| Schedule of Stockholders Equity |
The following tables present the changes in stockholders’ equity (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, 2026 | | Common Stock | | Additional Paid-In Capital | | Retained Earnings | | Accumulated Other Comprehensive Income (Loss) | | Total Intuitive Surgical, Inc. Stockholders’ Equity | | Noncontrolling Interest in Joint Venture | | Total Stockholders’ Equity | | Shares | | Amount | | | | | | | | Beginning balance | 353.9 | | | $ | 0.4 | | | $ | 11,325.0 | | | $ | 6,837.2 | | | $ | 5.8 | | | $ | 18,168.4 | | | $ | 129.3 | | | $ | 18,297.7 | | | | | | | | | | | | | | | | | | | Issuance of common stock through employee stock plans | 0.6 | | | — | | | 96.4 | | | — | | | — | | | 96.4 | | | — | | | 96.4 | | | Shares withheld related to net share settlement of equity awards | (0.1) | | | — | | | (0.5) | | | (12.6) | | | — | | | (13.1) | | | — | | | (13.1) | | | Share-based compensation expense related to employee stock plans | — | | | — | | | 217.6 | | | — | | | — | | | 217.6 | | | — | | | 217.6 | | | Repurchase and retirement of common stock | (7.8) | | | (0.1) | | | (117.4) | | | (2,822.3) | | | — | | | (2,939.8) | | | — | | | (2,939.8) | | | Net income attributable to Intuitive Surgical, Inc. | — | | | — | | | — | | | 522.8 | | | — | | | 522.8 | | | — | | | 522.8 | | | Other comprehensive income (loss) | — | | | — | | | — | | | — | | | (66.1) | | | (66.1) | | | 0.7 | | | (65.4) | | | | | | | | | | | | | | | | | | | Net income attributable to noncontrolling interest in joint venture | — | | | — | | | — | | | — | | | — | | | — | | | 1.6 | | | 1.6 | | | Ending balance | 346.6 | | | $ | 0.3 | | | $ | 11,521.1 | | | $ | 4,525.1 | | | $ | (60.3) | | | $ | 15,986.2 | | | $ | 131.6 | | | $ | 16,117.8 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, 2025 | | Common Stock | | Additional Paid-In Capital | | Retained Earnings | | Accumulated Other Comprehensive Income (Loss) | | Total Intuitive Surgical, Inc. Stockholders’ Equity | | Noncontrolling Interest in Joint Venture | | Total Stockholders’ Equity | | Shares | | Amount | | | | | | | Beginning balance | 358.4 | | | $ | 0.4 | | | $ | 10,236.8 | | | $ | 7,605.5 | | | $ | 3.0 | | | $ | 17,845.7 | | | $ | 107.4 | | | $ | 17,953.1 | | | | | | | | | | | | | | | | | | | Issuance of common stock through employee stock plans | 0.5 | | | — | | | 90.0 | | | — | | | — | | | 90.0 | | | — | | | 90.0 | | | Shares withheld related to net share settlement of equity awards | — | | | — | | | (0.5) | | | (19.2) | | | — | | | (19.7) | | | — | | | (19.7) | | | Share-based compensation expense related to employee stock plans | — | | | — | | | 205.4 | | | — | | | — | | | 205.4 | | | — | | | 205.4 | | | Repurchase and retirement of common stock | (4.0) | | | — | | | (52.9) | | | (1,866.7) | | | — | | | (1,919.6) | | | — | | | (1,919.6) | | | Net income attributable to Intuitive Surgical, Inc. | — | | | — | | | — | | | 704.4 | | | — | | | 704.4 | | | — | | | 704.4 | | | Other comprehensive income | — | | | — | | | — | | | — | | | 23.5 | | | 23.5 | | | 0.2 | | | 23.7 | | | | | | | | | | | | | | | | | | | Net income attributable to noncontrolling interest in joint venture | — | | | — | | | — | | | — | | | — | | | — | | | 4.8 | | | 4.8 | | Ending balance | 354.9 | | | $ | 0.4 | | | $ | 10,478.8 | | | $ | 6,424.0 | | | $ | 26.5 | | | $ | 16,929.7 | | | $ | 112.4 | | | $ | 17,042.1 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nine Months Ended September 30, 2026 | | Common Stock | | Additional Paid-In Capital | | Retained Earnings | | Accumulated Other Comprehensive Income (Loss) | | Total Intuitive Surgical, Inc. Stockholders’ Equity | | Noncontrolling Interest in Joint Venture | | Total Stockholders’ Equity | | Shares | | Amount | | | | | | | Beginning balance | 355.1 | | | $ | 0.4 | | | $ | 10,768.5 | | | $ | 7,011.8 | | | $ | 43.3 | | | $ | 17,824.0 | | | $ | 117.7 | | | $ | 17,941.7 | | | | | | | | | | | | | | | | | | | Issuance of common stock through employee stock plans | 3.3 | | | — | | | 283.8 | | | — | | | — | | | 283.8 | | | — | | | 283.8 | | | Shares withheld related to net share settlement of equity awards | (0.8) | | | — | | | (11.2) | | | (367.3) | | | — | | | (378.5) | | | — | | | (378.5) | | | Share-based compensation expense related to employee stock plans | — | | | — | | | 644.4 | | | — | | | — | | | 644.4 | | | — | | | 644.4 | | | Repurchase and retirement of common stock | (11.0) | | | (0.1) | | | (164.4) | | | (4,281.8) | | | — | | | (4,446.3) | | | — | | | (4,446.3) | | | Net income attributable to Intuitive Surgical, Inc. | — | | | — | | | — | | | 2,162.4 | | | — | | | 2,162.4 | | | — | | | 2,162.4 | | | Other comprehensive income (loss) | — | | | — | | | — | | | — | | | (103.6) | | | (103.6) | | | 2.7 | | | (100.9) | | | | | | | | | | | | | | | | | | | Net income attributable to noncontrolling interest in joint venture | — | | | — | | | — | | | — | | | — | | | — | | | 11.2 | | | 11.2 | | Ending balance | 346.6 | | | $ | 0.3 | | | $ | 11,521.1 | | | $ | 4,525.1 | | | $ | (60.3) | | | $ | 15,986.2 | | | $ | 131.6 | | | $ | 16,117.8 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nine Months Ended September 30, 2025 | | Common Stock | | Additional Paid-In Capital | | Retained Earnings | | Accumulated Other Comprehensive Income (Loss) | | Total Intuitive Surgical, Inc. Stockholders’ Equity | | Noncontrolling Interest in Joint Venture | | Total Stockholders’ Equity | | Shares | | Amount | | | | | | | Beginning balance | 356.6 | | | $ | 0.4 | | | $ | 9,681.3 | | | $ | 6,803.3 | | | $ | (51.3) | | | $ | 16,433.7 | | | $ | 95.9 | | | $ | 16,529.6 | | | | | | | | | | | | | | | | | | | Issuance of common stock through employee stock plans | 3.4 | | | — | | | 273.7 | | | — | | | — | | | 273.7 | | | — | | | 273.7 | | | Shares withheld related to net share settlement of equity awards | (0.7) | | | — | | | (8.7) | | | (397.3) | | | — | | | (406.0) | | | — | | | (406.0) | | | Share-based compensation expense related to employee stock plans | — | | | — | | | 589.9 | | | — | | | — | | | 589.9 | | | — | | | 589.9 | | | Repurchase and retirement of common stock | (4.4) | | | — | | | (57.4) | | | (2,043.2) | | | — | | | (2,100.6) | | | — | | | (2,100.6) | | | Net income attributable to Intuitive Surgical, Inc. | — | | | — | | | — | | | 2,061.2 | | | — | | | 2,061.2 | | | — | | | 2,061.2 | | | Other comprehensive income | — | | | — | | | — | | | — | | | 77.8 | | | 77.8 | | | 0.6 | | | 78.4 | | | | | | | | | | | | | | | | | | | Net income attributable to noncontrolling interest in joint venture | — | | | — | | | — | | | — | | | — | | | — | | | 15.9 | | | 15.9 | | Ending balance | 354.9 | | | $ | 0.4 | | | $ | 10,478.8 | | | $ | 6,424.0 | | | $ | 26.5 | | | $ | 16,929.7 | | | $ | 112.4 | | | $ | 17,042.1 | |
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| Components of Accumulated Other Comprehensive Income, Net of Tax |
The components of accumulated other comprehensive income (loss), net of tax, attributable to Intuitive Surgical, Inc. are as follows (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, 2026 | | Gains (Losses) on Hedge Instruments | | Unrealized Gains (Losses) on Available-for-Sale Securities | | Foreign Currency Translation Gains (Losses) | | Employee Benefit Plans | | Total | | Beginning balance | $ | 17.0 | | | $ | (11.8) | | | $ | 22.2 | | | $ | (21.6) | | | $ | 5.8 | | | Other comprehensive loss before reclassifications | (18.5) | | | (34.8) | | | (18.5) | | | (0.1) | | | (71.9) | | | Amounts reclassified from accumulated other comprehensive income | 4.6 | | | 0.8 | | | — | | | 0.4 | | | 5.8 | | | Net current-period other comprehensive income (loss) | (13.9) | | | (34.0) | | | (18.5) | | | 0.3 | | | (66.1) | | | Ending balance | $ | 3.1 | | | $ | (45.8) | | | $ | 3.7 | | | $ | (21.3) | | | $ | (60.3) | | | | | | | | | | | | | Three Months Ended September 30, 2025 | | Gains (Losses) on Hedge Instruments | | Unrealized Gains on Available-for-Sale Securities | | Foreign Currency Translation Gains | | Employee Benefit Plans | | Total | | Beginning balance | $ | (14.7) | | | $ | 21.9 | | | $ | 10.1 | | | $ | (14.3) | | | $ | 3.0 | | | Other comprehensive income before reclassifications | 17.5 | | | 5.2 | | | 5.7 | | | — | | | 28.4 | | | Amounts reclassified from accumulated other comprehensive income (loss) | (5.0) | | | — | | | — | | | 0.1 | | | (4.9) | | | Net current-period other comprehensive income | 12.5 | | | 5.2 | | | 5.7 | | | 0.1 | | | 23.5 | | | Ending balance | $ | (2.2) | | | $ | 27.1 | | | $ | 15.8 | | | $ | (14.2) | | | $ | 26.5 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nine Months Ended September 30, 2026 | | Gains (Losses) on Hedge Instruments | | Unrealized Gains (Losses) on Available-for-Sale Securities | | Foreign Currency Translation Gains (Losses) | | Employee Benefit Plans | | Total | | Beginning balance | $ | 4.0 | | | $ | 30.5 | | | $ | 29.5 | | | $ | (20.7) | | | $ | 43.3 | | | Other comprehensive loss before reclassifications | (15.4) | | | (77.1) | | | (25.8) | | | (1.8) | | | (120.1) | | | Amounts reclassified from accumulated other comprehensive income | 14.5 | | | 0.8 | | | — | | | 1.2 | | | 16.5 | | | Net current-period other comprehensive loss | (0.9) | | | (76.3) | | | (25.8) | | | (0.6) | | | (103.6) | | | Ending balance | $ | 3.1 | | | $ | (45.8) | | | $ | 3.7 | | | $ | (21.3) | | | $ | (60.3) | | | | | | | | | | | | | Nine Months Ended September 30, 2025 | | Gains (Losses) on Hedge Instruments | | Unrealized Gains (Losses) on Available-for-Sale Securities | | Foreign Currency Translation Gains (Losses) | | Employee Benefit Plans | | Total | | Beginning balance | $ | 11.0 | | | $ | (14.6) | | | $ | (33.1) | | | $ | (14.6) | | | $ | (51.3) | | | Other comprehensive income (loss) before reclassifications | (10.3) | | | 41.4 | | | 48.9 | | | — | | | 80.0 | | | Amounts reclassified from accumulated other comprehensive income (loss) | (2.9) | | | 0.3 | | | — | | | 0.4 | | | (2.2) | | | Net current-period other comprehensive income (loss) | (13.2) | | | 41.7 | | | 48.9 | | | 0.4 | | | 77.8 | | | Ending balance | $ | (2.2) | | | $ | 27.1 | | | $ | 15.8 | | | $ | (14.2) | | | $ | 26.5 | |
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| Schedule Of Common Stock Repurchased |
The following table summarizes stock repurchase activities (in millions, except per share amounts): | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | Nine Months Ended September 30, | | 2026 | | 2025 | | 2026 | | 2025 | | Shares repurchased | 7.8 | | | 4.0 | | | 11.0 | | | 4.4 | | | Average price per share | $ | 377.01 | | | $ | 479.60 | | | $ | 405.51 | | | $ | 482.66 | | | Aggregate cost of shares repurchased | $ | 2,939.8 | | | $ | 1,919.6 | | | $ | 4,446.3 | | | $ | 2,100.6 | |
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