# IUSB holdings: 18,255 positions

> IUSB holds 18,255 positions as of Oct 13, 2026. The largest is BLK Liquidity Temp Cash Inst #21 at 4.82%. Download the full list as a CSV.

Data as of Oct 13, 2026. Rebuilt every trading night.

IUSB held 18,255 positions as of Oct 13, 2026. BLK Liquidity Temp Cash Inst #21 is the largest at 4.82%; the top 10 are 8.3% of the fund.

Source: iShares (BlackRock) (https://www.ishares.com/us/products/264615/x/latest-holdings.csv).

| # | Holding | Ticker | Weight |
| --- | --- | --- | --- |
| 1 | BLK Liquidity Temp Cash Inst #21 |  | 4.82% |
| 2 | Treasury Note |  | 0.50% |
| 3 | Treasury Note |  | 0.42% |
| 4 | Treasury Note |  | 0.41% |
| 5 | Treasury Note |  | 0.39% |
| 6 | Treasury Note |  | 0.38% |
| 7 | Treasury Note (2OLD) |  | 0.36% |
| 8 | Umbs 15YR Tba(reg B) |  | 0.36% |
| 9 | Umbs 30YR Tba(reg A) |  | 0.34% |
| 10 | Treasury Note (old) |  | 0.34% |
| 11 | Treasury Note |  | 0.33% |
| 12 | Treasury Note |  | 0.33% |
| 13 | Treasury Note |  | 0.33% |
| 14 | Treasury Note (old) |  | 0.33% |
| 15 | Treasury Note |  | 0.33% |
| 16 | Treasury Note |  | 0.33% |
| 17 | Treasury Note |  | 0.33% |
| 18 | Treasury Note |  | 0.32% |
| 19 | Treasury Note |  | 0.32% |
| 20 | Treasury Note |  | 0.32% |
| 21 | Treasury Note |  | 0.32% |
| 22 | Umbs 30YR Tba(reg A) |  | 0.31% |
| 23 | Treasury Note |  | 0.31% |
| 24 | Treasury Note |  | 0.31% |
| 25 | Treasury Note |  | 0.30% |
| | BLK Csh Fnd Treasury Sl Agency | | 0.00% |
| | EUR Cash | | 0.00% |
| | USD Cash | | −4.10% |
| | Cash and other net assets | | −0.53% |

The largest 25 of 18,255 positions are shown. All of them: https://etfiq.com/funds/iusb/holdings/iusb-holdings.csv (CSV) or https://etfiq.com/data/books/iusb.json (JSON).

Fund page: https://etfiq.com/funds/iusb

Cite: ETFIQ, Holdings of IUSB, data as of Oct 13, 2026. https://etfiq.com/funds/iusb/holdings/