MBSFvsMBBAETF Comparison
VS
Regan Floating Rate MBS ETF (MBSF) and iShares Mortgage-Backed Securities Active ETF (MBBA) have similar underlying exposures to countries and sectors. They also belong to the same industry segment: MBS & ABS. MBSF's top 2 sector exposures are Sovereign and Industrials. In contrast, MBBA's top sector exposures are Industrials and Non-Corporate. MBSF is more expensive with a Total Expense Ratio (TER) of 0.49%, versus 0.26% for MBBA. Run a side-by-side ETF comparison of MBSF 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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MBSF vs MBBA performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/26/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MBSF MBBA | +0.75%+2.01% | +0.49%-1.44% | +2.75%n/a | +3.76%n/a | n/an/a | n/an/a |
| Flows | MBSF MBBA | +$22M+$39M | +$36M+$592M | +$98M- | +$111M- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MBSF MBBA | +1.29%+6.04% | +1.13%n/a | n/an/a | n/an/a |
| Max drawdown | MBSF MBBA | -0.81%-4.67% | -0.81%n/a | n/an/a | n/an/a |
| Max drawdown duration | MBSF MBBA | 35d62d | 35dn/a | n/an/a | n/an/a |
Trading data
MBSF | MBBA | |
Last sale 10/27/2026 at 1:30 PM | $25.59 | $47.98 |
| Previous close 10/26/2026 | $25.56 | $47.92 |
| Consolidated volume 10/26/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Main metrics
Last update 10/27/2026 at 1:30 PM
Live
Closed
MBSF | MBBA | |
|---|---|---|
| Last price | $25.59 | $47.98 |
| 1D performance | +0.12% | +0.11% |
| AuM | $265.29 M | $744.93 M |
| E/R | 0.49% | 0.26% |
Characteristics
MBSF | MBBA | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Regan Capital | iShares |
| Benchmark | - | - |
| N° of holdings | 10 | 26 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | February 28, 2024 | January 23, 2026 |
| ESG | No | No |
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Exposure
Countries
MBSF
Other
100%
MBBA
Data will be available soon
Sectors
MBSF
Other
100%
MBBA
Data will be available soon
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Diversification
MBSF
Total weight of top 15 holdings out of 15
25.01%
MBBA
Data will be available soon
Top 15 holdings
Data as of August 31, 2026
MBSF
USA, TIPS 0.125% 15apr2027, USD (X-2027)
4.57%
US3137BEBR41
2.18%
US3136B9AP20
2.05%
US3136B5DQ53
1.75%
US3137BFXK25
1.68%
US3136B7AM33
1.64%
US38382AZQ11
1.49%
US3137FLVL57
1.37%
US3136B5E273
1.37%
US38382AZK41
1.29%
US38381YDP60
1.21%
US3137HDQP82
1.12%
US38379VU289
1.11%
US38381YS218
1.10%
US38381XGR17
1.07%
MBBA
Data will be available soon
Frequently asked questions about MBSF and MBBA
Which ETF is bigger: MBSF or MBBA?
As of October 26, 2026, MBSF holds $265.29 M in assets under management (AUM), while MBBA manages $744.93 M.
What are the top holdings of the MBSF ETF and MBBA ETF?
MBSF top holdings include USA, TIPS 0.125% 15apr2027, USD (X-2027), US3137BEBR41 and US3136B9AP20. MBBA holds in its top three: US01F0206A20, US01F0226A83 and US01F0526982.
Which ETF is more diversified: MBSF or MBBA?
MBSF holds 444 securities with 25.01% of its assets in the top 15. MBBA has 506 securities and a top 15 weight of 85.37%.
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