TRBIX Performance — Nuveen Small Cap Blend Index Fund, Retirement Class
Data updated: 2026-09-25
TRBIX returned +18.74% year to date and +32.04% over one year to Jul 2026. Annualised returns are +14.30% over 3 years and +6.62% over 5 years. The fund beat its US Small Blend category average: $100 invested three years ago grew to $149, against $146 for the category, and to $132 over one year, against $129. Volatility over the past three years was 19.81% a year. In the 12 months to Jul 2026 the fund lost a net $245.9M, and assets reached $4.07B.
TRBIX Growth of $100
What $100 invested in Nuveen Small Cap Blend 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 | TRBIX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $132 | $129 |
| 3 years (Aug 2023 – Jul 2026) | $149 | $146 |
| 5 years (Aug 2021 – Jul 2026) | $138 | $141 |
| Since data start (Aug 2019 – Jul 2026) | $199 | $204 |
TRBIX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +18.74% |
| 1 year | +32.04% |
| 3 years (annualised) | +14.30% |
| 5 years (annualised) | +6.62% |
TRBIX Annual Returns
Calendar-year total returns of Nuveen Small Cap Blend Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +18.74% |
| 2025 | +10.97% |
| 2024 | +11.28% |
| 2023 | +16.74% |
| 2022 | −20.49% |
| 2021 | +14.55% |
| 2020 | +19.86% |
| 2019 (Aug–Dec) | +6.59% |
TRBIX 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% | −3.0% | — | — | — | — | — |
| 2025 | +2.6% | −5.4% | −6.8% | −2.3% | +5.3% | +5.4% | +1.7% | +5.6% | +3.1% | +1.7% | +1.0% | −0.6% |
| 2024 | −3.9% | +5.6% | +3.6% | −7.0% | +5.0% | −0.9% | +10.1% | −1.5% | +0.7% | −1.5% | +10.9% | −8.3% |
| 2023 | +9.7% | −1.7% | −4.8% | −1.8% | −1.0% | +8.1% | +6.1% | −5.0% | −5.9% | −6.8% | +9.0% | +12.2% |
| 2022 | −9.6% | +1.1% | +1.2% | −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% | −3.0% | +4.3% | −4.2% | +2.2% |
| 2020 | −3.2% | −8.4% | −21.7% | +13.7% | +6.5% | +3.5% | +2.8% | +5.6% | −3.3% | +2.1% | +18.3% | +8.6% |
| 2019 | — | — | — | — | — | — | — | −5.0% | +2.1% | +2.6% | +4.1% | +2.8% |
TRBIX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 19.81%
- 3-year Sharpe ratio: 0.49 (vs 4.5% risk-free rate)
- Best month: +12.17% (Dec 2023)
- Worst month: −8.28% (Dec 2024)
TRBIX Fund Flows
Monthly money in and out of Nuveen Small Cap Blend Index Fund, from SEC Form N-PORT.
- 12-month net flow: −$245.9M
- 12-month gross sales (incl. reinvestments): $431.7M
- Sales ÷ redemptions: 0.64×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $21.2M | $76.9M | −$55.7M |
| Jun 2026 | $57.6M | $47.9M | $9.7M |
| May 2026 | $23.0M | $57.7M | −$34.7M |
| Apr 2026 | $23.9M | $46.8M | −$22.9M |
| Mar 2026 | $23.7M | $45.2M | −$21.5M |
| Feb 2026 | $18.0M | $37.8M | −$19.9M |
| Jan 2026 | $20.5M | $63.6M | −$43.1M |
| Dec 2025 | $159.9M | $50.3M | $109.6M |
| Nov 2025 | $17.0M | $64.7M | −$47.7M |
| Oct 2025 | $21.6M | $55.7M | −$34.1M |
| Sep 2025 | $26.9M | $84.4M | −$57.5M |
| Aug 2025 | $18.3M | $46.6M | −$28.2M |
TRBIX Assets Under Management
Net assets of Nuveen Small Cap Blend Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $4.07B |
| 2026-04-30 | $3.95B |
| 2026-01-31 | $3.74B |
| 2025-10-31 | $3.66B |
| 2025-07-31 | $3.37B |
| 2025-04-30 | $2.97B |
| 2025-01-31 | $3.61B |
| 2024-10-31 | $3.52B |
| 2024-07-31 | $3.67B |
| 2024-04-30 | $3.26B |
| 2024-01-31 | $3.25B |
| 2023-10-31 | $2.79B |
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.