Shares Outstanding for Illumina (ILMN)
According to Illumina's latest reported financial statements, the company's latest reported diluted shares outstanding is 154.00M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
ILMN
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Latest period
154.00M
YoY change
-3.1%
5Y CAGR
+0.8%
Peak year (2024)
159.00M
Latest annual
154.00M
Shares Outstanding history chart for Illumina (ILMN) from 1999 to 2025
Shares Outstanding history table for Illumina (ILMN) from 1999 to 2025
| Fiscal year | Period ended | Reported | Shares Outstanding | YoY |
|---|---|---|---|---|
| 2025 | 154.00M | -3.1% | ||
| 2024 | 159.00M | +0.6% | ||
| 2023 | 158.00M | +0.6% | ||
| 2022 | 157.00M | +4.0% | ||
| 2021 | 151.00M | +2.0% | ||
| 2020 | 148.00M | -0.7% | ||
| 2019 | 149.00M | 0.0% | ||
| 2018 | 149.00M | +0.7% | ||
| 2017 | 148.00M | 0.0% | ||
| 2016 | 148.00M | -0.7% | ||
| 2015 | 149.00M | +0.0% | ||
| 2014 | 148.98M | +6.5% | ||
| 2013 | 139.94M | +4.7% | ||
| 2012 | 133.69M | -3.8% | ||
| 2011 | 138.94M | -3.1% | ||
| 2010 | 143.43M | +4.6% | ||
| 2009 | 137.10M | +2.6% | ||
| 2008 | 133.61M | +23.4% | ||
| 2007 | 108.31M | +11.1% | ||
| 2006 | 97.51M | +21.4% | ||
| 2005 | 80.29M | +12.0% | ||
| 2004 | 71.69M | +12.3% | ||
| 2003 | 63.85M | +3.4% | ||
| 2002 | 61.78M | +3.8% | ||
| 2001 | 59.50M | +6.9% | ||
| 2000 | 55.63M | +1872.5% | ||
| 1999 | 2.82M | — |
Shares Outstanding 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
The 2025 reading of Illumina (ILMN) diluted shares outstanding is 154.00M – edged down 3.1% year-over-year.
Illumina diluted shares outstanding has recorded the values shown across consecutive periods, with a +0.8% compound annual growth rate over 2020–2025 (5 years).
Between 2024 and 2025, Illumina diluted shares outstanding edged down 3.1%, falling from 159.00M to 154.00M.
Across the available history, diluted shares outstanding reached its high of 159.00M in 2024 and its low of 2.82M in 1999.
Within Healthcare, Illumina (ILMN) ranks 9th among 8 peers we track. The peer median for diluted shares outstanding is 1.34B.
Illumina Shares Outstanding by Year
Illumina Shares Outstanding 2025: 154.00M
Illumina diluted shares outstanding in 2025 was 154.00M, edged down 3.1% below 2024.
Illumina Shares Outstanding 2024: 159.00M
Illumina diluted shares outstanding in 2024 was 159.00M, edged up 0.6% from 2023. This figure represents the highest annual value in the available history.
Illumina Shares Outstanding 2023: 158.00M
Illumina diluted shares outstanding in 2023 was 158.00M, edged up 0.6% from 2022.
Illumina Shares Outstanding 2022: 157.00M
Illumina diluted shares outstanding in 2022 was 157.00M, edged up 4.0% from 2021.
Illumina Shares Outstanding 2021: 151.00M
Illumina diluted shares outstanding in 2021 was 151.00M.
See more financial history for Illumina (ILMN).
Sector peers — Shares Outstanding
Companies in the same sector as Illumina, ranked by their latest diluted shares outstanding.
| Company | Shares Outstanding | Sector |
|---|---|---|
| Novo Nordisk A/S (NVO) | 4.45B | Healthcare |
| Merck & Co., Inc. (MRK) | 2.51B | Healthcare |
| Johnson & Johnson (JNJ) | 2.43B | Healthcare |
| AbbVie Inc. (ABBV) | 1.77B | Healthcare |
| UnitedHealth Group Incorporated (UNH) | 910.00M | Healthcare |
| Eli Lilly and Company (LLY) | 898.00M | Healthcare |
| AstraZeneca PLC (AZN) | 781.00M | Healthcare |
| Amgen Inc. (AMGN) | 542.00M | Healthcare |
Frequently asked questions
What is Illumina's diluted shares outstanding?
- Latest reported diluted shares outstanding for Illumina (ILMN) is 154.00M (period ending December 28, 2025).
How has Illumina diluted shares outstanding changed year-over-year?
- Illumina (ILMN) diluted shares outstanding changed -3.1% year-over-year on the latest annual filing.
What is the long-term growth rate of Illumina diluted shares outstanding?
- Illumina (ILMN) diluted shares outstanding compound annual growth rate is +0.8% over the most recent 5 years available.
When did Illumina diluted shares outstanding hit its highest annual value?
- Illumina diluted shares outstanding reached its highest annual value of 159.00M in 2024.
What was Illumina diluted shares outstanding in 2024?
- Illumina (ILMN) diluted shares outstanding in 2024 was 159.00M.
What was Illumina diluted shares outstanding in 2025?
- Illumina (ILMN) diluted shares outstanding in 2025 was 154.00M.
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