BWX — SPDR(R) Bloomberg Barclays International Treasury Bond ETF
Data updated: 2026-05-28
BWX — SPDR(R) Bloomberg Barclays International Treasury Bond ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Total / Aggregate Bond · $1.50B AUM · 0.35% expense ratio · 2.1% 1-yr return. From SEC regulatory filings.
BWX Fund Overview
BWX — SPDR(R) 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: $1.50B
- 1-year return: 2.1%
- Ticker: BWX
- SEC CIK: 0001064642
- SEC series ID: S000018782
- Share class ID: C000051964
BWX Holdings
Top 10 holdings of SPDR(R) 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 | 0.29% |
| Japan Government Ten Year Bonds | 0.28% |
| Japan Government Ten Year Bonds | 0.27% |
| Japan Government Ten Year Bonds | 0.27% |
| Kingdom of Belgium Government Bonds | 0.27% |
| Japan Government Ten Year Bonds | 0.26% |
| Republic of Austria Government Bonds | 0.26% |
| Japan Government Ten Year Bonds | 0.26% |
| Japan Government Ten Year Bonds | 0.26% |
| Japan Government Ten Year Bonds | 0.26% |
BWX Portfolio Allocation
Asset-class allocation of SPDR(R) Bloomberg Barclays International Treasury Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 98.8% |
| Cash & Equivalents | 0.1% |
BWX Performance
Total returns for BWX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -2.8% |
| 1 year | 2.1% |
| 3 years (annualised) | 0.2% |
| 5 years (annualised) | -4.1% |
BWX Risk Information
Risk metrics for BWX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 9.1%
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: 16%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
BWX Cashflows
Over the 12 months to 2026-03, SPDR(R) Bloomberg Barclays International Treasury Bond ETF had net inflows of $533.10M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$96.38M |
| 2026-02 | $102.21M |
| 2026-01 | $248.22M |
| 2025-12 | −$26.81M |
| 2025-11 | $18.04M |
| 2025-10 | −$36.41M |
BWX Debt Constituents
Largest debt holdings of SPDR(R) 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 | 0.29% |
| Japan Government Ten Year Bonds | 0.28% |
| Japan Government Ten Year Bonds | 0.27% |
| Japan Government Ten Year Bonds | 0.27% |
| Kingdom of Belgium Government Bonds | 0.27% |
| Japan Government Ten Year Bonds | 0.26% |
| Republic of Austria Government Bonds | 0.26% |
| Japan Government Ten Year Bonds | 0.26% |
| Japan Government Ten Year Bonds | 0.26% |
| Japan Government Ten Year Bonds | 0.26% |
BWX Prospectus and SEC Filings
Official SPDR(R) Bloomberg Barclays International Treasury Bond ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
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.