SHY vs VGSH: Holdings Overlap
SHYiShares 1-3 Year Treasury Bond ETF
iShares · 89 holdings · $25.2B · as of 2026-05-31
VGSHVanguard Short-term Treasury Index Fund
Vanguard · 91 holdings · $30.2B · as of 2026-05-31
How similar are SHY and VGSH?
iShares 1-3 Year Treasury Bond ETF (SHY, by iShares) holds 89 positions; Vanguard Short-term Treasury Index Fund (VGSH, by Vanguard) holds 91. They have 89 holdings in common, and by portfolio weight the two funds are 87.7% identical. In practical terms the pair is essentially interchangeable, so holding both adds little diversification.
- Overlap by Weight
- 87.7%Sum of the smaller weight of each shared holding
- Shared Holdings
- 89SHY holds 89 · VGSH holds 91
- Weight in Shared Holdings
- SHY 99%·VGSH 97%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 SHY
Every position in SHY is also held by VGSH, so it brings nothing the other fund doesn’t already own.
Only in VGSH
2 of 91 positions (2.5% of the fund) are not held by SHY.
- U.S. Treasury Notes1.35%
- U.S. Treasury Notes1.20%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| SHY | +0.4% | +1.0% | +2.8% | +4.2% | +1.8% | +1.7% | 3.63% |
| VGSH | +0.4% | +1.0% | +2.9% | +4.3% | +1.9% | +1.8% | 3.82% |
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 SHY vs VGSH →
Shared Holdings(89)
The top 10 shared positions account for 15% of the overlap, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes.
| U.S. Treasury Notes | 1.71% | 2.24% | 1.71% |
|---|---|---|---|
| U.S. Treasury Notes | 1.52% | 1.40% | 1.40% |
| U.S. Treasury Notes | 1.36% | 1.29% | 1.29% |
| U.S. Treasury Notes | 1.29% | 1.31% | 1.29% |
| U.S. Treasury Notes | 1.84% | 1.26% | 1.26% |
| U.S. Treasury Notes | 1.48% | 1.26% | 1.26% |
| U.S. Treasury Notes | 1.28% | 1.25% | 1.25% |
| U.S. Treasury Notes | 1.34% | 1.25% | 1.25% |
| U.S. Treasury Notes | 1.35% | 1.25% | 1.25% |
| U.S. Treasury Notes | 1.25% | 1.23% | 1.23% |
| U.S. Treasury Notes | 1.43% | 1.23% | 1.23% |
| U.S. Treasury Notes | 1.34% | 1.22% | 1.22% |
| U.S. Treasury Notes | 1.33% | 1.20% | 1.20% |
| U.S. Treasury Notes | 1.24% | 1.19% | 1.19% |
| U.S. Treasury Notes | 1.40% | 1.19% | 1.19% |
| U.S. Treasury Notes | 1.35% | 1.19% | 1.19% |
| U.S. Treasury Notes | 1.29% | 1.19% | 1.19% |
| U.S. Treasury Notes | 1.27% | 1.18% | 1.18% |
| U.S. Treasury Notes | 1.38% | 1.18% | 1.18% |
| U.S. Treasury Notes | 1.96% | 1.18% | 1.18% |
| U.S. Treasury Notes | 1.18% | 1.18% | 1.18% |
| U.S. Treasury Notes | 1.33% | 1.18% | 1.18% |
| U.S. Treasury Notes | 1.34% | 1.17% | 1.17% |
| U.S. Treasury Notes | 1.38% | 1.17% | 1.17% |
| U.S. Treasury Notes | 1.16% | 1.19% | 1.16% |
Frequently Asked Questions
How much do SHY and VGSH overlap?
SHY and VGSH overlap by 87.7% of portfolio weight. They share 89 holdings (SHY holds 89 positions and VGSH holds 91), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SHY and VGSH?
The two portfolios are 87.7% identical by weight. Owning both is largely redundant: they are close to the same portfolio, so a second position mostly duplicates the first.
What are the biggest shared holdings of SHY and VGSH?
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 15% of the total overlap.
What does SHY own that VGSH doesn't?
Nothing. Every position in SHY is also held by VGSH. In the other direction, 2 positions (2.5% of VGSH) are unique to VGSH.