ETF comparison
AGG vs BLV
Both US Aggregate Bond.
iShares Core U.S. Aggregate Bond ETF · Vanguard Long-Term Bond Index Fund ETF Shares
Holdings overlap
2,904 positions appear in both funds. Buying equal dollars of AGG and BLV would leave roughly 16.9% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
Expense ratios are effectively identical (0.030% vs 0.030%).
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with AGG vs BLV.
Top shared holdings
2,904 shared in total| # | Holding | In AGG | In BLV | Overlap |
|---|---|---|---|---|
| 1 | United States Treasury | 0.21% | 1.10% | 0.21% |
| 2 | United States Treasury | 0.21% | 1.17% | 0.21% |
| 3 | United States Treasury | 0.21% | 1.15% | 0.21% |
| 4 | United States Treasury | 0.21% | 1.13% | 0.21% |
| 5 | United States Treasury | 0.21% | 1.13% | 0.21% |
| 6 | United States Treasury | 0.20% | 1.14% | 0.20% |
| 7 | United States Treasury | 0.20% | 1.08% | 0.20% |
| 8 | United States Treasury | 0.20% | 1.08% | 0.20% |
| 9 | United States Treasury | 0.18% | 0.96% | 0.18% |
| 10 | United States Treasury | 0.18% | 0.86% | 0.18% |
| 11 | United States Treasury | 0.18% | 1.06% | 0.18% |
| 12 | United States Treasury | 0.17% | 0.84% | 0.17% |
Only in AGG
10,362 total- United States Treasury 0.42%
- United States Treasury 0.41%
- United States Treasury 0.41%
- United States Treasury 0.40%
- United States Treasury 0.40%
- United States Treasury 0.39%
- United States Treasury 0.39%
- United States Treasury 0.39%
- United States Treasury 0.39%
- United States Treasury 0.38%
Only in BLV
79 total- United States Treasury Note/Bond 0.68%
- United States Treasury Note/Bond 0.49%
- NVIDIA Corp 0.05%
- Space Exploration Technologies Corp 0.04%
- NVIDIA Corp 0.04%
- Israel Government International Bond 0.03%
- Mexico Government International Bond 0.03%
- Tennessee Valley Authority 0.03%
- BlackRock Funding Inc 0.03%
- Space Exploration Technologies Corp 0.03%
Related comparisons
More comparisons with AGG
- AGG vs MBB · iShares MBS ETF 16.7%
- AGG vs BIV · Vanguard Intermediate-Term Bond Index Fund ETF Shares 16.7%
- AGG vs VTC · Vanguard Total Corporate Bond ETF ETF Shares 16.5%
- AGG vs IEI · iShares 3-7 Year Treasury Bond ETF 15.7%
- AGG vs VGSH · Vanguard Short-Term Treasury Index Fund ETF Shares 15.6%
- AGG vs SCHO · Schwab Short-Term U.S. Treasury ETF 15.4%
More comparisons with BLV
- BLV vs EAGG · iShares ESG U.S. Aggregate Bond ETF 16.0%
- BLV vs GOVT · iShares U.S. Treasury Bond ETF 14.8%
- BLV vs IUSB · iShares Core Universal USD Bond ETF 14.3%
- BLV vs AGGY · WisdomTree Yield Enhanced U.S. Aggregate Bond Fund 14.3%
- BLV vs FBND · Fidelity Total Bond ETF 12.5%
- BLV vs VCRB · Vanguard Core Bond ETF 12.1%
Percentages are holdings overlap with the named fund.
Open AGG or BLV at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.