Intuitive Surgical (ISRG) Shares Outstanding (Diluted) (2009 - 2026)
Intuitive Surgical (ISRG) reported Weighted Average Shares Outstanding (Diluted) of 351.6 million for Q3 2026, down 2.8% from 361.8 million a year earlier and down 1.6% from the prior quarter.
Intuitive Surgical (ISRG) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends
For FY2025, Intuitive Surgical posted Weighted Average Shares Outstanding (Diluted) of 362.7 million, up 0.2% from FY2024.
- Weighted Average Shares Outstanding (Diluted) has a five-year compound annual growth rate of 0.1% (FY2020 to FY2025).
- By year, Weighted Average Shares Outstanding (Diluted) came in at 362 million in FY2024 (+1.3%), 357.4 million in FY2023 (-1.3%), 362 million in FY2022 (-1.0%) and 365.8 million in FY2021 (+1.4%).
- The Q3 2026 figure ranks as the lowest quarterly Weighted Average Shares Outstanding (Diluted) since Q4 2017.
- Year over year, Weighted Average Shares Outstanding (Diluted) has now declined in each of the last three quarters, with an average decline of 0.3% over the last eight quarters.
- The high point for year-over-year Weighted Average Shares Outstanding (Diluted) in five years was Q4 2021 (growth of 1.4%); the low point was Q1 2023 (a decline of 2.9%).
- Per Business Quant data, the three quarters before Q3 2026 came in at 357.3 million (Q2 2026), 359.8 million (Q1 2026) and 362.7 million (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Thermo Fisher Scientific | 248.22 Bn | 227.25 Bn | 4.88 Bn | 371.00 Mn |
| 2 | Abbott Laboratories | 178.33 Bn | 148.76 Bn | 7.27 Bn | 1.74 Bn |
| 3 | Danaher | 159.74 Bn | 143.54 Bn | 3.61 Bn | 707.60 Mn |
| 4 | Intuitive Surgical | 158.45 Bn | 138.74 Bn | 2.08 Bn | 351.60 Mn |
| 5 | Medtronic | 122.77 Bn | 88.02 Bn | 6.34 Bn | 1.29 Bn |
| 6 | Stryker | 118.25 Bn | 104.37 Bn | 4.50 Bn | 386.00 Mn |
| 7 | Boston Scientific | 66.98 Bn | 61.75 Bn | 3.85 Bn | 1.47 Bn |
| 8 | Becton Dickinson | 54.49 Bn | 51.64 Bn | 2.32 Bn | 275.16 Mn |
| 9 | Edwards Lifesciences | 51.67 Bn | 35.68 Bn | 1.35 Bn | 577.60 Mn |
| 10 | Agilent Technologies | 48.39 Bn | 41.28 Bn | 1.04 Bn | 283.00 Mn |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 351.60 Mn |
| Jun 30, 2026 | 357.30 Mn |
| Mar 31, 2026 | 359.80 Mn |
| Dec 31, 2025 | 362.70 Mn |
| Sep 30, 2025 | 361.80 Mn |
| Jun 30, 2025 | 364.10 Mn |
| Mar 31, 2025 | 364.60 Mn |
| Dec 31, 2024 | 362.00 Mn |
| Sep 30, 2024 | 362.70 Mn |
| Jun 30, 2024 | 361.00 Mn |
| Mar 31, 2024 | 360.50 Mn |
| Dec 31, 2023 | 357.40 Mn |
| Sep 30, 2023 | 358.20 Mn |
| Jun 30, 2023 | 357.30 Mn |
| Mar 31, 2023 | 356.00 Mn |
| Dec 31, 2022 | 362.00 Mn |
| Sep 30, 2022 | 360.50 Mn |
| Jun 30, 2022 | 363.90 Mn |
| Mar 31, 2022 | 366.70 Mn |
| Dec 31, 2021 | 365.80 Mn |
Intuitive Surgical 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=ISRG&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "ISRG", "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=ISRG&period=max&api_key=YOUR_API_KEY");
const data = await res.json();