MFSBvsGTOSETF Comparison
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MFS Active Core Plus Bond ETF (MFSB) and Invesco Short Duration Bond ETF (GTOS) belong to the same industry segment: US Aggregate Bonds. MFSB's top 3 sector exposures are Finance, Sovereign and Industrials. In contrast, GTOS's top sector exposures are Finance, Industrials and Utilities. MFSB is more expensive with a Total Expense Ratio (TER) of 0.34%, versus 0.31% for GTOS. MFSB is down -0.12% year-to-date (YTD) with +$658M in YTD flows. GTOS performs worse with -1.57% YTD performance, and +$16M in YTD flows. Run a side-by-side ETF comparison of MFSB and GTOS 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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MFSB vs GTOS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/30/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MFSB GTOS | +2.17%+0.18% | -0.26%-0.86% | -0.12%-1.57% | +0.20%-0.67% | n/a+13.53% | n/an/a |
| Flows | MFSB GTOS | +$214M+$7M | +$284M+$4M | +$658M+$16M | +$690M+$50M | -+$117M | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MFSB GTOS | +4.19%+1.76% | +3.58%+1.59% | n/a+1.59% | n/an/a |
| Max drawdown | MFSB GTOS | -3.18%-1.59% | -4.09%-2.34% | n/a-2.34% | n/an/a |
| Max drawdown duration | MFSB GTOS | 66d78d | 243d256d | n/a256d | n/an/a |
Trading data
MFSB | GTOS | |
Last sale 10/30/2026 at 1:30 PM | $24.18 | $24.64 |
| Previous close 10/30/2026 | $24.28 | $24.62 |
| Consolidated volume 10/30/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 10/30/2026 at 1:30 PM
Live
Closed
MFSB | GTOS | |
|---|---|---|
| Last price | $24.18 | $24.64 |
| 1D performance | -0.41% | +0.06% |
| AuM | $799.95 M | $124.49 M |
| E/R | 0.34% | 0.31% |
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Exposure
Countries
MFSB
USA
44.83%
Other
55.17%
GTOS
USA
44.5%
Other
55.5%
Sectors
MFSB
Finance
19.57%
Sovereign
15.52%
Industrials
7.67%
Other
57.24%
GTOS
Finance
24.06%
Industrials
12.89%
Other
63.05%
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Diversification
MFSB
Total weight of top 15 holdings out of 15
29.96%
GTOS
Total weight of top 15 holdings out of 15
12.18%
Top 15 holdings
Data as of September 30, 2026
MFSB
US912810UX45
10.87%
USA, Bonds 5% 15may2056, USD
5.85%
USA, Notes 3.875% 31jul2030, USD (AB-2030)
4.27%
USA, Notes 4.125% 31oct2029, USD (AF-2029)
2.48%
US01F0306A11
0.88%
Bank of America Corporation, 5.744% 12feb2036, USD (N)
0.68%
Boston Properties LP, 5.75% 15jan2035, USD
0.66%
Goldman Sachs, 3.102% 24feb2033, USD
0.57%
Highwoods Realty, 5.35% 15jan2033, USD
0.56%
Morgan Stanley, 5.664% 17apr2036, USD (I)
0.55%
Corebridge Financial, 5.75% 15jan2034, USD
0.52%
Jefferies Financial Group, 5.5% 15feb2036, USD
0.52%
US12570XAQ51
0.52%
US67577KBL08
0.52%
Citadel Securities Global Holdings, 5.75% 27mar2036, USD
0.51%
GTOS
US21881PAC86
1.51%
BX Commercial Mortgage Trust 2026-CSMO, FRN 17feb2043, USD (ABS, A)
0.94%
US746954AC00
0.90%
Allison Transmission, 4.75% 1oct2027, USD
0.86%
VoltaGrid, 7.375% 1nov2030, USD
0.84%
Whetstone Park CLO 2021-1A, FRN 22jan2035, USD (ABS, A1R)
0.83%
US26847XAE94
0.81%
US20469CAE57
0.75%
Brink's Co, 4.625% 15oct2027, USD
0.71%
US91282CRP85
0.70%
Lamar Media, 4.875% 15jan2029, USD
0.70%
Sirius XM Holdings, 5% 1aug2027, USD
0.67%
TransDigm, 6.375% 1mar2029, USD
0.67%
US91282CRL71
0.67%
US36277VAA98
0.64%
Frequently asked questions about MFSB and GTOS
How have the MFSB and GTOS ETFs performed in 2026?
As of October 30, 2026, MFSB is down -0.12% year-to-date (YTD), while GTOS has lost -1.57%. That puts MFSB better performer ahead so far this year.
Which ETF is attracting more investor money: MFSB or GTOS?
Year-to-date, the MFSB ETF saw +$658M in flows, compared to +$16M for GTOS.
Which ETF is more volatile: MFSB or GTOS?
Over the past year, MFSB had a volatility of 3.58%, while GTOS experienced 1.59%.
Which ETF is bigger: MFSB or GTOS?
As of October 30, 2026, MFSB holds $799.95 M in assets under management (AUM), while GTOS manages $124.49 M.
What sectors do the MFSB and GTOS ETFs invest in?
MFSB leans toward sectors like Finance, Sovereign and Industrials. Meanwhile, GTOS focuses on Finance and Industrials.
What are the top holdings of the MFSB ETF and GTOS ETF?
MFSB top holdings include US912810UX45, USA, Bonds 5% 15may2056, USD and USA, Notes 3.875% 31jul2030, USD (AB-2030). GTOS holds in its top three: US21881PAC86, BX Commercial Mortgage Trust 2026-CSMO, FRN 17feb2043, USD (ABS, A) and US746954AC00.
Which ETF is more diversified: MFSB or GTOS?
MFSB holds 472 securities with 29.96% of its assets in the top 15. GTOS has 883 securities and a top 15 weight of 12.18%.
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Latest news about MFSB & GTOS
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