SCHO vs ISTB: Holdings Overlap
SCHOSchwab Short-Term U.S. Treasury ETF
Schwab · 96 holdings · $12.9B · as of 2026-03-31
ISTBiShares Core 1-5 Year USD Bond ETF
iShares · 7059 holdings · $5.1B · as of 2026-04-30
Holdings snapshots are 30 days apart (SCHO: 2026-03-31, ISTB: 2026-04-30). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are SCHO and ISTB?
Schwab Short-Term U.S. Treasury ETF (SCHO, by Schwab) holds 96 positions; iShares Core 1-5 Year USD Bond ETF (ISTB, by iShares) holds 7059. They have 84 holdings in common, and by portfolio weight the two funds are 27.6% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 27.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 84SCHO holds 96 · ISTB holds 7059
- Weight in Shared Holdings
- SCHO 92%·ISTB 28%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in SCHO
12 of 96 positions (7.1% of the fund) are not held by ISTB.
- U.S. Treasury Notes1.37%
- U.S. Treasury Notes1.14%
- U.S. Treasury Notes1.11%
- U.S. Treasury Notes1.00%
- U.S. Treasury Notes0.83%
- U.S. Treasury Notes0.60%
Only in ISTB
6975 of 7059 positions (71.0% of the fund) are not held by SCHO. Showing the top 30 by weight.
- U.S. Treasury Notes0.99%
- U.S. Treasury Notes0.98%
- U.S. Treasury Notes0.96%
- U.S. Treasury Notes0.91%
- U.S. Treasury Notes0.89%
- U.S. Treasury Notes0.86%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| SCHO | +0.3% | +1.0% | +2.8% | +4.3% | +1.9% | +1.8% | 3.87% |
| ISTB | +0.3% | +1.0% | +3.0% | +5.0% | +1.9% | +2.3% | 4.27% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in SCHO vs ISTB →
Shared Holdings(84)
The top 10 shared positions account for 21% of the overlap, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes.
| U.S. Treasury Notes | 1.38% | 0.73% | 0.73% |
|---|---|---|---|
| U.S. Treasury Notes | 1.37% | 0.62% | 0.62% |
| U.S. Treasury Notes | 1.38% | 0.60% | 0.60% |
| U.S. Treasury Notes | 1.29% | 0.59% | 0.59% |
| U.S. Treasury Notes | 1.16% | 0.58% | 0.58% |
| U.S. Treasury Notes | 1.16% | 0.57% | 0.57% |
| U.S. Treasury Notes | 1.15% | 0.55% | 0.55% |
| U.S. Treasury Notes | 1.17% | 0.55% | 0.55% |
| U.S. Treasury Notes | 1.22% | 0.52% | 0.52% |
| U.S. Treasury Notes | 1.22% | 0.50% | 0.50% |
| U.S. Treasury Notes | 1.15% | 0.50% | 0.50% |
| U.S. Treasury Notes | 0.99% | 0.49% | 0.49% |
| U.S. Treasury Notes | 0.94% | 0.48% | 0.48% |
| U.S. Treasury Notes | 1.16% | 0.47% | 0.47% |
| U.S. Treasury Notes | 1.05% | 0.47% | 0.47% |
| U.S. Treasury Notes | 0.87% | 0.46% | 0.46% |
| U.S. Treasury Notes | 2.22% | 0.46% | 0.46% |
| U.S. Treasury Notes | 1.17% | 0.45% | 0.45% |
| U.S. Treasury Notes | 0.95% | 0.45% | 0.45% |
| U.S. Treasury Notes | 1.22% | 0.45% | 0.45% |
| U.S. Treasury Notes | 0.90% | 0.45% | 0.45% |
| U.S. Treasury Notes | 1.06% | 0.45% | 0.45% |
| U.S. Treasury Notes | 0.86% | 0.43% | 0.43% |
| U.S. Treasury Notes | 0.86% | 0.43% | 0.43% |
| U.S. Treasury Notes | 0.85% | 0.42% | 0.42% |
Frequently Asked Questions
How much do SCHO and ISTB overlap?
SCHO and ISTB overlap by 27.6% of portfolio weight. They share 84 holdings (SCHO holds 96 positions and ISTB holds 7059), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SCHO and ISTB?
The two portfolios are 27.6% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of SCHO and ISTB?
The largest positions held by both funds are U.S. Treasury Notes, U.S. Treasury Notes, U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes. Together the top 10 shared positions account for 21% of the total overlap.
What does SCHO own that ISTB doesn't?
12 positions (7.1% of SCHO) are unique to SCHO, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes. In the other direction, 6975 positions (71.0% of ISTB) are unique to ISTB.