BND vs IEI: Holdings Overlap
BNDVanguard Total Bond Market Index Fund
Vanguard · 17360 holdings · $161.4B · 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 (BND: 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 BND and IEI?
Vanguard Total Bond Market Index Fund (BND, by Vanguard) holds 17360 positions; iShares 3-7 Year Treasury Bond ETF (IEI, by iShares) holds 83. They have 80 holdings in common, and by portfolio weight the two funds are 15.2% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 15.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 80BND holds 17360 · IEI holds 83
- Weight in Shared Holdings
- BND 15%·IEI 96%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 BND
17280 of 17360 positions (83.5% of the fund) are not held by IEI. Showing the top 30 by weight.
- U.S. Treasury Notes0.48%
- U.S. Treasury Notes0.42%
- U.S. Treasury Notes0.42%
- U.S. Treasury Notes0.42%
- U.S. Treasury Notes0.41%
- U.S. Treasury Notes0.41%
Only in IEI
3 of 83 positions (2.5% of the fund) are not held by BND.
- U.S. Treasury Notes1.07%
- U.S. Treasury Notes1.04%
- U.S. Treasury Notes0.35%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| BND | -0.3% | +0.0% | +2.4% | +4.2% | -0.2% | +1.5% | 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 BND vs IEI →
Shared Holdings(80)
The top 10 shared positions account for 22% of the overlap, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes.
| U.S. Treasury Notes | 0.36% | 1.93% | 0.36% |
|---|---|---|---|
| U.S. Treasury Notes | 0.35% | 2.09% | 0.35% |
| U.S. Treasury Notes | 0.35% | 2.28% | 0.35% |
| U.S. Treasury Notes | 0.35% | 2.26% | 0.35% |
| U.S. Treasury Notes | 0.34% | 1.75% | 0.34% |
| U.S. Treasury Notes | 0.33% | 2.08% | 0.33% |
| U.S. Treasury Notes | 0.32% | 2.05% | 0.32% |
| U.S. Treasury Notes | 0.32% | 2.11% | 0.32% |
| U.S. Treasury Notes | 0.32% | 2.09% | 0.32% |
| U.S. Treasury Notes | 0.32% | 1.92% | 0.32% |
| U.S. Treasury Notes | 0.32% | 1.82% | 0.32% |
| U.S. Treasury Notes | 0.31% | 0.59% | 0.31% |
| U.S. Treasury Notes | 0.27% | 0.45% | 0.27% |
| U.S. Treasury Notes | 0.27% | 1.65% | 0.27% |
| U.S. Treasury Notes | 0.24% | 1.49% | 0.24% |
| U.S. Treasury Notes | 0.24% | 1.48% | 0.24% |
| U.S. Treasury Notes | 0.24% | 0.98% | 0.24% |
| U.S. Treasury Notes | 0.24% | 1.39% | 0.24% |
| U.S. Treasury Notes | 0.23% | 0.75% | 0.23% |
| U.S. Treasury Notes | 0.23% | 1.49% | 0.23% |
| U.S. Treasury Notes | 0.23% | 1.10% | 0.23% |
| U.S. Treasury Notes | 0.23% | 1.07% | 0.23% |
| U.S. Treasury Notes | 0.22% | 1.62% | 0.22% |
| U.S. Treasury Notes | 0.22% | 1.26% | 0.22% |
| U.S. Treasury Notes | 0.22% | 0.92% | 0.22% |
Frequently Asked Questions
How much do BND and IEI overlap?
BND and IEI overlap by 15.2% of portfolio weight. They share 80 holdings (BND holds 17360 positions and IEI holds 83), based on each fund's latest SEC-reported holdings.
Is it redundant to own both BND and IEI?
The two portfolios are 15.2% 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 BND 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 22% of the total overlap.
What does BND own that IEI doesn't?
17280 positions (83.5% of BND) are unique to BND, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes. In the other direction, 3 positions (2.5% of IEI) are unique to IEI.