ETF Copilot

OEF vs SPYM: holdings overlap, shared companies and scores

As of October 9, 2026, OEF and SPYM overlap 74.1% by weight. iShares S&P 100 ETF (OEF): Top 100 U.S. stocks. State Street SPDR Portfolio S&P 500 ETF (SPYM): S&P 500 index.

Updated October 9, 2026

Where OEF and SPYM trade against their own history

OEF trades at 25.5 times earnings, against its own median of 23.7, and is more expensive than 64% of its own 115 monthly readings since 2017.

SPYM trades at 24.7 times earnings, against its own median of 23.4, and is more expensive than 60% of its own 109 monthly readings since 2017.

What moved OEF and SPYM this week

OEF rose 1.1% in the week to October 9, 2026. The holdings that moved it most were Microsoft (+3.4%), Amazon.com (+4.3%) and Alphabet (+2.4%); Nvidia (−2.0%) pushed the other way.

SPYM rose 1.1% in the week to October 9, 2026. The holdings that moved it most were Microsoft (+3.4%), Amazon.com (+4.3%) and Palantir Technologies (+10.8%); Nvidia (−2.0%) pushed the other way.

What do OEF and SPYM each hold?

What's inside OEF: Tech 54%, Magnificent 7 47%.

53% of OEF is its ten largest holdings.

What's inside SPYM: Tech 45%, Magnificent 7 35%.

39% of SPYM is its ten largest holdings.

How much do OEF and SPYM overlap? 74.1% by weight

As of October 9, 2026, OEF and SPYM overlap 74.1% by weight.

100% of OEF is already inside SPYM.

74% of SPYM is already inside OEF.

OEF holds 104 companies and SPYM holds 506; 101 are in both.

Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.

How does ETF Copilot score OEF and SPYM? 7.3 and 7.1 out of 10

As of October 9, 2026, ETF Copilot scores OEF 7.3 out of 10 and SPYM 7.1 out of 10.

They differ most on Risk: OEF 5.6 and SPYM 6.8.

The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.

OEF vs SPYM — ETF Copilot factor scores, 0–10
FactorOEFSPYM
Growth8.47.6
Value2.93.5
Risk5.66.8
Quality9.68.7
Return8.68.2

SPYM is the cheaper of the two at 0.02% a year

As of October 9, 2026, OEF charges 0.20% a year, yields 0.84% and holds $20.9B in assets across 104 positions.

As of October 9, 2026, SPYM charges 0.02% a year, yields 1.00% and holds $178.5B in assets across 506 positions.

OEF vs SPYM — cost, income and size
MeasureOEFSPYM
Expense ratio0.20%0.02%
Dividend yield0.84%1.00%
Assets under management$20.9B$178.5B
Holdings104506

Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.

Compare with similar funds

Cite this

ETF Copilot, “OEF vs SPYM holdings overlap and scores”, as of October 9, 2026.
https://etf-copilot.com/compare/oef-vs-spym

  1. iShares S&P 100 ETF (OEF)
  2. State Street SPDR Portfolio S&P 500 ETF (SPYM)

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