BSV vs IEI: Holdings Overlap
BSVVanguard Short-term Bond Index Fund
Vanguard · 3156 holdings · $45.6B · as of 2026-03-31
IEIiShares 3-7 Year Treasury Bond ETF
iShares · 83 holdings · $17.6B · as of 2026-05-31
Holdings snapshots are 61 days apart (BSV: 2026-03-31, IEI: 2026-05-31). 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 BSV and IEI?
Vanguard Short-term Bond Index Fund (BSV, by Vanguard) holds 3156 positions; iShares 3-7 Year Treasury Bond ETF (IEI, by iShares) holds 83. They have 48 holdings in common, and by portfolio weight the two funds are 24.0% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 24.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 48BSV holds 3156 · IEI holds 83
- Weight in Shared Holdings
- BSV 25%·IEI 58%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 BSV
3108 of 3156 positions (73.8% of the fund) are not held by IEI. Showing the top 30 by weight.
- U.S. Treasury Notes1.16%
- U.S. Treasury Notes0.91%
- U.S. Treasury Notes0.80%
- U.S. Treasury Notes0.78%
- U.S. Treasury Notes0.76%
- U.S. Treasury Notes0.76%
Only in IEI
35 of 83 positions (40.6% of the fund) are not held by BSV. Showing the top 30 by weight.
- U.S. Treasury Notes2.26%
- U.S. Treasury Notes2.11%
- U.S. Treasury Notes2.09%
- U.S. Treasury Notes2.09%
- U.S. Treasury Notes2.08%
- U.S. Treasury Notes2.05%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| BSV | +0.3% | +0.7% | +2.7% | +4.5% | +1.7% | +1.9% | 4.03% |
| IEI | +0.1% | -0.2% | +1.6% | +3.9% | +0.2% | +1.2% | 3.70% |
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 BSV vs IEI →
Shared Holdings(48)
The top 10 shared positions account for 33% of the overlap, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes.
| U.S. Treasury Notes | 0.92% | 2.28% | 0.92% |
|---|---|---|---|
| U.S. Treasury Notes | 0.80% | 1.12% | 0.80% |
| U.S. Treasury Notes | 0.79% | 1.41% | 0.79% |
| U.S. Treasury Notes | 0.78% | 1.10% | 0.78% |
| U.S. Treasury Notes | 0.78% | 1.07% | 0.78% |
| U.S. Treasury Notes | 0.76% | 1.92% | 0.76% |
| U.S. Treasury Notes | 0.76% | 1.10% | 0.76% |
| U.S. Treasury Notes | 0.75% | 1.82% | 0.75% |
| U.S. Treasury Notes | 0.75% | 1.49% | 0.75% |
| U.S. Treasury Notes | 0.75% | 1.12% | 0.75% |
| U.S. Treasury Notes | 0.74% | 1.49% | 0.74% |
| U.S. Treasury Notes | 0.72% | 1.29% | 0.72% |
| U.S. Treasury Notes | 0.65% | 1.39% | 0.65% |
| U.S. Treasury Notes | 0.65% | 1.26% | 0.65% |
| U.S. Treasury Notes | 0.65% | 0.75% | 0.65% |
| U.S. Treasury Notes | 0.63% | 1.62% | 0.63% |
| U.S. Treasury Notes | 0.63% | 0.59% | 0.59% |
| U.S. Treasury Notes | 0.58% | 1.48% | 0.58% |
| U.S. Treasury Notes | 0.68% | 0.58% | 0.58% |
| U.S. Treasury Notes | 0.57% | 1.65% | 0.57% |
| U.S. Treasury Notes | 0.49% | 1.13% | 0.49% |
| U.S. Treasury Notes | 0.82% | 0.45% | 0.45% |
| U.S. Treasury Notes | 0.45% | 0.98% | 0.45% |
| U.S. Treasury Notes | 0.42% | 1.61% | 0.42% |
| U.S. Treasury Notes | 0.41% | 0.92% | 0.41% |
Frequently Asked Questions
How much do BSV and IEI overlap?
BSV and IEI overlap by 24.0% of portfolio weight. They share 48 holdings (BSV holds 3156 positions and IEI holds 83), based on each fund's latest SEC-reported holdings.
Is it redundant to own both BSV and IEI?
The two portfolios are 24.0% 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 BSV and IEI?
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 33% of the total overlap.
What does BSV own that IEI doesn't?
3108 positions (73.8% of BSV) are unique to BSV, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes. In the other direction, 35 positions (40.6% of IEI) are unique to IEI.