VCSH vs ISTB: Holdings Overlap
VCSHVanguard Short-term Corporate Bond Index Fund
Vanguard · 3000 holdings · $45.0B · as of 2026-05-31
ISTBiShares Core 1-5 Year USD Bond ETF
iShares · 7059 holdings · $5.1B · as of 2026-04-30
Holdings snapshots are 31 days apart (VCSH: 2026-05-31, 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 VCSH and ISTB?
Vanguard Short-term Corporate Bond Index Fund (VCSH, by Vanguard) holds 3000 positions; iShares Core 1-5 Year USD Bond ETF (ISTB, by iShares) holds 7059. They have 2717 holdings in common, and by portfolio weight the two funds are 16.0% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 16.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 2717VCSH holds 3000 · ISTB holds 7059
- Weight in Shared Holdings
- VCSH 91%·ISTB 17%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 VCSH
283 of 3000 positions (6.7% of the fund) are not held by ISTB. Showing the top 30 by weight.
- US TREASURY N/B0.83%
- Bank of America Corp.0.16%
- Goldman Sachs Group, Inc. (The)0.13%
- Morgan Stanley0.11%
- Orange SA0.10%
- Meta Platforms Inc0.09%
Only in ISTB
4342 of 7059 positions (81.3% of the fund) are not held by VCSH. 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 |
|---|---|---|---|---|---|---|---|
| VCSH | +0.3% | +1.2% | +3.4% | +5.5% | +2.4% | +2.7% | 4.46% |
| 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 VCSH vs ISTB →
Shared Holdings(2717)
The top 10 shared positions account for 2% of the overlap, led by T-Mobile USA, Inc., Bank of America Corp. and Goldman Sachs Group, Inc. (The).
| T-Mobile USA, Inc. | 0.19% | 0.04% | 0.04% |
|---|---|---|---|
| Bank of America Corp. | 0.23% | 0.04% | 0.04% |
| Goldman Sachs Group, Inc. (The) | 0.13% | 0.04% | 0.04% |
| AbbVie, Inc. | 0.21% | 0.04% | 0.04% |
| Amazon.com, Inc. | 0.15% | 0.03% | 0.03% |
| CVS Health Corp. | 0.20% | 0.03% | 0.03% |
| WELLS FARGO and CO NEW 5.574%/VAR 07/25/2029 | 0.18% | 0.03% | 0.03% |
| Goldman Sachs Group, Inc. (The) | 0.03% | 0.04% | 0.03% |
| Boeing Co. (The) | 0.19% | 0.03% | 0.03% |
| Bank of America Corp. | 0.16% | 0.03% | 0.03% |
| Pfizer Investment Enterprises Pte. Ltd. | 0.17% | 0.03% | 0.03% |
| Amazon.com, Inc. | 0.14% | 0.03% | 0.03% |
| Citigroup, Inc. | 0.15% | 0.03% | 0.03% |
| Citigroup, Inc. | 0.11% | 0.03% | 0.03% |
| Amgen, Inc. | 0.17% | 0.03% | 0.03% |
| Salesforce, Inc. | 0.06% | 0.03% | 0.03% |
| Comcast Corp. | 0.13% | 0.03% | 0.03% |
| Goldman Sachs Group, Inc. (The) | 0.09% | 0.03% | 0.03% |
| Morgan Stanley | 0.15% | 0.03% | 0.03% |
| WELLS FARGO and CO NEW 5.15%/VAR 04/23/2031 | 0.11% | 0.02% | 0.02% |
| Deutsche Telekom International Finance BV | 0.14% | 0.02% | 0.02% |
| Meta Platforms, Inc. | 0.13% | 0.02% | 0.02% |
| JPMORGAN CHASE and CO 2.739%/VAR 10/15/2030 | 0.14% | 0.02% | 0.02% |
| Verizon Communications, Inc. | 0.14% | 0.02% | 0.02% |
| AerCap Ireland Capital DAC / AerCap Global Aviation Trust | 0.16% | 0.02% | 0.02% |
Showing the top 250 of 2717 shared holdings by overlap weight.
Frequently Asked Questions
How much do VCSH and ISTB overlap?
VCSH and ISTB overlap by 16.0% of portfolio weight. They share 2717 holdings (VCSH holds 3000 positions and ISTB holds 7059), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VCSH and ISTB?
The two portfolios are 16.0% 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 VCSH and ISTB?
The largest positions held by both funds are T-Mobile USA, Inc., Bank of America Corp., Goldman Sachs Group, Inc. (The), AbbVie, Inc. and Amazon.com, Inc.. Together the top 10 shared positions account for 2% of the total overlap.
What does VCSH own that ISTB doesn't?
283 positions (6.7% of VCSH) are unique to VCSH, led by US TREASURY N/B, Bank of America Corp. and Goldman Sachs Group, Inc. (The). In the other direction, 4342 positions (81.3% of ISTB) are unique to ISTB.