FSTDX — Fidelity Series 5+ Year Inflation-Protected Bond Index Fund
Data updated: 2026-05-26
FSTDX — Fidelity Series 5+ Year Inflation-Protected Bond Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Treasury / Sovereign Bond · $13.08B AUM · 0.00% expense ratio · 2.1% 1-yr return. From SEC regulatory filings.
FSTDX Fund Overview
FSTDX — Fidelity Series 5+ Year Inflation-Protected Bond Index Fund is a US mutual fund managed by Fidelity Salem Street Trust, categorised as Long Treasury / Sovereign Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Fidelity Salem Street Trust
- Category: Long Treasury / Sovereign Bond
- Assets under management: $13.08B
- 1-year return: 2.1%
- Ticker: FSTDX
- SEC CIK: 0000035315
- SEC series ID: S000072689
- Share class ID: C000229124
FSTDX Holdings
Top 10 holdings of Fidelity Series 5+ Year Inflation-Protected Bond Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Ust Notes | 8.66% |
| Ust Notes | 8.16% |
| Ust Notes | 7.78% |
| Ust Notes | 7.77% |
| Ust Notes | 7.48% |
| Ust Notes | 7.09% |
| Ust Notes | 6.63% |
| Ust Notes | 6.47% |
| Ust Notes | 5.79% |
| Ust Notes | 3.12% |
FSTDX Portfolio Allocation
Asset-class allocation of Fidelity Series 5+ Year Inflation-Protected Bond Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 99.4% |
| Cash & Equivalents | 0.3% |
FSTDX Performance
Total returns for FSTDX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.0% |
| 1 year | 2.1% |
| 3 years (annualised) | 1.6% |
FSTDX Risk Information
Risk metrics for FSTDX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 4.7%
FSTDX Costs and Fees
FSTDX costs about $0 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.00%
- Gross expense ratio: 0.00%
- Portfolio turnover: 25%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
FSTDX Cashflows
Over the 12 months to 2026-03, Fidelity Series 5+ Year Inflation-Protected Bond Index Fund had net inflows of $1.93B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $71.91M |
| 2026-02 | $253.48M |
| 2026-01 | $197.48M |
| 2025-12 | $305.58M |
| 2025-11 | $104.34M |
| 2025-10 | $185.99M |
FSTDX Debt Constituents
Largest debt holdings of Fidelity Series 5+ Year Inflation-Protected Bond Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Ust Notes | 8.66% |
| Ust Notes | 8.16% |
| Ust Notes | 7.78% |
| Ust Notes | 7.77% |
| Ust Notes | 7.48% |
| Ust Notes | 7.09% |
| Ust Notes | 6.63% |
| Ust Notes | 6.47% |
| Ust Notes | 5.79% |
| Ust Notes | 3.12% |
FSTDX Prospectus and SEC Filings
Official Fidelity Series 5+ Year Inflation-Protected Bond Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Treasury / Sovereign 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.