MID vs MDY
5YAmerican Century Mid Cap Growth Impact ETF · $146MState Street SPDR S&P MIDCAP 400 ETF Trust · $26.6B
+14.9%3 years · per year$15,187 · $15,665+16.1%
+3.6%5 years · per year$11,943 · $13,735+6.6%
0.39%Expense ratio$39 · $23 on $10k · lower wins0.23%
0.11%12-mo yield$11 · $107 on $10k1.06%
−13.9%Worst dropSmaller wins−8.8%
18.0%VolatilityLower wins15.4%
0–6MDY wins
$10,000 · 5 yearsOne scale
Shared top holdingsMID · MDY
1.5%TOST0.5%
4.4%WCC0.4%
4.8%MTSI0.4%
1.4%DUOL0.2%
Held in common1.5%
End-of-day Nov 6, 2026 · $10,000 5 years ago, dividends reinvested · ● winner of the row · each row scaled to the bigger of the two