September 2026 · struck at the Aug 31, 2026 rebalance
Safe Rate 1-3 Month Bill US Treasury Total Return Index constituents
Every one of the 17 holdings, with the three deductions that set its weight, both prices, and its contribution to the month. The contributions add to the published return, which is what makes a level checkable rather than something to trust.
Check it yourself
- Holdings
- 17
- Weights sum to
- 100.0000%
- Contributions sum to
- +0.297537%
- Market value
- $2.42tn
Both totals are added up on this page from the rows in the table below, not read from a stored figure, a total computed somewhere you cannot see would prove nothing. The check below compares that sum against the published month return for this rebalance, shown as the closed month on the 1-3 Month Bill page, fetched separately. Not against that page’s headline level, which is a daily valuation of these holdings on a later day and is a different figure.
How each weight is set
Par auctioned, less what Treasury has bought back and retired, less what the Federal Reserve holds, gives the float that is actually investable. The two deductions are applied in that order rather than combined: a buyback destroys the debt, while the Federal Reserve only parks it, so merging them would restore retired par the moment quantitative tightening reversed.
| CUSIP | Coupon | Matures | Par auctioned | − Bought back | − Fed held | = Float par | Start dirty | End dirty | Weight | Return | Contribution |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 912797UJ4 | 0.000% | Oct 8, 2026 | $278.78bn | – | $16.21bn | $262.57bn | 99.6177 | 99.9259 | 10.790% | +0.309% | +0.03339% |
| 912797SU2 | 0.000% | Nov 27, 2026 | $228.43bn | – | $14.89bn | $213.54bn | 99.0962 | 99.3683 | 8.729% | +0.275% | +0.02397% |
| 912797SK4 | 0.000% | Oct 29, 2026 | $233.61bn | – | $22.31bn | $211.30bn | 99.3942 | 99.6998 | 8.663% | +0.307% | +0.02663% |
| 912797VK0 | 0.000% | Oct 6, 2026 | $177.37bn | – | $8.36bn | $169.00bn | 99.6412 | 99.9474 | 6.946% | +0.307% | +0.02134% |
| 912797UM7 | 0.000% | Nov 5, 2026 | $181.18bn | – | $12.18bn | $169.00bn | 99.3247 | 99.6199 | 6.924% | +0.297% | +0.02058% |
| 912797UY1 | 0.000% | Nov 12, 2026 | $179.41bn | – | $10.40bn | $169.00bn | 99.2520 | 99.5392 | 6.919% | +0.289% | +0.02002% |
| 912797VM6 | 0.000% | Oct 20, 2026 | $179.66bn | – | $11.89bn | $167.77bn | 99.4923 | 99.7968 | 6.885% | +0.306% | +0.02107% |
| 912797UZ8 | 0.000% | Nov 19, 2026 | $180.37bn | – | $12.59bn | $167.78bn | 99.1793 | 99.4610 | 6.864% | +0.284% | +0.01950% |
| 912797UL9 | 0.000% | Oct 22, 2026 | $180.14bn | – | $13.43bn | $166.71bn | 99.4716 | 99.7754 | 6.841% | +0.305% | +0.02089% |
| 912797UK1 | 0.000% | Oct 15, 2026 | $175.77bn | – | $10.35bn | $165.42bn | 99.5453 | 99.8518 | 6.793% | +0.308% | +0.02091% |
| 912797VL8 | 0.000% | Oct 13, 2026 | $181.04bn | – | $17.59bn | $163.46bn | 99.5683 | 99.8720 | 6.714% | +0.305% | +0.02048% |
| 912797VW4 | 0.000% | Nov 10, 2026 | $76.46bn | – | $5.62bn | $70.83bn | 99.2747 | 99.5633 | 2.901% | +0.291% | +0.00843% |
| 912797VX2 | 0.000% | Nov 17, 2026 | $76.22bn | – | $5.39bn | $70.83bn | 99.2022 | 99.4856 | 2.898% | +0.286% | +0.00828% |
| 912797VP9 | 0.000% | Nov 3, 2026 | $74.70bn | – | $5.11bn | $69.59bn | 99.3455 | 99.6425 | 2.852% | +0.299% | +0.00853% |
| 912797VN4 | 0.000% | Oct 27, 2026 | $74.41bn | – | $5.78bn | $68.63bn | 99.4182 | 99.7219 | 2.815% | +0.305% | +0.00860% |
| 912797VY0 | 0.000% | Nov 24, 2026 | $76.31bn | – | $7.58bn | $68.73bn | 99.1273 | 99.4030 | 2.811% | +0.278% | +0.00782% |
| 912797VZ7 | 0.000% | Dec 1, 2026 | $75.93bn | – | $10.93bn | $65.01bn | 99.0571 | 99.3222 | 2.656% | +0.268% | +0.00711% |
| Total | $2.44tn | 100.000% | +0.29754% | ||||||||
Prices are dirty, clean bid plus accrued, from Treasury's own end-of-day file. A security's return includes coupons received during the month, which are held as cash to the next reconstitution rather than reinvested intra-month. A dash in a deduction column means that security has none.