SHY vs BSV: Holdings Overlap
SHYiShares 1-3 Year Treasury Bond ETF
iShares · 89 holdings · $25.2B · as of 2026-05-31
BSVVanguard Short-term Bond Index Fund
Vanguard · 3156 holdings · $45.6B · as of 2026-03-31
Holdings snapshots are 61 days apart (SHY: 2026-05-31, BSV: 2026-03-31). 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 SHY and BSV?
iShares 1-3 Year Treasury Bond ETF (SHY, by iShares) holds 89 positions; Vanguard Short-term Bond Index Fund (BSV, by Vanguard) holds 3156. They have 87 holdings in common, and by portfolio weight the two funds are 38.6% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 38.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 87SHY holds 89 · BSV holds 3156
- Weight in Shared Holdings
- SHY 97%·BSV 40%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
2 of 89 positions (1.7% of the fund) are not held by BSV.
- U.S. Treasury Notes0.99%
- U.S. Treasury Notes0.71%
Only in BSV
3069 of 3156 positions (58.2% of the fund) are not held by SHY. Showing the top 30 by weight.
- U.S. Treasury Notes0.92%
- U.S. Treasury Notes0.82%
- U.S. Treasury Notes0.80%
- U.S. Treasury Notes0.79%
- U.S. Treasury Notes0.78%
- U.S. Treasury Notes0.78%
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% |
| BSV | +0.3% | +0.7% | +2.7% | +4.5% | +1.7% | +1.9% | 4.03% |
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 BSV →
Shared Holdings(87)
The top 10 shared positions account for 19% of the overlap, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes.
| U.S. Treasury Notes | 1.71% | 1.16% | 1.16% |
|---|---|---|---|
| U.S. Treasury Notes | 1.43% | 0.80% | 0.80% |
| U.S. Treasury Notes | 0.82% | 0.78% | 0.78% |
| U.S. Treasury Notes | 1.16% | 0.75% | 0.75% |
| U.S. Treasury Notes | 0.73% | 0.91% | 0.73% |
| U.S. Treasury Notes | 0.63% | 0.73% | 0.63% |
| U.S. Treasury Notes | 1.52% | 0.63% | 0.63% |
| U.S. Treasury Notes | 1.48% | 0.62% | 0.62% |
| U.S. Treasury Notes | 1.36% | 0.57% | 0.57% |
| U.S. Treasury Notes | 1.32% | 0.56% | 0.56% |
| U.S. Treasury Notes | 1.38% | 0.56% | 0.56% |
| U.S. Treasury Notes | 1.29% | 0.54% | 0.54% |
| U.S. Treasury Notes | 1.35% | 0.54% | 0.54% |
| U.S. Treasury Notes | 1.28% | 0.53% | 0.53% |
| U.S. Treasury Notes | 1.35% | 0.53% | 0.53% |
| U.S. Treasury Notes | 1.84% | 0.53% | 0.53% |
| U.S. Treasury Notes | 0.52% | 0.63% | 0.52% |
| U.S. Treasury Notes | 1.24% | 0.52% | 0.52% |
| U.S. Treasury Notes | 1.23% | 0.52% | 0.52% |
| U.S. Treasury Notes | 1.29% | 0.51% | 0.51% |
| U.S. Treasury Notes | 0.80% | 0.51% | 0.51% |
| U.S. Treasury Notes | 1.33% | 0.51% | 0.51% |
| U.S. Treasury Notes | 0.98% | 0.50% | 0.50% |
| U.S. Treasury Notes | 1.96% | 0.49% | 0.49% |
| U.S. Treasury Notes | 1.16% | 0.49% | 0.49% |
Frequently Asked Questions
How much do SHY and BSV overlap?
SHY and BSV overlap by 38.6% of portfolio weight. They share 87 holdings (SHY holds 89 positions and BSV holds 3156), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SHY and BSV?
The two portfolios are 38.6% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of SHY and BSV?
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 19% of the total overlap.
What does SHY own that BSV doesn't?
2 positions (1.7% of SHY) are unique to SHY, led by U.S. Treasury Notes and U.S. Treasury Notes. In the other direction, 3069 positions (58.2% of BSV) are unique to BSV.