IAGGvsBWXETF Comparison
VS
ETF 2
BWX
State Street SPDR Bloomberg International Treasury Bond ETF
This fund is part of
Intl Government Bonds
+0.07%
iShares Core International Aggregate Bond ETF (IAGG) belongs to the Intl IG Bonds segment. State Street SPDR Bloomberg International Treasury Bond ETF (BWX) is part of the Intl Government Bonds segment. IAGG's top 3 sector exposures are Sovereign, Finance and Municipal. In contrast, BWX's top sector exposures are Sovereign. IAGG is less expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.35% for BWX. IAGG is up 0.67% year-to-date (YTD) with +$1.67B in YTD flows. BWX performs worse with -3.42% YTD performance, and +$107M in YTD flows. Run a side-by-side ETF comparison of IAGG and BWX 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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IAGG vs BWX performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/23/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IAGG BWX | +0.71%+0.15% | +0.11%+0.63% | +0.67%-3.42% | +0.49%-4.14% | +15.82%+8.48% | +5.97%-18.18% |
| Flows | IAGG BWX | +$761M+$17M | +$1.88B+$19M | +$1.67B+$107M | +$1.80B+$98M | +$7.94B+$499M | +$9.23B+$648M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IAGG BWX | +2.49%+6.26% | +2.74%+6.85% | +2.94%+7.37% | +3.72%+8.18% |
| Max drawdown | IAGG BWX | -1.66%-4.00% | -2.23%-7.02% | -2.23%-10.02% | -13.18%-28.86% |
| Max drawdown duration | IAGG BWX | 79d44d | 114d236d | 114d255d | 1022d1809d |
Trading data
IAGG | BWX | |
Last sale 10/23/2026 at 1:30 PM | $49.37 | $21.40 |
| Previous close 10/22/2026 | $49.40 | $21.42 |
| Consolidated volume 10/22/2026 | ||
| 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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IAGG | BWX | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/23/2026 at 1:30 PM
Live
Closed
IAGG | BWX | |
|---|---|---|
| Last price | $49.37 | $21.40 |
| 1D performance | -0.06% | -0.09% |
| AuM | $12.61 B | $1.33 B |
| E/R | 0.07% | 0.35% |
Characteristics
IAGG | BWX | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | State Street Investment Management |
| Benchmark | Bloomberg Global Aggregate ex USD 10% Issuer Cap Index | Bloomberg Global Treasury ex-U.S. Capped Index |
| N° of holdings | 8432 | 1360 |
| Asset class | Bonds | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 10, 2015 | October 2, 2007 |
| ESG | No | No |
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Exposure
Countries
IAGG
China
18.46%
Japan
10.77%
France
9.45%
Germany
8.33%
United Kingdom
7.35%
Other
45.63%
BWX
Japan
22.73%
Other
77.27%
Sectors
IAGG
Sovereign
64.54%
Finance
23.1%
Other
12.36%
BWX
Sovereign
98.53%
Other
1.47%
Diversification
IAGG
Total weight of top 15 holdings out of 15
8.14%
BWX
Total weight of top 15 holdings out of 15
3.99%
Top 15 holdings
Data as of August 31, 2026
IAGG
China, TB 1.61% 15feb2035, CNY
1.12%
China, TB 1.44% 15sep2027, CNY
0.73%
China, Bonds 2.27% 25may2034, CNY
0.67%
China, Bonds 1.49% 25dec2031, CNY
0.60%
China, Bonds 2.28% 25mar2031, CNY
0.58%
China, TB 1.43% 25jan2030, CNY
0.52%
China, Bonds 2.68% 21may2030, CNY
0.52%
China Development Bank, 3.66% 1mar2031, CNY
0.52%
China Development Bank, 3.65% 21may2029, CNY
0.47%
China, Bonds 2.05% 15apr2029, CNY
0.43%
Germany, Bobl 1.3% 15oct2027, EUR
0.42%
China, Bonds 1.91% 15jul2029, CNY
0.40%
China Development Bank, 4.04% 6jul2028, CNY
0.39%
China, Bonds 3.81% 14sep2050, CNY
0.39%
China, Bonds 1.45% 25feb2028, CNY
0.38%
BWX
Japan, JGB 0.1% 20mar2028, JPY
0.32%
Austria, AGB 4.15% 15mar2037, EUR
0.30%
Japan, JGB 0.8% 20sep2033, JPY
0.29%
Japan, JGB 0.1% 20jun2030, JPY
0.29%
Belgium, OLO 5% 28mar2035, EUR
0.28%
Japan, JGB 0.2% 20mar2032, JPY
0.26%
Netherlands, DSL 3.75% 15jan2042, EUR
0.26%
Australia, TB 2.75% 21nov2028, AUD (TB152)
0.26%
Japan, JGB 0.1% 20mar2031, JPY
0.26%
Japan, JGB 0.1% 20sep2029, JPY
0.26%
Japan, JGB 0.1% 20sep2030, JPY
0.25%
Australia, TB 2.75% 21nov2029, AUD (TB154)
0.25%
Australia, TB 3.25% 21apr2029, AUD (TB138)
0.25%
Japan, JGB 0.1% 20dec2030, JPY
0.24%
Japan, JGB 2.3% 20mar2040, JPY
0.24%
Frequently asked questions about IAGG and BWX
How have the IAGG and BWX ETFs performed in 2026?
As of October 23, 2026, IAGG is up 0.67% year-to-date (YTD), while BWX has lost -3.42%. That puts IAGG better performer ahead so far this year.
Which ETF is attracting more investor money: IAGG or BWX?
Year-to-date, the IAGG ETF saw +$1.67B in flows, compared to +$107M for BWX.
Which ETF is more volatile: IAGG or BWX?
Over the past year, IAGG had a volatility of 2.74%, while BWX experienced 6.85%.
Which ETF is bigger: IAGG or BWX?
As of October 23, 2026, IAGG holds $12.61 B in assets under management (AUM), while BWX manages $1.33 B.
What sectors do the IAGG and BWX ETFs invest in?
IAGG leans toward sectors like Sovereign and Finance. Meanwhile, BWX focuses on Sovereign.
What are the top holdings of the IAGG ETF and BWX ETF?
IAGG top holdings include China, TB 1.61% 15feb2035, CNY, China, TB 1.44% 15sep2027, CNY and China, Bonds 2.27% 25may2034, CNY. BWX holds in its top three: Japan, JGB 0.1% 20mar2028, JPY, Austria, AGB 4.15% 15mar2037, EUR and Japan, JGB 0.8% 20sep2033, JPY.
Which ETF is more diversified: IAGG or BWX?
IAGG holds 8576 securities with 8.14% of its assets in the top 15. BWX has 1375 securities and a top 15 weight of 3.99%.
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