Market Cap for Illumina (ILMN)
According to Illumina's latest reported financial statements, the company's latest reported market cap is $20.78B USD. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
ILMN
Currently viewingMarket CapSwitch metric
Latest period
$20.78B
YoY change
-10.8%
5Y CAGR
-19.8%
Peak year (2021)
$55.83B
Latest annual
$18.54B
Market Cap history chart for Illumina (ILMN) from 2000 to 2026
Market Cap history table for Illumina (ILMN) from 2000 to 2026
| Fiscal year | Period ended | Reported | Market Cap | YoY |
|---|---|---|---|---|
| 2026 | $18.54B | -10.8% | ||
| 2025 | $20.78B | -3.4% | ||
| 2024 | $21.51B | +0.6% | ||
| 2023 | $21.38B | -30.7% | ||
| 2022 | $30.85B | -44.7% | ||
| 2021 | $55.83B | +4.9% | ||
| 2020 | $53.22B | +10.6% | ||
| 2019 | $48.12B | +10.8% | ||
| 2018 | $43.43B | +38.2% | ||
| 2017 | $31.43B | +70.7% | ||
| 2016 | $18.42B | -33.7% | ||
| 2015 | $27.79B | +4.0% | ||
| 2014 | $26.72B | +77.7% | ||
| 2013 | $15.04B | +108.3% | ||
| 2012 | $7.22B | +75.5% | ||
| 2011 | $4.12B | -53.4% | ||
| 2010 | $8.83B | +116.0% | ||
| 2009 | $4.09B | +20.8% | ||
| 2008 | $3.38B | +8.5% | ||
| 2007 | $3.12B | +67.5% | ||
| 2006 | $1.86B | +238.6% | ||
| 2005 | $550.01M | +66.4% | ||
| 2004 | $330.49M | +50.9% | ||
| 2003 | $219.01M | +116.2% | ||
| 2002 | $101.32M | -70.2% | ||
| 2001 | $339.72M | -21.8% | ||
| 2000 | $434.49M | — |
Market Cap values are taken from Illumina's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
As of the 2026 fiscal year, Illumina (ILMN) reported market cap of $18.54B – declined 10.8% year-over-year.
Across 2021–2026 (5 years), Illumina market cap produced a CAGR of -19.8% – with a net decline across the window.
Between 2021 and 2026, Illumina market cap plunged 66.8%, falling from $55.83B to $18.54B.
Across the available history, market cap reached its high of $55.83B in 2021 and its low of $101.32M in 2002.
Within Healthcare, Illumina (ILMN) ranks 9th among 8 peers we track. The peer median for market cap is $311.16B.
Illumina Market Cap by Year
Illumina Market Cap 2026: $18.54B
Illumina market cap in 2026 was $18.54B, declined 10.8% below 2025.
Illumina Market Cap 2025: $20.78B
Illumina market cap in 2025 was $20.78B, edged down 3.4% below 2024.
Illumina Market Cap 2024: $21.51B
Illumina market cap in 2024 was $21.51B, edged up 0.6% from 2023.
Illumina Market Cap 2023: $21.38B
Illumina market cap in 2023 was $21.38B, plunged 30.7% below 2022.
Illumina Market Cap 2022: $30.85B
Illumina market cap in 2022 was $30.85B.
See more financial history for Illumina (ILMN).
Sector peers — Market Cap
Companies in the same sector as Illumina, ranked by their latest market cap.
| Company | Market Cap | Sector |
|---|---|---|
| Eli Lilly and Company (LLY) | $825.77B | Healthcare |
| Johnson & Johnson (JNJ) | $548.34B | Healthcare |
| AbbVie Inc. (ABBV) | $349.67B | Healthcare |
| UnitedHealth Group Incorporated (UNH) | $332.91B | Healthcare |
| AstraZeneca PLC (AZN) | $289.41B | Healthcare |
| Merck & Co., Inc. (MRK) | $272.11B | Healthcare |
| Amgen Inc. (AMGN) | $183.05B | Healthcare |
| Novo Nordisk A/S (NVO) | $182.96B | Healthcare |
Frequently asked questions
What is Illumina's market cap?
- Latest reported market cap for Illumina (ILMN) is $20.78B (period ending December 28, 2025).
How has Illumina market cap changed year-over-year?
- Illumina (ILMN) market cap changed -10.8% year-over-year on the latest annual filing.
What is the long-term growth rate of Illumina market cap?
- Illumina (ILMN) market cap compound annual growth rate is -19.8% over the most recent 5 years available.
When did Illumina market cap hit its highest annual value?
- Illumina market cap reached its highest annual value of $55.83B in 2021.
What was Illumina market cap in 2025?
- Illumina (ILMN) market cap in 2025 was $20.78B.
What was Illumina market cap in 2026?
- Illumina (ILMN) market cap in 2026 was $18.54B.
Metrics overview
Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.
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