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GTOvsSPMBETF Comparison

ETF 1

GTO

Invesco Total Return Bond ETF

This fund is part of

Money Market Bonds

+0.02%

Full GTO fund page

VS

ETF 2

SPMB

State Street State Street SPDR Portfolio Mortgage Backed Bond ETF

This fund is part of

MBS & ABS

-0.1%

Full SPMB fund page

Invesco Total Return Bond ETF (GTO) belongs to the Money Market Bonds segment. State Street State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) is part of the MBS & ABS segment. GTO's top 3 sector exposures are Finance, Sovereign and Industrials. In contrast, SPMB's top sector exposures are Industrials, Finance and Government Agencies. GTO is more expensive with a Total Expense Ratio (TER) of 0.35%, versus 0.04% for SPMB. GTO is down -3.87% year-to-date (YTD) with +$673M in YTD flows. SPMB performs better with -1.08% YTD performance, and +$572M in YTD flows. Run a side-by-side ETF comparison of GTO and SPMB 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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GTO vs SPMB performance and flow charts

Performance

Cumulative Flows

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 10/23/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	GTO SPMB	+0.32%+1.07%	-1.33%-0.69%	-3.87%-1.08%	-3.77%-0.73%	+15.33%+19.48%	-4.21%+0.34%
Flows	GTO SPMB	+$114M-$106M	+$214M+$115M	+$673M+$572M	+$761M+$788M	+$1.62B+$2.46B	+$1.87B+$3.58B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	GTO SPMB	+4.43%+6.02%	+3.92%+4.74%	+4.74%+5.79%	+5.41%+6.79%
Max drawdown	GTO SPMB	-3.65%-4.41%	-6.36%-5.57%	-6.36%-5.57%	-19.94%-17.04%
Max drawdown duration	GTO SPMB	65d59d	248d236d	248d236d	1809d1436d

Trading data

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	GTO	SPMB
Last sale 10/26/2026 at 1:30 PM	$45.08	$21.58
Previous close 10/23/2026	$45.03	$21.54
Consolidated volume 10/23/2026
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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GTO

is actively managed and doesn’t replicate an index

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	GTO	SPMB
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/26/2026 at 1:30 PM

Live

Closed

	GTO	SPMB
Last price	$45.08	$21.58
1D performance	+0.11%	+0.19%
AuM	$2.57 B	$6.94 B
E/R	0.35%	0.04%

Characteristics

	GTO	SPMB
Management strategy	Active	Passive
Provider	Invesco	State Street Investment Management
Benchmark	-	Bloomberg U.S. MBS Index
N° of holdings	2245	566
Asset class	-	Bonds
Trailing 12m distribution yield	Join	Join
Inception date	February 10, 2016	January 15, 2009
ESG	No	No

More GTO data on Trackinsight

More SPMB data on Trackinsight

Exposure

Countries

GTO

USA

30.77%

Other

69.23%

SPMB

USA

32.14%

Other

67.86%

Sectors

GTO

Finance

11.93%

Sovereign

10.76%

Industrials

7.26%

Other

70.05%

SPMB

Industrials

31.8%

Other

68.2%

Diversification

GTO

Total weight of top 15 holdings out of 15

28.22%

SPMB

Total weight of top 15 holdings out of 15

9.79%

Top 15 holdings

Data as of August 31, 2026

GTO

US91282CRF04

5.23%

USA, Bonds 5% 15may2056, USD

3.57%

US21H0226975

3.11%

USA, Notes 4.375% 31jul2031, USD (AB-2031)

2.95%

US21H0206910

1.78%

US01F0306948

1.64%

US91282CRG86

1.53%

US01F0526982

1.40%

US01F0326904

1.24%

US01F0506927

1.20%

US01F0406938

1.07%

USA, Notes 4.375% 31jul2033, USD (N-2033)

0.97%

US912810UX45

0.86%

USA, Notes 4.25% 31jul2028, USD (BE-2028)

0.84%

US21H0306900

0.83%

SPMB

US01F0526982

1.22%

US3142J6C840

1.13%

US01F0506927

0.95%

FN MA4547, 2% 1feb2052, USD (ABS)

0.76%

US3142J6BK85

0.73%

FR SD8212, 2.5% 1may2052, USD (ABS)

0.59%

US01F0606917

0.58%

US21H0526945

0.53%

US3132DWMY65

0.53%

G2 MB0424, 5.5% 20jun2055, USD (ABS)

0.52%

FN MA4701, 4.5% 1aug2052, USD (ABS)

0.49%

FN FA0608, 5.5% 1feb2055, USD (ABS)

0.47%

FN MA4465, 2% 1nov2051, USD (ABS)

0.45%

FR SD8193, 2% 1feb2052, USD (ABS)

0.43%

FN FS2040, 2% 1feb2052, USD (ABS)

0.43%

Frequently asked questions about GTO and SPMB

How have the GTO and SPMB ETFs performed in 2026?

As of October 23, 2026, GTO is down -3.87% year-to-date (YTD), while SPMB has lost -1.08%. That puts SPMB better performer ahead so far this year.

Which ETF is attracting more investor money: GTO or SPMB?

Year-to-date, the GTO ETF saw +$673M in flows, compared to +$572M for SPMB.

Which ETF is more volatile: GTO or SPMB?

Over the past year, GTO had a volatility of 3.92%, while SPMB experienced 4.74%.

Which ETF is bigger: GTO or SPMB?

As of October 23, 2026, GTO holds $2.57 B in assets under management (AUM), while SPMB manages $6.94 B.

What sectors do the GTO and SPMB ETFs invest in?

GTO leans toward sectors like Finance, Sovereign and Industrials. Meanwhile, SPMB focuses on Industrials.

What are the top holdings of the GTO ETF and SPMB ETF?

GTO top holdings include US91282CRF04, USA, Bonds 5% 15may2056, USD and US21H0226975. SPMB holds in its top three: US01F0526982, US3142J6C840 and US01F0506927.

GTOvsSPMBETF Comparison

Invesco Total Return Bond ETF

State Street State Street SPDR Portfolio Mortgage Backed Bond ETF

GTO vs SPMB 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 GTO and SPMB ETFs performed in 2026?

As of October 23, 2026, GTO is down -3.87% year-to-date (YTD), while SPMB has lost -1.08%. That puts SPMB better performer ahead so far this year.

Which ETF is attracting more investor money: GTO or SPMB?

Year-to-date, the GTO ETF saw +$673M in flows, compared to +$572M for SPMB.

Which ETF is more volatile: GTO or SPMB?

Over the past year, GTO had a volatility of 3.92%, while SPMB experienced 4.74%.

Which ETF is bigger: GTO or SPMB?

As of October 23, 2026, GTO holds $2.57 B in assets under management (AUM), while SPMB manages $6.94 B.

What sectors do the GTO and SPMB ETFs invest in?

GTO leans toward sectors like Finance, Sovereign and Industrials. Meanwhile, SPMB focuses on Industrials.

What are the top holdings of the GTO ETF and SPMB ETF?

GTO top holdings include US91282CRF04, USA, Bonds 5% 15may2056, USD and US21H0226975. SPMB holds in its top three: US01F0526982, US3142J6C840 and US01F0506927.

Which ETF is more diversified: GTO or SPMB?

GTO holds 2660 securities with 28.22% of its assets in the top 15. SPMB has 2738 securities and a top 15 weight of 9.79%.

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