NUIBvsMFSDETF Comparison
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Nuveen Impact Bond ETF (NUIB) and MFS Active Short Duration Income ETF (MFSD) belong to the same industry segment: US Aggregate Bonds. NUIB's top 3 sector exposures are Finance, Utilities and Sovereign. In contrast, MFSD's top sector exposures are Finance, Sovereign and Industrials. NUIB is more expensive with a Total Expense Ratio (TER) of 0.37%, versus 0.25% for MFSD. Run a side-by-side ETF comparison of NUIB 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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NUIB vs MFSD performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/29/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | NUIB MFSD | +1.75%+1.10% | n/an/a | n/an/a | n/an/a | n/an/a | n/an/a |
| Flows | NUIB MFSD | +$1M+$4M | -- | -- | -- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | NUIB MFSD | n/an/a | n/an/a | n/an/a | n/an/a |
| Max drawdown | NUIB MFSD | n/an/a | n/an/a | n/an/a | n/an/a |
| Max drawdown duration | NUIB MFSD | n/an/a | n/an/a | n/an/a | n/an/a |
Trading data
NUIB | MFSD | |
Last sale 11/2/2026 at 2:30 PM | $25.07 | |
| Previous close 10/30/2026 | $25.18 | |
| Consolidated volume 10/30/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Main metrics
Last update 11/2/2026 at 2:30 PM
Live
Closed
NUIB | MFSD | |
|---|---|---|
| Last price | $25.07 | – |
| 1D performance | -0.43% | – |
| AuM | $46.47 M | $31.56 M |
| E/R | 0.37% | 0.25% |
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Exposure
Countries
NUIB
USA
54.61%
Other
45.39%
MFSD
USA
59.95%
Other
40.05%
Sectors
NUIB
Finance
32.15%
Utilities
22.97%
Other
44.88%
MFSD
Finance
27.58%
Sovereign
22.42%
Other
50%
Diversification
NUIB
Total weight of top 15 holdings out of 15
32.79%
MFSD
Total weight of top 15 holdings out of 15
34.02%
Top 15 holdings
Data as of September 30, 2026
NUIB
US91282CRF04
5.30%
USA, Bonds 5% 15may2056, USD
3.52%
Asian Infrastructure Investment Bank (AIIB), 4.25% 13mar2034, USD
2.13%
Port of Morrow, 5.296% 1sep2043, USD (2026)
2.09%
Topaz Solar Farms, 5.75% 30sep2039, USD (A)
1.98%
Mastercard, 1.9% 15mar2031, USD
1.97%
International Development Association (IDA), 4.5% 12feb2035, USD (37)
1.96%
US912810UX45
1.86%
Agence Francaise de Developpement, 4% 15jun2027, USD
1.81%
European Investment Bank (EIB), 0.625% 21oct2027, USD
1.78%
Public Service Company of Oklahoma, 2.2% 15aug2031, USD (J)
1.77%
Pacific Gas & Electric, 6.7% 1apr2053, USD
1.71%
USA, Notes 4.375% 15may2036, USD (C-2036)
1.70%
African Development Bank, 5.75% perp., USD
1.65%
NY State Electric & Gas, 5.05% 15aug2035, USD
1.58%
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%
US05682GBJ67
0.92%
US05682EBE23
0.92%
US88430TBA88
0.92%
US58286QAS49
0.92%
US67577KBL08
0.92%
US883932AS42
0.92%
Frequently asked questions about NUIB and MFSD
Which ETF is bigger: NUIB or MFSD?
As of October 29, 2026, NUIB holds $46.47 M in assets under management (AUM), while MFSD manages $31.56 M.
What sectors do the NUIB and MFSD ETFs invest in?
NUIB leans toward sectors like Finance and Utilities. Meanwhile, MFSD focuses on Finance and Sovereign.
What are the top holdings of the NUIB ETF and MFSD ETF?
NUIB top holdings include US91282CRF04, USA, Bonds 5% 15may2056, USD and Asian Infrastructure Investment Bank (AIIB), 4.25% 13mar2034, USD. 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: NUIB or MFSD?
NUIB holds 91 securities with 32.79% of its assets in the top 15. MFSD has 127 securities and a top 15 weight of 34.02%.
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