ETF comparison
AGG vs BIV
Both US Aggregate Bond.
iShares Core U.S. Aggregate Bond ETF · Vanguard Intermediate-Term Bond Index Fund ETF Shares
Holdings overlap
2,314 positions appear in both funds. Buying equal dollars of AGG and BIV would leave roughly 17.5% 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 BIV.
Top shared holdings
2,314 shared in total| # | Holding | In AGG | In BIV | Overlap |
|---|---|---|---|---|
| 1 | United States Treasury | 0.41% | 2.08% | 0.41% |
| 2 | United States Treasury | 0.40% | 2.08% | 0.40% |
| 3 | United States Treasury | 0.40% | 2.13% | 0.40% |
| 4 | United States Treasury | 0.39% | 2.02% | 0.39% |
| 5 | United States Treasury | 0.39% | 2.14% | 0.39% |
| 6 | United States Treasury | 0.39% | 2.04% | 0.39% |
| 7 | United States Treasury | 0.38% | 2.10% | 0.38% |
| 8 | United States Treasury | 0.38% | 2.04% | 0.38% |
| 9 | United States Treasury | 0.37% | 1.94% | 0.37% |
| 10 | United States Treasury | 0.37% | 2.14% | 0.37% |
| 11 | United States Treasury | 0.37% | 0.79% | 0.37% |
| 12 | United States Treasury | 0.34% | 1.84% | 0.34% |
Only in AGG
11,068 total- United States Treasury 0.40%
- United States Treasury 0.38%
- United States Treasury 0.36%
- United States Treasury 0.33%
- United States Treasury 0.32%
- United States Treasury 0.30%
- United States Treasury 0.30%
- United States Treasury 0.30%
- United States Treasury 0.30%
- United States Treasury 0.29%
Only in BIV
41 total- Honeywell Aerospace Inc 0.06%
- Corp Andina de Fomento 0.04%
- Honeywell Aerospace Inc 0.04%
- Broadcom Inc 0.04%
- European Investment Bank 0.04%
- Federal Home Loan Banks 0.03%
- BlackRock Funding Inc 0.03%
- Cemex SAB de CV 0.03%
- BlackRock Funding Inc/DE 0.02%
- Tennessee Valley Authority 0.02%
Related comparisons
More comparisons with AGG
- AGG vs BLV · Vanguard Long-Term Bond Index Fund ETF Shares 16.9%
- AGG vs VTC · Vanguard Total Corporate Bond ETF ETF Shares 16.7%
- AGG vs MBB · iShares MBS ETF 16.6%
- AGG vs FBND · Fidelity Total Bond ETF 16.4%
- AGG vs VGSH · Vanguard Short-Term Treasury Index Fund ETF Shares 15.8%
- AGG vs IEI · iShares 3-7 Year Treasury Bond ETF 15.7%
More comparisons with BIV
- BIV vs SCHZ · Schwab U.S. Aggregate Bond ETF 17.0%
- BIV vs SPAB · State Street SPDR Portfolio Aggregate Bond Index ETF 16.8%
- BIV vs EAGG · iShares ESG U.S. Aggregate Bond ETF 15.7%
- BIV vs IUSB · iShares Core Universal USD Bond ETF 15.4%
- BIV vs VCRB · Vanguard Core Bond ETF 10.0%
- BIV vs AGGY · WisdomTree Yield Enhanced U.S. Aggregate Bond Fund 7.1%
Percentages are holdings overlap with the named fund.
Open AGG or BIV 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.