AGGUS aggregate bond
iShares Core U.S. Aggregate Bond ETF
13,269holdings
0.03%annual fee
USmarket
ValuationNot available for this holdings date
AGG holdings and fund profile
ETF comparisons / AGG vs ISTB
US aggregate bond comparison · AGG 2026-05-31 · ISTB 2026-01-31
AGG vs ISTB
iShares Core U.S. Aggregate Bond ETF compared with iShares Core 1-5 Year USD Bond ETF
Most company exposure is different between these funds.AGG has 9,909 companies outside the overlap; ISTB has 3,658.
ISTBbond
iShares Core 1-5 Year USD Bond ETF
7,027holdings
0.06%annual fee
USmarket
ValuationNot available for this holdings date
ISTB holdings and fund profile
Largest shared positions
3,357 companies held in both funds
AGG weight
ISTB weight
| Shared company | AGG | ISTB |
|---|---|---|
| United States Treasury | 0.40% | 1.00% |
| United States Treasury T | 0.32% | 0.86% |
| United States Treasury T | 0.30% | 0.31% |
| United States Treasury T | 0.29% | 0.83% |
| United States Treasury | 0.28% | 0.68% |
| United States Treasury T | 0.28% | 0.98% |
| United States Treasury T | 0.27% | 1.12% |
| United States Treasury T | 0.27% | 0.92% |
| United States Treasury T | 0.35% | 0.26% |
| United States Treasury T | 0.25% | 0.34% |
| United States Treasury T | 0.24% | 0.60% |
| United States Treasury | 0.24% | 0.56% |
| United States Treasury T | 0.23% | 0.25% |
| United States Treasury T | 0.23% | 0.50% |
| United States Treasury T | 0.23% | 0.26% |
| United States Treasury | 0.23% | 0.69% |
| United States Treasury T | 0.22% | 0.59% |
| United States Treasury T | 0.22% | 0.71% |
| United States Treasury T | 0.22% | 0.55% |
| United States Treasury T | 0.22% | 0.53% |
| United States Treasury T | 0.22% | 0.64% |
| United States Treasury | 0.22% | 0.58% |
| United States Treasury T | 0.22% | 0.32% |
| United States Treasury T | 0.22% | 0.48% |
| United States Treasury T | 0.22% | 0.81% |
AGG and ISTB questions
Based on the holdings compared above
How much do AGG and ISTB overlap?
AGG and ISTB overlap by 30.1% by weight, across 3357 shared companies.
Which companies do AGG and ISTB both hold?
The largest companies held in both funds are United States Treasury, United States Treasury, United States Treasury, United States Treasury, United States Treasury.
Can I hold both AGG and ISTB?
Holding both means 30.1% of that part of your portfolio is the same companies counted twice. That can suit you or not depending on your goals; this tool reports the overlap rather than giving advice.
Is AGG or ISTB cheaper?
AGG has a 0.03% expense ratio and ISTB has 0.06%.
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