Illumina (ILMN) Shares Outstanding (Diluted) (2009 - 2026)
Illumina (ILMN) reported Weighted Average Shares Outstanding (Diluted) of 153 million for Q3 2026, down 0.6% from 154 million a year earlier and unchanged from the prior quarter.
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Analysis
Illumina (ILMN) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends
For FY2025, Illumina posted Weighted Average Shares Outstanding (Diluted) of 156 million, down 1.9% from FY2024.
- Weighted Average Shares Outstanding (Diluted) has a four-year compound annual growth rate of 1.3% (FY2021 to FY2025).
- By year, Weighted Average Shares Outstanding (Diluted) came in at 159 million in FY2024 (+0.6%), 158 million in FY2023 (+0.6%), 157 million in FY2022 and 148 million in FY2021.
- Five-year quarterly Weighted Average Shares Outstanding (Diluted) spans a low of 153 million in Q2 2026 and a high of 160 million in Q3 2024.
- Year over year, Weighted Average Shares Outstanding (Diluted) has now declined in each of the last six quarters, with an average decline of 1.6% over the last eight quarters.
- The high point for year-over-year Weighted Average Shares Outstanding (Diluted) in five years was Q3 2024 (growth of 1.3%); the low point was Q3 2025 (a decline of 3.8%).
- Per Business Quant data, the three quarters before Q3 2026 came in at 153 million (Q2 2026), 154 million (Q1 2026) and 156 million (Q4 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Thermo Fisher Scientific | 258.73 Bn | 235.24 Bn | 5.13 Bn | 371.00 Mn |
| 2 | Abbott Laboratories | 201.90 Bn | 172.33 Bn | 7.27 Bn | 1.74 Bn |
| 3 | Intuitive Surgical | 167.84 Bn | 148.13 Bn | 2.08 Bn | 351.60 Mn |
| 4 | Danaher | 164.30 Bn | 143.95 Bn | 3.84 Bn | 706.80 Mn |
| 5 | Medtronic | 135.01 Bn | 100.26 Bn | 6.34 Bn | 1.29 Bn |
| 6 | Stryker | 132.11 Bn | 118.30 Bn | 4.25 Bn | 386.00 Mn |
| 7 | Boston Scientific | 65.79 Bn | 61.23 Bn | 3.43 Bn | 1.45 Bn |
| 8 | Edwards Lifesciences | 59.52 Bn | 42.72 Bn | 1.35 Bn | 577.60 Mn |
| 9 | Becton Dickinson | 58.38 Bn | 55.53 Bn | 2.32 Bn | 275.16 Mn |
| 10 | Illumina | 32.39 Bn | 27.10 Bn | 830.00 Mn | 153.00 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 27, 2026 | 153.00 Mn |
| Jun 28, 2026 | 153.00 Mn |
| Mar 29, 2026 | 154.00 Mn |
| Dec 28, 2025 | 156.00 Mn |
| Sep 28, 2025 | 154.00 Mn |
| Jun 29, 2025 | 157.00 Mn |
| Mar 30, 2025 | 159.00 Mn |
| Dec 29, 2024 | 159.00 Mn |
| Sep 29, 2024 | 160.00 Mn |
| Jun 30, 2024 | 159.00 Mn |
| Mar 31, 2024 | 159.00 Mn |
| Dec 31, 2023 | 158.00 Mn |
| Oct 1, 2023 | 158.00 Mn |
| Jul 2, 2023 | 158.00 Mn |
| Apr 2, 2023 | 158.00 Mn |
| Jan 1, 2023 | 157.00 Mn |
| Oct 2, 2022 | 157.00 Mn |
| Jul 3, 2022 | 157.00 Mn |
| Apr 3, 2022 | 159.00 Mn |
| Jan 2, 2022 | 151.00 Mn |
API Access
Illumina Shares Outstanding (Diluted) API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=ILMN&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "ILMN", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=ILMN&period=max&api_key=YOUR_API_KEY");
const data = await res.json();