BNDvsSPABETF Comparison

ETF 1

BND

Vanguard Total Bond Market ETF

This fund is part of

US Aggregate Bonds

-0.14%

Full BND fund page

ETF 2

SPAB

State Street SPDR Portfolio Aggregate Bond ETF

This fund is part of

US Aggregate Bonds

-0.14%

Full SPAB fund page

Vanguard Total Bond Market ETF (BND) and State Street SPDR Portfolio Aggregate Bond ETF (SPAB) belong to the same industry segment: US Aggregate Bonds. Both ETFs have the same top 3 sector exposures: Sovereign, Finance and Industrials. Both BND and SPAB have the same Total Expense Ratio (TER) of 0.03%. BND is down -1.32% year-to-date (YTD) with +$26.43B in YTD flows. SPAB performs better with -1.06% YTD performance, and +$1.44B in YTD flows. Run a side-by-side ETF comparison of BND 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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BND vs SPAB performance and flow charts

Performance

Cumulative Flows

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Data Services

Historic performance and flows

Data as of 10/28/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	BND SPAB	+1.64%+1.67%	-0.97%-1.04%	-1.32%-1.06%	-1.69%-1.43%	+15.93%+16.45%	-1.90%-1.42%
Flows	BND SPAB	+$3.11B+$364M	+$8.10B+$739M	+$26.43B+$1.44B	+$31.14B+$1.91B	+$70.31B+$3.26B	+$100.48B+$5.08B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	BND SPAB	+4.51%+4.65%	+3.87%+3.96%	+4.78%+4.93%	+5.85%+5.99%
Max drawdown	BND SPAB	-3.20%-3.30%	-4.85%-4.68%	-4.85%-4.87%	-17.62%-17.44%
Max drawdown duration	BND SPAB	64d64d	241d241d	241d284d	1564d1556d

Trading data

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	BND	SPAB
Last sale 10/29/2026 at 2:29 PM	$71.39	$24.78
Previous close 10/28/2026	$71.19	$24.71
Consolidated volume 10/28/2026
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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	BND	SPAB
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/29/2026 at 2:29 PM

Live

Closed

	BND	SPAB
Last price	$71.39	$24.78
1D performance	+0.28%	+0.28%
AuM	$166.24 B	$10.34 B
E/R	0.03%	0.03%

Characteristics

	BND	SPAB
Management strategy	Passive	Passive
Provider	Vanguard	State Street Investment Management
Benchmark	Bloomberg U.S. Aggregate Float Adjusted Index	Bloomberg US Aggregate Bond Index
N° of holdings	9485	6931
Asset class	Bonds	Bonds
Trailing 12m distribution yield	Join	Join
Inception date	April 3, 2007	May 23, 2007
ESG	No	No

More BND data on Trackinsight

More SPAB data on Trackinsight

Exposure

Countries

BND

USA

76.02%

Other

23.98%

SPAB

USA

74.49%

Other

25.51%

Sectors

BND

Sovereign

48.07%

Finance

10.83%

Industrials

7.38%

Other

33.72%

SPAB

Sovereign

45.89%

Finance

10.21%

Industrials

9.47%

Other

34.43%

Diversification

BND

Total weight of top 15 holdings out of 15

5.83%

SPAB

Total weight of top 15 holdings out of 15

6.59%

Top 15 holdings

Data as of August 31, 2026

BND

USA, Notes 3.5% 31jan2028, USD (U-2028)

0.47%

USA, Notes 4.25% 15nov2034, USD (F-2034)

0.41%

USA, Notes 4.375% 15may2034, USD (C-2034)

0.41%

USA, Notes 3.375% 30nov2027, USD (BL-2027)

0.41%

USA, Notes 4.625% 15feb2035, USD (B-2035)

0.41%

USA, Notes 3.875% 15aug2034, USD (E-2034)

0.41%

USA, Notes 4% 15feb2034, USD (B-2034)

0.40%

USA, Notes 4.125% 15feb2036, USD (B-2036)

0.40%

USA, Notes 4.25% 15aug2035, USD (E-2035)

0.38%

USA, Notes 4.5% 15nov2033, USD (F-2033)

0.38%

USA, Notes 4.25% 15may2035, USD (C-2035)

0.36%

USA, Notes 3.875% 15aug2033, USD (E-2033)

0.35%

USA, Notes 4% 28feb2030, USD (H-2030)

0.35%

USA, Notes 2.875% 15may2032, USD (C-2032)

0.35%

USA, Notes 1.25% 15aug2031, USD (E-2031)

0.34%

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 BND and SPAB

How have the BND and SPAB ETFs performed in 2026?

As of October 28, 2026, BND is down -1.32% year-to-date (YTD), while SPAB has lost -1.06%. That puts SPAB better performer ahead so far this year.

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

Year-to-date, the BND ETF saw +$26.43B in flows, compared to +$1.44B for SPAB.

Which ETF is more volatile: BND or SPAB?

Over the past year, BND had a volatility of 3.87%, while SPAB experienced 3.96%.

Which ETF is bigger: BND or SPAB?

As of October 28, 2026, BND holds $166.24 B in assets under management (AUM), while SPAB manages $10.34 B.

What sectors do the BND and SPAB ETFs invest in?

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

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

BND top holdings include USA, Notes 3.5% 31jan2028, USD (U-2028), USA, Notes 4.25% 15nov2034, USD (F-2034) and USA, Notes 4.375% 15may2034, USD (C-2034). SPAB holds in its top three: USA, Notes 3.5% 15dec2028, USD (AV-2028), US91282CRJ26 and USA, Notes 3.625% 31dec2030, USD (AH-2030).

BNDvsSPABETF Comparison

Vanguard Total Bond Market ETF

State Street SPDR Portfolio Aggregate Bond ETF

BND 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 BND and SPAB ETFs performed in 2026?

As of October 28, 2026, BND is down -1.32% year-to-date (YTD), while SPAB has lost -1.06%. That puts SPAB better performer ahead so far this year.

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

Year-to-date, the BND ETF saw +$26.43B in flows, compared to +$1.44B for SPAB.

Which ETF is more volatile: BND or SPAB?

Over the past year, BND had a volatility of 3.87%, while SPAB experienced 3.96%.

Which ETF is bigger: BND or SPAB?

As of October 28, 2026, BND holds $166.24 B in assets under management (AUM), while SPAB manages $10.34 B.

What sectors do the BND and SPAB ETFs invest in?

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

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

BND top holdings include USA, Notes 3.5% 31jan2028, USD (U-2028), USA, Notes 4.25% 15nov2034, USD (F-2034) and USA, Notes 4.375% 15may2034, USD (C-2034). 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: BND or SPAB?

BND holds 15076 securities with 5.83% of its assets in the top 15. SPAB has 8475 securities and a top 15 weight of 6.59%.

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