FZFLX Performance — Fidelity SAI Small-Mid Cap 500 Index Fund
Data updated: 2026-10-13
FZFLX returned +26.33% year to date and +34.93% over one year to Jul 2026. Annualised returns are +17.76% over 3 years and +10.00% over 5 years. The fund beat its US Large Blend category average: $100 invested three years ago grew to $163, against $153 for the category, and to $135 over one year, against $116. Volatility over the past three years was 19.14% a year. In the 12 months to Jul 2026 the fund took in a net $3.4B, and assets reached $4.16B.
FZFLX Growth of $100
What $100 invested in Fidelity SAI Small-Mid Cap 500 Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Large Blend category average over the same months.
| Period | FZFLX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $135 | $116 |
| 3 years (Aug 2023 – Jul 2026) | $163 | $153 |
| 5 years (Aug 2021 – Jul 2026) | $161 | $159 |
| Since data start (Aug 2019 – Jul 2026) | $237 | $226 |
FZFLX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +26.33% |
| 1 year | +34.93% |
| 3 years (annualised) | +17.76% |
| 5 years (annualised) | +10.00% |
FZFLX Annual Returns
Calendar-year total returns of Fidelity SAI Small-Mid Cap 500 Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +26.33% |
| 2025 | +11.31% |
| 2024 | +12.31% |
| 2023 | +17.75% |
| 2022 | −16.74% |
| 2021 | +20.90% |
| 2020 | +19.79% |
| 2019 (Aug–Dec) | +5.55% |
FZFLX 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 | +6.7% | +6.3% | −4.9% | +15.7% | +5.7% | +4.4% | −8.3% | — | — | — | — | — |
| 2025 | +4.2% | −4.2% | −6.0% | −1.8% | +6.5% | +4.0% | +2.1% | +3.9% | +0.7% | −0.2% | +2.0% | +0.3% |
| 2024 | −1.6% | +5.3% | +4.6% | −6.5% | +3.5% | −2.0% | +5.6% | +0.6% | +2.1% | −0.6% | +9.0% | −7.0% |
| 2023 | +10.1% | −2.9% | −2.8% | −1.1% | −2.4% | +9.0% | +4.1% | −3.1% | −5.4% | −5.5% | +8.9% | +9.7% |
| 2022 | −7.4% | +1.2% | +1.8% | −7.5% | +0.5% | −10.5% | +10.2% | −3.0% | −9.6% | +8.5% | +5.8% | −5.5% |
| 2021 | +0.4% | +6.8% | +2.2% | +5.5% | +0.2% | +0.5% | −0.2% | +2.3% | −3.4% | +5.4% | −4.2% | +4.1% |
| 2020 | −1.2% | −8.4% | −21.6% | +14.9% | +8.2% | +2.4% | +4.9% | +3.7% | −2.0% | +1.6% | +14.7% | +6.8% |
| 2019 | — | — | — | — | — | — | — | −3.4% | +1.6% | +1.4% | +4.4% | +1.6% |
FZFLX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 19.14%
- 3-year Sharpe ratio: 0.69 (vs 4.5% risk-free rate)
- Best month: +15.73% (Apr 2026)
- Worst month: −8.27% (Jul 2026)
FZFLX Fund Flows
Monthly money in and out of Fidelity SAI Small-Mid Cap 500 Index Fund, from SEC Form N-PORT.
- 12-month net flow: $3.4B
- 12-month gross sales (incl. reinvestments): $3.6B
- Sales ÷ redemptions: 17.54×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $5.3M | $5.2M | $182K |
| Jun 2026 | $3.0M | $156.3M | −$153.3M |
| May 2026 | $3.4M | $15.8M | −$12.4M |
| Apr 2026 | $3.6M | $3.2M | $392K |
| Mar 2026 | $515.9M | $2.0M | $513.9M |
| Feb 2026 | $1.2B | $6.6M | $1.2B |
| Jan 2026 | $986.8M | $12.3M | $974.5M |
| Dec 2025 | $770.3M | $252K | $770.1M |
| Nov 2025 | $0 | $799K | −$799K |
| Oct 2025 | $0 | $11K | −$11K |
| Sep 2025 | $80.1M | $111K | $80.0M |
| Aug 2025 | $0 | $94K | −$94K |
FZFLX Assets Under Management
Net assets of Fidelity SAI Small-Mid Cap 500 Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $4.16B |
| 2026-04-30 | $4.27B |
| 2026-01-31 | $2.00B |
| 2025-10-31 | $219.61M |
| 2025-07-31 | $210.38M |
| 2025-04-30 | $780.40M |
| 2025-01-31 | $1.05B |
| 2024-10-31 | $1.17B |
| 2024-07-31 | $1.74B |
| 2024-04-30 | $1.64B |
| 2024-01-31 | $1.57B |
| 2023-10-31 | $1.39B |
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.