ETF comparison
OEFvsSPYM
Both US Large Cap.
iShares S&P 100 ETF · State Street SPDR Portfolio S&P 500 ETF
Holdings overlap
102 positions appear in both funds. Buying equal dollars of OEF and SPYM would leave roughly71.6%of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — seewhat we don't scorefor why.
Cost difference
SPYM is 18 bps cheaper than OEF. On a $100,000 position that's about $180/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 thecost calculator pre-filled with OEF vs SPYM.
Top shared holdings
102 shared in total| # | Holding | In OEF | In SPYM | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORP | 10.47% | 7.51% | 7.51% |
| 2 | APPLE INC | 9.18% | 6.59% | 6.59% |
| 3 | MICROSOFT CORP | 5.99% | 4.29% | 4.29% |
| 4 | AMAZON.COM INC | 5.04% | 3.62% | 3.62% |
| 5 | ALPHABET INC | 4.53% | 3.25% | 3.25% |
| 6 | BROADCOM INC | 3.86% | 2.77% | 2.77% |
| 7 | ALPHABET INC | 3.61% | 2.59% | 2.59% |
| 8 | MICRON TECHNOLOGY INC | 2.81% | 2.02% | 2.02% |
| 9 | META PLATFORMS INC | 2.67% | 1.92% | 1.92% |
| 10 | TESLA INC | 2.56% | 1.83% | 1.83% |
| 11 | ELI LILLY & COMPANY | 2.05% | 1.47% | 1.47% |
| 12 | ADVANCED MICRO DEVICES INC | 2.05% | 1.47% | 1.47% |
Only in OEF
0 totalEvery OEF position is also held by SPYM.
Only in SPYM
405 total- KLA Corp0.61%
- Sandisk Corp0.52%
- Palo Alto Networks Inc0.43%
- Marvell Technology Inc0.40%
- Western Digital Corp0.34%
- Amphenol Corp0.34%
- Seagate Technology Holdings PLC0.34%
- Corning Inc0.31%
- Crowdstrike Holdings Inc0.30%
- Analog Devices Inc0.30%
Open OEF or SPYM 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 methodologyand 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.