Masimo Corporation (MASI)
NASDAQ: MASI · Real-Time Price · USD
175.37
+0.01 (0.01%)
At close: Mar 4, 2026, 4:00 PM EST
175.50
+0.13 (0.07%)
After-hours: Mar 4, 2026, 5:43 PM EST
Masimo Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 4, 2026 | 175.35 | 175.58 | 175.29 | 175.37 | 175.37 | 0.01% | 1,576,031 |
| Mar 3, 2026 | 175.34 | 175.50 | 175.22 | 175.36 | 175.36 | -0.02% | 1,600,270 |
| Mar 2, 2026 | 175.22 | 175.65 | 175.13 | 175.40 | 175.40 | 0.03% | 916,823 |
| Feb 27, 2026 | 175.25 | 175.62 | 175.15 | 175.35 | 175.35 | 0.07% | 918,180 |
| Feb 26, 2026 | 175.28 | 175.43 | 175.14 | 175.22 | 175.22 | 0.07% | 2,051,056 |
| Feb 25, 2026 | 175.56 | 175.56 | 175.10 | 175.10 | 175.10 | -0.14% | 1,710,165 |
| Feb 24, 2026 | 175.34 | 175.90 | 175.21 | 175.35 | 175.35 | 0.06% | 1,935,328 |
| Feb 23, 2026 | 175.20 | 175.69 | 175.20 | 175.25 | 175.25 | 0.09% | 2,267,991 |
| Feb 20, 2026 | 175.28 | 175.56 | 175.03 | 175.10 | 175.10 | -0.13% | 4,747,567 |
| Feb 19, 2026 | 175.59 | 175.70 | 175.00 | 175.33 | 175.33 | -0.16% | 3,875,495 |
| Feb 18, 2026 | 174.80 | 175.80 | 174.70 | 175.61 | 175.61 | 0.53% | 5,089,098 |
| Feb 17, 2026 | 175.00 | 175.25 | 174.37 | 174.69 | 174.69 | 34.22% | 14,756,902 |
| Feb 13, 2026 | 133.33 | 133.82 | 129.21 | 130.15 | 130.15 | -2.11% | 843,977 |
| Feb 12, 2026 | 135.04 | 135.87 | 130.67 | 132.96 | 132.96 | -1.54% | 648,056 |
| Feb 11, 2026 | 134.01 | 135.91 | 130.23 | 135.04 | 135.04 | 0.70% | 534,029 |
| Feb 10, 2026 | 134.76 | 136.51 | 133.83 | 134.10 | 134.10 | -0.52% | 764,716 |
| Feb 9, 2026 | 138.21 | 139.22 | 134.31 | 134.80 | 134.80 | -3.13% | 621,376 |
| Feb 6, 2026 | 136.08 | 139.32 | 134.45 | 139.15 | 139.15 | 2.82% | 558,920 |
| Feb 5, 2026 | 136.81 | 138.04 | 133.73 | 135.33 | 135.33 | -0.94% | 592,304 |
| Feb 4, 2026 | 139.78 | 142.05 | 135.51 | 136.62 | 136.62 | -1.80% | 711,334 |
| Feb 3, 2026 | 138.33 | 141.75 | 136.80 | 139.13 | 139.13 | 0.51% | 715,523 |
| Feb 2, 2026 | 136.46 | 138.52 | 135.74 | 138.42 | 138.42 | 0.79% | 451,782 |
| Jan 30, 2026 | 136.35 | 138.26 | 133.99 | 137.33 | 137.33 | 0.79% | 629,949 |
| Jan 29, 2026 | 138.17 | 138.94 | 135.64 | 136.25 | 136.25 | -1.03% | 547,770 |
| Jan 28, 2026 | 137.80 | 138.77 | 135.91 | 137.67 | 137.67 | -0.18% | 1,136,259 |
| Jan 27, 2026 | 139.30 | 139.62 | 137.45 | 137.92 | 137.92 | -1.63% | 528,196 |
| Jan 26, 2026 | 141.90 | 142.48 | 139.64 | 140.20 | 140.20 | -0.89% | 553,408 |
| Jan 23, 2026 | 143.51 | 144.59 | 141.40 | 141.46 | 141.46 | -1.72% | 702,495 |
| Jan 22, 2026 | 146.34 | 146.70 | 142.13 | 143.93 | 143.93 | -1.56% | 1,022,070 |
| Jan 21, 2026 | 144.13 | 148.76 | 142.97 | 146.21 | 146.21 | 2.46% | 1,075,647 |
| Jan 20, 2026 | 140.14 | 143.53 | 138.84 | 142.70 | 142.70 | 0.46% | 1,033,213 |
| Jan 16, 2026 | 139.35 | 144.29 | 139.35 | 142.05 | 142.05 | 1.56% | 863,953 |
| Jan 15, 2026 | 138.07 | 143.95 | 137.73 | 139.87 | 139.87 | 1.05% | 1,292,501 |
| Jan 14, 2026 | 129.26 | 138.99 | 128.89 | 138.41 | 138.41 | 6.61% | 1,287,584 |
| Jan 13, 2026 | 131.39 | 133.46 | 129.77 | 129.83 | 129.83 | -1.82% | 508,998 |
| Jan 12, 2026 | 139.85 | 139.85 | 130.57 | 132.23 | 132.23 | -4.82% | 587,791 |
| Jan 9, 2026 | 138.41 | 140.34 | 135.20 | 138.92 | 138.92 | 0.73% | 542,876 |
| Jan 8, 2026 | 136.15 | 138.62 | 135.47 | 137.91 | 137.91 | 0.61% | 608,937 |
| Jan 7, 2026 | 136.83 | 138.19 | 135.48 | 137.08 | 137.08 | 0.35% | 523,312 |
| Jan 6, 2026 | 133.62 | 137.38 | 133.62 | 136.60 | 136.60 | 1.94% | 642,991 |
| Jan 5, 2026 | 127.02 | 134.88 | 125.94 | 134.00 | 134.00 | 5.18% | 1,022,174 |
| Jan 2, 2026 | 130.59 | 130.59 | 126.57 | 127.40 | 127.40 | -2.05% | 601,418 |
| Dec 31, 2025 | 130.48 | 131.95 | 129.77 | 130.06 | 130.06 | -0.77% | 600,320 |
| Dec 30, 2025 | 130.45 | 131.29 | 129.83 | 131.07 | 131.07 | 0.19% | 627,057 |
| Dec 29, 2025 | 132.60 | 133.80 | 130.53 | 130.82 | 130.82 | -1.46% | 532,988 |
| Dec 26, 2025 | 132.82 | 133.68 | 131.92 | 132.76 | 132.76 | -0.39% | 304,934 |
| Dec 24, 2025 | 133.68 | 134.81 | 133.21 | 133.28 | 133.28 | -0.44% | 257,216 |
| Dec 23, 2025 | 135.96 | 136.50 | 133.59 | 133.87 | 133.87 | -2.28% | 536,701 |
| Dec 22, 2025 | 134.00 | 137.45 | 133.99 | 137.00 | 137.00 | 2.21% | 805,991 |
| Dec 19, 2025 | 136.49 | 137.79 | 131.47 | 134.04 | 134.04 | -1.92% | 1,498,291 |