BTOTvsNUAGETF Comparison
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iShares Total USD Fixed Income Market ETF (BTOT) and Nuveen Enhanced Yield US Aggregate Bond ETF (NUAG) belong to the same industry segment: US Aggregate Bonds. BTOT's top 3 sector exposures are Sovereign, Finance and Industrials. In contrast, NUAG's top sector exposures are Sovereign, Industrials and Finance. BTOT is less expensive with a Total Expense Ratio (TER) of 0.1%, versus 0.19% for NUAG. BTOT is down -0.11% year-to-date (YTD) with +$5M in YTD flows. NUAG performs worse with -0.32% YTD performance, and +$34M in YTD flows. Run a side-by-side ETF comparison of BTOT and NUAG 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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BTOT vs NUAG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BTOT NUAG | -0.02%-0.08% | -0.68%-0.99% | -0.11%-0.32% | n/a+2.21% | n/a+15.90% | n/a-0.54% |
| Flows | BTOT NUAG | -+$2M | +$5M+$5M | +$5M+$34M | -+$42M | -+$67M | --$196M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BTOT NUAG | +3.50%+3.88% | n/a+3.60% | n/a+4.84% | n/a+5.76% |
| Max drawdown | BTOT NUAG | -1.49%-1.77% | n/a-2.60% | n/a-4.37% | n/a-19.26% |
| Max drawdown duration | BTOT NUAG | 64d65d | n/a185d | n/a282d | n/a1604d |
Trading data
BTOT | NUAG | |
Last sale 9/3/2026 at 1:30 PM | $48.72 | $20.55 |
| Previous close 09/02/2026 | $48.56 | $20.49 |
| Consolidated volume 09/02/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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BTOT | NUAG | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/3/2026 at 1:30 PM
Live
Closed
BTOT | NUAG | |
|---|---|---|
| Last price | $48.72 | $20.55 |
| 1D performance | +0.32% | +0.26% |
| AuM | $29.10 M | $97.79 M |
| E/R | 0.1% | 0.19% |
Characteristics
BTOT | NUAG | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | Nuveen |
| Benchmark | Bloomberg US Total Fixed Income Market Index | ICE BofA Enhanced Yield US Broad Bond Index |
| N° of holdings | 1001 | 1112 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 10, 2025 | September 14, 2016 |
| ESG | No | No |
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Exposure
Countries
BTOT
USA
76.56%
Other
23.44%
NUAG
USA
71.21%
Other
28.79%
Sectors
BTOT
Sovereign
44.98%
Finance
11.87%
Other
43.15%
NUAG
Sovereign
34.29%
Industrials
13.37%
Finance
10.99%
Utilities
10.71%
Other
30.64%
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Diversification
BTOT
Total weight of top 15 holdings out of 15
19.36%
NUAG
Total weight of top 15 holdings out of 15
23.03%
Top 15 holdings
Data as of July 31, 2026
BTOT
BlackRock Cash Funds - Institutional
5.64%
US31418EB825
1.92%
FR SD8212, 2.5% 1may2052, USD (ABS)
1.32%
USA, Notes 3.875% 31jul2027, USD (BE-2027)
1.08%
Benchmark Mortgage Trust 2025-V18, 5.18365% 18oct2058, USD (ABS, A3)
1.03%
USA, Notes 4.875% 31oct2030, USD (R-2030)
0.93%
USA, Notes 3.625% 31aug2027, USD (BG-2027)
0.86%
US3140XPXH76
0.86%
USA, Notes 3.375% 15sep2027, USD (AS-2027)
0.86%
US01F0204895
0.85%
USA, Notes 4% 31jul2032, USD (N-2032)
0.85%
USA, Notes 4% 30apr2032, USD (K-2032)
0.84%
US01F0326821
0.84%
USA, Notes 1.875% 15feb2032, USD (B-2032)
0.75%
US31418EDD94
0.74%
NUAG
USA, Notes 3.875% 31mar2028, USD (AZ-2028)
5.46%
USA, Notes 3.5% 31jan2028, USD (U-2028)
3.01%
USA, Notes 4.25% 31jan2030, USD (U-2030)
2.92%
USA, Notes 3.75% 31jan2031, USD (U-2031)
1.66%
USA, Notes 4.375% 15may2036, USD (C-2036)
1.45%
USA, Notes 3.625% 31dec2030, USD (AH-2030)
1.42%
USA, Notes 4.125% 31may2031, USD (Z-2031)
1.14%
USA, Bonds 5% 15may2046, USD
0.98%
USA, Notes 3.5% 31oct2027, USD (BJ-2027)
0.77%
FN MA4355, 2% 1jun2051, USD (ABS)
0.76%
FN MA4238, 2.5% 1jan2051, USD (ABS)
0.75%
USA, Notes 3.625% 31oct2030, USD (AF-2030)
0.71%
USA, Bonds 5% 15may2056, USD
0.69%
USA, Bonds 4.625% 15feb2046, USD
0.68%
USA, Notes 4.375% 31dec2029, USD (AH-2029)
0.63%
Frequently asked questions about BTOT and NUAG
How have the BTOT and NUAG ETFs performed in 2026?
As of September 1, 2026, BTOT is down -0.11% year-to-date (YTD), while NUAG has lost -0.32%. That puts BTOT better performer ahead so far this year.
Which ETF is attracting more investor money: BTOT or NUAG?
Year-to-date, the BTOT ETF saw +$5M in flows, compared to +$34M for NUAG.
Which ETF is bigger: BTOT or NUAG?
As of September 1, 2026, BTOT holds $29.10 M in assets under management (AUM), while NUAG manages $97.79 M.
What sectors do the BTOT and NUAG ETFs invest in?
BTOT leans toward sectors like Sovereign and Finance. Meanwhile, NUAG focuses on Sovereign, Industrials and Finance.
What are the top holdings of the BTOT ETF and NUAG ETF?
BTOT top holdings include BlackRock Cash Funds - Institutional, US31418EB825 and FR SD8212, 2.5% 1may2052, USD (ABS). NUAG holds in its top three: USA, Notes 3.875% 31mar2028, USD (AZ-2028), USA, Notes 3.5% 31jan2028, USD (U-2028) and USA, Notes 4.25% 31jan2030, USD (U-2030).
Which ETF is more diversified: BTOT or NUAG?
BTOT holds 1055 securities with 19.36% of its assets in the top 15. NUAG has 1302 securities and a top 15 weight of 23.03%.
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