ETF comparison
AGG vs SPIB
US Aggregate Bond vs US Corporate Bond.
iShares Core U.S. Aggregate Bond ETF · State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
Holdings overlap
4,977 positions appear in both funds. Buying equal dollars of AGG and SPIB would leave roughly 14.6% 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
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
State Street · US Corporate Bond
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
AGG is 1 bps cheaper than SPIB. On a $100,000 position that's about $10/yr more in fees for SPIB.
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 SPIB.
Top shared holdings
4,977 shared in total| # | Holding | In AGG | In SPIB | Overlap |
|---|---|---|---|---|
| 1 | T-MOBILE USA INC | 0.02% | 0.11% | 0.02% |
| 2 | BANK OF AMERICA CORP | 0.02% | 0.09% | 0.02% |
| 3 | BANK OF AMERICA CORP | 0.02% | 0.09% | 0.02% |
| 4 | GOLDMAN SACHS GROUP INC | 0.02% | 0.06% | 0.02% |
| 5 | ABBVIE INC | 0.02% | 0.10% | 0.02% |
| 6 | GOLDMAN SACHS GROUP INC | 0.02% | 0.23% | 0.02% |
| 7 | BANK OF AMERICA CORP | 0.02% | 0.08% | 0.02% |
| 8 | AMAZON.COM INC | 0.02% | 0.10% | 0.02% |
| 9 | BANK OF AMERICA CORP | 0.02% | 0.11% | 0.02% |
| 10 | ANHEUSER-BUSCH CO/INBEV | 0.02% | 0.06% | 0.02% |
| 11 | WELLS FARGO & COMPANY | 0.02% | 0.07% | 0.02% |
| 12 | GOLDMAN SACHS GROUP INC | 0.02% | 0.06% | 0.02% |
Only in AGG
8,289 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 SPIB
168 total- COOPERAT RABOBANK UA/NY 0.13%
- NVIDIA CORP 0.13%
- DUKE ENERGY CAROLINAS 0.13%
- MASTERCARD INC 0.12%
- VALLEY NATIONAL BANCORP 0.12%
- CITIBANK NA 0.10%
- SPACE EXPLORATION TECH 0.09%
- SPACE EXPLORATION TECH 0.09%
- NVIDIA CORP 0.09%
- SANTANDER HOLDINGS USA 0.08%
Related comparisons
More comparisons with AGG
- AGG vs LQD · iShares iBoxx $ Investment Grade Corporate Bond ETF 12.8%
- AGG vs IGSB · iShares 1-5 Year Investment Grade Corporate Bond ETF 9.9%
- AGG vs SPTL · State Street SPDR Portfolio Long Term Treasury ETF 9.3%
- AGG vs VGLT · Vanguard Long-Term Treasury Index Fund ETF Shares 9.3%
- AGG vs VCSH · Vanguard Short-Term Corporate Bond Index Fund ETF Shares 8.8%
- AGG vs IGLB · iShares 10+ Year Investment Grade Corporate Bond ETF 7.9%
More comparisons with SPIB
- SPIB vs SCHZ · Schwab U.S. Aggregate Bond ETF 14.3%
- SPIB vs CORP · PIMCO Investment Grade Corporate Bond Index Exchange-Traded Fund 11.9%
- SPIB vs SPLB · State Street SPDR Portfolio Long Term Corporate Bond ETF 0.2%
- SPIB vs VCLT · Vanguard Long-Term Corporate Bond Index Fund ETF Shares 0.1%
- SPIB vs IGLB · iShares 10+ Year Investment Grade Corporate Bond ETF 0.0%
- SPIB vs BNDX · Vanguard Total International Bond Index Fund ETF Shares 0.0%
Percentages are holdings overlap with the named fund.
Open AGG or SPIB 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.