TBILX Performance — Nuveen Bond Index Fund, Class A
Data updated: 2026-08-27
TBILX returned +0.57% year to date and +3.30% over one year to Jun 2026. Annualised returns are +3.75% over 3 years and −0.33% over 5 years. The fund trailed its Intermediate Core Bond category average: $100 invested three years ago grew to $112, against $115 for the category, and to $103 over one year, against $104. Volatility over the past three years was 5.52% a year. In the 12 months to Jun 2026 the fund lost a net $1.9B, and assets reached $23.03B.
TBILX Growth of $100
What $100 invested in Nuveen Bond Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Core Bond category average over the same months.
| Period | TBILX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $103 | $104 |
| 3 years (Jul 2023 – Jun 2026) | $112 | $115 |
| 5 years (Jul 2021 – Jun 2026) | $98 | $102 |
| Since data start (Jul 2019 – Jun 2026) | $106 | $112 |
TBILX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.57% |
| 1 year | +3.30% |
| 3 years (annualised) | +3.75% |
| 5 years (annualised) | −0.33% |
TBILX Annual Returns
Calendar-year total returns of Nuveen Bond Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +0.57% |
| 2025 | +6.63% |
| 2024 | +0.99% |
| 2023 | +5.30% |
| 2022 | −13.47% |
| 2021 | −2.14% |
| 2020 | +7.25% |
| 2019 (Jul–Dec) | +2.06% |
TBILX 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 | +0.2% | +1.6% | −1.8% | +0.1% | +0.3% | +0.2% | — | — | — | — | — | — |
| 2025 | +0.6% | +2.2% | 0.0% | +0.3% | −0.7% | +1.5% | −0.2% | +0.9% | +1.1% | +0.5% | +0.7% | −0.3% |
| 2024 | −0.2% | −1.4% | +0.8% | −2.5% | +1.7% | +0.9% | +2.4% | +1.4% | +1.3% | −2.5% | +1.0% | −1.7% |
| 2023 | +3.2% | −2.6% | +2.5% | +0.6% | −1.1% | −0.4% | −0.1% | −0.6% | −2.5% | −1.7% | +4.5% | +3.8% |
| 2022 | −2.1% | −1.2% | −2.7% | −3.9% | +0.6% | −1.6% | +2.5% | −2.9% | −4.4% | −1.3% | +3.7% | −0.7% |
| 2021 | −0.7% | −1.5% | −1.3% | +0.8% | +0.2% | +0.7% | +1.1% | −0.2% | −0.9% | −0.1% | +0.2% | −0.4% |
| 2020 | +2.1% | +1.7% | −0.5% | +1.6% | +0.6% | +0.6% | +1.4% | −0.9% | 0.0% | −0.5% | +1.0% | +0.1% |
| 2019 | — | — | — | — | — | — | +0.2% | +2.6% | −0.5% | +0.2% | −0.1% | −0.3% |
TBILX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 5.52%
- 3-year Sharpe ratio: -0.14 (vs 4.5% risk-free rate)
- Best month: +4.48% (Nov 2023)
- Worst month: −2.53% (Sep 2023)
TBILX Fund Flows
Monthly money in and out of Nuveen Bond Index Fund, from SEC Form N-PORT.
- 12-month net flow: −$1.9B
- 12-month gross sales (incl. reinvestments): $5.1B
- Sales ÷ redemptions: 0.73×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $840.8M | $79.8M | $761.0M |
| May 2026 | $1.2B | $71.5M | $1.1B |
| Apr 2026 | $166.2M | $362.6M | −$196.4M |
| Mar 2026 | $178.7M | $657.6M | −$478.9M |
| Feb 2026 | $438.4M | $76.2M | $362.3M |
| Jan 2026 | $136.3M | $835.7M | −$699.4M |
| Dec 2025 | $211.9M | $1.6B | −$1.4B |
| Nov 2025 | $162.8M | $1.6B | −$1.4B |
| Oct 2025 | $196.1M | $879.1M | −$683.1M |
| Sep 2025 | $461.3M | $713.4M | −$252.0M |
| Aug 2025 | $339.0M | $114.3M | $224.6M |
| Jul 2025 | $791.2M | $95.4M | $695.8M |
TBILX Assets Under Management
Net assets of Nuveen Bond Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $23.03B |
| 2026-03-31 | $21.39B |
| 2025-12-31 | $22.39B |
| 2025-09-30 | $25.86B |
| 2025-06-30 | $24.90B |
| 2025-03-31 | $26.68B |
| 2024-12-31 | $26.11B |
| 2024-09-30 | $26.15B |
| 2024-06-30 | $23.94B |
| 2024-03-31 | $23.47B |
| 2023-12-31 | $22.64B |
| 2023-09-30 | $20.90B |
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.