CRUXvsFMUBETF Comparison
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Columbia Core Bond ETF (CRUX) belongs to the US Aggregate Bonds segment. Fidelity Municipal Bond Opportunities ETF (FMUB) is part of the Municipal Bonds segment. CRUX's top 3 sector exposures are Industrials, Non-Corporate and Finance. In contrast, FMUB's top sector exposures are Municipal and Non-Corporate. CRUX is more expensive with a Total Expense Ratio (TER) of 0.32%, versus 0.3% for FMUB. Run a side-by-side ETF comparison of CRUX 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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CRUX vs FMUB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | CRUX FMUB | -0.29%-0.32% | -1.94%-3.01% | n/a-1.19% | n/a-0.73% | n/an/a | n/an/a |
| Flows | CRUX FMUB | +$121M+$44M | +$120M+$62M | -+$148M | -+$164M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | CRUX FMUB | +4.18%+5.00% | n/a+3.14% | n/an/a | n/an/a |
| Max drawdown | CRUX FMUB | -3.35%-5.46% | n/a-6.03% | n/an/a | n/an/a |
| Max drawdown duration | CRUX FMUB | 52d92d | n/a102d | n/an/a | n/an/a |
Trading data
CRUX | FMUB | |
Last sale 10/16/2026 at 1:30 PM | $28.78 | $49.11 |
| Previous close 10/15/2026 | $28.76 | $49.07 |
| Consolidated volume 10/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
CRUX | FMUB | |
|---|---|---|
| Last price | $28.78 | $49.11 |
| 1D performance | +0.07% | +0.08% |
| AuM | $2.27 B | $288.02 M |
| E/R | 0.32% | 0.3% |
Characteristics
CRUX | FMUB | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Columbia Threadneedle Investments | Fidelity |
| Benchmark | - | - |
| N° of holdings | 147 | 164 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | March 13, 2026 | April 8, 2025 |
| ESG | No | No |
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Exposure
Countries
CRUX
USA
33.69%
Other
66.31%
FMUB
USA
34.21%
Other
65.79%
Sectors
CRUX
Industrials
13.48%
Other
86.52%
FMUB
Municipal
26.63%
Non-Corporate
7.58%
Other
65.79%
Diversification
CRUX
Total weight of top 15 holdings out of 15
22.65%
FMUB
Total weight of top 15 holdings out of 15
18.46%
Top 15 holdings
Data as of August 31, 2026
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%
US38385WBV54
0.90%
US3137GCF657
0.90%
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%
Florida Housing Finance Corp., 1.8% 1jul2036, USD (2021)
0.75%
San Antonio Electric and Gas Systems, FRN 1feb2055, USD (2026A)
0.75%
US64987KDJ43
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%
Frequently asked questions about CRUX and FMUB
Which ETF is bigger: CRUX or FMUB?
As of October 16, 2026, CRUX holds $2.27 B in assets under management (AUM), while FMUB manages $288.02 M.
What sectors do the CRUX and FMUB ETFs invest in?
CRUX leans toward sectors like Industrials. Meanwhile, FMUB focuses on Municipal and Non-Corporate.
What are the top holdings of the CRUX ETF and FMUB ETF?
CRUX top holdings include Columbia Short Term Cash Fund, US01F0526982 and US3136G5FU96. FMUB holds in its top three: Fidelity Municipal Cash Central Fund, US54659LDS07 and Black Belt Energy Gas District, 5% 1jun2031, USD (2026).
Which ETF is more diversified: CRUX or FMUB?
CRUX holds 426 securities with 22.65% of its assets in the top 15. FMUB has 563 securities and a top 15 weight of 18.46%.
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