Compare fund portfolios
See how two funds' portfolios overlap. Enter two tickers:
ISTB vs IUSB
Shared holdings
6847
ISTB covered by IUSB
37.11%
IUSB covered by ISTB
37.11%
Coverage = share of one portfolio's weight reproduced by the other (overlapping positions, min weight). Top 50 positions per side shown; = held by both — hover a shared position to highlight it in both columns.
ISTB (Jan. 31, 2026)
| Security | Weight | |
|---|---|---|
| BlackRock Cash Funds: Treasury, SL Agency Shares | 1.31% | |
| US TREASURY N/B | 1.12% | |
| US TREASURY N/B | 1.00% | |
| US TREASURY N/B | 0.98% | |
| US TREASURY N/B | 0.92% | |
| US TREASURY N/B | 0.87% | |
| US TREASURY N/B | 0.86% | |
| US TREASURY N/B | 0.83% | |
| US TREASURY N/B | 0.81% | |
| US TREASURY N/B | 0.73% | |
| US TREASURY N/B | 0.71% | |
| US TREASURY N/B | 0.71% | |
| US TREASURY N/B | 0.69% | |
| US TREASURY N/B | 0.68% | |
| US TREASURY N/B | 0.66% | |
| US TREASURY N/B | 0.64% | |
| US TREASURY N/B | 0.64% | |
| US TREASURY N/B | 0.63% | |
| US TREASURY N/B | 0.61% | |
| US TREASURY N/B | 0.60% | |
| US TREASURY N/B | 0.60% | |
| US TREASURY N/B | 0.59% | |
| US TREASURY N/B | 0.58% | |
| US TREASURY N/B | 0.56% | |
| US TREASURY N/B | 0.55% | |
| US TREASURY N/B | 0.55% | |
| US TREASURY N/B | 0.54% | |
| US TREASURY N/B | 0.54% | |
| US TREASURY N/B | 0.53% | |
| US TREASURY N/B | 0.53% | |
| US TREASURY N/B | 0.52% | |
| US TREASURY N/B | 0.51% | |
| US TREASURY N/B | 0.51% | |
| US TREASURY N/B | 0.51% | |
| US TREASURY N/B | 0.50% | |
| US TREASURY N/B | 0.50% | |
| US TREASURY N/B | 0.49% | |
| US TREASURY N/B | 0.48% | |
| US TREASURY N/B | 0.47% | |
| US TREASURY N/B | 0.47% | |
| US TREASURY N/B | 0.46% | |
| US TREASURY N/B | 0.46% | |
| US TREASURY N/B | 0.46% | |
| US TREASURY N/B | 0.45% | |
| US TREASURY N/B | 0.45% | |
| US TREASURY N/B | 0.45% | |
| US TREASURY N/B | 0.45% | |
| US TREASURY N/B | 0.44% | |
| US TREASURY N/B | 0.44% | |
| US TREASURY N/B | 0.43% |
IUSB (Jan. 31, 2026)
| Security | Weight | |
|---|---|---|
| Blackrock Liquidity TempCash Inst | 2.30% | |
| BlackRock Cash Funds: Treasury, SL Agency Shares | 0.78% | |
| US TREASURY N/B | 0.38% | |
| US TREASURY N/B | 0.38% | |
| US TREASURY N/B | 0.38% | |
| US TREASURY N/B | 0.38% | |
| US TREASURY N/B | 0.37% | |
| US TREASURY N/B | 0.37% | |
| US TREASURY N/B | 0.35% | |
| US TREASURY N/B | 0.35% | |
| US TREASURY N/B | 0.34% | |
| US TREASURY N/B | 0.34% | |
| FN MA4018 | 0.33% | |
| US TREASURY N/B | 0.33% | |
| US TREASURY N/B | 0.32% | |
| US TREASURY N/B | 0.32% | |
| US TREASURY N/B | 0.31% | |
| US TREASURY N/B | 0.30% | |
| US TREASURY N/B | 0.29% | |
| US TREASURY N/B | 0.28% | |
| US TREASURY N/B | 0.28% | |
| US TREASURY N/B | 0.27% | |
| US TREASURY N/B | 0.27% | |
| US TREASURY N/B | 0.27% | |
| US TREASURY N/B | 0.26% | |
| US TREASURY N/B | 0.26% | |
| US TREASURY N/B | 0.26% | |
| US TREASURY N/B | 0.26% | |
| US TREASURY N/B | 0.26% | |
| US TREASURY N/B | 0.25% | |
| US TREASURY N/B | 0.25% | |
| US TREASURY N/B | 0.25% | |
| US TREASURY N/B | 0.25% | |
| US TREASURY N/B | 0.24% | |
| US TREASURY N/B | 0.24% | |
| US TREASURY N/B | 0.24% | |
| US TREASURY N/B | 0.24% | |
| US TREASURY N/B | 0.24% | |
| US TREASURY N/B | 0.24% | |
| US TREASURY N/B | 0.23% | |
| US TREASURY N/B | 0.23% | |
| US TREASURY N/B | 0.23% | |
| US TREASURY N/B | 0.23% | |
| US TREASURY N/B | 0.22% | |
| US TREASURY N/B | 0.22% | |
| US TREASURY N/B | 0.22% | |
| US TREASURY N/B | 0.22% | |
| G2 MA7192 | 0.22% | |
| US TREASURY N/B | 0.21% | |
| US TREASURY N/B | 0.21% |
Machine-readable: JSON · Markdown. Programmatic access via the agent surface.