McDonald's Corporation (NYSE: MCD) has more than 37,000 restaurant locations globally in over 100 countries, with at least 80% owned and operated by franchisees. The company announced its Q3 2018 results on October 23, 2018, reporting $5.37 billion in revenue, a 6.6% decrease from the $5.7 billion reported in Q3 2017.

Here are the four largest mutual fund holders of McDonald's, as of October 2018.

Vanguard Total Stock Market Index Fund (VTSMX)

The largest mutual fund holder, Vanguard Total Stock Market Index Fund (VTSMX), owns 19.7 million shares of McDonald's, or 2.54% of the company, as of October 23, 2018. This mutual fund is designed to give broad exposure to the total U.S. stock market by including small-cap, mid-cap and large-cap growth and value stocks. The fund has $756.6 billion in net assets invested across 3,680 stocks, with MCD making up 0.43% of the company's total portfolio. The minimum investment is $3,000. 

Vanguard 500 Index Fund Investor Shares (VFINX)

The Vanguard 500 Index Fund (VFINX) owns 14.4 million shares of McDonald's. The fund is invested in 509 stocks covering a diversified spectrum of the largest U.S. companies, mirroring the S&P 500 Index. The total net assets are $459.3 billion, with 0.53% of the fund's total portfolio invested in MCD. VFINX's 14.4 million MCD shares represent 1.86% of the company.

SPDR S&P 500 ETF (SPY)

The SPDR S&P 500 ETF (SPY) is famed for being the first ever Exchange Traded Fund and tracks the S&P 500 just like VFINX. SPDR's net assets amount to $259.8 billion, with 0.53% of its portfolio invested in McDonald's stock. As of October 2018, SPY owns 8.8 million shares of McDonald's, or 1.14% of the company.

American Funds Income Fund of America (AMECX)

The fourth-largest mutual fund holder of McDonald's is the American Funds Income Fund of America (AMECX). This mutual fund is invested in more than 690 stocks, with investments in both the stock and bond markets. AMECX owns 7.6 million shares of MCD, or about 0.98% of the company, as of October 2018. McDonald's stock makes up 1.23% of the fund's net assets, and the total assets in its portfolio amount to $105.6 billion.

Vanguard Institutional Index Fund Institutional Shares (VINIX) 

This $235.2 billion-institutional fund tracks the S&P 500 Index following a passively-managed, full-replication approach invested in 506 stocks. The Vanguard Institutional Index Fund Institutional Shares (VINIX) owned 7.4 million shares of MCD as of October 2018, approximately 0.95% of the company. McDonald's represents 0.53% of this mutual fund's total portfolio assets. This is the institutional version of the Vanguard 500 Index Fund and is available only to institutional investors. The minimum investment is $5 million.