ZROZvsGOVTETF Comparison

ETF 1

ZROZ

PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF

This fund is part of

US Government Bonds

-0.02%

Full ZROZ fund page

ETF 2

GOVT

iShares U.S. Treasury Bond ETF

This fund is part of

US Government Bonds

-0.02%

Full GOVT fund page

PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF (ZROZ) and iShares U.S. Treasury Bond ETF (GOVT) belong to the same industry segment: US Government Bonds. ZROZ's top 1 sector exposures are Sovereign. In contrast, GOVT's top sector exposures are Sovereign and Non-Corporate. ZROZ is more expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.05% for GOVT. ZROZ is down -6.14% year-to-date (YTD) with +$371M in YTD flows. GOVT performs better with -0.81% YTD performance, and +$10.81B in YTD flows. Run a side-by-side ETF comparison of ZROZ and GOVT 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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ZROZ vs GOVT performance and flow charts

Performance

Cumulative Flows

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Data Services

Historic performance and flows

Data as of 10/27/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	ZROZ GOVT	+6.55%+1.73%	-2.84%-0.42%	-6.14%-0.81%	-13.57%-1.19%	+0.36%+12.82%	-53.60%-3.55%
Flows	ZROZ GOVT	+$24M+$831M	+$507M-$390M	+$371M+$10.81B	+$315M+$12.19B	+$1.08B+$20.26B	+$2.15B+$31.34B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	ZROZ GOVT	+19.75%+4.13%	+16.11%+3.65%	+20.73%+4.64%	+23.76%+5.68%
Max drawdown	ZROZ GOVT	-13.46%-2.85%	-22.75%-4.44%	-33.12%-4.87%	-61.27%-16.15%
Max drawdown duration	ZROZ GOVT	91d63d	364d240d	771d318d	1787d1787d

Trading data

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	ZROZ	GOVT
Last sale 10/28/2026 at 1:36 PM	$58.90	$22.20
Previous close 10/27/2026	$58.77	$22.21
Consolidated volume 10/27/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of October 28, 2026

1-year trailing difference

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	ZROZ	GOVT
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/28/2026 at 1:36 PM

Live

Closed

	ZROZ	GOVT
Last price	$58.90	$22.20
1D performance	+0.21%	-0.05%
AuM	$1.84 B	$42.83 B
E/R	0.15%	0.05%

Characteristics

	ZROZ	GOVT
Management strategy	Passive	Passive
Provider	PIMCO	iShares
Benchmark	ICE BofA Long US Treasury Principal STRIPS Index	ICE US Treasury Core Bond Index
N° of holdings	21	218
Asset class	Bonds	Bonds
Trailing 12m distribution yield	Join	Join
Inception date	October 30, 2009	February 14, 2012
ESG	No	No

More ZROZ data on Trackinsight

More GOVT data on Trackinsight

Exposure

Countries

ZROZ

USA

95.56%

Other

4.44%

GOVT

USA

99.58%

Other

0.42%

Sectors

ZROZ

Sovereign

95.56%

Other

4.44%

GOVT

Sovereign

98.85%

Other

1.15%

Diversification

ZROZ

Total weight of top 15 holdings out of 15

78.28%

GOVT

Total weight of top 15 holdings out of 15

26.71%

Top 15 holdings

Data as of August 31, 2026

ZROZ

USA, STRIPS 0% 15feb2052, USD (10957D)

5.67%

USA, STRIPS 0% 15may2052, USD (10958D)

5.52%

USA, STRIPS 0% 15nov2051, USD (10957D)

5.42%

USA, STRIPS 0% 15aug2052, USD (10958D)

5.37%

USA, STRIPS 0% 15feb2053, USD (10958D)

5.35%

USA, STRIPS 0% 15nov2052, USD (10958D)

5.32%

USA, STRIPS 0% 15nov2053, USD (10958D)

5.32%

USA, STRIPS 0% 15aug2051, USD (10956D)

5.25%

USA, STRIPS 0% 15aug2053, USD (10958D)

5.23%

USA, STRIPS 0% 15may2053, USD (10958D)

5.23%

USA, STRIPS 0% 15feb2055, USD (10954D)

5.09%

USA, STRIPS 0% 15feb2056, USD (10955D)

4.99%

USA, STRIPS 0% 15nov2054, USD (10957D)

4.94%

USA, STRIPS 0% 15may2054, USD (10957D)

4.85%

USA, STRIPS 0% 15aug2055, USD (10957D)

4.73%

GOVT

USA, Notes 1.375% 15nov2031, USD (F-2031)

5.28%

USA, Notes 2.625% 15feb2029, USD (B-2029)

2.96%

USA, Notes 3.125% 15nov2028, USD (F-2028)

2.10%

USA, Notes 2.75% 15feb2028, USD (B-2028)

1.93%

USA, Notes 2.875% 15may2028, USD (C-2028)

1.63%

USA, Bonds 2.5% 15may2046, USD

1.51%

USA, Bonds 2.75% 15nov2042, USD

1.49%

USA, Bonds 6.125% 15nov2027, USD

1.40%

USA, Bonds 3.75% 15nov2043, USD

1.39%

USA, Notes 2.25% 15nov2027, USD (F-2027)

1.37%

USA, Bonds 1.875% 15feb2051, USD

1.34%

USA, Notes 4% 31may2028, USD (BC-2028)

1.21%

USA, Notes 2.375% 15may2029, USD (C-2029)

1.08%

USA, Notes 4% 31may2030, USD (Z-2030)

1.02%

USA, Notes 3.875% 31mar2028, USD (AZ-2028)

0.99%

Frequently asked questions about ZROZ and GOVT

How have the ZROZ and GOVT ETFs performed in 2026?

As of October 27, 2026, ZROZ is down -6.14% year-to-date (YTD), while GOVT has lost -0.81%. That puts GOVT better performer ahead so far this year.

Which ETF is attracting more investor money: ZROZ or GOVT?

Year-to-date, the ZROZ ETF saw +$371M in flows, compared to +$10.81B for GOVT.

Which ETF is more volatile: ZROZ or GOVT?

Over the past year, ZROZ had a volatility of 16.11%, while GOVT experienced 3.65%.

Which ETF is bigger: ZROZ or GOVT?

As of October 27, 2026, ZROZ holds $1.84 B in assets under management (AUM), while GOVT manages $42.83 B.

What sectors do the ZROZ and GOVT ETFs invest in?

ZROZ leans toward sectors like Sovereign. Meanwhile, GOVT focuses on Sovereign.

What are the top holdings of the ZROZ ETF and GOVT ETF?

ZROZ top holdings include USA, STRIPS 0% 15feb2052, USD (10957D), USA, STRIPS 0% 15may2052, USD (10958D) and USA, STRIPS 0% 15nov2051, USD (10957D). GOVT holds in its top three: USA, Notes 1.375% 15nov2031, USD (F-2031), USA, Notes 2.625% 15feb2029, USD (B-2029) and USA, Notes 3.125% 15nov2028, USD (F-2028).

ZROZvsGOVTETF Comparison

PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF

iShares U.S. Treasury Bond ETF

ZROZ vs GOVT 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 ZROZ and GOVT ETFs performed in 2026?

As of October 27, 2026, ZROZ is down -6.14% year-to-date (YTD), while GOVT has lost -0.81%. That puts GOVT better performer ahead so far this year.

Which ETF is attracting more investor money: ZROZ or GOVT?

Year-to-date, the ZROZ ETF saw +$371M in flows, compared to +$10.81B for GOVT.

Which ETF is more volatile: ZROZ or GOVT?

Over the past year, ZROZ had a volatility of 16.11%, while GOVT experienced 3.65%.

Which ETF is bigger: ZROZ or GOVT?

As of October 27, 2026, ZROZ holds $1.84 B in assets under management (AUM), while GOVT manages $42.83 B.

What sectors do the ZROZ and GOVT ETFs invest in?

ZROZ leans toward sectors like Sovereign. Meanwhile, GOVT focuses on Sovereign.

What are the top holdings of the ZROZ ETF and GOVT ETF?

Which ETF is more diversified: ZROZ or GOVT?

ZROZ holds 21 securities with 78.28% of its assets in the top 15. GOVT has 219 securities and a top 15 weight of 26.71%.

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