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MKS Inc. (MKSI)
NASDAQ: MKSI · Real-Time Price · USD
388.61
-21.70 (-5.29%)
At close: Jun 26, 2026, 4:00 PM EDT
389.22
+0.61 (0.16%)
After-hours: Jun 26, 2026, 7:58 PM EDT

MKS Inc. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 26, 2026394.14401.05385.00388.61388.61-5.29%2,007,711
Jun 25, 2026408.00414.64383.38410.31410.317.52%2,311,316
Jun 24, 2026390.54395.75376.83381.62381.62-1.94%1,802,947
Jun 23, 2026388.69394.47382.56389.17389.17-7.46%1,641,092
Jun 22, 2026413.50421.58407.00420.56420.563.49%1,547,005
Jun 18, 2026386.56408.87382.00406.37406.379.46%2,127,039
Jun 17, 2026383.99386.01369.85371.26371.261.35%1,196,916
Jun 16, 2026375.00379.99365.36366.31366.31-2.40%1,090,149
Jun 15, 2026367.88377.66367.88375.32375.325.52%915,164
Jun 12, 2026345.32359.35341.45355.69355.693.00%961,425
Jun 11, 2026326.74347.27326.10345.32345.329.25%1,005,552
Jun 10, 2026317.42333.69310.36316.07316.07-1.52%1,270,123
Jun 9, 2026320.44332.01298.00320.96320.962.84%1,205,404
Jun 8, 2026314.99339.92309.03312.09312.093.46%1,099,657
Jun 5, 2026315.23318.88300.11301.65301.65-8.65%955,719
Jun 4, 2026321.01335.83318.01330.23330.23-1.47%679,273
Jun 3, 2026339.40341.81326.81335.15335.151.22%716,706
Jun 2, 2026324.36334.49320.38331.36331.114.33%1,125,569
Jun 1, 2026318.02319.31309.46317.62317.38-2.05%1,037,103
May 29, 2026325.99329.75317.16324.26324.020.26%1,204,480
May 28, 2026327.41330.26316.35323.41323.17-1.40%1,106,907
May 27, 2026338.58339.00321.45328.01327.76-1.83%911,291
May 26, 2026330.50334.80326.45334.11333.864.21%861,070
May 22, 2026315.48322.00311.75320.62320.382.38%835,816
May 21, 2026311.51314.04307.18313.16312.920.53%1,361,932
May 20, 2026302.00312.74300.09311.51311.275.94%1,129,951
May 19, 2026289.56294.27280.83294.04293.82-0.56%1,495,004
May 18, 2026314.51315.12290.00295.70295.48-2.46%1,486,353
May 15, 2026301.43304.71295.08303.17302.94-3.39%1,214,573
May 14, 2026317.31317.43308.51313.81313.57-1.10%984,259
May 13, 2026318.99321.52311.66317.31317.071.79%923,780
May 12, 2026312.78313.38298.16311.72311.48-2.50%1,480,108
May 11, 2026313.47321.65313.47319.71319.472.08%1,227,047
May 8, 2026318.70324.42308.83313.21312.974.13%1,736,811
May 7, 2026316.17326.84295.77300.79300.562.39%2,327,555
May 6, 2026294.92294.92280.50293.77293.552.13%2,303,432
May 5, 2026297.02298.00280.18287.65287.43-1.33%1,537,423
May 4, 2026277.72292.12277.55291.53291.314.35%1,908,899
May 1, 2026282.98285.67275.04279.38279.17-1.54%1,300,898
Apr 30, 2026270.18284.14263.73283.75283.546.90%1,632,571
Apr 29, 2026273.88278.91261.23265.44265.24-0.92%796,663
Apr 28, 2026268.88277.00264.45267.90267.70-3.76%1,078,299
Apr 27, 2026282.57283.61267.94278.36278.15-0.93%817,585
Apr 24, 2026290.00294.05279.38280.98280.770.15%845,450
Apr 23, 2026280.28287.00272.97280.56280.350.76%1,208,149
Apr 22, 2026280.97282.62266.85278.45278.241.71%1,704,302
Apr 21, 2026283.57289.49271.19273.77273.56-2.20%957,319
Apr 20, 2026279.01285.82278.00279.93279.720.48%946,469
Apr 17, 2026277.17281.77275.00278.59278.383.22%947,849
Apr 16, 2026267.92272.51263.00269.89269.690.33%1,372,385
Apr 15, 2026269.57272.92261.89269.00268.80-1.88%784,452
Apr 14, 2026275.97277.94269.95274.15273.940.36%1,001,709
Apr 13, 2026266.65273.55265.28273.18272.971.64%561,128
Apr 10, 2026268.26272.71266.00268.77268.572.10%789,057
Apr 9, 2026255.22267.07255.22263.25263.052.83%1,058,552
Apr 8, 2026256.99260.99250.00256.01255.827.49%1,569,977
Apr 7, 2026233.96241.90232.92238.17237.990.50%811,283
Apr 6, 2026236.11240.82233.12236.98236.800.99%523,478
Apr 2, 2026222.42241.11222.42234.66234.48-0.55%885,252
Apr 1, 2026234.57240.00233.10235.96235.782.68%1,014,749
Mar 31, 2026217.46231.16215.00229.81229.649.19%1,235,770
Mar 30, 2026227.97227.97208.47210.47210.31-5.69%1,250,461
Mar 27, 2026222.08228.57221.16223.18223.01-0.86%722,008
Mar 26, 2026237.00239.21224.04225.12224.95-7.62%1,111,341
Mar 25, 2026244.64245.70236.00243.68243.500.05%741,518
Mar 24, 2026231.49247.90229.08243.56243.383.63%895,859
Mar 23, 2026234.87243.50232.61235.02234.843.47%823,463
Mar 20, 2026235.70237.95222.10227.13226.96-4.10%1,882,830
Mar 19, 2026224.32239.36220.14236.85236.671.48%1,495,374
Mar 18, 2026231.21235.25228.23233.39233.211.97%1,280,010
Mar 17, 2026223.20230.62220.74228.89228.723.12%1,053,063
Mar 16, 2026218.99227.46217.92221.96221.793.99%1,522,763
Mar 13, 2026216.69224.72212.08213.45213.29-0.02%757,418
Mar 12, 2026218.93220.71211.09213.49213.33-4.81%1,527,149
Mar 11, 2026222.97230.98221.50224.27224.10-0.45%1,051,229
Mar 10, 2026220.33233.42220.09225.28225.113.17%1,221,718
Mar 9, 2026203.88220.54200.50218.36218.203.98%2,051,404
Mar 6, 2026220.33224.29208.95210.00209.84-8.87%1,783,188
Mar 5, 2026230.03238.35223.19230.45230.28-2.03%1,333,086
Mar 4, 2026237.16239.98231.62235.23235.051.15%1,137,856
Mar 3, 2026235.64239.26228.56232.56232.38-4.79%1,407,639
Mar 2, 2026239.44246.98238.00244.26244.08-0.08%1,069,596
Feb 27, 2026239.00245.00237.91244.46244.28-0.09%1,862,043
Feb 26, 2026255.01256.77238.88244.68244.50-4.39%2,139,711
Feb 25, 2026256.68258.86252.33255.91255.721.79%1,097,665
Feb 24, 2026255.00258.00249.06251.41251.22-0.91%1,359,576
Feb 23, 2026258.98260.68248.62253.71253.52-2.05%895,720
Feb 20, 2026247.55263.36247.00259.27258.824.09%1,950,303
Feb 19, 2026251.86254.76245.15249.08248.65-0.51%1,447,620
Feb 18, 2026243.38261.00242.20250.36249.93-4.78%3,024,164
Feb 17, 2026257.68269.91253.20262.94262.490.84%3,505,418
Feb 13, 2026249.26263.90248.56260.74260.294.54%1,663,240
Feb 12, 2026261.01264.45247.50249.42248.99-3.72%1,343,029
Feb 11, 2026257.90266.08252.39259.05258.602.59%2,237,726
Feb 10, 2026258.35259.70246.10252.52252.090.77%1,641,155
Feb 9, 2026241.71251.99239.36250.60250.173.14%1,336,270
Feb 6, 2026231.91244.06231.34242.96242.547.11%1,510,410
Feb 5, 2026216.77230.36213.49226.83226.443.10%1,785,186
Feb 4, 2026232.26237.93212.91220.00219.62-4.17%2,359,265
Feb 3, 2026239.76241.18225.82229.58229.19-1.71%1,941,857