SPTBvsVGLTETF Comparison

ETF 1

SPTB

State Street SPDR Portfolio Treasury ETF

This fund is part of

US Government Bonds

-0.09%

Full SPTB fund page

ETF 2

VGLT

Vanguard Long-Term Treasury ETF

This fund is part of

US Government Bonds

-0.09%

Full VGLT fund page

State Street SPDR Portfolio Treasury ETF (SPTB) and Vanguard Long-Term Treasury ETF (VGLT) belong to the same industry segment: US Government Bonds. Both ETFs have the same top 1 sector exposures: Sovereign. Both SPTB and VGLT have the same Total Expense Ratio (TER) of 0.03%. SPTB is down -0.43% year-to-date (YTD) with +$337M in YTD flows. VGLT performs worse with -2.98% YTD performance, and +$946M in YTD flows. Run a side-by-side ETF comparison of SPTB and VGLT 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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SPTB vs VGLT performance and flow charts

Performance

Cumulative Flows

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Data Services

Historic performance and flows

Data as of 08/31/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	SPTB VGLT	+0.30%+0.84%	-0.46%-2.24%	-0.43%-2.98%	+1.43%+0.45%	n/a-0.05%	n/a-30.22%
Flows	SPTB VGLT	+$193M+$262M	+$214M+$604M	+$337M+$946M	+$395M+$1.14B	-+$4.27B	-+$11.00B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	SPTB VGLT	+3.62%+8.90%	+3.48%+8.63%	n/a+12.18%	n/a+14.38%
Max drawdown	SPTB VGLT	-1.52%-5.38%	-2.90%-7.71%	n/a-13.37%	n/a-41.00%
Max drawdown duration	SPTB VGLT	63d63d	183d183d	n/a714d	n/a1730d

Trading data

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	SPTB	VGLT
Last sale 9/1/2026 at 1:30 PM	$29.44	$52.56
Previous close 08/31/2026	$29.59	$52.98
Consolidated volume 08/31/2026
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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	SPTB	VGLT
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 9/1/2026 at 1:30 PM

Live

Closed

	SPTB	VGLT
Last price	$29.44	$52.56
1D performance	-0.52%	-0.79%
AuM	$479.49 M	$10.56 B
E/R	0.03%	0.03%

Characteristics

	SPTB	VGLT
Management strategy	Passive	Passive
Provider	State Street Investment Management	Vanguard
Benchmark	Bloomberg US Treasury Index	Bloomberg US Long Treasury Index
N° of holdings	285	99
Asset class	Bonds	Bonds
Trailing 12m distribution yield	Join	Join
Inception date	May 20, 2024	November 19, 2009
ESG	No	No

More SPTB data on Trackinsight

More VGLT data on Trackinsight

Exposure

Countries

SPTB

USA

98.65%

Other

1.35%

VGLT

USA

99.97%

Other

0.03%

Sectors

SPTB

Sovereign

98.65%

Other

1.35%

VGLT

Sovereign

99.97%

Other

0.03%

Diversification

SPTB

Total weight of top 15 holdings out of 15

11.21%

VGLT

Total weight of top 15 holdings out of 15

29.82%

Top 15 holdings

Data as of July 31, 2026

SPTB

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

0.85%

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

0.80%

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

0.79%

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

0.79%

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

0.77%

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

0.76%

USA, Notes 4.375% 15may2036, USD (C-2036)

0.75%

USA, Notes 3.5% 15feb2033, USD (B-2033)

0.75%

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

0.74%

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

0.72%

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

0.72%

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

0.71%

USA, Notes 4% 15nov2035, USD (F-2035)

0.70%

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

0.68%

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

0.68%

VGLT

USA, Bonds 5% 15may2056, USD

2.22%

USA, Bonds 4.75% 15may2055, USD

2.20%

USA, Bonds 4.75% 15aug2055, USD

2.20%

USA, Bonds 4.625% 15feb2055, USD

2.15%

USA, Bonds 4.625% 15nov2055, USD

2.14%

USA, Bonds 4.75% 15feb2056, USD

2.13%

USA, Bonds 4.75% 15nov2053, USD

2.12%

USA, Bonds 4.625% 15may2054, USD

2.08%

USA, Bonds 4.5% 15nov2054, USD

2.04%

USA, Bonds 4.25% 15feb2054, USD

2.03%

USA, Bonds 4.25% 15aug2054, USD

2.00%

USA, Bonds 4.125% 15aug2053, USD

1.83%

USA, Bonds 4% 15nov2052, USD

1.62%

USA, Bonds 1.75% 15aug2041, USD

1.55%

USA, Bonds 3.625% 15feb2053, USD

1.50%

Frequently asked questions about SPTB and VGLT

How have the SPTB and VGLT ETFs performed in 2026?

As of August 31, 2026, SPTB is down -0.43% year-to-date (YTD), while VGLT has lost -2.98%. That puts SPTB better performer ahead so far this year.

Which ETF is attracting more investor money: SPTB or VGLT?

Year-to-date, the SPTB ETF saw +$337M in flows, compared to +$946M for VGLT.

Which ETF is more volatile: SPTB or VGLT?

Over the past year, SPTB had a volatility of 3.48%, while VGLT experienced 8.63%.

Which ETF is bigger: SPTB or VGLT?

As of August 31, 2026, SPTB holds $479.49 M in assets under management (AUM), while VGLT manages $10.56 B.

What sectors do the SPTB and VGLT ETFs invest in?

SPTB leans toward sectors like Sovereign. Meanwhile, VGLT focuses on Sovereign.

What are the top holdings of the SPTB ETF and VGLT ETF?

SPTB top holdings include USA, Notes 4.625% 15feb2035, USD (B-2035), USA, Notes 4% 15feb2034, USD (B-2034) and USA, Notes 4.125% 15feb2036, USD (B-2036). VGLT holds in its top three: USA, Bonds 5% 15may2056, USD, USA, Bonds 4.75% 15may2055, USD and USA, Bonds 4.75% 15aug2055, USD.

SPTBvsVGLTETF Comparison

State Street SPDR Portfolio Treasury ETF

Vanguard Long-Term Treasury ETF

SPTB vs VGLT 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 SPTB and VGLT ETFs performed in 2026?

As of August 31, 2026, SPTB is down -0.43% year-to-date (YTD), while VGLT has lost -2.98%. That puts SPTB better performer ahead so far this year.

Which ETF is attracting more investor money: SPTB or VGLT?

Year-to-date, the SPTB ETF saw +$337M in flows, compared to +$946M for VGLT.

Which ETF is more volatile: SPTB or VGLT?

Over the past year, SPTB had a volatility of 3.48%, while VGLT experienced 8.63%.

Which ETF is bigger: SPTB or VGLT?

As of August 31, 2026, SPTB holds $479.49 M in assets under management (AUM), while VGLT manages $10.56 B.

What sectors do the SPTB and VGLT ETFs invest in?

SPTB leans toward sectors like Sovereign. Meanwhile, VGLT focuses on Sovereign.

What are the top holdings of the SPTB ETF and VGLT ETF?

SPTB top holdings include USA, Notes 4.625% 15feb2035, USD (B-2035), USA, Notes 4% 15feb2034, USD (B-2034) and USA, Notes 4.125% 15feb2036, USD (B-2036). VGLT holds in its top three: USA, Bonds 5% 15may2056, USD, USA, Bonds 4.75% 15may2055, USD and USA, Bonds 4.75% 15aug2055, USD.

Which ETF is more diversified: SPTB or VGLT?

SPTB holds 285 securities with 11.21% of its assets in the top 15. VGLT has 99 securities and a top 15 weight of 29.82%.

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