ETF comparison
SPY vs VOO
Both US Large Cap.
Holdings overlap
492 positions appear in both funds. Buying equal dollars of SPY and VOO would leave roughly 89.6% 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
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
VOO is 6 bps cheaper than SPY. On a $100,000 position that's about $64/yr more in fees for SPY.
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 SPY vs VOO.
Top shared holdings
492 shared in total| # | Holding | In SPY | In VOO | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORP | 7.30% | 7.51% | 7.30% |
| 2 | APPLE INC | 7.69% | 6.59% | 6.59% |
| 3 | MICROSOFT CORP | 6.22% | 4.30% | 4.30% |
| 4 | AMAZON.COM INC | 3.94% | 3.62% | 3.62% |
| 5 | ALPHABET INC CL A | 2.56% | 3.25% | 2.56% |
| 6 | BROADCOM INC | 2.33% | 2.77% | 2.33% |
| 7 | ALPHABET INC CL C | 2.06% | 2.59% | 2.06% |
| 8 | META PLATFORMS INC CLASS A | 2.09% | 1.92% | 1.92% |
| 9 | TESLA INC | 1.64% | 1.84% | 1.64% |
| 10 | ELI LILLY + CO | 1.71% | 1.47% | 1.47% |
| 11 | BERKSHIRE HATHAWAY INC CL B | 1.63% | 1.42% | 1.42% |
| 12 | MICRON TECHNOLOGY INC | 1.35% | 2.02% | 1.35% |
Only in SPY
12 total- EXXONMOBIL HOLDINGS CORP 1.05%
- BLOOM ENERGY CORP A 0.09%
- ONEOK INC 0.08%
- FERGUSON ENTERPRISES INC 0.07%
- VYLOR INC 0.07%
- EVERPURE INC A 0.06%
- ILLUMINA INC 0.05%
- TWILIO INC A 0.05%
- OKTA INC 0.05%
- AMCOR PLC 0.03%
Only in VOO
12 total- Exxon Mobil Corp 0.88%
- Warner Bros Discovery Inc 0.10%
- Corteva Inc 0.09%
- ONEOK Inc 0.08%
- Electronic Arts Inc 0.07%
- Kenvue Inc 0.06%
- AvalonBay Communities Inc 0.04%
- Amcor PLC 0.03%
- Builders FirstSource Inc 0.01%
- Trade Desk Inc/The 0.01%
Related comparisons
More comparisons with SPY
More comparisons with VOO
- VOO vs SCHK · Schwab 1000 ETF 89.0%
- VOO vs VONE · Vanguard Russell 1000 Index Fund ETF Shares 88.3%
- VOO vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 88.1%
- VOO vs VTI · Vanguard Morningstar Total Stock Market ETF 88.1%
- VOO vs IWV · iShares Russell 3000 ETF 87.8%
- VOO vs DFUS · Dimensional U.S. Equity Market ETF 87.7%
Percentages are holdings overlap with the named fund.
Open SPY or VOO 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.