NUBDvsSPABETF Comparison

ETF 1

NUBD

Nushares ESG U.S. Aggregate Bond ETF

This fund is part of

US Aggregate Bonds

+0.03%

Full NUBD fund page

ETF 2

SPAB

State Street SPDR Portfolio Aggregate Bond ETF

This fund is part of

US Aggregate Bonds

+0.03%

Full SPAB fund page

Nushares ESG U.S. Aggregate Bond ETF (NUBD) and State Street SPDR Portfolio Aggregate Bond ETF (SPAB) belong to the same industry segment: US Aggregate Bonds. NUBD's top 3 sector exposures are Sovereign, Industrials and Finance. In contrast, SPAB's top sector exposures are Sovereign, Finance and Industrials. NUBD is more expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.03% for SPAB. NUBD is down -1.67% year-to-date (YTD) with +$54M in YTD flows. SPAB performs better with -1.55% YTD performance, and +$1.57B in YTD flows. Run a side-by-side ETF comparison of NUBD and SPAB 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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NUBD vs SPAB performance and flow charts

Performance

Cumulative Flows

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Data Services

Historic performance and flows

Data as of 10/15/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	NUBD SPAB	-0.10%-0.06%	-1.81%-1.75%	-1.67%-1.55%	-1.52%-1.68%	+14.26%+14.97%	-2.39%-1.79%
Flows	NUBD SPAB	+$12M+$530M	+$47M+$858M	+$54M+$1.57B	+$91M+$2.03B	+$226M+$3.57B	+$285M+$5.17B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	NUBD SPAB	+4.31%+4.38%	+3.84%+3.86%	+4.91%+4.97%	+5.87%+5.98%
Max drawdown	NUBD SPAB	-3.25%-3.30%	-4.76%-4.68%	-4.84%-4.87%	-17.32%-17.44%
Max drawdown duration	NUBD SPAB	51d52d	228d229d	318d284d	1569d1556d

Trading data

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	NUBD	SPAB
Last sale 10/16/2026 at 1:30 PM	$21.32	$24.59
Previous close 10/15/2026	$21.35	$24.59
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

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	NUBD	SPAB
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/16/2026 at 1:30 PM

Live

Closed

	NUBD	SPAB
Last price	$21.32	$24.59
1D performance	-0.12%	+0.00%
AuM	$493.56 M	$10.42 B
E/R	0.15%	0.03%

Characteristics

	NUBD	SPAB
Management strategy	Passive	Passive
Provider	Nuveen	State Street Investment Management
Benchmark	Bloomberg MSCI US Agg ESG Select Index	Bloomberg US Aggregate Bond Index
N° of holdings	2193	6931
Asset class	Fixed Income	Bonds
Trailing 12m distribution yield	Join	Join
Inception date	September 29, 2017	May 23, 2007
ESG	Yes	No

More NUBD data on Trackinsight

More SPAB data on Trackinsight

Exposure

Countries

NUBD

USA

77.23%

Other

22.77%

SPAB

USA

74.49%

Other

25.51%

Sectors

NUBD

Sovereign

45.55%

Industrials

12.56%

Finance

10.85%

Other

31.04%

SPAB

Sovereign

45.89%

Finance

10.21%

Industrials

9.47%

Other

34.43%

Diversification

NUBD

Total weight of top 15 holdings out of 15

14.58%

SPAB

Total weight of top 15 holdings out of 15

6.59%

Top 15 holdings

Data as of August 31, 2026

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%

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%

Frequently asked questions about NUBD and SPAB

How have the NUBD and SPAB ETFs performed in 2026?

As of October 15, 2026, NUBD is down -1.67% year-to-date (YTD), while SPAB has lost -1.55%. That puts SPAB better performer ahead so far this year.

Which ETF is attracting more investor money: NUBD or SPAB?

Year-to-date, the NUBD ETF saw +$54M in flows, compared to +$1.57B for SPAB.

Which ETF is more volatile: NUBD or SPAB?

Over the past year, NUBD had a volatility of 3.84%, while SPAB experienced 3.86%.

Which ETF is bigger: NUBD or SPAB?

As of October 15, 2026, NUBD holds $493.56 M in assets under management (AUM), while SPAB manages $10.42 B.

What sectors do the NUBD and SPAB ETFs invest in?

NUBD leans toward sectors like Sovereign, Industrials and Finance. Meanwhile, SPAB focuses on Sovereign, Finance and Industrials.

What are the top holdings of the NUBD ETF and SPAB ETF?

NUBD top holdings include 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). SPAB holds in its top three: USA, Notes 3.5% 15dec2028, USD (AV-2028), US91282CRJ26 and USA, Notes 3.625% 31dec2030, USD (AH-2030).

NUBDvsSPABETF Comparison

Nushares ESG U.S. Aggregate Bond ETF

State Street SPDR Portfolio Aggregate Bond ETF

NUBD vs SPAB performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the NUBD and SPAB ETFs performed in 2026?

As of October 15, 2026, NUBD is down -1.67% year-to-date (YTD), while SPAB has lost -1.55%. That puts SPAB better performer ahead so far this year.

Which ETF is attracting more investor money: NUBD or SPAB?

Year-to-date, the NUBD ETF saw +$54M in flows, compared to +$1.57B for SPAB.

Which ETF is more volatile: NUBD or SPAB?

Over the past year, NUBD had a volatility of 3.84%, while SPAB experienced 3.86%.

Which ETF is bigger: NUBD or SPAB?

As of October 15, 2026, NUBD holds $493.56 M in assets under management (AUM), while SPAB manages $10.42 B.

What sectors do the NUBD and SPAB ETFs invest in?

NUBD leans toward sectors like Sovereign, Industrials and Finance. Meanwhile, SPAB focuses on Sovereign, Finance and Industrials.

What are the top holdings of the NUBD ETF and SPAB ETF?

NUBD top holdings include 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). SPAB holds in its top three: USA, Notes 3.5% 15dec2028, USD (AV-2028), US91282CRJ26 and USA, Notes 3.625% 31dec2030, USD (AH-2030).

Which ETF is more diversified: NUBD or SPAB?

NUBD holds 2504 securities with 14.58% of its assets in the top 15. SPAB has 8475 securities and a top 15 weight of 6.59%.

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