DGX / STOCK · DATA AS OF 2026-10-29
If you invested $1,000
in Quest Diagnostics
If you invested $1,000 in Quest Diagnostics 10 years ago (2016-10), it would be worth $3,780.46 as of 2026-10-29, with dividends reinvested.
Quest Diagnostics: the long view
| $1,000 invested | Actual start | Value today | CAGR |
|---|---|---|---|
| 1 years ago | 2025-10 | $1,461.63 | 46.16% |
| 3 years ago | 2023-10 | $2,057.42 | 27.19% |
| 5 years ago | 2021-10 | $1,897.83 | 13.67% |
| 10 years ago | 2016-10 | $3,780.46 | 14.22% |
| 15 years ago | 2011-10 | $6,072.77 | 12.78% |
| 20 years ago | 2006-10 | $7,078.70 | 10.28% |
| First month covered here | 1997-01 | $91,331.94 | 16.39% |
Dividends reinvested. Requested periods use the latest available month as their endpoint; shorter histories start at the first available month.
A little, every month
Investing $100 at each monthly close after the starting month (2016-10), with no initial lump sum, would turn $12,000.00 contributed into $26,933.68. Contributions start the following month.
Against the benchmark
Over 2016-10 to 2026-10, $1,000 in Quest Diagnostics became $3,780.46; $1,000 in SPY became $4,238.51 with dividends reinvested.
Your questions, answered
What would $1,000 invested in Quest Diagnostics 10 years ago be worth?
If you invested $1,000 in Quest Diagnostics 10 years ago (2016-10), it would be worth $3,780.46 as of 2026-10-29, with dividends reinvested.
How would $100 a month in Quest Diagnostics have performed?
Investing $100 at each monthly close after the starting month (2016-10), with no initial lump sum, would turn $12,000.00 contributed into $26,933.68. Contributions start the following month.
How does this compare with the S&P 500?
Over 2016-10 to 2026-10, $1,000 in Quest Diagnostics became $3,780.46; $1,000 in SPY became $4,238.51 with dividends reinvested.
How much would $1,000 in Quest Diagnostics in 2006 be worth today?
$1,000 invested in Quest Diagnostics at the January 2006 close would be worth $7,160.62 as of October 29, 2026, with dividends reinvested.
Keep exploring
Embed this calculator
$100 a month in Quest Diagnostics