FSKAX Performance — Fidelity Total Market Index Fund
Data updated: 2026-07-24
FSKAX returned +11.52% year to date and +29.84% over one year to May 2026. Annualised returns are +23.30% over 3 years and +12.91% over 5 years. The fund beat its US Multi-Cap Blend category average: $100 invested three years ago grew to $187, against $147 for the category, and to $130 over one year, against $119. Volatility over the past three years was 13.79% a year. In the 12 months to May 2026 the fund took in a net $2.2B, and assets reached $138.49B.
FSKAX Growth of $100
What $100 invested in Fidelity Total Market Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Multi-Cap Blend category average over the same months.
| Period | FSKAX | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $130 | $119 |
| 3 years (Jun 2023 – May 2026) | $187 | $147 |
| 5 years (Jun 2021 – May 2026) | $184 | $136 |
| Since data start (Sep 2019 – May 2026) | $276 | $173 |
FSKAX Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +11.52% |
| 1 year | +29.84% |
| 3 years (annualised) | +23.30% |
| 5 years (annualised) | +12.91% |
FSKAX Annual Returns
Calendar-year total returns of Fidelity Total Market Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +11.52% |
| 2025 | +17.04% |
| 2024 | +23.90% |
| 2023 | +26.13% |
| 2022 | −19.52% |
| 2021 | +25.65% |
| 2020 | +20.78% |
| 2019 (Sep–Dec) | +10.93% |
FSKAX 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 | +1.6% | −0.5% | −4.9% | +10.4% | +5.2% | — | — | — | — | — | — | — |
| 2025 | +3.1% | −1.9% | −5.9% | −0.7% | +6.4% | +5.1% | +2.3% | +2.3% | +3.5% | +2.2% | +0.2% | 0.0% |
| 2024 | +1.1% | +5.4% | +3.2% | −4.4% | +4.8% | +3.1% | +1.8% | +2.1% | +2.1% | −0.7% | +6.7% | −3.0% |
| 2023 | +7.0% | −2.3% | +2.6% | +1.0% | +0.4% | +6.9% | +3.6% | −1.9% | −4.8% | −2.7% | +9.4% | +5.3% |
| 2022 | −6.0% | −2.5% | +3.2% | −9.0% | −0.2% | −8.4% | +9.4% | −3.8% | −9.3% | +8.2% | +5.3% | −5.9% |
| 2021 | −0.3% | +3.2% | +3.5% | +5.1% | +0.4% | +2.5% | +1.7% | +2.9% | −4.5% | +6.7% | −1.5% | +3.8% |
| 2020 | −0.1% | −8.2% | −13.8% | +13.3% | +5.4% | +2.3% | +5.7% | +7.2% | −3.7% | −2.1% | +12.2% | +4.5% |
| 2019 | — | — | — | — | — | — | — | — | +1.7% | +2.1% | +3.8% | +2.9% |
FSKAX Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 13.79%
- 3-year Sharpe ratio: 1.36 (vs 4.5% risk-free rate)
- Best month: +10.43% (Apr 2026)
- Worst month: −5.92% (Mar 2025)
FSKAX Fund Flows
Monthly money in and out of Fidelity Total Market Index Fund, from SEC Form N-PORT.
- 12-month net flow: $2.2B
- 12-month gross sales (incl. reinvestments): $18.8B
- Sales ÷ redemptions: 1.13×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $1.4B | $1.4B | −$14.0M |
| Apr 2026 | $1.5B | $1.1B | $445.1M |
| Mar 2026 | $1.5B | $1.1B | $383.7M |
| Feb 2026 | $1.6B | $1.2B | $332.4M |
| Jan 2026 | $1.8B | $1.4B | $318.2M |
| Dec 2025 | $3.2B | $1.8B | $1.4B |
| Nov 2025 | $1.3B | $1.4B | −$87.4M |
| Oct 2025 | $1.8B | $2.4B | −$589.2M |
| Sep 2025 | $1.1B | $1.1B | −$36.0M |
| Aug 2025 | $1.2B | $1.1B | $42.0M |
| Jul 2025 | $1.3B | $1.4B | −$181.7M |
| Jun 2025 | $1.2B | $1.0B | $194.5M |
FSKAX Assets Under Management
Net assets of Fidelity Total Market Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $138.49B |
| 2026-02-28 | $124.71B |
| 2025-11-30 | $122.65B |
| 2025-08-31 | $116.50B |
| 2025-05-31 | $105.88B |
| 2025-02-28 | $106.34B |
| 2024-11-30 | $107.41B |
| 2024-08-31 | $98.68B |
| 2024-05-31 | $91.97B |
| 2024-02-29 | $88.99B |
| 2023-11-30 | $78.95B |
| 2023-08-31 | $77.63B |
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.