MKSI
MKS (MKSI)
NASDAQ
$279.49+$0.38 (+0.13%)
Price as of Aug 21, 2026 7:30 PM EDT
  • $19.1B
    Market Cap
  • 166.61%
    1-Year Change
  • Scientific & Technical Instruments
    Industry
  • 1 Month
    -19.20%
    Low Price$257.61
    High Price$329.18
  • 3 Months
    -10.81%
    Low Price$257.61
    High Price$444.80
  • 1 Year
    +166.61%
    Low Price$99.91
    High Price$444.80
Date
Open
High
Low
Close
Change (%)
Volume
08/21/2026
282.60
285.47
274.88
279.11
-0.98%
928,027
08/20/2026
280.91
284.54
274.31
281.88
+0.10%
1,113,252
08/19/2026
304.16
304.16
278.23
281.60
-6.21%
1,535,867
08/18/2026
303.87
309.14
294.68
300.24
-6.39%
1,426,297
08/17/2026
315.42
325.24
313.11
320.74
+3.22%
1,172,576
08/14/2026
302.01
312.08
302.01
310.73
+1.45%
1,178,614
08/13/2026
306.99
316.39
305.56
306.29
-0.18%
946,847
08/12/2026
312.90
317.00
305.55
306.83
+4.23%
1,210,823
08/11/2026
299.03
300.72
290.76
294.38
+0.69%
698,760
08/10/2026
304.92
309.84
292.09
292.35
-4.14%
1,068,535
08/07/2026
301.18
310.43
298.00
304.99
+4.70%
1,269,659
08/06/2026
291.02
309.67
285.58
291.31
-6.96%
2,840,273
08/05/2026
319.23
329.35
311.86
313.10
-2.39%
2,366,185
08/05/2026
$3.30 Earnings
08/04/2026
327.27
329.34
320.45
320.76
+3.48%
2,892,304
08/03/2026
288.31
313.46
288.31
309.98
+4.21%
1,404,671
07/31/2026
310.00
314.69
294.15
297.45
+1.41%
1,143,074
07/30/2026
288.80
297.57
284.78
293.30
+13.85%
3,027,478
07/29/2026
280.97
290.51
256.16
257.61
-9.71%
2,510,373
07/28/2026
296.31
296.91
277.01
285.31
-9.63%
1,990,201
07/27/2026
330.15
334.00
298.38
315.70
-4.10%
1,391,386
07/24/2026
341.09
345.13
326.08
329.18
-4.67%
849,717
07/23/2026
338.49
348.43
336.74
345.30
+0.13%
752,097
07/22/2026
330.74
349.02
328.43
344.84
-0.17%
801,308
07/21/2026
347.28
347.45
333.72
345.44
+6.53%
1,106,516
07/20/2026
330.88
338.98
322.75
324.28
-0.13%
812,898
07/17/2026
315.02
330.61
307.10
324.69
-2.20%
1,893,434
07/16/2026
336.12
349.07
327.38
332.00
-6.16%
1,112,183
07/15/2026
366.49
374.12
336.76
353.80
-1.29%
1,403,158
07/14/2026
373.21
373.21
353.20
358.43
+1.82%
823,343
07/13/2026
352.51
358.48
346.07
352.03
-4.49%
851,883
07/10/2026
357.94
371.44
355.00
368.58
-0.05%
862,770
07/09/2026
370.14
380.50
366.27
368.78
+5.55%
1,256,840
07/08/2026
341.50
358.21
341.50
349.39
-0.05%
1,228,278
07/07/2026
342.86
353.00
329.01
349.57
-5.02%
1,886,575
07/06/2026
375.84
385.58
364.67
368.06
+0.68%
1,277,802
07/02/2026
408.00
408.92
355.08
365.56
-11.07%
2,168,108
07/01/2026
424.61
428.97
406.68
411.05
-7.59%
1,536,011
06/30/2026
425.78
447.62
418.48
444.80
+6.92%
2,230,537
06/29/2026
393.18
419.95
384.74
416.00
+7.05%
2,105,905
06/26/2026
394.14
401.05
385.00
388.61
-5.29%
2,025,795
06/25/2026
408.00
414.64
383.38
410.31
+7.52%
2,437,823
06/24/2026
390.54
395.75
376.83
381.62
-1.94%
1,804,663
06/23/2026
388.69
394.47
382.56
389.17
-7.46%
1,641,094
06/22/2026
413.50
421.58
407.00
420.56
+3.49%
1,547,006
06/18/2026
386.56
408.87
382.00
406.37
+9.46%
2,126,917
06/17/2026
383.99
386.01
369.85
371.26
+1.35%
1,196,918
06/16/2026
375.00
379.99
365.36
366.31
-2.40%
1,090,149
06/15/2026
367.88
377.66
367.88
375.32
+5.52%
915,166
06/12/2026
345.32
359.35
341.45
355.69
+3.00%
961,427
06/11/2026
326.74
347.27
326.10
345.32
+9.25%
1,005,554
06/10/2026
317.42
333.69
310.36
316.07
-1.52%
1,270,125
06/09/2026
320.44
332.01
298.00
320.96
+2.84%
1,205,406
06/08/2026
314.99
339.92
309.03
312.09
+3.46%
1,099,758
06/05/2026
315.23
318.88
300.11
301.65
-8.65%
955,720
06/04/2026
321.01
335.83
318.01
330.23
-1.47%
679,274
06/03/2026
339.40
341.81
326.81
335.15
+1.22%
716,606
06/03/2026
$0.25 Dividend
06/02/2026
324.11
334.24
320.14
331.11
+4.33%
1,125,569
06/01/2026
317.78
319.07
309.23
317.38
-2.05%
1,037,105
05/29/2026
325.74
329.50
316.92
324.02
+0.26%
1,204,482
05/28/2026
327.16
330.01
316.11
323.17
-1.40%
1,106,909
05/27/2026
338.32
338.74
321.20
327.76
-1.83%
911,292
05/26/2026
330.25
334.55
326.20
333.86
+4.21%
861,072
05/22/2026
315.24
321.76
311.52
320.38
+2.38%
835,818
05/21/2026
311.27
313.80
306.95
312.92
+0.53%
1,361,718
05/20/2026
301.77
312.50
299.86
311.27
+5.94%
1,129,953
05/19/2026
289.34
294.04
280.62
293.82
-0.56%
1,529,544
05/18/2026
314.27
314.88
289.78
295.48
-2.46%
1,486,354
05/15/2026
301.20
304.48
294.86
302.94
-3.39%
1,214,574
05/14/2026
317.07
317.19
308.28
313.57
-1.10%
984,193
05/13/2026
318.75
321.28
311.42
317.07
+1.79%
923,782
05/12/2026
312.54
313.14
297.93
311.48
-2.50%
1,480,109
05/11/2026
313.23
321.41
313.23
319.47
+2.08%
1,227,044
05/08/2026
318.46
324.18
308.60
312.97
+4.13%
1,736,811
05/07/2026
315.93
326.59
295.55
300.56
+2.39%
2,327,555
05/06/2026
294.70
294.70
280.29
293.55
+2.13%
2,303,434
05/06/2026
$2.30 Earnings
05/05/2026
296.80
297.78
279.97
287.43
-1.33%
1,537,423
05/04/2026
277.51
291.90
277.34
291.31
+4.35%
1,908,901
05/01/2026
282.77
285.45
274.83
279.17
-1.54%
1,300,898
04/30/2026
269.98
283.93
263.53
283.54
+6.90%
1,632,573
04/29/2026
273.67
278.70
261.03
265.24
-0.92%
796,664
04/28/2026
268.68
276.79
264.25
267.70
-3.76%
1,078,300
04/27/2026
282.36
283.39
267.74
278.15
-0.93%
817,405
04/24/2026
289.78
293.83
279.17
280.77
+0.15%
845,450
04/23/2026
280.07
286.78
272.76
280.35
+0.76%
1,208,149
04/22/2026
280.76
282.41
266.64
278.24
+1.71%
1,704,302
04/21/2026
283.36
289.27
270.99
273.56
-2.20%
957,266
04/20/2026
278.80
285.60
277.79
279.72
+0.48%
915,709
04/17/2026
276.96
281.56
274.79
278.38
+3.22%
947,849
04/16/2026
267.72
272.30
262.80
269.69
+0.33%
1,372,385
04/15/2026
269.37
272.71
261.69
268.80
-1.88%
784,452
04/14/2026
275.76
277.73
269.75
273.94
+0.36%
1,001,709
04/13/2026
266.44
273.34
265.08
272.97
+1.64%
561,025
04/10/2026
268.06
272.50
265.80
268.57
+2.10%
787,837
04/09/2026
255.03
266.86
255.03
263.05
+2.83%
1,058,469
04/08/2026
256.80
260.79
249.81
255.82
+7.49%
1,569,977
04/07/2026
233.78
241.72
232.74
237.99
+0.50%
811,283
04/06/2026
235.93
240.64
232.94
236.80
+0.99%
523,478