BIV vs USIG: Holdings Overlap
BIVVanguard Intermediate-term Bond Index Fund
Vanguard · 2340 holdings · $28.9B · 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 (BIV: 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 BIV and USIG?
Vanguard Intermediate-term Bond Index Fund (BIV, by Vanguard) holds 2340 positions; iShares Broad USD Investment Grade Corporate Bond ETF (USIG, by iShares) holds 11458. They have 2086 holdings in common, and by portfolio weight the two funds are 20.1% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 20.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 2086BIV holds 2340 · USIG holds 11458
- Weight in Shared Holdings
- BIV 37%·USIG 21%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 BIV
254 of 2340 positions (62.1% of the fund) are not held by USIG. Showing the top 30 by weight.
- U.S. Treasury Notes2.29%
- U.S. Treasury Notes2.20%
- U.S. Treasury Notes2.19%
- U.S. Treasury Notes2.18%
- U.S. Treasury Notes2.06%
- U.S. Treasury Notes2.06%
Only in USIG
9372 of 11458 positions (77.8% of the fund) are not held by BIV. Showing the top 30 by weight.
- Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc0.09%
- Bank of America Corp0.09%
- Eagle Funding Luxco Sarl0.08%
- CVS Health Corp0.08%
- T-Mobile USA Inc0.07%
- Goldman Sachs Group Inc/The0.07%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| BIV | -0.2% | -0.3% | +2.0% | +4.6% | -0.1% | +1.7% | 4.31% |
| 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 BIV vs USIG →
Shared Holdings(2086)
The top 10 shared positions account for 3% of the overlap, led by Bank of America Corp., Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc and Pfizer Investment Enterprises Pte. Ltd..
| Bank of America Corp. | 0.09% | 0.06% | 0.06% |
|---|---|---|---|
| Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc | 0.11% | 0.06% | 0.06% |
| Pfizer Investment Enterprises Pte. Ltd. | 0.08% | 0.05% | 0.05% |
| JPMorgan Chase & Co. | 0.08% | 0.05% | 0.05% |
| Bank of America Corp. | 0.09% | 0.05% | 0.05% |
| Bank of America Corp. | 0.07% | 0.05% | 0.05% |
| JPMORGAN CHASE and CO 4.912%/VAR 07/25/2033 | 0.08% | 0.05% | 0.05% |
| Meta Platforms, Inc. | 0.11% | 0.05% | 0.05% |
| Amgen, Inc. | 0.07% | 0.05% | 0.05% |
| Bank of America Corp. | 0.08% | 0.05% | 0.05% |
| Goldman Sachs Group, Inc. (The) | 0.08% | 0.04% | 0.04% |
| Bank of America Corp. | 0.06% | 0.04% | 0.04% |
| Bank of America Corp. | 0.08% | 0.04% | 0.04% |
| Verizon Communications, Inc. | 0.08% | 0.04% | 0.04% |
| Oracle Corp. | 0.09% | 0.04% | 0.04% |
| Wells Fargo & Co. | 0.08% | 0.04% | 0.04% |
| JPMorgan Chase & Co. | 0.05% | 0.04% | 0.04% |
| AerCap Ireland Capital DAC / AerCap Global Aviation Trust | 0.09% | 0.04% | 0.04% |
| Wells Fargo & Co. | 0.06% | 0.04% | 0.04% |
| JPMORGAN CHASE and CO 5.717%/VAR 09/14/2033 | 0.06% | 0.04% | 0.04% |
| Goldman Sachs Group, Inc. (The) | 0.06% | 0.04% | 0.04% |
| Wells Fargo & Co. | 0.08% | 0.04% | 0.04% |
| Bank of America Corp. | 0.09% | 0.04% | 0.04% |
| Bank of America Corp. | 0.11% | 0.04% | 0.04% |
| Goldman Sachs Group, Inc. (The) | 0.07% | 0.04% | 0.04% |
Showing the top 250 of 2086 shared holdings by overlap weight.
Frequently Asked Questions
How much do BIV and USIG overlap?
BIV and USIG overlap by 20.1% of portfolio weight. They share 2086 holdings (BIV holds 2340 positions and USIG holds 11458), based on each fund's latest SEC-reported holdings.
Is it redundant to own both BIV and USIG?
The two portfolios are 20.1% 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 BIV and USIG?
The largest positions held by both funds are Bank of America Corp., Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc, Pfizer Investment Enterprises Pte. Ltd., JPMorgan Chase & Co. and Bank of America Corp.. Together the top 10 shared positions account for 3% of the total overlap.
What does BIV own that USIG doesn't?
254 positions (62.1% of BIV) are unique to BIV, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes. In the other direction, 9372 positions (77.8% of USIG) are unique to USIG.