 |
| 1D performance | +0.00% | +0.10% |
| AuM | $150.38 M | $156.23 M |
| E/R | 1.97% | 0.26% |
Characteristics
OOSP | MBBA | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Obra Funds | iShares |
| Benchmark | - | - |
| N° of holdings | 11 | 25 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | April 9, 2024 | January 23, 2026 |
| ESG | No | No |
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Exposure
Countries
OOSP
Other
100%
MBBA
Data will be available soon
Sectors
OOSP
Other
100%
MBBA
Data will be available soon
Diversification
OOSP
Total weight of top 15 holdings out of 15
13.18%
MBBA
Data will be available soon
Top 15 holdings
Data as of July 31, 2026
OOSP
US62956HAG11
1.17%
US12988DAG79
1.01%
US76089TAC45
1.00%
US69549PAC14
0.99%
US12577HAG56
0.91%
US43284KAD46
0.86%
US34461WAG50
0.84%
US69547DAE67
0.83%
US92535VAS16
0.82%
US46676AAG85
0.81%
US39152MAG06
0.80%
US362414AG97
0.80%
US98919WAQ69
0.80%
US05618XAG51
0.80%
US12433KAG22
0.73%
MBBA
Data will be available soon
Frequently asked questions about OOSP and MBBA
Which ETF is bigger: OOSP or MBBA?
As of August 31, 2026, OOSP holds $150.38 M in assets under management (AUM), while MBBA manages $156.23 M.
What are the top holdings of the OOSP ETF and MBBA ETF?
OOSP top holdings include US62956HAG11, US12988DAG79 and US76089TAC45. MBBA holds in its top three: US01F0526800, US01F0206874 and BlackRock Liquidity T-Fund.
Which ETF is more diversified: OOSP or MBBA?
OOSP holds 250 securities with 13.18% of its assets in the top 15. MBBA has 491 securities and a top 15 weight of 89.36%.
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