FSSWX Performance — Fidelity SAI Short-Term Treasury Bond Index Fund
Data updated: 2026-07-24
FSSWX returned +0.30% year to date and +3.39% over one year to May 2026. Over one year the fund trailed its Short-Term Government Bond category average: $100 grew to $103, against $104 for the category. Volatility over the past 12 months was 1.70% a year. In the 12 months to May 2026 the fund took in a net $278.7M, and assets reached $506.45M.
FSSWX Growth of $100
What $100 invested in Fidelity SAI Short-Term Treasury Bond Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Short-Term Government Bond category average over the same months.
| Period | FSSWX | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $103 | $104 |
| Since data start (Oct 2024 – May 2026) | $105 | $106 |
FSSWX Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.30% |
| 1 year | +3.39% |
FSSWX Annual Returns
Calendar-year total returns of Fidelity SAI Short-Term Treasury Bond Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +0.30% |
| 2025 | +5.81% |
| 2024 (Oct–Dec) | −0.78% |
FSSWX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +0.1% | +0.8% | −0.7% | +0.1% | +0.1% | — | — | — | — | — | — | — |
| 2025 | +0.5% | +1.0% | +0.6% | +1.0% | −0.4% | +0.8% | −0.2% | +1.1% | +0.3% | +0.4% | +0.5% | +0.2% |
| 2024 | — | — | — | — | — | — | — | — | — | −1.0% | +0.4% | −0.1% |
FSSWX Risk
Risk measures from monthly returns over Jun 2025 – May 2026.
- 1-year volatility (annualised): 1.70%
- Best month: +1.09% (Aug 2025)
- Worst month: −0.72% (Mar 2026)
FSSWX Fund Flows
Monthly money in and out of Fidelity SAI Short-Term Treasury Bond Index Fund, from SEC Form N-PORT.
- 12-month net flow: $278.7M
- 12-month gross sales (incl. reinvestments): $778.7M
- Sales ÷ redemptions: 1.56×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $11.6M | $125.0M | −$113.4M |
| Apr 2026 | $132.6M | $300.0M | −$167.4M |
| Mar 2026 | $151.3M | $0 | $151.3M |
| Feb 2026 | $101.0M | $0 | $101.0M |
| Jan 2026 | $250.8M | $0 | $250.8M |
| Dec 2025 | $1.3M | $0 | $1.3M |
| Nov 2025 | $903K | $25.0M | −$24.1M |
| Oct 2025 | $888K | $0 | $888K |
| Sep 2025 | $1.1M | $50.0M | −$48.9M |
| Aug 2025 | $1.0M | $0 | $1.0M |
| Jul 2025 | $960K | $0 | $960K |
| Jun 2025 | $125.2M | $50 | $125.2M |
FSSWX Assets Under Management
Net assets of Fidelity SAI Short-Term Treasury Bond Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $506.45M |
| 2026-02-28 | $645.70M |
| 2025-11-30 | $290.10M |
| 2025-08-31 | $361.23M |
| 2025-05-31 | $231.07M |
| 2025-02-28 | $79.97M |
| 2024-11-30 | $79.35M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.