MGCvsVOO

Vanguard Mega Cap ETF or Vanguard 500 ETF, side by side from their own SEC filings. 81% of their stock holdings are the same at the same weight, across 171 stocks in both. VOO costs 0.03% a year against 0.05% for MGC, $2 a year less on $10,000. Over the last twelve months MGC returned +31.6% and VOO +22.3%.

81%of the two portfolios is the same stocks at the same weight
MGC100% in stocks the other holds too
VOO83% in stocks the other holds too
stocks in bothstocks only in that fundbonds, cash and unmatched shares

The two funds

From each fund's latest N-PORT filing and its prospectus.

MGCVOOYearly cost0.05%0.03%Net assets$10.8B$1.7TPositions182520Last 12 months+31.6%+22.3%3 years, a year+25.0%+20.6%5 years, a year+14.9%+13.4%Largest holdingNVDA 9.1%NVDA 7.5%Main sectorTechnology 43%Technology 38%Holdings as ofMay 31, 2026Jun 30, 2026

Returns are total returns with dividends reinvested, from the funds’ own monthly figures; “(price)” marks a fund whose filing record is younger than a year, whose twelve months are its price change. The stronger figure in each row is set in bold. Past returns say what happened, not what will.

Growth of $100

Both funds from September 2019, the first month both report, dividends reinvested.

MGC$302VOO$286
September 2019May 2026

Only in MGC

Its biggest stocks the other fund does not hold.

  1. SNOWSnowflake Inc.0.1%

More comparisons

From each fund’s Form N-PORT (MGC: May 2026, VOO: June 2026) and prospectus, via the SEC’s public data sets. Overlap counts only the stocks we can match to a listing: stock by stock, the smaller of the two weights, added up.