MKS Inc. (MKSI)
NASDAQ: MKSI · Real-Time Price · USD
320.86
-2.55 (-0.79%)
May 29, 2026, 11:22 AM EDT - Market open

MKS Inc. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
May 29, 2026325.99329.75319.33320.86--0.79%240,981
May 28, 2026327.41330.26316.35323.41323.41-1.40%1,105,933
May 27, 2026338.58339.00321.45328.01328.01-1.83%881,183
May 26, 2026330.50334.80326.45334.11334.114.21%855,558
May 22, 2026315.48322.00311.75320.62320.622.38%829,634
May 21, 2026311.51314.04307.18313.16313.160.53%1,336,788
May 20, 2026302.00312.74300.09311.51311.515.94%1,118,339
May 19, 2026289.56294.27280.83294.04294.04-0.56%1,483,672
May 18, 2026314.51315.12290.00295.70295.70-2.46%1,447,952
May 15, 2026301.43304.71295.08303.17303.17-3.39%1,214,573
May 14, 2026317.31317.43308.51313.81313.81-1.10%984,259
May 13, 2026318.99321.52311.66317.31317.311.79%923,780
May 12, 2026312.78313.38298.16311.72311.72-2.50%1,480,108
May 11, 2026313.47321.65313.47319.71319.712.08%1,227,047
May 8, 2026318.70324.42308.83313.21313.214.13%1,736,811
May 7, 2026316.17326.84295.77300.79300.792.39%2,327,555
May 6, 2026294.92294.92280.50293.77293.772.13%2,303,432
May 5, 2026297.02298.00280.18287.65287.65-1.33%1,537,423
May 4, 2026277.72292.12277.55291.53291.534.35%1,908,899
May 1, 2026282.98285.67275.04279.38279.38-1.54%1,300,898
Apr 30, 2026270.18284.14263.73283.75283.756.90%1,632,571
Apr 29, 2026273.88278.91261.23265.44265.44-0.92%796,663
Apr 28, 2026268.88277.00264.45267.90267.90-3.76%1,078,299
Apr 27, 2026282.57283.61267.94278.36278.36-0.93%817,585
Apr 24, 2026290.00294.05279.38280.98280.980.15%845,450
Apr 23, 2026280.28287.00272.97280.56280.560.76%1,208,149
Apr 22, 2026280.97282.62266.85278.45278.451.71%1,704,302
Apr 21, 2026283.57289.49271.19273.77273.77-2.20%957,319
Apr 20, 2026279.01285.82278.00279.93279.930.48%946,469
Apr 17, 2026277.17281.77275.00278.59278.593.22%947,849
Apr 16, 2026267.92272.51263.00269.89269.890.33%1,372,385
Apr 15, 2026269.57272.92261.89269.00269.00-1.88%784,452
Apr 14, 2026275.97277.94269.95274.15274.150.36%1,001,709
Apr 13, 2026266.65273.55265.28273.18273.181.64%561,128
Apr 10, 2026268.26272.71266.00268.77268.772.10%789,057
Apr 9, 2026255.22267.07255.22263.25263.252.83%1,058,552
Apr 8, 2026256.99260.99250.00256.01256.017.49%1,569,977
Apr 7, 2026233.96241.90232.92238.17238.170.50%811,283
Apr 6, 2026236.11240.82233.12236.98236.980.99%523,478
Apr 2, 2026222.42241.11222.42234.66234.66-0.55%885,252
Apr 1, 2026234.57240.00233.10235.96235.962.68%1,014,749
Mar 31, 2026217.46231.16215.00229.81229.819.19%1,235,770
Mar 30, 2026227.97227.97208.47210.47210.47-5.69%1,250,461
Mar 27, 2026222.08228.57221.16223.18223.18-0.86%722,008
Mar 26, 2026237.00239.21224.04225.12225.12-7.62%1,111,341
Mar 25, 2026244.64245.70236.00243.68243.680.05%741,518
Mar 24, 2026231.49247.90229.08243.56243.563.63%895,859
Mar 23, 2026234.87243.50232.61235.02235.023.47%823,463
Mar 20, 2026235.70237.95222.10227.13227.13-4.10%1,882,830
Mar 19, 2026224.32239.36220.14236.85236.851.48%1,495,374