FIMUvsMBBAETF Comparison
VS
Fidelity Intermediate Municipal Income ETF (FIMU) belongs to the Municipal Bonds segment. iShares Mortgage-Backed Securities Active ETF (MBBA) is part of the MBS & ABS segment. FIMU's top 2 sector exposures are Municipal and Non-Corporate. In contrast, MBBA's top sector exposures are Industrials and Non-Corporate. FIMU is more expensive with a Total Expense Ratio (TER) of 0.31%, versus 0.26% for MBBA. Run a side-by-side ETF comparison of FIMU 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.
Find out how industry players manage ETF portfolios. Discover our library of Model portfolios
FIMU vs MBBA performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/18/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | FIMU MBBA | -1.99%-1.87% | -2.96%-2.54% | n/an/a | n/an/a | n/an/a | n/an/a |
| Flows | FIMU MBBA | -+$11M | +$1M+$17M | -- | -- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | FIMU MBBA | +2.70%+4.90% | n/an/a | n/an/a | n/an/a |
| Max drawdown | FIMU MBBA | -3.17%-3.24% | n/an/a | n/an/a | n/an/a |
| Max drawdown duration | FIMU MBBA | 74d81d | n/an/a | n/an/a | n/an/a |
Trading data
FIMU | MBBA | |
Last sale 9/18/2026 at 1:30 PM | $19.37 | $47.82 |
| Previous close 09/17/2026 | $19.37 | $48.15 |
| Consolidated volume 09/17/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Advertisement
Main metrics
Last update 9/18/2026 at 1:30 PM
Live
Closed
FIMU | MBBA | |
|---|---|---|
| Last price | $19.37 | $47.82 |
| 1D performance | +0.00% | -0.69% |
| AuM | $2.90 M | $164.54 M |
| E/R | 0.31% | 0.26% |
Advertisement
Exposure
Countries
FIMU
USA
37.71%
Other
62.29%
MBBA
Data will be available soon
Sectors
FIMU
Municipal
33.09%
Other
66.91%
MBBA
Data will be available soon
Advertisement
Diversification
FIMU
Total weight of top 15 holdings out of 15
12.48%
MBBA
Data will be available soon
Top 15 holdings
Data as of July 31, 2026
FIMU
Fidelity Municipal Cash Central Fund
4.62%
Black Belt Energy Gas District, 5% 1jun2031, USD (2026)
0.81%
Black Belt Energy Gas District, 5% 1nov2036, USD (2026)
0.81%
Main Street Energy Inc., 5% 1oct2033, USD (2026A)
0.70%
Main Street Energy Inc., 5% 1sep2036, USD (2026C)
0.68%
Lower Alabama Gas District, 5% 1dec2033, USD (2025)
0.57%
US84136HCT86
0.57%
Black Belt Energy Gas District, 5% 1oct2033, USD (2026)
0.56%
US292723DP56
0.54%
Texas Municipal Gas Acquisition and Supply Corp., 5.25% 1mar2037, USD (2026A)
0.51%
California Community Choice Financing Authority, 5% 1feb2031, USD (2026D)
0.48%
US09182TGC53
0.45%
Southeast Energy Authority, 5.25% 1mar2055, USD (2025B)
0.41%
Tennessee Energy Acquisition Corp., 5% 1dec2035, USD (2025A)
0.39%
US84136HAH66
0.38%
MBBA
Data will be available soon
Frequently asked questions about FIMU and MBBA
Which ETF is bigger: FIMU or MBBA?
As of September 18, 2026, FIMU holds $2.90 M in assets under management (AUM), while MBBA manages $164.54 M.
What sectors do the FIMU and MBBA ETFs invest in?
FIMU leans toward sectors like Municipal. Meanwhile, MBBA focuses on Industrials and Non-Corporate.
What are the top holdings of the FIMU ETF and MBBA ETF?
FIMU top holdings include Fidelity Municipal Cash Central Fund, Black Belt Energy Gas District, 5% 1jun2031, USD (2026) and Black Belt Energy Gas District, 5% 1nov2036, USD (2026). MBBA holds in its top three: US01F0526800, US01F0206874 and BlackRock Liquidity T-Fund.
Which ETF is more diversified: FIMU or MBBA?
FIMU holds 2796 securities with 12.48% of its assets in the top 15. MBBA has 491 securities and a top 15 weight of 89.36%.
Advertisement
Advertisement
