ETF comparison
AOA vs AOK
Both Asset Allocation.
iShares Core 80/20 Aggressive Allocation ETF · iShares Core 30/70 Conservative Allocation ETF
Holdings overlap
7 positions appear in both funds. Buying equal dollars of AOA and AOK would leave roughly 50.3% 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 (0.15% vs 0.15%).
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 AOA vs AOK.
Top shared holdings
7 shared in total| # | Holding | In AOA | In AOK | Overlap |
|---|---|---|---|---|
| 1 | iShares Core S&P 500 ETF | 45.72% | 17.67% | 17.67% |
| 2 | iShares Core Universal USD Bond ETF | 16.14% | 58.23% | 16.14% |
| 3 | iShares Core MSCI International Developed Mkt ETF | 22.80% | 8.81% | 8.81% |
| 4 | iShares Core MSCI Emerging Markets ETF | 8.52% | 3.29% | 3.29% |
| 5 | iShares Core International Aggregate Bond ETF | 2.89% | 10.43% | 2.89% |
| 6 | iShares Core S&P Mid-Cap ETF | 2.57% | 0.99% | 0.99% |
| 7 | iShares Core S&P Small-Cap ETF | 1.27% | 0.49% | 0.49% |
Only in AOA
0 totalEvery AOA position is also held by AOK.
Only in AOK
0 totalEvery AOK position is also held by AOA.
Related comparisons
More comparisons with AOA
Percentages are holdings overlap with the named fund.
Open AOA or AOK 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.