NUIBvsFLDBETF Comparison
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Nuveen Impact Bond ETF (NUIB) belongs to the US Aggregate Bonds segment. Fidelity Low Duration Bond ETF (FLDB) is part of the Money Market Bonds segment. NUIB's top 3 sector exposures are Finance, Utilities and Sovereign. In contrast, FLDB's top sector exposures are Finance, Sovereign and Industrials. NUIB is more expensive with a Total Expense Ratio (TER) of 0.37%, versus 0.2% for FLDB. Run a side-by-side ETF comparison of NUIB and FLDB 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 FLDB 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 FLDB | +1.75%+0.48% | n/a+0.93% | n/a+2.97% | n/a+3.75% | n/an/a | n/an/a |
| Flows | NUIB FLDB | +$1M+$20M | -+$38M | -+$59M | -+$64M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | NUIB FLDB | n/a+0.39% | n/a+0.35% | n/an/a | n/an/a |
| Max drawdown | NUIB FLDB | n/a-0.07% | n/a-0.08% | n/an/a | n/an/a |
| Max drawdown duration | NUIB FLDB | n/a12d | n/a17d | n/an/a | n/an/a |
Trading data
NUIB | FLDB | |
Last sale 10/30/2026 at 1:30 PM | $25.18 | $50.21 |
| Previous close 10/29/2026 | $25.13 | $50.21 |
| Consolidated volume 10/29/2026 | ||
| 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
NUIB | FLDB | |
|---|---|---|
| Last price | $25.18 | $50.21 |
| 1D performance | +0.20% | +0.01% |
| AuM | $46.47 M | $447.66 M |
| E/R | 0.37% | 0.2% |
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Exposure
Countries
NUIB
USA
54.61%
Other
45.39%
FLDB
USA
57.07%
Other
42.93%
Sectors
NUIB
Finance
32.15%
Utilities
22.97%
Other
44.88%
FLDB
Finance
34%
Sovereign
29.54%
Other
36.46%
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Diversification
NUIB
Total weight of top 15 holdings out of 15
32.79%
FLDB
Total weight of top 15 holdings out of 15
35.29%
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%
FLDB
USA, Notes 4.125% 31jan2027, USD (AW-2027)
8.41%
USA, Notes 3.625% 31aug2027, USD (BG-2027)
7.20%
USA, Notes 3.375% 31dec2027, USD (BM-2027)
5.83%
USA, Notes 3.75% 30apr2028, USD (BA-2028)
4.91%
US91282CRH69
2.59%
USA, Notes 3.5% 30sep2026, USD (BH-2026)
1.68%
USA, Notes 3.5% 31oct2027, USD (BJ-2027)
1.51%
US31635A1051
0.63%
JP Morgan, 6.07% 22oct2027, USD
0.38%
Goldman Sachs, 1.948% 21oct2027, USD
0.38%
HSBC Holdings plc, 2.251% 22nov2027, USD
0.36%
US33884EAQ44
0.36%
US33883DAQ79
0.35%
Toronto-Dominion Bank, 4.568% 17dec2026, USD (C)
0.35%
Mitsubishi UFJ Financial Group, 5.017% 20jul2028, USD
0.35%
Frequently asked questions about NUIB and FLDB
Which ETF is bigger: NUIB or FLDB?
As of October 29, 2026, NUIB holds $46.47 M in assets under management (AUM), while FLDB manages $447.66 M.
What sectors do the NUIB and FLDB ETFs invest in?
NUIB leans toward sectors like Finance and Utilities. Meanwhile, FLDB focuses on Finance and Sovereign.
What are the top holdings of the NUIB ETF and FLDB ETF?
NUIB top holdings include US91282CRF04, USA, Bonds 5% 15may2056, USD and Asian Infrastructure Investment Bank (AIIB), 4.25% 13mar2034, USD. FLDB holds in its top three: USA, Notes 4.125% 31jan2027, USD (AW-2027), USA, Notes 3.625% 31aug2027, USD (BG-2027) and USA, Notes 3.375% 31dec2027, USD (BM-2027).
Which ETF is more diversified: NUIB or FLDB?
NUIB holds 91 securities with 32.79% of its assets in the top 15. FLDB has 374 securities and a top 15 weight of 35.29%.
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