SPABvsNUBDETF Comparison
VS
State Street SPDR Portfolio Aggregate Bond ETF (SPAB) and Nushares ESG U.S. Aggregate Bond ETF (NUBD) belong to the same industry segment: US Aggregate Bonds. SPAB's top 3 sector exposures are Sovereign, Finance and Industrials. In contrast, NUBD's top sector exposures are Sovereign, Industrials and Finance. SPAB is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.15% for NUBD. SPAB is down -1.55% year-to-date (YTD) with +$1.57B in YTD flows. NUBD performs worse with -1.67% YTD performance, and +$54M in YTD flows. Run a side-by-side ETF comparison of SPAB and NUBD below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
Find out how industry players manage ETF portfolios. Discover our library of Model portfolios
SPAB vs NUBD performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SPAB NUBD | -0.06%-0.10% | -1.75%-1.81% | -1.55%-1.67% | -1.68%-1.52% | +14.97%+14.26% | -1.79%-2.39% |
| Flows | SPAB NUBD | +$530M+$12M | +$858M+$47M | +$1.57B+$54M | +$2.03B+$91M | +$3.57B+$226M | +$5.17B+$285M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SPAB NUBD | +4.38%+4.31% | +3.86%+3.84% | +4.97%+4.91% | +5.98%+5.87% |
| Max drawdown | SPAB NUBD | -3.30%-3.25% | -4.68%-4.76% | -4.87%-4.84% | -17.44%-17.32% |
| Max drawdown duration | SPAB NUBD | 52d51d | 229d228d | 284d318d | 1556d1569d |
Trading data
SPAB | NUBD | |
Last sale 10/16/2026 at 1:30 PM | $24.59 | $21.32 |
| Previous close 10/15/2026 | $24.59 | $21.35 |
| Consolidated volume 10/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
Create an account to view replication metrics
Join for free
SPAB | NUBD | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Advertisement
Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
SPAB | NUBD | |
|---|---|---|
| Last price | $24.59 | $21.32 |
| 1D performance | +0.00% | -0.12% |
| AuM | $10.42 B | $493.56 M |
| E/R | 0.03% | 0.15% |
Characteristics
SPAB | NUBD | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | Nuveen |
| Benchmark | Bloomberg US Aggregate Bond Index | Bloomberg MSCI US Agg ESG Select Index |
| N° of holdings | 6931 | 2193 |
| Asset class | Bonds | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 23, 2007 | September 29, 2017 |
| ESG | No | Yes |
Advertisement
Exposure
Countries
SPAB
USA
74.49%
Other
25.51%
NUBD
USA
77.23%
Other
22.77%
Sectors
SPAB
Sovereign
45.89%
Finance
10.21%
Industrials
9.47%
Other
34.43%
NUBD
Sovereign
45.55%
Industrials
12.56%
Finance
10.85%
Other
31.04%
Advertisement
Diversification
SPAB
Total weight of top 15 holdings out of 15
6.59%
NUBD
Total weight of top 15 holdings out of 15
14.58%
Top 15 holdings
Data as of August 31, 2026
SPAB
USA, Notes 3.5% 15dec2028, USD (AV-2028)
0.74%
US91282CRJ26
0.58%
USA, Notes 3.625% 31dec2030, USD (AH-2030)
0.55%
US01F0526982
0.50%
USA, Notes 3.375% 30nov2027, USD (BL-2027)
0.45%
USA, Notes 4.375% 30nov2028, USD (AG-2028)
0.41%
USA, Notes 3.5% 31jan2028, USD (U-2028)
0.41%
USA, Notes 3.875% 31mar2031, USD (W-2031)
0.40%
US01F0506927
0.38%
USA, Notes 3.375% 31dec2027, USD (BM-2027)
0.37%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.37%
USA, Notes 4.25% 15aug2035, USD (E-2035)
0.37%
USA, Notes 3.625% 30sep2031, USD (Q-2031)
0.36%
USA, Notes 4% 15feb2034, USD (B-2034)
0.35%
USA, Notes 4% 30jun2032, USD (M-2032)
0.35%
NUBD
USA, Notes 4.375% 31jul2031, USD (AB-2031)
1.75%
USA, Notes 3.625% 30sep2030, USD (AD-2030)
1.57%
USA, Notes 4.125% 31oct2029, USD (AF-2029)
1.03%
US31418D7F32
1.01%
USA, Notes 3.75% 31dec2028, USD (AH-2028)
0.96%
USA, Notes 3.875% 31jul2030, USD (AB-2030)
0.95%
USA, Notes 3.625% 31oct2030, USD (AF-2030)
0.93%
USA, Notes 3.625% 31aug2029, USD (AC-2029)
0.92%
USA, Bonds 5% 15may2046, USD
0.89%
USA, Notes 4.25% 28feb2029, USD (V-2029)
0.79%
USA, Notes 3.625% 31dec2030, USD (AH-2030)
0.76%
USA, Notes 4.625% 30sep2028, USD (AD-2028)
0.76%
USA, Notes 4.25% 31jul2028, USD (BE-2028)
0.75%
USA, Notes 3.875% 30apr2031, USD (Y-2031)
0.75%
USA, Notes 4.25% 30jun2029, USD (AA-2029)
0.75%
Frequently asked questions about SPAB and NUBD
How have the SPAB and NUBD ETFs performed in 2026?
As of October 16, 2026, SPAB is down -1.55% year-to-date (YTD), while NUBD has lost -1.67%. That puts SPAB better performer ahead so far this year.
Which ETF is attracting more investor money: SPAB or NUBD?
Year-to-date, the SPAB ETF saw +$1.57B in flows, compared to +$54M for NUBD.
Which ETF is more volatile: SPAB or NUBD?
Over the past year, SPAB had a volatility of 3.86%, while NUBD experienced 3.84%.
Which ETF is bigger: SPAB or NUBD?
As of October 16, 2026, SPAB holds $10.42 B in assets under management (AUM), while NUBD manages $493.56 M.
What sectors do the SPAB and NUBD ETFs invest in?
SPAB leans toward sectors like Sovereign, Finance and Industrials. Meanwhile, NUBD focuses on Sovereign, Industrials and Finance.
What are the top holdings of the SPAB ETF and NUBD ETF?
SPAB top holdings include USA, Notes 3.5% 15dec2028, USD (AV-2028), US91282CRJ26 and USA, Notes 3.625% 31dec2030, USD (AH-2030). NUBD holds in its top three: USA, Notes 4.375% 31jul2031, USD (AB-2031), USA, Notes 3.625% 30sep2030, USD (AD-2030) and USA, Notes 4.125% 31oct2029, USD (AF-2029).
Which ETF is more diversified: SPAB or NUBD?
SPAB holds 8475 securities with 6.59% of its assets in the top 15. NUBD has 2504 securities and a top 15 weight of 14.58%.
Advertisement
Advertisement
