BIV vs IGLB: Holdings Overlap
BIVVanguard Intermediate-term Bond Index Fund
Vanguard · 2340 holdings · $28.9B · as of 2026-03-31
IGLBiShares 10+ Year Investment Grade Corporate Bond ETF
iShares · 3835 holdings · $2.9B · as of 2026-05-31
Holdings snapshots are 61 days apart (BIV: 2026-03-31, IGLB: 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 IGLB?
Vanguard Intermediate-term Bond Index Fund (BIV, by Vanguard) holds 2340 positions; iShares 10+ Year Investment Grade Corporate Bond ETF (IGLB, by iShares) holds 3835. They have 2 holdings in common, and by portfolio weight the two funds are 0.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 2BIV holds 2340 · IGLB holds 3835
- Weight in Shared Holdings
- BIV 0%·IGLB 0%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
2338 of 2340 positions (98.8% of the fund) are not held by IGLB. 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 IGLB
3833 of 3835 positions (98.0% of the fund) are not held by BIV. Showing the top 30 by weight.
- Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc0.28%
- CVS Health Corp0.25%
- Goldman Sachs Group Inc/The0.20%
- Boeing Co/The0.20%
- Pfizer Investment Enterprises Pte Ltd0.20%
- Meta Platforms Inc0.20%
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% |
| IGLB | -1.6% | -1.5% | +0.9% | +4.3% | -2.9% | +1.6% | 5.41% |
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 IGLB →
Shared Holdings(2)
| Marriott International Inc/MD | 0.01% | 0.05% | 0.01% |
|---|---|---|---|
| Mizuho Financial Group, Inc. | 0.01% | 0.00% | 0.00% |
Frequently Asked Questions
How much do BIV and IGLB overlap?
BIV and IGLB overlap by 0.0% of portfolio weight. They share 2 holdings (BIV holds 2340 positions and IGLB holds 3835), based on each fund's latest SEC-reported holdings.
Is it redundant to own both BIV and IGLB?
The two portfolios are 0.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of BIV and IGLB?
The largest positions held by both funds are Marriott International Inc/MD and Mizuho Financial Group, Inc.. Together the top 2 shared positions account for 100% of the total overlap.
What does BIV own that IGLB doesn't?
2338 positions (98.8% 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, 3833 positions (98.0% of IGLB) are unique to IGLB.