AGG vs BLV: Holdings Overlap
AGGiShares Core U.S. Aggregate Bond ETF
iShares · 13266 holdings · $137.7B · as of 2026-05-31
BLVVanguard Long-term Bond Index Fund
Vanguard · 3013 holdings · $5.8B · as of 2026-03-31
Holdings snapshots are 61 days apart (AGG: 2026-05-31, BLV: 2026-03-31). 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 AGG and BLV?
iShares Core U.S. Aggregate Bond ETF (AGG, by iShares) holds 13266 positions; Vanguard Long-term Bond Index Fund (BLV, by Vanguard) holds 3013. They have 2943 holdings in common, and by portfolio weight the two funds are 17.3% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 17.3%Sum of the smaller weight of each shared holding
- Shared Holdings
- 2943AGG holds 13266 · BLV holds 3013
- Weight in Shared Holdings
- AGG 17%·BLV 98%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 AGG
10323 of 13266 positions (81.1% of the fund) are not held by BLV. Showing the top 30 by weight.
- U.S. Treasury Notes0.42%
- U.S. Treasury Notes0.41%
- U.S. Treasury Notes0.41%
- U.S. Treasury Notes0.40%
- U.S. Treasury Notes0.40%
- U.S. Treasury Notes0.39%
Only in BLV
70 of 3013 positions (0.7% of the fund) are not held by AGG. Showing the top 30 by weight.
- Citigroup, Inc.0.04%
- Israel Government International Bond0.04%
- Tennessee Valley Authority0.03%
- BlackRock Funding Inc0.03%
- Paramount Global0.02%
- Consolidated Edison Co. of New York, Inc.0.02%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| AGG | -0.3% | +0.0% | +2.4% | +4.2% | -0.2% | +1.4% | 4.04% |
| 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 AGG vs BLV →
Shared Holdings(2943)
The top 10 shared positions account for 13% of the overlap, led by U.S. Treasury Notes, U.S. Treasury Bonds and U.S. Treasury Bonds.
| U.S. Treasury Notes | 0.37% | 0.46% | 0.37% |
|---|---|---|---|
| U.S. Treasury Bonds | 0.21% | 1.18% | 0.21% |
| U.S. Treasury Bonds | 0.21% | 1.21% | 0.21% |
| U.S. Treasury Bonds | 0.21% | 1.23% | 0.21% |
| U.S. Treasury Bonds | 0.21% | 1.18% | 0.21% |
| U.S. Treasury Bonds | 0.21% | 1.10% | 0.21% |
| U.S. Treasury Bonds | 0.20% | 1.18% | 0.20% |
| U.S. Treasury Bonds | 0.20% | 1.13% | 0.20% |
| U.S. Treasury Bonds | 0.20% | 1.14% | 0.20% |
| U.S. Treasury Bonds | 0.18% | 0.97% | 0.18% |
| U.S. Treasury Bonds | 0.18% | 0.93% | 0.18% |
| U.S. Treasury Bonds | 0.18% | 0.98% | 0.18% |
| U.S. Treasury Bonds | 0.17% | 0.82% | 0.17% |
| U.S. Treasury Bonds | 0.16% | 0.60% | 0.16% |
| U.S. Treasury Bonds | 0.16% | 0.80% | 0.16% |
| U.S. Treasury Bonds | 0.16% | 0.86% | 0.16% |
| U.S. Treasury Bonds | 0.16% | 0.77% | 0.16% |
| U.S. Treasury Bonds | 0.16% | 0.80% | 0.16% |
| U.S. Treasury Bonds | 0.16% | 0.79% | 0.16% |
| U.S. Treasury Bonds | 0.16% | 0.79% | 0.16% |
| U.S. Treasury Bonds | 0.15% | 0.70% | 0.15% |
| U.S. Treasury Bonds | 0.15% | 0.73% | 0.15% |
| U.S. Treasury Bonds | 0.15% | 0.76% | 0.15% |
| U.S. Treasury Bonds | 0.15% | 0.73% | 0.15% |
| U.S. Treasury Bonds | 0.15% | 0.87% | 0.15% |
Showing the top 250 of 2943 shared holdings by overlap weight.
Frequently Asked Questions
How much do AGG and BLV overlap?
AGG and BLV overlap by 17.3% of portfolio weight. They share 2943 holdings (AGG holds 13266 positions and BLV holds 3013), based on each fund's latest SEC-reported holdings.
Is it redundant to own both AGG and BLV?
The two portfolios are 17.3% 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 AGG and BLV?
The largest positions held by both funds are U.S. Treasury Notes, U.S. Treasury Bonds, U.S. Treasury Bonds, U.S. Treasury Bonds and U.S. Treasury Bonds. Together the top 10 shared positions account for 13% of the total overlap.
What does AGG own that BLV doesn't?
10323 positions (81.1% of AGG) are unique to AGG, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes. In the other direction, 70 positions (0.7% of BLV) are unique to BLV.