TBIAX Holdings — Nuveen Bond Index Fund
Data updated: 2026-08-27
TBIAX holds 8,884 securities. The top 10 make up 6.5% of net assets, led by United States Treasury Note (0.82%) and United States Treasury Note (0.81%). Government Bonds (46.8%) and Corporate Bonds (26.3%) are the largest sectors, and 93.4% of the portfolio is in United States. Debt holdings: 6,937 positions, 73.2% of assets.
Holdings cover 100.09% of net asset value (99.20% of total assets; remainder is cash and receivables). As of June 30, 2026 · N-PORT.
TBIAX Portfolio Holdings
8,884 holdings of Nuveen Bond Index Fund by percentage of net assets, from the fund's SEC N-PORT filing as of June 30, 2026. The 100 largest are listed below; the interactive table on this page lists all 8,884.
| Holding | Ticker | Sector | % of net assets | Value (USD) |
|---|---|---|---|---|
| United States Treasury Note | — | Government Bonds | 0.82% | $188.72M |
| United States Treasury Note | — | Government Bonds | 0.81% | $186.28M |
| United States Treasury Note/Bond | — | Government Bonds | 0.71% | $163.47M |
| United States Treasury Note/Bond | — | Government Bonds | 0.71% | $162.90M |
| United States Treasury Note | — | Government Bonds | 0.69% | $157.96M |
| United States Treasury Note/Bond | — | Government Bonds | 0.59% | $136.61M |
| United States Treasury Note/Bond | — | Government Bonds | 0.59% | $135.85M |
| United States Treasury Note/Bond | — | Government Bonds | 0.56% | $127.99M |
| United States Treasury Note | — | Government Bonds | 0.53% | $121.12M |
| United States Treasury Note/Bond | — | Government Bonds | 0.52% | $120.10M |
| United States Treasury Note/Bond | — | Government Bonds | 0.52% | $119.48M |
| United States Treasury Note | — | Government Bonds | 0.50% | $116.14M |
| United States Treasury Note/Bond | — | Government Bonds | 0.50% | $114.86M |
| United States Treasury Note/Bond | — | Government Bonds | 0.49% | $112.73M |
| United States Treasury Note | — | Government Bonds | 0.48% | $110.33M |
| United States Treasury Note/Bond | — | Government Bonds | 0.47% | $109.37M |
| United States Treasury Note | — | Government Bonds | 0.47% | $108.73M |
| United States Treasury Note/Bond | — | Government Bonds | 0.47% | $107.74M |
| United States Treasury Note/Bond | — | Government Bonds | 0.46% | $106.92M |
| United States Treasury Note | — | Government Bonds | 0.45% | $104.44M |
| United States Treasury Note | — | Government Bonds | 0.44% | $100.88M |
| United States Treasury Note/Bond | — | Government Bonds | 0.43% | $99.51M |
| United States Treasury Note | — | Government Bonds | 0.43% | $99.29M |
| United States Treasury Note | — | Government Bonds | 0.42% | $97.27M |
| United States Treasury Note | — | Government Bonds | 0.42% | $96.65M |
| Fannie Mae Pool | — | Mortgage / Securitized | 0.42% | $96.20M |
| United States Treasury Note/Bond | — | Government Bonds | 0.41% | $95.19M |
| United States Treasury Note | — | Government Bonds | 0.41% | $94.67M |
| United States Treasury Note | — | Government Bonds | 0.39% | $90.25M |
| United States Treasury Note | — | Government Bonds | 0.39% | $89.51M |
| United States Treasury Note/Bond | — | Government Bonds | 0.38% | $88.07M |
| United States Treasury Note/Bond | — | Government Bonds | 0.38% | $87.60M |
| United States Treasury Note | — | Government Bonds | 0.38% | $86.68M |
| United States Treasury Note/Bond | — | Government Bonds | 0.37% | $85.97M |
| State Street Navigator Securities Lending Government Money Market Portfolio | — | Funds & ETFs | 0.37% | $85.81M |
| United States Treasury Note/Bond | — | Government Bonds | 0.37% | $85.77M |
| United States Treasury Note/Bond | — | Government Bonds | 0.37% | $84.14M |
| United States Treasury Note/Bond | — | Government Bonds | 0.36% | $83.01M |
| United States Treasury Note/Bond | — | Government Bonds | 0.36% | $82.42M |
| United States Treasury Note | — | Government Bonds | 0.36% | $82.11M |
| United States Treasury Note/Bond | — | Government Bonds | 0.35% | $80.99M |
| United States Treasury Note/Bond | — | Government Bonds | 0.35% | $80.94M |
| United States Treasury Note/Bond | — | Government Bonds | 0.35% | $80.91M |
| United States Treasury Note | — | Government Bonds | 0.35% | $80.37M |
| United States Treasury Note | — | Government Bonds | 0.35% | $79.61M |
| United States Treasury Note/Bond | — | Government Bonds | 0.34% | $78.96M |
| United States Treasury Note/Bond | — | Government Bonds | 0.34% | $77.73M |
| Fannie Mae Pool | — | Mortgage / Securitized | 0.34% | $77.41M |
| United States Treasury Note | — | Government Bonds | 0.33% | $76.73M |
| United States Treasury Note/Bond | — | Government Bonds | 0.33% | $75.12M |
| United States Treasury Note | — | Government Bonds | 0.32% | $74.42M |
| United States Treasury Note/Bond | — | Government Bonds | 0.32% | $74.26M |
| United States Treasury Note/Bond | — | Government Bonds | 0.32% | $74.06M |
| United States Treasury Note/Bond | — | Government Bonds | 0.32% | $73.78M |
| Fixed Income Clearing Corporation | — | Unknown | 0.31% | $72.19M |
| United States Treasury Note/Bond | — | Government Bonds | 0.31% | $71.39M |
| United States Treasury Note/Bond | — | Government Bonds | 0.31% | $71.28M |
| United States Treasury Note/Bond | — | Government Bonds | 0.31% | $70.48M |
| United States Treasury Note | — | Government Bonds | 0.30% | $69.47M |
| United States Treasury Note | — | Government Bonds | 0.30% | $69.02M |
| United States Treasury Note/Bond | — | Government Bonds | 0.29% | $65.74M |
| Fannie Mae Pool | — | Mortgage / Securitized | 0.28% | $65.56M |
| United States Treasury Note | — | Government Bonds | 0.28% | $64.96M |
| United States Treasury Note/Bond | — | Government Bonds | 0.28% | $64.96M |
| United States Treasury Note/Bond | — | Government Bonds | 0.28% | $64.68M |
| United States Treasury Note/Bond | — | Government Bonds | 0.28% | $64.48M |
| United States Treasury Note | — | Government Bonds | 0.27% | $61.67M |
| Fannie Mae Pool | — | Mortgage / Securitized | 0.26% | $60.98M |
| United States Treasury Note | — | Government Bonds | 0.26% | $60.39M |
| United States Treasury Note/Bond | — | Government Bonds | 0.26% | $60.15M |
| United States Treasury Note | — | Government Bonds | 0.26% | $59.94M |
| Fannie Mae Pool | — | Mortgage / Securitized | 0.26% | $59.62M |
| United States Treasury Note/Bond | — | Government Bonds | 0.26% | $59.12M |
| United States Treasury Note/Bond | — | Government Bonds | 0.25% | $58.41M |
| United States Treasury Note | — | Government Bonds | 0.25% | $58.36M |
| United States Treasury Note/Bond | — | Government Bonds | 0.25% | $57.98M |
| United States Treasury Note/Bond | — | Government Bonds | 0.24% | $56.22M |
| United States Treasury Note/Bond | — | Government Bonds | 0.24% | $55.77M |
| United States Treasury Note/Bond | — | Government Bonds | 0.24% | $55.56M |
| United States Treasury Note/Bond | — | Government Bonds | 0.24% | $55.40M |
| Fannie Mae Pool | — | Mortgage / Securitized | 0.24% | $54.54M |
| United States Treasury Note/Bond | — | Government Bonds | 0.24% | $54.54M |
| Fannie Mae Pool | — | Mortgage / Securitized | 0.23% | $53.73M |
| United States Treasury Note/Bond | — | Government Bonds | 0.23% | $53.21M |
| United States Treasury Note/Bond | — | Government Bonds | 0.23% | $53.08M |
| Fannie Mae Pool | — | Mortgage / Securitized | 0.22% | $51.58M |
| United States Treasury Note/Bond | — | Government Bonds | 0.22% | $50.18M |
| Fixed Income Clearing Corporation | FICCNT | Unknown | 0.22% | $50.00M |
| Ginnie Mae II Pool | — | Mortgage / Securitized | 0.22% | $49.56M |
| United States Treasury Note/Bond | — | Government Bonds | 0.21% | $49.52M |
| United States Treasury Note | — | Government Bonds | 0.21% | $49.38M |
| United States Treasury Note/Bond | — | Government Bonds | 0.21% | $49.03M |
| United States Treasury Note/Bond | — | Government Bonds | 0.21% | $48.92M |
| United States Treasury Note | — | Government Bonds | 0.21% | $48.61M |
| United States Treasury Note/Bond | — | Government Bonds | 0.21% | $48.22M |
| United States Treasury Note/Bond | — | Government Bonds | 0.21% | $48.10M |
| United States Treasury Note/Bond | — | Government Bonds | 0.21% | $48.08M |
| Fannie Mae Pool | — | Mortgage / Securitized | 0.21% | $47.82M |
| United States Treasury Note/Bond | — | Government Bonds | 0.21% | $47.83M |
| United States Treasury Note/Bond | — | Government Bonds | 0.21% | $47.72M |
TBIAX Sector Allocation
Nuveen Bond Index Fund holdings grouped by sector, by share of the portfolio's market value.
| Sector | Weight | Holdings |
|---|---|---|
| Government Bonds | 46.8% | 470 |
| Corporate Bonds | 26.3% | 6251 |
| Mortgage / Securitized | 25.3% | 1927 |
| Municipal Bonds | 0.7% | 226 |
| Funds & ETFs | 0.4% | 1 |
| Industrials | 0.1% | 5 |
| Unknown | 0.5% | 4 |
TBIAX Country Allocation
Where Nuveen Bond Index Fund's holdings are domiciled, by percentage of net assets (largest 15).
| Country | % of net assets |
|---|---|
| United States | 93.4% |
| Unknown | 1.3% |
| Canada | 1.1% |
| United Kingdom | 0.8% |
| Japan | 0.6% |
| Mexico | 0.3% |
| Germany | 0.3% |
| Australia | 0.2% |
| Netherlands | 0.2% |
| South Korea | 0.1% |
| Spain | 0.1% |
| Philippines | 0.1% |
| Ireland | 0.1% |
| Singapore | 0.1% |
| Indonesia | 0.1% |
TBIAX Portfolio Allocation
Asset-class allocation of Nuveen Bond Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 73.8% |
| Securitized | 25.3% |
| Cash & Equivalents | 0.9% |
TBIAX Debt Constituents
Largest debt holdings of Nuveen Bond Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury Note/Bond | 0.82% |
| United States Treasury Note/Bond | 0.81% |
| United States Treasury Note/Bond | 0.71% |
| US Treasury N/b | 0.71% |
| United States Treasury Note/Bond | 0.69% |
| United States Treasury Note/Bond | 0.59% |
| United States Treasury Note/Bond | 0.59% |
| US Treasury N/b | 0.56% |
| United States Treasury Note/Bond | 0.53% |
| US Treasury N/b | 0.52% |
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.