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Masimo Corporation (MASI)
NASDAQ: MASI · Real-Time Price · USD
175.45
+0.03 (0.02%)
At close: Mar 9, 2026, 4:00 PM EDT
175.21
-0.24 (-0.14%)
After-hours: Mar 9, 2026, 7:51 PM EDT

Masimo Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 9, 2026175.34175.80175.30175.45175.450.02%2,961,057
Mar 6, 2026175.56175.59175.35175.42175.42-0.02%2,488,047
Mar 5, 2026175.40175.61175.35175.46175.460.05%1,578,955
Mar 4, 2026175.35175.58175.29175.37175.370.01%1,576,031
Mar 3, 2026175.34175.50175.22175.36175.36-0.02%1,600,270
Mar 2, 2026175.22175.65175.13175.40175.400.03%916,823
Feb 27, 2026175.25175.62175.15175.35175.350.07%918,180
Feb 26, 2026175.28175.43175.14175.22175.220.07%2,051,056
Feb 25, 2026175.56175.56175.10175.10175.10-0.14%1,710,165
Feb 24, 2026175.34175.90175.21175.35175.350.06%1,935,328
Feb 23, 2026175.20175.69175.20175.25175.250.09%2,267,991
Feb 20, 2026175.28175.56175.03175.10175.10-0.13%4,747,567
Feb 19, 2026175.59175.70175.00175.33175.33-0.16%3,875,495
Feb 18, 2026174.80175.80174.70175.61175.610.53%5,089,098
Feb 17, 2026175.00175.25174.37174.69174.6934.22%14,756,902
Feb 13, 2026133.33133.82129.21130.15130.15-2.11%843,977
Feb 12, 2026135.04135.87130.67132.96132.96-1.54%648,056
Feb 11, 2026134.01135.91130.23135.04135.040.70%534,029
Feb 10, 2026134.76136.51133.83134.10134.10-0.52%764,716
Feb 9, 2026138.21139.22134.31134.80134.80-3.13%621,376
Feb 6, 2026136.08139.32134.45139.15139.152.82%558,920
Feb 5, 2026136.81138.04133.73135.33135.33-0.94%592,304
Feb 4, 2026139.78142.05135.51136.62136.62-1.80%711,334
Feb 3, 2026138.33141.75136.80139.13139.130.51%715,523
Feb 2, 2026136.46138.52135.74138.42138.420.79%451,782
Jan 30, 2026136.35138.26133.99137.33137.330.79%629,949
Jan 29, 2026138.17138.94135.64136.25136.25-1.03%547,770
Jan 28, 2026137.80138.77135.91137.67137.67-0.18%1,136,259
Jan 27, 2026139.30139.62137.45137.92137.92-1.63%528,196
Jan 26, 2026141.90142.48139.64140.20140.20-0.89%553,408
Jan 23, 2026143.51144.59141.40141.46141.46-1.72%702,495
Jan 22, 2026146.34146.70142.13143.93143.93-1.56%1,022,070
Jan 21, 2026144.13148.76142.97146.21146.212.46%1,075,647
Jan 20, 2026140.14143.53138.84142.70142.700.46%1,033,213
Jan 16, 2026139.35144.29139.35142.05142.051.56%863,953
Jan 15, 2026138.07143.95137.73139.87139.871.05%1,292,501
Jan 14, 2026129.26138.99128.89138.41138.416.61%1,287,584
Jan 13, 2026131.39133.46129.77129.83129.83-1.82%508,998
Jan 12, 2026139.85139.85130.57132.23132.23-4.82%587,791
Jan 9, 2026138.41140.34135.20138.92138.920.73%542,876
Jan 8, 2026136.15138.62135.47137.91137.910.61%608,937
Jan 7, 2026136.83138.19135.48137.08137.080.35%523,312
Jan 6, 2026133.62137.38133.62136.60136.601.94%642,991
Jan 5, 2026127.02134.88125.94134.00134.005.18%1,022,174
Jan 2, 2026130.59130.59126.57127.40127.40-2.05%601,418
Dec 31, 2025130.48131.95129.77130.06130.06-0.77%600,320
Dec 30, 2025130.45131.29129.83131.07131.070.19%627,057
Dec 29, 2025132.60133.80130.53130.82130.82-1.46%532,988
Dec 26, 2025132.82133.68131.92132.76132.76-0.39%304,934
Dec 24, 2025133.68134.81133.21133.28133.28-0.44%257,216
Dec 23, 2025135.96136.50133.59133.87133.87-2.28%536,701
Dec 22, 2025134.00137.45133.99137.00137.002.21%805,991
Dec 19, 2025136.49137.79131.47134.04134.04-1.92%1,498,291
Dec 18, 2025135.72137.53135.58136.66136.660.69%785,637
Dec 17, 2025134.52137.11133.98135.72135.720.89%985,756
Dec 16, 2025137.19137.88132.90134.52134.52-2.10%976,793
Dec 15, 2025137.95138.26136.23137.40137.40-0.68%695,377
Dec 12, 2025142.00142.63138.01138.34138.34-2.08%540,831
Dec 11, 2025140.74142.04137.00141.28141.281.08%1,178,653
Dec 10, 2025138.99141.03138.50139.77139.770.83%721,246
Dec 9, 2025141.03142.70138.53138.62138.62-1.58%1,068,172
Dec 8, 2025140.72141.95139.00140.85140.85-0.59%594,202
Dec 5, 2025142.82147.82140.83141.68141.68-0.41%840,733
Dec 4, 2025138.27142.29135.29142.26142.263.02%1,043,827
Dec 3, 2025143.20149.84136.99138.09138.09-2.88%1,219,262
Dec 2, 2025143.84144.39141.50142.19142.19-1.27%549,122
Dec 1, 2025142.24144.45141.88144.02144.021.12%688,970
Nov 28, 2025142.79143.80142.03142.43142.43-1.06%260,412
Nov 26, 2025145.73147.15143.65143.96143.96-1.73%467,475
Nov 25, 2025145.77148.68144.46146.49146.490.60%820,077
Nov 24, 2025149.45151.37145.08145.62145.62-2.43%769,396
Nov 21, 2025143.88150.84143.88149.25149.254.37%1,011,419
Nov 20, 2025141.58145.91141.45143.00143.001.46%589,482
Nov 19, 2025144.10144.10139.76140.94140.94-2.04%883,654
Nov 18, 2025145.57147.97141.50143.88143.88-2.14%969,342
Nov 17, 2025152.26152.26146.82147.03147.03-2.71%704,402
Nov 14, 2025151.22153.57150.15151.12151.12-0.86%679,970
Nov 13, 2025149.12152.58148.34152.43152.431.76%688,237
Nov 12, 2025145.67152.85145.67149.79149.792.12%520,455
Nov 11, 2025144.47151.40143.85146.68146.681.51%1,498,949
Nov 10, 2025143.17146.91142.68144.50144.500.94%692,035
Nov 7, 2025143.14146.18141.97143.16143.16-0.47%585,898
Nov 6, 2025139.49143.97139.00143.84143.841.20%620,660
Nov 5, 2025150.98157.72138.55142.14142.14-4.61%2,594,407
Nov 4, 2025143.52152.35142.95149.01149.012.79%1,440,511
Nov 3, 2025140.10145.61140.10144.96144.963.06%983,806
Oct 31, 2025141.67142.02138.68140.65140.65-0.63%787,033
Oct 30, 2025143.24146.76141.41141.54141.54-0.96%359,036
Oct 29, 2025146.40147.17141.66142.91142.91-2.39%653,123
Oct 28, 2025147.59148.60146.01146.41146.41-1.07%418,135
Oct 27, 2025147.98148.83147.16148.00148.000.15%420,836
Oct 24, 2025149.15149.85147.65147.78147.78-0.64%336,931
Oct 23, 2025147.36150.08146.56148.73148.731.02%438,694
Oct 22, 2025148.85150.66146.22147.23147.23-0.74%657,264
Oct 21, 2025147.00149.08146.38148.33148.330.90%743,151
Oct 20, 2025148.10149.05146.66147.01147.010.16%625,335
Oct 17, 2025145.96147.89145.00146.78146.78-0.30%588,412
Oct 16, 2025149.34150.00145.58147.22147.22-0.90%491,888
Oct 15, 2025147.48149.30145.88148.56148.560.75%447,078
Oct 14, 2025146.21151.68145.72147.45147.45-0.38%500,275