CRUXvsMFSMETF Comparison
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Columbia Core Bond ETF (CRUX) belongs to the US Aggregate Bonds segment. MFS Active Intermediate Muni Bond ETF (MFSM) is part of the Municipal Bonds segment. CRUX's top 3 sector exposures are Industrials, Finance and Consumer Non-Cyclicals. In contrast, MFSM's top sector exposures are Municipal. CRUX is less expensive with a Total Expense Ratio (TER) of 0.32%, versus 0.34% for MFSM. Run a side-by-side ETF comparison of CRUX and MFSM 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 MFSM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | CRUX MFSM | -0.10%-0.02% | -0.77%-1.06% | n/a+0.64% | n/a+4.31% | n/an/a | n/an/a |
| Flows | CRUX MFSM | +$56M+$4M | +$44M+$7M | -+$53M | -+$57M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | CRUX MFSM | +3.87%+2.33% | n/a+2.22% | n/an/a | n/an/a |
| Max drawdown | CRUX MFSM | -1.77%-1.90% | n/a-2.48% | n/an/a | n/an/a |
| Max drawdown duration | CRUX MFSM | 64d56d | n/a117d | n/an/a | n/an/a |
Trading data
CRUX | MFSM | |
Last sale 9/2/2026 at 1:30 PM | $29.29 | $24.45 |
| Previous close 09/01/2026 | $29.29 | $24.50 |
| Consolidated volume 09/01/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/2/2026 at 1:30 PM
Live
Closed
CRUX | MFSM | |
|---|---|---|
| Last price | $29.29 | $24.45 |
| 1D performance | -0.02% | -0.21% |
| AuM | $2.16 B | $103.77 M |
| E/R | 0.32% | 0.34% |
Characteristics
CRUX | MFSM | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Columbia Threadneedle Investments | MFS |
| Benchmark | - | - |
| N° of holdings | 145 | 103 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | March 13, 2026 | December 4, 2024 |
| ESG | No | No |
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Exposure
Countries
CRUX
USA
27.98%
Other
72.02%
MFSM
USA
27.33%
Other
72.67%
Sectors
CRUX
Industrials
13.48%
Other
86.52%
MFSM
Municipal
27.33%
Other
72.67%
Diversification
CRUX
Total weight of top 15 holdings out of 15
22.4%
MFSM
Total weight of top 15 holdings out of 15
10.5%
Top 15 holdings
Data as of July 31, 2026
CRUX
US19766H2397
5.11%
US01F0526982
2.97%
US3136G5FU96
1.62%
FN MA4783, 4% 1oct2052, USD (ABS)
1.30%
JP Morgan, 4.622% 23apr2032, USD
1.25%
US31427SBG21
1.11%
Northrop Grumman, 3.2% 1feb2027, USD
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)
0.92%
US3137GCF657
0.92%
US69383YAE77
0.90%
MFSM
US49126RAC07
1.00%
US60416UV512
0.94%
Oklahoma Public Property Authority, 5% 1jun2034, USD (2026)
0.83%
Missouri Health and Educational Facilities Authority, 5% 1apr2036, USD (2026A)
0.83%
US708692CB22
0.75%
California Community Choice Financing Authority, 5% 1dec2055, USD (2025C)
0.72%
US763056DQ86
0.72%
US702538FE43
0.71%
US95235TAW36
0.69%
Paulding Hospital Authority, 5% 1apr2036, USD
0.55%
St. Cloud, 5% 1may2036, USD (2026)
0.55%
US164555EB63
0.55%
US49121DAB82
0.55%
US75989FAM59
0.55%
St. Tammany Parish Hospital Service District №1, 5% 1jul2056, USD (2026A)
0.55%
Frequently asked questions about CRUX and MFSM
Which ETF is bigger: CRUX or MFSM?
As of September 1, 2026, CRUX holds $2.16 B in assets under management (AUM), while MFSM manages $103.77 M.
What sectors do the CRUX and MFSM ETFs invest in?
CRUX leans toward sectors like Industrials. Meanwhile, MFSM focuses on Municipal.
What are the top holdings of the CRUX ETF and MFSM ETF?
CRUX top holdings include US19766H2397, US01F0526982 and US3136G5FU96. MFSM holds in its top three: US49126RAC07, US60416UV512 and Oklahoma Public Property Authority, 5% 1jun2034, USD (2026).
Which ETF is more diversified: CRUX or MFSM?
CRUX holds 425 securities with 22.4% of its assets in the top 15. MFSM has 409 securities and a top 15 weight of 10.5%.
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Latest news about CRUX & MFSM
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