FIMUvsFMUBETF Comparison
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Fidelity Intermediate Municipal Income ETF (FIMU) and Fidelity Municipal Bond Opportunities ETF (FMUB) belong to the same industry segment: Municipal Bonds. Both ETFs have the same top 2 sector exposures: Municipal and Non-Corporate. FIMU is more expensive with a Total Expense Ratio (TER) of 0.31%, versus 0.3% for FMUB. Run a side-by-side ETF comparison of FIMU and FMUB 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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FIMU vs FMUB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 11/05/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | FIMU FMUB | +3.80%+4.31% | +0.27%+0.32% | n/a+1.73% | n/a+2.15% | n/an/a | n/an/a |
| Flows | FIMU FMUB | +$4M+$143M | +$92M+$156M | -+$253M | -+$266M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | FIMU FMUB | +4.54%+5.23% | n/a+3.32% | n/an/a | n/an/a |
| Max drawdown | FIMU FMUB | -4.87%-5.41% | n/a-6.03% | n/an/a | n/an/a |
| Max drawdown duration | FIMU FMUB | 84d84d | n/a122d | n/an/a | n/an/a |
Trading data
FIMU | FMUB | |
Last sale 11/5/2026 at 2:30 PM | $19.70 | $50.42 |
| Previous close 11/04/2026 | $19.65 | $50.27 |
| Consolidated volume 11/04/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 11/5/2026 at 2:30 PM
Live
Closed
FIMU | FMUB | |
|---|---|---|
| Last price | $19.70 | $50.42 |
| 1D performance | +0.24% | +0.31% |
| AuM | $97.16 M | $402.24 M |
| E/R | 0.31% | 0.3% |
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Exposure
Countries
FIMU
USA
36.22%
Other
63.78%
FMUB
USA
30.84%
Other
69.16%
Sectors
FIMU
Municipal
31.87%
Other
68.13%
FMUB
Municipal
26.78%
Other
73.22%
Diversification
FIMU
Total weight of top 15 holdings out of 15
12.5%
FMUB
Total weight of top 15 holdings out of 15
15.52%
Top 15 holdings
Data as of September 30, 2026
FIMU
Fidelity Municipal Cash Central Fund
4.35%
Black Belt Energy Gas District, 5% 1jun2031, USD (2026)
0.82%
Black Belt Energy Gas District, 5% 1nov2036, USD (2026)
0.80%
Main Street Energy Inc., 5% 1oct2033, USD (2026A)
0.73%
Main Street Energy Inc., 5% 1sep2036, USD (2026C)
0.67%
US84136HCT86
0.57%
Black Belt Energy Gas District, 5% 1oct2033, USD (2026)
0.56%
Lower Alabama Gas District, 5% 1dec2033, USD (2025)
0.56%
US88256RBD70
0.55%
US292723DP56
0.55%
Texas Municipal Gas Acquisition and Supply Corp., 5.25% 1mar2037, USD (2026A)
0.50%
US292723DT78
0.49%
California Community Choice Financing Authority, 5% 1feb2031, USD (2026D)
0.49%
US09182TGC53
0.45%
Southeast Energy Authority, 5.25% 1mar2055, USD (2025B)
0.41%
FMUB
Fidelity Municipal Cash Central Fund
4.06%
US54659LDS07
1.68%
US88256RBD70
1.10%
Black Belt Energy Gas District, 5% 1jun2031, USD (2026)
0.93%
US56035DJJ28
0.82%
San Antonio Electric and Gas Systems, FRN 1feb2055, USD (2026A)
0.76%
US64987KDJ43
0.76%
Florida Housing Finance Corp., 1.8% 1jul2036, USD (2021)
0.74%
US560354AH55
0.73%
US84136HCT86
0.73%
US52349EEY23
0.67%
Black Belt Energy Gas District, 5% 1nov2036, USD (2026)
0.67%
US88256FAU66
0.63%
Black Belt Energy Gas District, 5% 1dec2034, USD (2026)
0.62%
Black Belt Energy Gas District, 5% 1oct2033, USD (2026)
0.62%
Frequently asked questions about FIMU and FMUB
Which ETF is bigger: FIMU or FMUB?
As of November 5, 2026, FIMU holds $97.16 M in assets under management (AUM), while FMUB manages $402.24 M.
What sectors do the FIMU and FMUB ETFs invest in?
FIMU leans toward sectors like Municipal. Meanwhile, FMUB focuses on Municipal.
What are the top holdings of the FIMU ETF and FMUB 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). FMUB holds in its top three: Fidelity Municipal Cash Central Fund, US54659LDS07 and US88256RBD70.
Which ETF is more diversified: FIMU or FMUB?
FIMU holds 2765 securities with 12.5% of its assets in the top 15. FMUB has 573 securities and a top 15 weight of 15.52%.
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