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IGOVvsBWZETF Comparison

ETF 1
IGOV

iShares International Treasury Bond ETF

This fund is part of
Intl Government Bonds
-0.16%
VS
ETF 2
BWZ

State Street SPDR Bloomberg Short Term International Treasury Bond ETF

This fund is part of
Intl Government Bonds
-0.16%

iShares International Treasury Bond ETF (IGOV) and State Street SPDR Bloomberg Short Term International Treasury Bond ETF (BWZ) belong to the same industry segment: Intl Government Bonds. IGOV's top 2 sector exposures are Sovereign and Non-Corporate. In contrast, BWZ's top sector exposures are Sovereign. Both IGOV and BWZ have the same Total Expense Ratio (TER) of 0.35%. IGOV is down -4.06% year-to-date (YTD) with +$374M in YTD flows. BWZ performs better with -1.48% YTD performance, and -$39M in YTD flows. Run a side-by-side ETF comparison of IGOV and BWZ 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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IGOV vs BWZ performance and flow charts

Performance

-1.0-0.50.00.51.0%Sep 28Oct 5Oct 12Oct 19Oct 26

Cumulative Flows

-20 M-10 M0 M10 M20 MSep 28Oct 5Oct 12Oct 19Oct 26

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Historic performance and flows
Data as of 10/28/2026
1M3MYTD1Y3Y5Y
Perf.
IGOV
BWZ
+0.50%-0.45%
-1.42%+0.26%
-4.06%-1.48%
-4.71%-1.23%
+10.50%+9.74%
-20.42%-7.00%
Flows
IGOV
BWZ
-$12M-$21M
-$192M+$36M
+$374M-$39M
+$332M-$80M
+$184M+$131M
+$429M+$124M
Volatility and drawdown
3M1Y3Y5Y
Volatility
IGOV
BWZ
+6.41%+5.26%
+7.12%+5.53%
+8.08%+6.16%
+9.16%+6.70%
Max drawdown
IGOV
BWZ
-4.92%-3.56%
-7.83%-4.23%
-10.40%-8.32%
-30.82%-20.41%
Max drawdown duration
IGOV
BWZ
64d49d
241d258d
200d194d
1814d1826d
Trading data

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IGOV
BWZ
Last sale
10/28/2026 at 1:30 PM
$40.08
$26.69
Previous close
10/28/2026
$40.10
$26.64
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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IGOV
BWZ
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
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Main metrics
Last update 10/28/2026 at 1:30 PM
Live
Closed
IGOV
BWZ
Last price
$40.08
$26.69
1D performance
-0.05%
+0.19%
AuM$1.30 B$297.67 M
E/R0.35%0.35%
Characteristics
IGOV
BWZ
Management strategyPassivePassive
ProvideriSharesState Street Investment Management
BenchmarkFTSE World Government Bond Index - Developed Markets Capped Select IndexBloomberg 1-3 Year Global Treasury ex-US Capped Index
N° of holdings957259
Asset classFixed IncomeBonds
Trailing 12m distribution yield
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Inception dateJanuary 21, 2009January 15, 2009
ESGNoNo
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Exposure

Countries

IGOV
Japan
11.16%
France
8.8%
Italy
7.78%
United Kingdom
7.12%
Other
65.13%
BWZ
Japan
22.94%
Other
77.06%

Sectors

IGOV
Sovereign
99.6%
Other
0.4%
BWZ
Sovereign
98.55%
Other
1.45%
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Diversification

IGOV

Total weight of top 15 holdings out of 15

5.27%
BWZ

Total weight of top 15 holdings out of 15

16.01%

Top 15 holdings

Data as of August 31, 2026
IGOV
Denmark, DGB 4.5% 15nov2039, DKK
0.46%
Portugal, OT 2.125% 17oct2028, EUR
0.45%
Slovakia, GB 3.75% 6mar2034, EUR
0.38%
France, OAT 3.5% 25nov2033, EUR
0.37%
United Kingdom, Gilt 4.5% 7mar2035, GBP
0.37%
Portugal, OT 1.95% 15jun2029, EUR
0.37%
France, OAT 2.5% 25may2030, EUR
0.35%
Israel, SHAHAR 5.5% 31jan2042, ILS
0.34%
Portugal, OT 4.1% 15apr2037, EUR
0.32%
Japan, JGB 2.4% 20mar2036, JPY
0.32%
France, OAT 0.75% 25feb2028, EUR
0.31%
France, OAT 1.5% 25may2031, EUR
0.31%
Finland, Bonds 3% 15sep2035, EUR
0.31%
Israel, ILGOV 4% 30mar2035, ILS
0.30%
New Zealand, NZGB 3% 20apr2029, NZD
0.30%
BWZ
Belgium, OLO 5.5% 28mar2028, EUR (31)
1.78%
Australia, TB 2.75% 21nov2028, AUD (TB152)
1.24%
Australia, TB 3.25% 21apr2029, AUD (TB138)
1.21%
Japan, JGB 0.1% 20mar2028, JPY
1.19%
Netherlands, DSL 5.5% 15jan2028, EUR
1.14%
Mexico, Bonos 8.5% 1mar2029, MXN
1.01%
Australia, TB 2.25% 21may2028, AUD (TB149)
1.00%
Australia, TB 2.75% 21nov2027, AUD (TB148)
0.97%
United Kingdom, Gilt 4.375% 7mar2028, GBP
0.96%
France, OAT 2.75% 25feb2029, EUR
0.93%
Japan, JGB 0.1% 20jun2028, JPY
0.93%
Japan, JGB 0.1% 20sep2027, JPY
0.92%
Japan, JGB 0.1% 20dec2027, JPY
0.92%
Japan, JGB 0.1% 20sep2027, JPY
0.91%
Japan, JGB 0.1% 20sep2028, JPY
0.90%
Frequently asked questions about IGOV and BWZ

How have the IGOV and BWZ ETFs performed in 2026?

As of October 28, 2026, IGOV is down -4.06% year-to-date (YTD), while BWZ has lost -1.48%. That puts BWZ better performer ahead so far this year.

Which ETF is attracting more investor money: IGOV or BWZ?

Year-to-date, the IGOV ETF saw +$374M in flows, compared to -$39M for BWZ.

Which ETF is more volatile: IGOV or BWZ?

Over the past year, IGOV had a volatility of 7.12%, while BWZ experienced 5.53%.

Which ETF is bigger: IGOV or BWZ?

As of October 28, 2026, IGOV holds $1.30 B in assets under management (AUM), while BWZ manages $297.67 M.

What sectors do the IGOV and BWZ ETFs invest in?

IGOV leans toward sectors like Sovereign. Meanwhile, BWZ focuses on Sovereign.

What are the top holdings of the IGOV ETF and BWZ ETF?

IGOV top holdings include Denmark, DGB 4.5% 15nov2039, DKK, Portugal, OT 2.125% 17oct2028, EUR and Slovakia, GB 3.75% 6mar2034, EUR. BWZ holds in its top three: Belgium, OLO 5.5% 28mar2028, EUR (31), Australia, TB 2.75% 21nov2028, AUD (TB152) and Australia, TB 3.25% 21apr2029, AUD (TB138).

Which ETF is more diversified: IGOV or BWZ?

IGOV holds 971 securities with 5.27% of its assets in the top 15. BWZ has 265 securities and a top 15 weight of 16.01%.

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