BND vs USIG: Holdings Overlap
BNDVanguard Total Bond Market Index Fund
Vanguard · 17360 holdings · $161.4B · as of 2026-03-31
USIGiShares Broad USD Investment Grade Corporate Bond ETF
iShares · 11458 holdings · $17.3B · as of 2026-05-31
Holdings snapshots are 61 days apart (BND: 2026-03-31, USIG: 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 USIG?
Vanguard Total Bond Market Index Fund (BND, by Vanguard) holds 17360 positions; iShares Broad USD Investment Grade Corporate Bond ETF (USIG, by iShares) holds 11458. They have 7364 holdings in common, and by portfolio weight the two funds are 24.1% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 24.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 7364BND holds 17360 · USIG holds 11458
- Weight in Shared Holdings
- BND 25%·USIG 70%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
9996 of 17360 positions (74.2% of the fund) are not held by USIG. 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 USIG
4094 of 11458 positions (28.9% of the fund) are not held by BND. Showing the top 30 by weight.
- Eagle Funding Luxco Sarl0.08%
- Mars Inc0.05%
- Mars Inc0.05%
- UBS Group AG0.04%
- Mars Inc0.04%
- Bank of America Corp0.04%
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% |
| USIG | -0.4% | +0.1% | +2.6% | +5.4% | +0.2% | +2.4% | 4.82% |
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 BND vs USIG →
Shared Holdings(7364)
The top 10 shared positions account for 1% of the overlap, led by T-Mobile USA, Inc., Morgan Stanley and Morgan Stanley Private Bank NA.
| T-Mobile USA, Inc. | 0.04% | 0.07% | 0.04% |
|---|---|---|---|
| Morgan Stanley | 0.04% | 0.04% | 0.04% |
| Morgan Stanley Private Bank NA | 0.04% | 0.04% | 0.04% |
| Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc | 0.03% | 0.09% | 0.03% |
| Goldman Sachs Group, Inc. (The) | 0.04% | 0.03% | 0.03% |
| Boeing Co. (The) | 0.03% | 0.05% | 0.03% |
| Boeing Co. (The) | 0.03% | 0.06% | 0.03% |
| Morgan Stanley | 0.03% | 0.03% | 0.03% |
| Bank of America Corp. | 0.03% | 0.09% | 0.03% |
| Goldman Sachs Group, Inc. (The) | 0.03% | 0.03% | 0.03% |
| Goldman Sachs Group, Inc. (The) | 0.03% | 0.03% | 0.03% |
| Bank of America Corp. | 0.03% | 0.05% | 0.03% |
| Bank of America Corp. | 0.02% | 0.03% | 0.02% |
| Citigroup, Inc. | 0.02% | 0.03% | 0.02% |
| Bank of America Corp. | 0.02% | 0.04% | 0.02% |
| Cisco Systems, Inc. | 0.02% | 0.03% | 0.02% |
| JPMorgan Chase & Co. | 0.03% | 0.02% | 0.02% |
| CVS Health Corp. | 0.02% | 0.08% | 0.02% |
| Bank of America Corp. | 0.02% | 0.05% | 0.02% |
| AbbVie, Inc. | 0.02% | 0.06% | 0.02% |
| Goldman Sachs Group, Inc. (The) | 0.02% | 0.03% | 0.02% |
| Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc | 0.02% | 0.06% | 0.02% |
| Morgan Stanley | 0.02% | 0.03% | 0.02% |
| Bank of America Corp. | 0.02% | 0.04% | 0.02% |
| Meta Platforms, Inc. | 0.02% | 0.06% | 0.02% |
Showing the top 250 of 7364 shared holdings by overlap weight.
Frequently Asked Questions
How much do BND and USIG overlap?
BND and USIG overlap by 24.1% of portfolio weight. They share 7364 holdings (BND holds 17360 positions and USIG holds 11458), based on each fund's latest SEC-reported holdings.
Is it redundant to own both BND and USIG?
The two portfolios are 24.1% 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 USIG?
The largest positions held by both funds are T-Mobile USA, Inc., Morgan Stanley, Morgan Stanley Private Bank NA, Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc and Goldman Sachs Group, Inc. (The). Together the top 10 shared positions account for 1% of the total overlap.
What does BND own that USIG doesn't?
9996 positions (74.2% 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, 4094 positions (28.9% of USIG) are unique to USIG.