MDY vs ITOT ETF Comparison

State Street SPDR S&P MIDCAP 400 ETF Trust (MDY): U.S. mid-cap stocks. iShares Core S&P Total U.S. Stock Market ETF (ITOT): U.S. total market equities.

8% of MDY is its ten largest holdings.

33% of ITOT is its ten largest holdings.

5% of ITOT is already inside MDY.

100% of MDY is already inside ITOT.

Overlap by weight: 4.9%.

As of August 2026, ETF Copilot compares MDY vs ITOT on Value, Growth, Quality, and Risk.

Updated August 2026

  1. State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) — ETF Copilot score 3.8/10 · top 10 holdings 8% of assets · Tech 16%, Semiconductors 4%
  2. iShares Core S&P Total U.S. Stock Market ETF (ITOT) — ETF Copilot score 5.0/10 · top 10 holdings 33% of assets · Tech 42%, Magnificent 7 29%

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