FNILX Performance — Fidelity ZERO Large Cap Index Fund
Data updated: 2026-09-23
FNILX returned +9.84% year to date and +18.93% over one year to Jul 2026. Annualised returns are +19.46% over 3 years and +12.52% over 5 years. The fund beat its US Large Blend category average: $100 invested three years ago grew to $170, against $153 for the category, and to $119 over one year, against $116. Volatility over the past three years was 13.20% a year. In the 12 months to Jul 2026 the fund took in a net $1.9B, and assets reached $18.70B.
FNILX Growth of $100
What $100 invested in Fidelity ZERO Large Cap 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 | FNILX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $119 | $116 |
| 3 years (Aug 2023 – Jul 2026) | $170 | $153 |
| 5 years (Aug 2021 – Jul 2026) | $180 | $159 |
| Since data start (Aug 2019 – Jul 2026) | $280 | $226 |
FNILX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +9.84% |
| 1 year | +18.93% |
| 3 years (annualised) | +19.46% |
| 5 years (annualised) | +12.52% |
FNILX Annual Returns
Calendar-year total returns of Fidelity ZERO Large Cap Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +9.84% |
| 2025 | +17.80% |
| 2024 | +25.46% |
| 2023 | +27.44% |
| 2022 | −19.35% |
| 2021 | +26.68% |
| 2020 | +21.12% |
| 2019 (Aug–Dec) | +9.37% |
FNILX 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 | +1.2% | −0.9% | −4.9% | +10.3% | +5.4% | −0.8% | −0.2% | — | — | — | — | — |
| 2025 | +3.0% | −1.5% | −5.9% | −0.5% | +6.5% | +5.2% | +2.3% | +1.9% | +3.7% | +2.4% | 0.0% | 0.0% |
| 2024 | +1.7% | +5.4% | +3.1% | −4.0% | +4.8% | +3.7% | +1.1% | +2.4% | +2.1% | −0.7% | +6.2% | −2.4% |
| 2023 | +6.5% | −2.3% | +3.7% | +1.4% | +0.8% | +6.6% | +3.4% | −1.6% | −4.7% | −2.2% | +9.4% | +4.6% |
| 2022 | −5.6% | −3.1% | +3.6% | −9.1% | −0.2% | −8.3% | +9.3% | −4.0% | −9.2% | +8.0% | +5.5% | −5.9% |
| 2021 | −1.1% | +2.5% | +3.7% | +5.5% | +0.5% | +2.8% | +2.4% | +3.0% | −4.7% | +7.0% | −1.0% | +4.0% |
| 2020 | +0.1% | −8.1% | −12.3% | +13.0% | +5.2% | +2.2% | +5.8% | +7.6% | −3.9% | −2.7% | +11.4% | +4.2% |
| 2019 | — | — | — | — | — | — | — | −1.6% | +1.9% | +2.2% | +3.7% | +3.0% |
FNILX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 13.20%
- 3-year Sharpe ratio: 1.13 (vs 4.5% risk-free rate)
- Best month: +10.31% (Apr 2026)
- Worst month: −5.85% (Mar 2025)
FNILX Fund Flows
Monthly money in and out of Fidelity ZERO Large Cap Index Fund, from SEC Form N-PORT.
- 12-month net flow: $1.9B
- 12-month gross sales (incl. reinvestments): $4.6B
- Sales ÷ redemptions: 1.72×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $362.3M | $227.1M | $135.2M |
| Jun 2026 | $369.5M | $232.7M | $136.8M |
| May 2026 | $387.6M | $231.9M | $155.7M |
| Apr 2026 | $348.8M | $229.2M | $119.6M |
| Mar 2026 | $329.5M | $253.3M | $76.2M |
| Feb 2026 | $345.0M | $212.1M | $132.9M |
| Jan 2026 | $472.3M | $264.7M | $207.6M |
| Dec 2025 | $545.5M | $202.4M | $343.1M |
| Nov 2025 | $342.7M | $222.6M | $120.1M |
| Oct 2025 | $386.3M | $252.9M | $133.5M |
| Sep 2025 | $362.1M | $184.5M | $177.7M |
| Aug 2025 | $364.9M | $175.9M | $189.0M |
FNILX Assets Under Management
Net assets of Fidelity ZERO Large Cap Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $18.70B |
| 2026-04-30 | $17.51B |
| 2026-01-31 | $16.50B |
| 2025-10-31 | $15.79B |
| 2025-07-31 | $14.10B |
| 2025-04-30 | $11.94B |
| 2025-01-31 | $12.72B |
| 2024-10-31 | $11.18B |
| 2024-07-31 | $10.25B |
| 2024-04-30 | $8.84B |
| 2024-01-31 | $7.95B |
| 2023-10-31 | $6.43B |
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.