BND vs IGSB: Holdings Overlap
BNDVanguard Total Bond Market Index Fund
Vanguard · 17360 holdings · $161.4B · as of 2026-03-31
IGSBiShares 1-5 Year Investment Grade Corporate Bond ETF
iShares · 4605 holdings · $23.2B · as of 2026-05-31
Holdings snapshots are 61 days apart (BND: 2026-03-31, IGSB: 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 IGSB?
Vanguard Total Bond Market Index Fund (BND, by Vanguard) holds 17360 positions; iShares 1-5 Year Investment Grade Corporate Bond ETF (IGSB, by iShares) holds 4605. They have 2771 holdings in common, and by portfolio weight the two funds are 9.9% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 9.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 2771BND holds 17360 · IGSB holds 4605
- Weight in Shared Holdings
- BND 10%·IGSB 66%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
14589 of 17360 positions (88.8% of the fund) are not held by IGSB. 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 IGSB
1834 of 4605 positions (33.4% of the fund) are not held by BND. Showing the top 30 by weight.
- Eagle Funding Luxco Sarl0.31%
- Mars Inc0.12%
- Salesforce Inc0.11%
- Bank of America Corp0.10%
- Bank of America Corp0.09%
- Bayer US Finance II LLC0.09%
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% |
| IGSB | +0.3% | +1.2% | +3.5% | +5.6% | +2.5% | +2.7% | 4.61% |
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 IGSB →
Shared Holdings(2771)
The top 10 shared positions account for 3% of the overlap, led by T-Mobile USA, Inc., Morgan Stanley and Morgan Stanley Private Bank NA.
| T-Mobile USA, Inc. | 0.04% | 0.18% | 0.04% |
|---|---|---|---|
| Morgan Stanley | 0.04% | 0.06% | 0.04% |
| Morgan Stanley Private Bank NA | 0.04% | 0.09% | 0.04% |
| Boeing Co. (The) | 0.03% | 0.12% | 0.03% |
| JPMorgan Chase & Co. | 0.03% | 0.07% | 0.03% |
| Morgan Stanley | 0.03% | 0.07% | 0.03% |
| Bank of America Corp. | 0.03% | 0.16% | 0.03% |
| Goldman Sachs Group, Inc. (The) | 0.03% | 0.09% | 0.03% |
| Goldman Sachs Group, Inc. (The) | 0.03% | 0.06% | 0.03% |
| Bank of America Corp. | 0.03% | 0.11% | 0.03% |
| Bank of America Corp. | 0.02% | 0.08% | 0.02% |
| Bank of America Corp. | 0.02% | 0.09% | 0.02% |
| Cisco Systems, Inc. | 0.02% | 0.07% | 0.02% |
| AbbVie, Inc. | 0.02% | 0.14% | 0.02% |
| Goldman Sachs Group, Inc. (The) | 0.02% | 0.07% | 0.02% |
| Broadcom, Inc. | 0.02% | 0.04% | 0.02% |
| JPMORGAN CHASE and CO 2.739%/VAR 10/15/2030 | 0.02% | 0.09% | 0.02% |
| Fox Corp. | 0.02% | 0.06% | 0.02% |
| Morgan Stanley | 0.02% | 0.09% | 0.02% |
| Anheuser-Busch InBev Worldwide, Inc. | 0.02% | 0.08% | 0.02% |
| Goldman Sachs Group, Inc. (The) | 0.02% | 0.06% | 0.02% |
| Bank of America Corp. | 0.02% | 0.06% | 0.02% |
| Broadcom, Inc. | 0.02% | 0.06% | 0.02% |
| Oracle Corp. | 0.02% | 0.06% | 0.02% |
| Deutsche Telekom International Finance BV | 0.02% | 0.11% | 0.02% |
Showing the top 250 of 2771 shared holdings by overlap weight.
Frequently Asked Questions
How much do BND and IGSB overlap?
BND and IGSB overlap by 9.9% of portfolio weight. They share 2771 holdings (BND holds 17360 positions and IGSB holds 4605), based on each fund's latest SEC-reported holdings.
Is it redundant to own both BND and IGSB?
The two portfolios are 9.9% 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 IGSB?
The largest positions held by both funds are T-Mobile USA, Inc., Morgan Stanley, Morgan Stanley Private Bank NA, Boeing Co. (The) and JPMorgan Chase & Co.. Together the top 10 shared positions account for 3% of the total overlap.
What does BND own that IGSB doesn't?
14589 positions (88.8% 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, 1834 positions (33.4% of IGSB) are unique to IGSB.