ETF comparison
IVV vs VO
US Large Cap vs US Mid Cap.
Holdings overlap
248 positions appear in both funds. Buying equal dollars of IVV and VO would leave roughly 16.4% 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 IVV vs VO.
Top shared holdings
248 shared in total| # | Holding | In IVV | In VO | Overlap |
|---|---|---|---|---|
| 1 | Western Digital Corp. | 0.34% | 1.06% | 0.34% |
| 2 | Seagate Technology Holdings plc | 0.34% | 1.05% | 0.34% |
| 3 | Vertiv Holdings Co. | 0.20% | 1.22% | 0.20% |
| 4 | Quanta Services, Inc. | 0.17% | 1.04% | 0.17% |
| 5 | Howmet Aerospace, Inc. | 0.17% | 1.04% | 0.17% |
| 6 | Newmont Corp. | 0.15% | 0.48% | 0.15% |
| 7 | Cummins, Inc. | 0.15% | 0.95% | 0.15% |
| 8 | Fortinet, Inc. | 0.15% | 0.46% | 0.15% |
| 9 | Williams Cos., Inc. (The) | 0.14% | 0.44% | 0.14% |
| 10 | Johnson Controls International plc | 0.14% | 0.43% | 0.14% |
| 11 | Datadog, Inc. | 0.13% | 0.83% | 0.13% |
| 12 | Constellation Energy Corp. | 0.12% | 0.78% | 0.12% |
Only in IVV
256 total- NVIDIA Corp. 7.51%
- Apple, Inc. 6.58%
- Microsoft Corp. 4.29%
- Amazon.com, Inc. 3.61%
- Alphabet, Inc. 3.25%
- Broadcom, Inc. 2.77%
- Alphabet, Inc. 2.59%
- Micron Technology, Inc. 2.02%
- Meta Platforms, Inc. 1.92%
- Tesla, Inc. 1.83%
Only in VO
34 total- Bloom Energy Corp 0.79%
- Cloudflare Inc 0.76%
- Rocket Lab Corp 0.57%
- Cheniere Energy Inc 0.48%
- Ferguson Enterprises Inc 0.45%
- Waste Connections Inc 0.41%
- Snowflake Inc 0.41%
- Alnylam Pharmaceuticals Inc 0.39%
- Coreweave Inc 0.37%
- Astera Labs Inc 0.36%
Related comparisons
More comparisons with IVV
- IVV vs SPLV · Invesco S&P 500 Low Volatility ETF 16.4%
- IVV vs MOAT · VanEck Morningstar Wide Moat ETF 14.7%
- IVV vs SDY · State Street SPDR S&P Dividend ETF 14.1%
- IVV vs IWR · iShares Russell Mid-Cap ETF 13.3%
- IVV vs VLUE · iShares MSCI USA Value Factor ETF 13.2%
- IVV vs IWS · iShares Russell Mid-Cap Value ETF 11.5%
More comparisons with VO
- VO vs DGRO · iShares Core Dividend Growth ETF 16.2%
- VO vs IWB · iShares Russell 1000 ETF 16.2%
- VO vs SCHK · Schwab 1000 ETF 16.1%
- VO vs VTI · Vanguard Morningstar Total Stock Market ETF 16.0%
- VO vs VONE · Vanguard Russell 1000 Index Fund ETF Shares 15.8%
- VO vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 15.8%
Percentages are holdings overlap with the named fund.
Open IVV or VO 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.