IGOVvsBWZETF Comparison
VS
ETF 2
BWZ
State Street SPDR Bloomberg Short Term International Treasury Bond ETF
This fund is part of
Intl Government Bonds
-0.24%
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 -1.95% year-to-date (YTD) with +$581M in YTD flows. BWZ performs better with 1.27% YTD performance, and -$18M 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
Cumulative Flows
Historic performance and flows
Data as of 09/11/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IGOV BWZ | -0.77%+1.20% | -1.02%+2.29% | -1.95%+1.27% | -2.94%+0.51% | +9.49%+11.40% | -20.27%-5.61% |
| Flows | IGOV BWZ | +$4M+$38M | +$163M+$17M | +$581M-$18M | +$466M-$39M | +$359M+$136M | +$669M+$146M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IGOV BWZ | +5.82%+4.97% | +7.08%+5.50% | +8.10%+6.15% | +9.14%+6.68% |
| Max drawdown | IGOV BWZ | -3.21%-1.91% | -6.03%-4.23% | -10.40%-8.32% | -31.99%-21.55% |
| Max drawdown duration | IGOV BWZ | 87d46d | 194d211d | 200d194d | 1822d1822d |
Trading data
IGOV | BWZ | |
Last sale 9/11/2026 at 1:30 PM | $40.92 | $27.39 |
| Previous close 09/10/2026 | $40.93 | $27.36 |
| Consolidated volume 09/10/2026 | ||
| 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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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 9/11/2026 at 1:30 PM
Live
Closed
IGOV | BWZ | |
|---|---|---|
| Last price | $40.92 | $27.39 |
| 1D performance | -0.02% | +0.11% |
| AuM | $1.54 B | $328.46 M |
| E/R | 0.35% | 0.35% |
Characteristics
IGOV | BWZ | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | State Street Investment Management |
| Benchmark | FTSE World Government Bond Index - Developed Markets Capped Select Index | Bloomberg 1-3 Year Global Treasury ex-US Capped Index |
| N° of holdings | 954 | 253 |
| Asset class | Fixed Income | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | January 21, 2009 | January 15, 2009 |
| ESG | No | No |
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Exposure
Countries
IGOV
Japan
11.13%
France
8.63%
Italy
7.93%
United Kingdom
7.05%
Other
65.25%
BWZ
Japan
22.92%
Other
77.08%
Sectors
IGOV
Sovereign
99.63%
Other
0.37%
BWZ
Sovereign
98.72%
Other
1.28%
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Diversification
IGOV
Total weight of top 15 holdings out of 15
5.4%
BWZ
Total weight of top 15 holdings out of 15
16.7%
Top 15 holdings
Data as of July 31, 2026
IGOV
Portugal, OT 2.125% 17oct2028, EUR
0.53%
Denmark, DGB 4.5% 15nov2039, DKK
0.47%
Slovakia, GB 3.75% 6mar2034, EUR
0.39%
United Kingdom, Gilt 4.5% 7mar2035, GBP
0.38%
France, OAT 3.5% 25nov2033, EUR
0.38%
Portugal, OT 1.95% 15jun2029, EUR
0.37%
Portugal, OT 4.1% 15apr2037, EUR
0.37%
Israel, SHAHAR 5.5% 31jan2042, ILS
0.34%
Japan, JGB 2.4% 20mar2036, JPY
0.33%
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 3.75% 30sep2027, ILS
0.31%
Austria, AGB 4.15% 15mar2037, EUR
0.30%
New Zealand, NZGB 3% 20apr2029, NZD
0.30%
BWZ
Belgium, OLO 5.5% 28mar2028, EUR (31)
1.88%
Japan, JGB 0.1% 20mar2028, JPY
1.28%
Australia, TB 3.25% 21apr2029, AUD (TB138)
1.27%
Netherlands, DSL 5.5% 15jan2028, EUR
1.21%
Australia, TB 2.75% 21nov2028, AUD (TB152)
1.21%
United Kingdom, Gilt 4.375% 7mar2028, GBP
1.01%
Australia, TB 2.25% 21may2028, AUD (TB149)
1.01%
Japan, JGB 0.1% 20jun2028, JPY
1.00%
Mexico, Bonos 8.5% 1mar2029, MXN
0.99%
Japan, JGB 0.1% 20sep2027, JPY
0.98%
Japan, JGB 0.1% 20dec2027, JPY
0.98%
Japan, JGB 0.1% 20sep2027, JPY
0.98%
Australia, TB 2.75% 21nov2027, AUD (TB148)
0.97%
Japan, JGB 0.1% 20sep2028, JPY
0.97%
Japan, JGB 0.1% 20dec2028, JPY
0.96%
Frequently asked questions about IGOV and BWZ
How have the IGOV and BWZ ETFs performed in 2026?
As of September 11, 2026, IGOV is down -1.95% year-to-date (YTD), while BWZ has returned 1.27%. 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 +$581M in flows, compared to -$18M for BWZ.
Which ETF is more volatile: IGOV or BWZ?
Over the past year, IGOV had a volatility of 7.08%, while BWZ experienced 5.5%.
Which ETF is bigger: IGOV or BWZ?
As of September 11, 2026, IGOV holds $1.54 B in assets under management (AUM), while BWZ manages $328.46 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 Portugal, OT 2.125% 17oct2028, EUR, Denmark, DGB 4.5% 15nov2039, DKK and Slovakia, GB 3.75% 6mar2034, EUR. BWZ holds in its top three: Belgium, OLO 5.5% 28mar2028, EUR (31), Japan, JGB 0.1% 20mar2028, JPY and Australia, TB 3.25% 21apr2029, AUD (TB138).
Which ETF is more diversified: IGOV or BWZ?
IGOV holds 966 securities with 5.4% of its assets in the top 15. BWZ has 258 securities and a top 15 weight of 16.7%.
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