PREIX Performance — T. Rowe Price Equity Index 500 Fund
Data updated: 2026-08-27
PREIX returned +10.10% year to date and +22.09% over one year to Jun 2026. Annualised returns are +20.38% over 3 years and +13.20% over 5 years. The fund beat its US Large Blend category average: $100 invested three years ago grew to $174, against $157 for the category, and to $122 over one year, against $118. Volatility over the past three years was 13.05% a year. In the 12 months to Jun 2026 the fund lost a net $1.8B, and assets reached $39.83B.
PREIX Growth of $100
What $100 invested in T. Rowe Price Equity Index 500 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 | PREIX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $122 | $118 |
| 3 years (Jul 2023 – Jun 2026) | $174 | $157 |
| 5 years (Jul 2021 – Jun 2026) | $186 | $161 |
| Since data start (Jul 2019 – Jun 2026) | $280 | $229 |
PREIX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +10.10% |
| 1 year | +22.09% |
| 3 years (annualised) | +20.38% |
| 5 years (annualised) | +13.20% |
PREIX Annual Returns
Calendar-year total returns of T. Rowe Price Equity Index 500 Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +10.10% |
| 2025 | +17.65% |
| 2024 | +24.79% |
| 2023 | +26.06% |
| 2022 | −18.27% |
| 2021 | +28.51% |
| 2020 | +18.18% |
| 2019 (Jul–Dec) | +10.81% |
PREIX 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 | +1.4% | −0.8% | −5.0% | +10.5% | +5.2% | −1.0% | — | — | — | — | — | — |
| 2025 | +2.8% | −1.3% | −5.7% | −0.7% | +6.3% | +5.1% | +2.2% | +2.0% | +3.6% | +2.3% | +0.2% | 0.0% |
| 2024 | +1.7% | +5.3% | +3.2% | −4.1% | +4.9% | +3.6% | +1.2% | +2.4% | +2.1% | −0.9% | +5.9% | −2.4% |
| 2023 | +6.3% | −2.5% | +3.7% | +1.6% | +0.4% | +6.6% | +3.2% | −1.6% | −4.8% | −2.1% | +9.1% | +4.5% |
| 2022 | −5.2% | −3.0% | +3.7% | −8.7% | +0.2% | −8.3% | +9.2% | −4.1% | −9.2% | +8.1% | +5.6% | −5.8% |
| 2021 | −1.0% | +2.8% | +4.4% | +5.3% | +0.7% | +2.3% | +2.4% | +3.0% | −4.7% | +7.0% | −0.7% | +4.5% |
| 2020 | −0.1% | −8.2% | −12.4% | +12.8% | +4.7% | +2.0% | +5.6% | +7.2% | −3.8% | −2.7% | +10.9% | +3.8% |
| 2019 | — | — | — | — | — | — | +1.4% | −1.6% | +1.8% | +2.2% | +3.6% | +3.0% |
PREIX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 13.05%
- 3-year Sharpe ratio: 1.22 (vs 4.5% risk-free rate)
- Best month: +10.47% (Apr 2026)
- Worst month: −5.65% (Mar 2025)
PREIX Fund Flows
Monthly money in and out of T. Rowe Price Equity Index 500 Fund, from SEC Form N-PORT.
- 12-month net flow: −$1.8B
- 12-month gross sales (incl. reinvestments): $6.6B
- Sales ÷ redemptions: 0.78×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $618.8M | $554.4M | $64.3M |
| May 2026 | $804.3M | $880.2M | −$75.9M |
| Apr 2026 | $324.8M | $659.0M | −$334.2M |
| Mar 2026 | $413.7M | $526.1M | −$112.3M |
| Feb 2026 | $550.9M | $1.6B | −$1.1B |
| Jan 2026 | $601.2M | $746.8M | −$145.6M |
| Dec 2025 | $1.2B | $585.5M | $584.0M |
| Nov 2025 | $483.4M | $775.5M | −$292.1M |
| Oct 2025 | $386.6M | $543.0M | −$156.3M |
| Sep 2025 | $437.6M | $486.0M | −$48.3M |
| Aug 2025 | $472.1M | $529.9M | −$57.8M |
| Jul 2025 | $331.0M | $492.1M | −$161.1M |
PREIX Assets Under Management
Net assets of T. Rowe Price Equity Index 500 Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $39.83B |
| 2026-03-31 | $34.99B |
| 2025-12-31 | $38.02B |
| 2025-09-30 | $37.51B |
| 2025-06-30 | $35.06B |
| 2025-03-31 | $32.37B |
| 2024-12-31 | $34.15B |
| 2024-09-30 | $33.73B |
| 2024-06-30 | $32.21B |
| 2024-03-31 | $31.16B |
| 2023-12-31 | $28.49B |
| 2023-09-30 | $25.43B |
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.