BWX — SPDR® Bloomberg Barclays International Treasury Bond ETF
Data updated: 2026-08-28
BWX — SPDR® Bloomberg Barclays International Treasury Bond ETF. Intermediate Total / Aggregate Bond · $1.35B AUM. Holdings, fees, performance and SEC filings.
BWX Fund Overview
BWX — SPDR® Bloomberg Barclays International Treasury Bond ETF is a US ETF managed by SPDR Series Trust, categorised as Intermediate Total / Aggregate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: SPDR Series Trust
- Category: Intermediate Total / Aggregate Bond
- Assets under management: $1.35B
- 1-year return: -4.8%
- Ticker: BWX
- SEC CIK: 0001064642
- SEC series ID: S000018782
- Share class ID: C000051964
BWX Holdings
Top 10 holdings of SPDR® Bloomberg Barclays International Treasury Bond ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Japan Government Ten Year Bonds | 7.55% |
| Japan Government Twenty Year Bonds | 5.55% |
| U.K. Gilts | 4.99% |
| French Republic Government Bonds OAT | 4.97% |
| China Government Bond | 4.57% |
| Spain Government Bonds | 4.55% |
| Italy Buoni Poliennali Del Tesoro | 4.53% |
| Korea Treasury Bond | 4.53% |
| Australia Government Bonds | 4.04% |
| Kingdom of Belgium Government Bonds | 3.60% |
BWX Portfolio Allocation
Asset-class allocation of SPDR® Bloomberg Barclays International Treasury Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 99.1% |
BWX Performance
Total returns for BWX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -2.5% |
| 1 year | -4.8% |
| 3 years (annualised) | 0.9% |
| 5 years (annualised) | -4.2% |
BWX Risk Information
Risk metrics for BWX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 7.2%
BWX Costs and Fees
BWX costs about $35 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.35%
- Gross expense ratio: 0.35%
- Portfolio turnover: 63%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
BWX Cashflows
Over the 12 months to 2026-06, SPDR® Bloomberg Barclays International Treasury Bond ETF had net outflows of $68.05M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$105.00M |
| 2026-05 | −$44.06M |
| 2026-04 | $0 |
| 2026-03 | −$96.38M |
| 2026-02 | $102.21M |
| 2026-01 | $248.22M |
BWX Debt Constituents
Largest debt holdings of SPDR® Bloomberg Barclays International Treasury Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Japan Government Ten Year Bonds | 7.55% |
| Japan Government Twenty Year Bonds | 5.55% |
| U.K. Gilts | 4.99% |
| French Republic Government Bonds OAT | 4.97% |
| China Government Bond | 4.57% |
| Spain Government Bonds | 4.55% |
| Italy Buoni Poliennali Del Tesoro | 4.53% |
| Korea Treasury Bond | 4.53% |
| Australia Government Bonds | 4.04% |
| Kingdom of Belgium Government Bonds | 3.60% |
BWX Prospectus and SEC Filings
Official SPDR® Bloomberg Barclays International Treasury Bond ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-04-24
- Prospectus (485BPOS) — filed 2025-04-24
- Prospectus (485BPOS) — filed 2024-04-25
- Portfolio holdings (N-PORT) — filed 2026-08-28
- Portfolio holdings (N-PORT) — filed 2026-05-28
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2026-03-13
- Annual census (N-CEN) — filed 2025-03-13
Related Funds
Other Intermediate Total / Aggregate Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.