Intuitive Surgical Inc (ISRG)

Operating return on assets (Operating ROA)

Sep 30, 2025 Jun 30, 2025 Mar 31, 2025 Dec 31, 2024 Sep 30, 2024 Jun 30, 2024 Mar 31, 2024 Dec 31, 2023 Sep 30, 2023 Jun 30, 2023 Mar 31, 2023 Dec 31, 2022 Sep 30, 2022 Jun 30, 2022 Mar 31, 2022 Dec 31, 2021 Sep 30, 2021 Jun 30, 2021 Mar 31, 2021 Dec 31, 2020
Operating income (ttm) US$ in thousands 2,816,100 2,633,700 2,457,600 2,348,900 2,064,200 1,952,700 1,848,600 1,766,800 1,689,100 1,622,200 1,556,600 1,577,100 1,655,000 1,698,700 1,812,300 1,821,000 1,786,400 1,614,200 1,183,600 1,049,800
Total assets US$ in thousands 19,351,800 20,163,200 19,220,400 18,838,600 17,743,400 16,649,900 15,828,000 15,441,500 14,712,700 13,903,300 13,053,200 12,974,000 13,260,800 13,705,200 13,678,400 13,555,000 12,934,600 12,297,000 11,540,400 11,168,900
Operating ROA 14.55% 13.06% 12.79% 12.47% 11.63% 11.73% 11.68% 11.44% 11.48% 11.67% 11.93% 12.16% 12.48% 12.39% 13.25% 13.43% 13.81% 13.13% 10.26% 9.40%

September 30, 2025 calculation

Operating ROA = Operating income (ttm) ÷ Total assets
= $2,816,100K ÷ $19,351,800K
= 14.55%