# iShares Total USD Fixed Income Market ETF (BTOT) — Holdings

BTOT · NYSE · Fund

Canonical page: https://www.lighthorse.io/tickers/btot/holdings

## Top holdings (as of Oct 14, 2026)

The 10 largest positions make up 14.1% of the fund. Want full holdings data source? [Register at AInvest](https://www.ainvest.com/etfs/NYSE-BTOT/holdings/).

| Ticker | Weight |
| --- | --- |
| Other | 5.19% |
| FNMA 30yr Pool#MA4562 2.000% 01-Mar-2052 2.0% 01-MAR-2052 | 1.85% |
| FHLMC 30yr Pool#SD8212 2.500% 01-May-2052 2.5% 01-MAY-2052 | 1.13% |
| Benchmark 2025-V18 Mortgage Trust  A3 5.18365% 15-OCT-2058 | 1.03% |
| United States Treasury Notes 4.875% 31-OCT-2030 | 0.94% |
| United States Treasury Notes 4.0% 30-APR-2032 | 0.85% |
| United States Treasury Notes 4.0% 31-JUL-2032 | 0.84% |
| FNMA 30yr Pool#FS7879 2.500% 01-Jul-2052 2.5% 01-JUL-2052 | 0.82% |
| United States Treasury Notes 1.875% 15-FEB-2032 | 0.75% |
| UMBS TBA 15yr 2% November Delivery 2.000% 01-SEP-2036 | 0.73% |

## Frequently Asked Questions

### What are the top holdings of BTOT?

As of Oct 14, 2026, the largest positions in iShares Total USD Fixed Income Market ETF are Other (5.2%), FNMA 30yr Pool#MA4562 2.000% 01-Mar-2052 2.0% 01-MAR-2052 (1.8%), FHLMC 30yr Pool#SD8212 2.500% 01-May-2052 2.5% 01-MAY-2052 (1.1%), Benchmark 2025-V18 Mortgage Trust  A3 5.18365% 15-OCT-2058 (1.0%), United States Treasury Notes 4.875% 31-OCT-2030 (0.9%).

### How concentrated is BTOT?

The 10 largest positions make up 14.1% of iShares Total USD Fixed Income Market ETF, as reported on Oct 14, 2026.

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Fund holdings are reported periodically and are a snapshot of a past date, not a live position list — what the fund holds today may differ. Weights cover only the largest positions shown, not the whole portfolio.

This page is for informational purposes only. Nothing on it is a recommendation, solicitation or offer to buy or sell any security, nor investment, legal or tax advice. Light Horse Securities Inc does not verify third-party data and is not responsible for its accuracy, completeness or timeliness.

Data provided by [AInvest](https://www.ainvest.com).