TRZIX Performance — T. Rowe Price Small-Cap Index Fund, Z Class
Data updated: 2026-08-27
TRZIX returned +22.61% year to date and +40.92% over one year to Jun 2026. Annualised returns are +18.70% over 3 years and +7.08% over 5 years. The fund beat its US Small Blend category average: $100 invested three years ago grew to $167, against $156 for the category, and to $141 over one year, against $133. Volatility over the past three years was 19.96% a year. In the 12 months to Jun 2026 the fund took in a net $136.6M, and assets reached $486.84M.
TRZIX Growth of $100
What $100 invested in T. Rowe Price Small-Cap Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Small Blend category average over the same months.
| Period | TRZIX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $141 | $133 |
| 3 years (Jul 2023 – Jun 2026) | $167 | $156 |
| 5 years (Jul 2021 – Jun 2026) | $141 | $141 |
| Since data start (Mar 2020 – Jun 2026) | $319 | $222 |
TRZIX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +22.61% |
| 1 year | +40.92% |
| 3 years (annualised) | +18.70% |
| 5 years (annualised) | +7.08% |
TRZIX Annual Returns
Calendar-year total returns of T. Rowe Price Small-Cap Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +22.61% |
| 2025 | +12.89% |
| 2024 | +11.62% |
| 2023 | +17.06% |
| 2022 | −20.34% |
| 2021 | +14.70% |
| 2020 (Mar–Dec) | +93.19% |
TRZIX 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 | +5.3% | +0.8% | −5.0% | +12.2% | +4.4% | +3.7% | — | — | — | — | — | — |
| 2025 | +2.6% | −5.3% | −6.8% | −2.3% | +5.3% | +5.4% | +1.8% | +7.2% | +3.1% | +1.8% | +1.0% | −0.5% |
| 2024 | −3.9% | +5.7% | +3.5% | −7.0% | +5.0% | −0.9% | +10.2% | −1.5% | +0.7% | −1.4% | +10.9% | −8.2% |
| 2023 | +9.7% | −1.7% | −4.7% | −1.8% | −0.9% | +8.1% | +6.1% | −4.9% | −5.9% | −6.8% | +9.0% | +12.2% |
| 2022 | −9.6% | +1.0% | +1.3% | −9.9% | +0.1% | −8.2% | +10.4% | −2.0% | −9.6% | +11.0% | +2.3% | −6.5% |
| 2021 | +5.0% | +6.2% | +1.0% | +2.1% | +0.2% | +1.9% | −3.6% | +2.2% | −2.9% | +4.3% | −4.2% | +2.2% |
| 2020 | — | — | +11.5% | +13.7% | +6.6% | +3.6% | +2.7% | +5.7% | −3.3% | +2.1% | +18.4% | +8.7% |
TRZIX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 19.96%
- 3-year Sharpe ratio: 0.71 (vs 4.5% risk-free rate)
- Best month: +12.23% (Dec 2023)
- Worst month: −8.25% (Dec 2024)
TRZIX Fund Flows
Monthly money in and out of T. Rowe Price Small-Cap Index Fund, from SEC Form N-PORT.
- 12-month net flow: $136.6M
- 12-month gross sales (incl. reinvestments): $173.6M
- Sales ÷ redemptions: 4.69×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $8.9M | $4.9M | $3.9M |
| May 2026 | $47.8M | $4.8M | $43.0M |
| Apr 2026 | $6.2M | $1.6M | $4.6M |
| Mar 2026 | $6.3M | $1.3M | $5.0M |
| Feb 2026 | $16.9M | $1.8M | $15.1M |
| Jan 2026 | $29.9M | $4.5M | $25.4M |
| Dec 2025 | $23.7M | $6.5M | $17.2M |
| Nov 2025 | $6.7M | $5.2M | $1.5M |
| Oct 2025 | $7.3M | $1.5M | $5.8M |
| Sep 2025 | $8.8M | $1.8M | $7.1M |
| Aug 2025 | $4.3M | $1.6M | $2.7M |
| Jul 2025 | $7.0M | $1.8M | $5.2M |
TRZIX Assets Under Management
Net assets of T. Rowe Price Small-Cap Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $486.84M |
| 2026-03-31 | $354.45M |
| 2025-12-31 | $308.46M |
| 2025-09-30 | $285.03M |
| 2025-06-30 | $239.55M |
| 2025-03-31 | $204.07M |
| 2024-12-31 | $206.20M |
| 2024-09-30 | $191.17M |
| 2024-06-30 | $167.81M |
| 2024-03-31 | $170.84M |
| 2023-12-31 | $148.15M |
| 2023-09-30 | $120.55M |
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.