ETF comparison
AGG vs SPTS
US Aggregate Bond vs US Treasury (Short).
iShares Core U.S. Aggregate Bond ETF · State Street SPDR Portfolio Short Term Treasury ETF
Holdings overlap
91 positions appear in both funds. Buying equal dollars of AGG and SPTS would leave roughly 15.0% 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 SPTS.
Top shared holdings
91 shared in total| # | Holding | In AGG | In SPTS | Overlap |
|---|---|---|---|---|
| 1 | United States Treasury | 0.35% | 1.16% | 0.35% |
| 2 | United States Treasury | 0.31% | 1.82% | 0.31% |
| 3 | United States Treasury | 0.26% | 1.36% | 0.26% |
| 4 | United States Treasury | 0.25% | 1.37% | 0.25% |
| 5 | United States Treasury | 0.25% | 1.37% | 0.25% |
| 6 | United States Treasury | 0.24% | 1.28% | 0.24% |
| 7 | United States Treasury | 0.24% | 1.29% | 0.24% |
| 8 | United States Treasury | 0.24% | 1.24% | 0.24% |
| 9 | United States Treasury | 0.23% | 1.29% | 0.23% |
| 10 | United States Treasury | 0.23% | 1.36% | 0.23% |
| 11 | United States Treasury | 0.23% | 1.20% | 0.23% |
| 12 | United States Treasury | 0.23% | 1.18% | 0.23% |
Only in AGG
13,175 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 SPTS
5 total- United States Treasury 1.10%
- United States Treasury 0.85%
- United States Treasury 0.76%
- United States Treasury 0.17%
- United States Treasury 0.09%
Related comparisons
More comparisons with AGG
- AGG vs FBND · Fidelity Total Bond ETF 14.6%
- AGG vs SPIB · State Street SPDR Portfolio Intermediate Term Corporate Bond ETF 14.6%
- 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%
More comparisons with SPTS
- SPTS vs BIL · State Street SPDR Bloomberg 1-3 Month T-Bill ETF 0.0%
- SPTS vs BNDX · Vanguard Total International Bond Index Fund ETF Shares 0.0%
- SPTS vs GBIL · Goldman Sachs Access Treasury 0-1 Year ETF 0.0%
- SPTS vs SCHP · Schwab U.S. TIPS ETF 0.0%
- SPTS vs SGOV · iShares 0-3 Month Treasury Bond ETF 0.0%
- SPTS vs SHV · iShares 0–1 Year Treasury Bond ETF 0.0%
Percentages are holdings overlap with the named fund.
Open AGG or SPTS 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.