What would 100 shares of Mcdonalds stock bought in 1965 be worth today?

$7,974.72
The offering price of MSFT stock was $21.00 per share at the IPO on March 13, 1986. If you had bought 1 share at the offering, you would now have 288 split-adjusted shares. So you would be worth 288 * 27.69 = $7,974.72

Someone who invested $10,000 in the company's IPO would own a stake worth roughly close to $3,000,000 today.

There have been Five 2 for 1 splits and two 3 for 2 splits.

100X2=200, 200X2=400, 400X2=800, 800X2=1600, 1600X2=3200 then 3200X1.5=4800, and 1.5X4800=7200

$10,000 at IPO would be $10,000/$21= 476 shares.

476X72 (72 to 1 is the split ratio) = 34,272 shares. Last week MSFT was right at $30.

34,272X$30=$1,028,160