FMUBvsCRUXETF Comparison
VS
Fidelity Municipal Bond Opportunities ETF (FMUB) belongs to the Municipal Bonds segment. Columbia Core Bond ETF (CRUX) is part of the US Aggregate Bonds segment. FMUB's top 2 sector exposures are Municipal and Non-Corporate. In contrast, CRUX's top sector exposures are Industrials, Non-Corporate and Finance. FMUB is less expensive with a Total Expense Ratio (TER) of 0.3%, versus 0.32% for CRUX. Run a side-by-side ETF comparison of FMUB and CRUX 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
FMUB vs CRUX performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | FMUB CRUX | -0.32%-0.29% | -3.01%-1.94% | -1.19%n/a | -0.73%n/a | n/an/a | n/an/a |
| Flows | FMUB CRUX | +$44M+$121M | +$62M+$120M | +$148M- | +$164M- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | FMUB CRUX | +5.00%+4.18% | +3.14%n/a | n/an/a | n/an/a |
| Max drawdown | FMUB CRUX | -5.46%-3.35% | -6.03%n/a | n/an/a | n/an/a |
| Max drawdown duration | FMUB CRUX | 92d52d | 102dn/a | n/an/a | n/an/a |
Trading data
FMUB | CRUX | |
Last sale 10/16/2026 at 1:30 PM | $49.11 | $28.78 |
| Previous close 10/15/2026 | $49.07 | $28.76 |
| Consolidated volume 10/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Advertisement
Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
FMUB | CRUX | |
|---|---|---|
| Last price | $49.11 | $28.78 |
| 1D performance | +0.08% | +0.07% |
| AuM | $288.02 M | $2.27 B |
| E/R | 0.3% | 0.32% |
Characteristics
FMUB | CRUX | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Fidelity | Columbia Threadneedle Investments |
| Benchmark | - | - |
| N° of holdings | 164 | 147 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | April 8, 2025 | March 13, 2026 |
| ESG | No | No |
Advertisement
Exposure
Countries
FMUB
USA
34.21%
Other
65.79%
CRUX
USA
33.69%
Other
66.31%
Sectors
FMUB
Municipal
26.63%
Non-Corporate
7.58%
Other
65.79%
CRUX
Industrials
13.48%
Other
86.52%
Advertisement
Diversification
FMUB
Total weight of top 15 holdings out of 15
18.46%
CRUX
Total weight of top 15 holdings out of 15
22.65%
Top 15 holdings
Data as of August 31, 2026
FMUB
Fidelity Municipal Cash Central Fund
7.58%
US54659LDS07
1.66%
Black Belt Energy Gas District, 5% 1jun2031, USD (2026)
0.91%
US56035DJJ28
0.80%
US23503CFM47
0.76%
US64987KDJ43
0.75%
San Antonio Electric and Gas Systems, FRN 1feb2055, USD (2026A)
0.75%
Florida Housing Finance Corp., 1.8% 1jul2036, USD (2021)
0.75%
US84136HCT86
0.72%
US52349EEY23
0.67%
Black Belt Energy Gas District, 5% 1nov2036, USD (2026)
0.66%
US88256FAU66
0.63%
Black Belt Energy Gas District, 5% 1dec2034, USD (2026)
0.61%
Black Belt Energy Gas District, 5% 1oct2033, USD (2026)
0.61%
University of Kansas Hospital Authority, 5.5% 1mar2054, USD (2026A)
0.60%
CRUX
Columbia Short Term Cash Fund
5.43%
US01F0526982
2.97%
US3136G5FU96
1.59%
FN MA4783, 4% 1oct2052, USD (ABS)
1.30%
JP Morgan, 4.622% 23apr2032, USD
1.24%
Northrop Grumman, 3.2% 1feb2027, USD
1.11%
US31427SBG21
1.11%
US01F0606917
1.10%
US31427SF520
1.07%
US3140QVVC58
1.05%
US31427SF371
1.02%
US69547DAC02
0.95%
GoldenTree Loan Management US CLO 2021-9A, FRN 20apr2037, USD (ABS, AR2)
0.91%
US69383YAE77
0.90%
US38385WBV54
0.90%
Frequently asked questions about FMUB and CRUX
Which ETF is bigger: FMUB or CRUX?
As of October 16, 2026, FMUB holds $288.02 M in assets under management (AUM), while CRUX manages $2.27 B.
What sectors do the FMUB and CRUX ETFs invest in?
FMUB leans toward sectors like Municipal and Non-Corporate. Meanwhile, CRUX focuses on Industrials.
What are the top holdings of the FMUB ETF and CRUX ETF?
FMUB top holdings include Fidelity Municipal Cash Central Fund, US54659LDS07 and Black Belt Energy Gas District, 5% 1jun2031, USD (2026). CRUX holds in its top three: Columbia Short Term Cash Fund, US01F0526982 and US3136G5FU96.
Which ETF is more diversified: FMUB or CRUX?
FMUB holds 563 securities with 18.46% of its assets in the top 15. CRUX has 426 securities and a top 15 weight of 22.65%.
Advertisement
Advertisement
