Simplot’s Early Micron Bet Would Be Worth Hundreds of Billions Before Dilution
J.R. Simplot invested $1 million in 1980 for a 40% stake in Micron Technology, which began in a Boise dentist’s office. Micron’s market value now exceeds $1.2 trillion, but dilution reduced Simplot’s ownership to about 3.6% by 2000. The article contrasts the hypothetical value of the original stake with the smaller real outcome.
Micron began on October 5, 1978, in a Boise dentist’s office basement, founded by Ward Parkinson, Joe Parkinson, Dennis Wilson, and Doug Pitman. Two years later, Simplot—a teenage hog farmer turned potato-processing magnate—wrote a $1 million check for 40% of the young memory-chip company. He had already supplied McDonald’s with frozen fries through a 1967 handshake with Ray Kroc.
As Micron repeatedly raised capital, Simplot’s slice fell to about 20% by 1994, then 3.6% by September 2000. Micron’s market value now exceeds $1.2 trillion; its shares recently traded near $1,082 and crossed the $1 trillion mark in May 2026. The company remains based in Boise.
This story may influence how ordinary investors think about early-stage risk, dilution, and patience. It could prompt founders, employees, and retirement savers to examine ownership percentages and share issuance, not just headline valuations. It may also draw attention to Boise’s technology sector and semiconductor supply chains, affecting local economies and investors exposed to chip demand. The outcome remains a historical example, not a prediction.