IVV vs OEF: holdings overlap, shared companies and scores

As of September 11, 2026, IVV and OEF overlap 72.8% by weight. iShares Core S&P 500 ETF (IVV): S&P 500 index. iShares S&P 100 ETF (OEF): Top 100 U.S. stocks.

Updated September 11, 2026

How much do IVV and OEF overlap?

As of September 11, 2026, IVV and OEF overlap 72.8% by weight.

73% of IVV is already inside OEF.

100% of OEF is already inside IVV.

IVV holds 506 companies and OEF holds 104; 103 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 IVV and OEF?

As of September 11, 2026, ETF Copilot scores IVV 5.3 out of 10 and OEF 5.4 out of 10.

They differ most on Growth: IVV 2.7 and OEF 1.8.

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

IVV vs OEF — ETF Copilot factor scores, 0–10
FactorIVVOEF
Growth2.71.8
Valuation2.32.6
Risk5.04.8
Quality8.89.6
Return7.88.3

IVV is the cheaper of the two at 0.03% a year

As of September 11, 2026, IVV charges 0.03% a year, yields 1.11% and holds $870.6B in assets across 506 positions.

As of September 11, 2026, OEF charges 0.20% a year, yields 0.95% and holds $20.5B in assets across 104 positions.

IVV vs OEF — cost, income and size
MeasureIVVOEF
Expense ratio0.03%0.20%
Dividend yield1.11%0.95%
Assets under management$870.6B$20.5B
Holdings506104

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.

Where IVV and OEF trade against their own history

IVV trades at 25.4 times earnings, against its own median of 21.6, and is more expensive than 84% of its own 114 monthly readings since 2017.

OEF trades at 26.1 times earnings, against its own median of 22.1, and is more expensive than 86% of its own 114 monthly readings since 2017.

What moved IVV and OEF this week

IVV fell 1.2% in the week to September 11, 2026. The holdings that moved it most were Nvidia (−4.4%), Microsoft (−2.8%) and Eli Lilly (−3.8%); Advanced Micro Devices (+13.1%) pushed the other way.

OEF fell 1.0% in the week to September 11, 2026. The holdings that moved it most were Nvidia (−4.4%), Microsoft (−2.8%) and Eli Lilly (−3.8%); Advanced Micro Devices (+13.1%) pushed the other way.

What do IVV and OEF each hold?

What's inside IVV: Tech 46%, Magnificent 7 34%.

38% of IVV is its ten largest holdings.

What's inside OEF: Tech 55%, Magnificent 7 47%.

52% of OEF is its ten largest holdings.

Compare with similar funds

Cite this

ETF Copilot, “IVV vs OEF holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/ivv-vs-oef

  1. iShares Core S&P 500 ETF (IVV)
  2. iShares S&P 100 ETF (OEF)

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