BIV vs BLV: Holdings Overlap
BIVVanguard Intermediate-term Bond Index Fund
Vanguard · 2340 holdings · $28.9B · as of 2026-03-31
BLVVanguard Long-term Bond Index Fund
Vanguard · 3013 holdings · $5.8B · as of 2026-03-31
How similar are BIV and BLV?
Vanguard Intermediate-term Bond Index Fund (BIV, by Vanguard) holds 2340 positions; Vanguard Long-term Bond Index Fund (BLV, by Vanguard) holds 3013. They have 20 holdings in common, and by portfolio weight the two funds are 0.6% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 20BIV holds 2340 · BLV holds 3013
- Weight in Shared Holdings
- BIV 1%·BLV 1%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
2320 of 2340 positions (97.7% of the fund) are not held by BLV. 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 BLV
2993 of 3013 positions (98.0% of the fund) are not held by BIV. Showing the top 30 by weight.
- U.S. Treasury Bonds1.23%
- U.S. Treasury Bonds1.21%
- U.S. Treasury Bonds1.18%
- U.S. Treasury Bonds1.18%
- U.S. Treasury Bonds1.18%
- U.S. Treasury Bonds1.14%
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% |
| BLV | -1.5% | -1.9% | +0.2% | +2.5% | -4.7% | +0.3% | 4.94% |
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 BLV →
Shared Holdings(20)
The top 10 shared positions account for 94% of the overlap, led by U.S. Treasury Notes, Abbott Laboratories and Goldman Sachs Group, Inc. (The).
| U.S. Treasury Notes | 0.92% | 0.46% | 0.46% |
|---|---|---|---|
| Abbott Laboratories | 0.05% | 0.03% | 0.03% |
| Goldman Sachs Group, Inc. (The) | 0.02% | 0.04% | 0.02% |
| Mizuho Financial Group, Inc. | 0.01% | 0.01% | 0.01% |
| American Airlines Pass-Through Trust, Series 2025-1, Class A | 0.01% | 0.01% | 0.01% |
| Northwestern University | 0.01% | 0.01% | 0.01% |
| Fedex Freight Holding Co., Inc. | 0.01% | 0.01% | 0.01% |
| Marriott International Inc/MD | 0.01% | 0.01% | 0.01% |
| Affiliated Managers Group, Inc. | 0.01% | 0.01% | 0.01% |
| PACIFIC GAS and ELECTRIC CO 5.2% 05/01/2036 | 0.01% | 0.01% | 0.01% |
| Target Corp. | 0.01% | 0.00% | 0.00% |
| Entergy Louisiana LLC | 0.01% | 0.00% | 0.00% |
| Loews Corp. | 0.00% | 0.01% | 0.00% |
| CenterPoint Energy Houston Electric LLC, Series AR | 0.00% | 0.01% | 0.00% |
| HA Sustainable Infrastructure Capital Inc | 0.00% | 0.00% | 0.00% |
| Northern States Power Co/MN | 0.00% | 0.00% | 0.00% |
| Sumitomo Mitsui Financial Group, Inc. | 0.00% | 0.02% | 0.00% |
| McDonald's Corp. | 0.01% | 0.00% | 0.00% |
| Union Electric Co. | 0.00% | 0.00% | 0.00% |
| Marriott International Inc/MD | 0.01% | 0.00% | 0.00% |
Frequently Asked Questions
How much do BIV and BLV overlap?
BIV and BLV overlap by 0.6% of portfolio weight. They share 20 holdings (BIV holds 2340 positions and BLV holds 3013), based on each fund's latest SEC-reported holdings.
Is it redundant to own both BIV and BLV?
The two portfolios are 0.6% 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 BLV?
The largest positions held by both funds are U.S. Treasury Notes, Abbott Laboratories, Goldman Sachs Group, Inc. (The), Mizuho Financial Group, Inc. and American Airlines Pass-Through Trust, Series 2025-1, Class A. Together the top 10 shared positions account for 94% of the total overlap.
What does BIV own that BLV doesn't?
2320 positions (97.7% 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, 2993 positions (98.0% of BLV) are unique to BLV.