FSTBvsMFSDETF Comparison
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Fidelity Short-Term Bond ETF (FSTB) belongs to the Intl IG Bonds segment. MFS Active Short Duration Income ETF (MFSD) is part of the US Aggregate Bonds segment. FSTB's top 3 sector exposures are Sovereign, Finance and Industrials. In contrast, MFSD's top sector exposures are Finance, Sovereign and Industrials. FSTB is less expensive with a Total Expense Ratio (TER) of 0.21%, versus 0.25% for MFSD. Run a side-by-side ETF comparison of FSTB and MFSD 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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FSTB vs MFSD performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 11/06/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | FSTB MFSD | +0.94%+1.13% | +0.60%n/a | n/an/a | n/an/a | n/an/a | n/an/a |
| Flows | FSTB MFSD | +$3M+$7M | +$64M- | -- | -- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | FSTB MFSD | +1.54%n/a | n/an/a | n/an/a | n/an/a |
| Max drawdown | FSTB MFSD | -0.96%n/a | n/an/a | n/an/a | n/an/a |
| Max drawdown duration | FSTB MFSD | 65dn/a | n/an/a | n/an/a | n/an/a |
Trading data
FSTB | MFSD | |
Last sale 11/6/2026 at 2:30 PM | $19.90 | |
| Previous close 11/04/2026 | $19.88 | |
| 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 11/6/2026 at 2:30 PM
Live
Closed
FSTB | MFSD | |
|---|---|---|
| Last price | $19.90 | – |
| 1D performance | +0.10% | – |
| AuM | $237.00 M | $35.37 M |
| E/R | 0.21% | 0.25% |
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Exposure
Countries
FSTB
USA
62.44%
Other
37.56%
MFSD
USA
59.95%
Other
40.05%
Sectors
FSTB
Sovereign
36.96%
Finance
27.22%
Other
35.82%
MFSD
Finance
27.58%
Sovereign
22.42%
Other
50%
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Diversification
FSTB
Total weight of top 15 holdings out of 15
45.14%
MFSD
Total weight of top 15 holdings out of 15
34.02%
Top 15 holdings
Data as of September 30, 2026
FSTB
USA, Notes 3.875% 15may2029, USD (AN-2029)
11.66%
USA, Notes 3.375% 15sep2028, USD (AS-2028)
6.26%
USA, Notes 3.5% 15dec2028, USD (AV-2028)
6.22%
USA, Notes 3.5% 15feb2029, USD (AK-2029)
5.24%
US91282CRG86
4.95%
USA, Notes 4.625% 30sep2028, USD (AD-2028)
4.44%
USA, Notes 3.625% 15aug2028, USD (AR-2028)
2.99%
US31635A1051
0.83%
Bank of America Corporation, 4.271% 23jul2029, USD (N)
0.43%
HSBC Holdings plc, 4.711% 12may2030, USD
0.37%
US12567MAN11
0.36%
JP Morgan, 4.851% 25jul2028, USD
0.36%
Bank of America Corporation, 4.979% 24jan2029, USD (N)
0.35%
US33884EAQ44
0.34%
US33883JBG58
0.34%
MFSD
USA, Notes 4.875% 31oct2028, USD (AF-2028)
14.05%
USA, Notes 3.875% 15mar2028, USD (AL-2028)
6.35%
USA, Notes 4.625% 30apr2029, USD (Y-2029)
2.02%
Flutter Treasury, 5.875% 4jun2031, USD
1.41%
US83408KAA79
0.94%
US04018UAY10
0.93%
US67579ABC09
0.93%
US55287EAE77
0.93%
US15032DBB64
0.92%
US67577KBL08
0.92%
US58286QAS49
0.92%
US05682EBE23
0.92%
US05682GBJ67
0.92%
US88430TBA88
0.92%
US883932AS42
0.92%
Frequently asked questions about FSTB and MFSD
Which ETF is bigger: FSTB or MFSD?
As of November 6, 2026, FSTB holds $237.00 M in assets under management (AUM), while MFSD manages $35.37 M.
What sectors do the FSTB and MFSD ETFs invest in?
FSTB leans toward sectors like Sovereign and Finance. Meanwhile, MFSD focuses on Finance and Sovereign.
What are the top holdings of the FSTB ETF and MFSD ETF?
FSTB top holdings include USA, Notes 3.875% 15may2029, USD (AN-2029), USA, Notes 3.375% 15sep2028, USD (AS-2028) and USA, Notes 3.5% 15dec2028, USD (AV-2028). MFSD holds in its top three: USA, Notes 4.875% 31oct2028, USD (AF-2028), USA, Notes 3.875% 15mar2028, USD (AL-2028) and USA, Notes 4.625% 30apr2029, USD (Y-2029).
Which ETF is more diversified: FSTB or MFSD?
FSTB holds 440 securities with 45.14% of its assets in the top 15. MFSD has 127 securities and a top 15 weight of 34.02%.
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