07/16/2026
66% of individual stocks trailed their own index over 40 years.
After the run tech stocks have had this year, a portfolio that started the year balanced can end it concentrated — one position quietly doing all the heavy lifting.
J.P. Morgan studied every stock in the Russell 3000 from 1980 to 2020. The odds facing any single stock were sobering.
The numbers:
→ 66% delivered worse returns than the index itself
→ 42% lost money outright over their lifetime
→ More than 40% fell 70%+ from their peak and never recovered
→ Only about 1 in 10 became a "megawinner"
To be fair: a concentrated position may be how you built your wealth in the first place. And unwinding one has real trade-offs — capital gains taxes and IRMAA surcharges (if 65 and over) chief among them. The right move depends on your situation.
But hope is not a plan. If a single stock now dominates your portfolio, put the exit rules in writing before the market writes them for you: staged sales, charitable gifts of appreciated shares, an exchange fund, and more...
Educational only — not individualized advice.