ETF comparison
OEF vs SPY
Both US Large Cap.
Holdings overlap
98 positions appear in both funds. Buying equal dollars of OEF and SPY would leave roughly 71.3% 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
SPY is 11 bps cheaper than OEF. On a $100,000 position that's about $106/yr more in fees for OEF.
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 OEF vs SPY.
Top shared holdings
98 shared in total| # | Holding | In OEF | In SPY | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORP | 10.47% | 8.50% | 8.50% |
| 2 | APPLE INC | 9.18% | 7.32% | 7.32% |
| 3 | MICROSOFT CORP | 5.99% | 5.77% | 5.77% |
| 4 | AMAZON.COM INC | 5.04% | 3.71% | 3.71% |
| 5 | ALPHABET INC | 4.53% | 3.03% | 3.03% |
| 6 | BROADCOM INC | 3.86% | 2.54% | 2.54% |
| 7 | ALPHABET INC | 3.61% | 2.43% | 2.43% |
| 8 | META PLATFORMS INC | 2.67% | 2.41% | 2.41% |
| 9 | MICRON TECHNOLOGY INC | 2.81% | 1.82% | 1.82% |
| 10 | TESLA INC | 2.56% | 1.57% | 1.57% |
| 11 | ADVANCED MICRO DEVICES INC | 2.05% | 1.55% | 1.55% |
| 12 | BERKSHIRE HATHAWAY INC | 1.98% | 1.41% | 1.41% |
Only in OEF
4 total- EXXONMOBIL HOLDINGS CORP 1.22%
- LINDE PLC 0.52%
- MEDTRONIC PLC 0.22%
- ACCENTURE PLC 0.17%
Only in SPY
407 total- EXXONMOBIL HOLDINGS CORP 1.01%
- PALO ALTO NETWORKS INC 0.49%
- CROWDSTRIKE HOLDINGS INC A 0.41%
- KLA CORP 0.41%
- SANDISK CORP 0.38%
- MARVELL TECHNOLOGY INC 0.36%
- LINDE PLC 0.33%
- ARISTA NETWORKS INC 0.33%
- AMPHENOL CORP CL A 0.32%
- ANALOG DEVICES INC 0.31%
Related comparisons
More comparisons with OEF
- OEF vs SCHX · Schwab U.S. Large-Cap ETF 69.5%
- OEF vs VONE · Vanguard Russell 1000 Index Fund ETF Shares 68.0%
- OEF vs FELC · Fidelity Enhanced Large Cap Core ETF 66.5%
- OEF vs IWB · iShares Russell 1000 ETF 66.1%
- OEF vs SCHB · Schwab U.S. Broad Market ETF 65.1%
- OEF vs VUG · Vanguard Morningstar Growth ETF 63.4%
More comparisons with SPY
- SPY vs AVUS · Avantis US Equity ETF 69.0%
- SPY vs VOOG · Vanguard S&P 500 Growth Index Fund ETF Shares 66.1%
- SPY vs DFAC · U.S. Core Equity 2 Portfolio-ETF Class Shares 66.0%
- SPY vs SPYG · State Street SPDR Portfolio S&P 500 Growth ETF 65.2%
- SPY vs IVW · iShares S&P 500 Growth ETF 65.2%
- SPY vs FELC · Fidelity Enhanced Large Cap Core ETF 64.7%
Percentages are holdings overlap with the named fund.
Open OEF or SPY 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.