TSFBX — American Funds Strategic Bond Fund
Data updated: 2026-08-27
TSFBX — American Funds Strategic Bond Fund. Long Total / Aggregate Bond · $21.25B AUM · 0.70% expense ratio. Holdings, fees, performance and SEC filings.
TSFBX Fund Overview
TSFBX — American Funds Strategic Bond Fund is a US mutual fund managed by American Funds Strategic Bond Fund, categorised as Long Total / Aggregate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: American Funds Strategic Bond Fund
- Category: Long Total / Aggregate Bond
- Assets under management: $21.25B
- 1-year return: 3.5%
- Ticker: TSFBX
- SEC CIK: 0001655146
- SEC series ID: S000052313
- Share class ID: C000189484
TSFBX Holdings
Top 10 holdings of American Funds Strategic Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Capital Group Central Cash Fund | 6.26% |
| United States Treasury | 3.45% |
| United States Treasury | 2.35% |
| Japan (government Of) | 1.94% |
| United States Treasury | 1.78% |
| United States Treasury | 1.34% |
| Brazil Federative Republic Of (government) | 1.29% |
| United States Treasury | 1.12% |
| United States Treasury | 1.07% |
| United States Treasury | 0.94% |
TSFBX Portfolio Allocation
Asset-class allocation of American Funds Strategic Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 68.0% |
| Securitized | 28.7% |
| Cash & Equivalents | 6.3% |
| Loans | 0.6% |
| Equity | 0.2% |
TSFBX Performance
Total returns for TSFBX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.7% |
| 1 year | 3.5% |
| 3 years (annualised) | 2.5% |
| 5 years (annualised) | -0.6% |
TSFBX Risk Information
Risk metrics for TSFBX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 4.1%
TSFBX Costs and Fees
TSFBX costs about $70 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.70%
- Gross expense ratio: 0.70%
- Portfolio turnover: 428%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
TSFBX Cashflows
Over the 12 months to 2026-06, American Funds Strategic Bond Fund had net inflows of $1.90B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$46.72M |
| 2026-05 | $27.37M |
| 2026-04 | $289.94M |
| 2026-03 | $210.68M |
| 2026-02 | $13.95M |
| 2026-01 | $629.52M |
TSFBX Debt Constituents
Largest debt holdings of American Funds Strategic Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 3.45% |
| United States Treasury | 2.35% |
| Japan (government Of) | 1.94% |
| United States Treasury | 1.78% |
| United States Treasury | 1.34% |
| Brazil Federative Republic Of (government) | 1.29% |
| United States Treasury | 1.12% |
| United States Treasury | 1.07% |
| United States Treasury | 0.94% |
| United States Treasury | 0.92% |
TSFBX Prospectus and SEC Filings
Official American Funds Strategic Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-02-27
- Prospectus (485BPOS) — filed 2025-02-28
- Prospectus (485BPOS) — filed 2024-02-29
- Portfolio holdings (N-PORT) — filed 2026-08-27
- Portfolio holdings (N-PORT) — filed 2026-05-28
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2026-03-16
- Annual census (N-CEN) — filed 2025-03-17
Related Funds
Other Long 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.