What If You Invested $1,000 in Illumina (ILMN)?
Enter any amount and start date. We use historical prices to show your hypothetical return.
Illumina
ILMN
Historical extremes
What if you bought at the best or worst time? Check max profit, max drawdown, and total return since IPO.
Max profit
+58,216%
(583.2 times)
- Buy
- Mar 13, 2003
- $0.87
- Sell
- Aug 16, 2021
- $510.06
Buying ILMN at the best price and selling at the peak would have turned $1,000 into $583,158.98.
Max drawdown
96.14%
(fell to 4% of peak)
- Peak
- Sep 1, 2000
- $22.66
- Trough
- Mar 13, 2003
- $0.87
A $1,000 investment in ILMN at the peak would have shrunk to $38.6 at the trough.
Return since IPO
+598.16%
(6.98 times)
- IPO
- Jul 28, 2000
- $19.03
- Current
- Apr 20, 2026
- $132.86
A $1,000 investment in ILMN at IPO would be worth $6,981.61 today.
Frequently asked questions
What is Illumina (ILMN) stock's all-time high (ATH) and all-time low (ATL)?
- Illumina (ILMN) stock's all-time low (ATL) was $0.87 on Mar 13, 2003. The all-time high (ATH) was $510.06 on Aug 16, 2021.
What if you invested $1,000 in Illumina (ILMN) stock for maximum profit?
- Buying Illumina (ILMN) stock at the best price ($0.87 on Mar 13, 2003) and selling at the peak ($510.06 on Aug 16, 2021) would have turned $1,000 into $583,158.98. Historical return: +58,215.90% (583.2 times).
What are Illumina (ILMN)'s best buy and sell dates for maximum profit?
- The best buy date for Illumina (ILMN) stock was Mar 13, 2003 at $0.87. The best sell date was Aug 16, 2021 at $510.06. This investment would have returned +58,215.90% (583.2 times).
What was Illumina (ILMN) stock's maximum drawdown?
- Illumina (ILMN) stock's worst decline was 96.14% (fell to 4% of peak) from peak to trough. Peak: $22.66 on Sep 1, 2000. Trough: $0.87 on Mar 13, 2003. A $1,000 investment at the peak would have been worth $38.6 at the trough.
What if you bought Illumina (ILMN) stock at IPO?
- A $1,000 investment in Illumina (ILMN) stock at IPO ($19.03 on Jul 28, 2000) would be worth $6,981.61 today. Historical return: +598.16% (6.98 times). Current stock price: $132.86 as of Apr 20, 2026.
What if you invested $1,000 in Illumina (ILMN) 5 years ago?
- A $1,000 investment in Illumina (ILMN) stock 5 years ago ($387.17 on Apr 20, 2021) would be worth $343.16 today. Historical return: 65.68% (0.34 times). Current stock price: $132.86 as of Apr 20, 2026.
What if you invested $1,000 in Illumina (ILMN) 10 years ago?
- A $1,000 investment in Illumina (ILMN) stock 10 years ago ($135.55 on Apr 20, 2016) would be worth $980.15 today. Historical return: 1.98% (0.98 times). Current stock price: $132.86 as of Apr 20, 2026.
What if you invested $1,000 in Illumina (ILMN) 20 years ago?
- A $1,000 investment in Illumina (ILMN) stock 20 years ago ($14.24 on Apr 20, 2006) would be worth $9,330.06 today. Historical return: +833.01% (9.33 times). Current stock price: $132.86 as of Apr 20, 2026.
Data & methodology
How does the investment calculator work?
- Enter an investment amount and a start date. We use historical stock prices to calculate how many shares you would have bought, then apply the current price to show your hypothetical portfolio value and return.
What are Historical extremes?
- Max profit: the best buy and sell dates that maximize percentage return. Max drawdown: the largest peak-to-trough decline in price. Return since IPO: total return from IPO date to the latest price.
What is Max drawdown?
- Maximum drawdown is the largest peak-to-trough decline in price. It shows the worst drop from any prior high to a subsequent low. Peak and Trough are the dates and prices at which this decline occurred.
Does this include dividends?
- The calculator uses adjusted closing prices when available, which account for stock splits and dividends. For the most accurate results, we recommend using data that includes dividend adjustments.
Where does the price data come from?
- Historical prices are dividend-adjusted closing prices from our data provider. The calculator and Historical extremes use the same data source for consistent results.
How are the dollar amounts in the cards calculated?
- The dollar amounts in Historical extremes use the investment amount you select in the calculator above (e.g. $1,000). They show what your investment would have been worth at the Buy/Peak/IPO date versus the Sell/Trough/Current date.
What date range can I use?
- The available date range depends on our historical price data for ILMN. You can select any date between our first and most recent data point.
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