MKS Inc. (MKSI)
NASDAQ: MKSI · Real-Time Price · USD
285.75
+6.37 (2.28%)
May 4, 2026, 10:05 AM EDT - Market open
MKS Inc. Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 4, 2026 | 277.72 | 282.42 | 277.55 | 284.10 | - | 1.69% | 128,415 |
| May 1, 2026 | 282.98 | 285.67 | 275.04 | 279.38 | 279.38 | -1.54% | 1,280,678 |
| Apr 30, 2026 | 270.18 | 284.14 | 263.73 | 283.75 | 283.75 | 6.90% | 1,526,154 |
| Apr 29, 2026 | 273.88 | 278.91 | 261.23 | 265.44 | 265.44 | -0.92% | 783,977 |
| Apr 28, 2026 | 268.88 | 277.00 | 264.45 | 267.90 | 267.90 | -3.76% | 1,078,297 |
| Apr 27, 2026 | 282.57 | 283.61 | 267.94 | 278.36 | 278.36 | -0.93% | 817,585 |
| Apr 24, 2026 | 290.00 | 294.05 | 279.38 | 280.98 | 280.98 | 0.15% | 845,450 |
| Apr 23, 2026 | 280.28 | 287.00 | 272.97 | 280.56 | 280.56 | 0.76% | 1,208,149 |
| Apr 22, 2026 | 280.97 | 282.62 | 266.85 | 278.45 | 278.45 | 1.71% | 1,704,302 |
| Apr 21, 2026 | 283.57 | 289.49 | 271.19 | 273.77 | 273.77 | -2.20% | 957,319 |
| Apr 20, 2026 | 279.01 | 285.82 | 278.00 | 279.93 | 279.93 | 0.48% | 946,469 |
| Apr 17, 2026 | 277.17 | 281.77 | 275.00 | 278.59 | 278.59 | 3.22% | 947,849 |
| Apr 16, 2026 | 267.92 | 272.51 | 263.00 | 269.89 | 269.89 | 0.33% | 1,372,385 |
| Apr 15, 2026 | 269.57 | 272.92 | 261.89 | 269.00 | 269.00 | -1.88% | 784,452 |
| Apr 14, 2026 | 275.97 | 277.94 | 269.95 | 274.15 | 274.15 | 0.36% | 1,001,709 |
| Apr 13, 2026 | 266.65 | 273.55 | 265.28 | 273.18 | 273.18 | 1.64% | 561,128 |
| Apr 10, 2026 | 268.26 | 272.71 | 266.00 | 268.77 | 268.77 | 2.10% | 789,057 |
| Apr 9, 2026 | 255.22 | 267.07 | 255.22 | 263.25 | 263.25 | 2.83% | 1,058,552 |
| Apr 8, 2026 | 256.99 | 260.99 | 250.00 | 256.01 | 256.01 | 7.49% | 1,569,977 |
| Apr 7, 2026 | 233.96 | 241.90 | 232.92 | 238.17 | 238.17 | 0.50% | 811,283 |
| Apr 6, 2026 | 236.11 | 240.82 | 233.12 | 236.98 | 236.98 | 0.99% | 523,478 |
| Apr 2, 2026 | 222.42 | 241.11 | 222.42 | 234.66 | 234.66 | -0.55% | 885,252 |
| Apr 1, 2026 | 234.57 | 240.00 | 233.10 | 235.96 | 235.96 | 2.68% | 1,014,749 |
| Mar 31, 2026 | 217.46 | 231.16 | 215.00 | 229.81 | 229.81 | 9.19% | 1,235,770 |
| Mar 30, 2026 | 227.97 | 227.97 | 208.47 | 210.47 | 210.47 | -5.69% | 1,250,461 |
| Mar 27, 2026 | 222.08 | 228.57 | 221.16 | 223.18 | 223.18 | -0.86% | 722,008 |
| Mar 26, 2026 | 237.00 | 239.21 | 224.04 | 225.12 | 225.12 | -7.62% | 1,111,341 |
| Mar 25, 2026 | 244.64 | 245.70 | 236.00 | 243.68 | 243.68 | 0.05% | 741,518 |
| Mar 24, 2026 | 231.49 | 247.90 | 229.08 | 243.56 | 243.56 | 3.63% | 895,859 |
| Mar 23, 2026 | 234.87 | 243.50 | 232.61 | 235.02 | 235.02 | 3.47% | 823,463 |
| Mar 20, 2026 | 235.70 | 237.95 | 222.10 | 227.13 | 227.13 | -4.10% | 1,882,830 |
| Mar 19, 2026 | 224.32 | 239.36 | 220.14 | 236.85 | 236.85 | 1.48% | 1,495,374 |
| Mar 18, 2026 | 231.21 | 235.25 | 228.23 | 233.39 | 233.39 | 1.97% | 1,280,010 |
| Mar 17, 2026 | 223.20 | 230.62 | 220.74 | 228.89 | 228.89 | 3.12% | 1,053,063 |
| Mar 16, 2026 | 218.99 | 227.46 | 217.92 | 221.96 | 221.96 | 3.99% | 1,522,763 |
| Mar 13, 2026 | 216.69 | 224.72 | 212.08 | 213.45 | 213.45 | -0.02% | 757,418 |
| Mar 12, 2026 | 218.93 | 220.71 | 211.09 | 213.49 | 213.49 | -4.81% | 1,527,149 |
| Mar 11, 2026 | 222.97 | 230.98 | 221.50 | 224.27 | 224.27 | -0.45% | 1,051,229 |
| Mar 10, 2026 | 220.33 | 233.42 | 220.09 | 225.28 | 225.28 | 3.17% | 1,221,718 |
| Mar 9, 2026 | 203.88 | 220.54 | 200.50 | 218.36 | 218.36 | 3.98% | 2,051,404 |
| Mar 6, 2026 | 220.33 | 224.29 | 208.95 | 210.00 | 210.00 | -8.87% | 1,783,188 |
| Mar 5, 2026 | 230.03 | 238.35 | 223.19 | 230.45 | 230.45 | -2.03% | 1,333,086 |
| Mar 4, 2026 | 237.16 | 239.98 | 231.62 | 235.23 | 235.23 | 1.15% | 1,137,856 |
| Mar 3, 2026 | 235.64 | 239.26 | 228.56 | 232.56 | 232.56 | -4.79% | 1,407,639 |
| Mar 2, 2026 | 239.44 | 246.98 | 238.00 | 244.26 | 244.26 | -0.08% | 1,069,596 |
| Feb 27, 2026 | 239.00 | 245.00 | 237.91 | 244.46 | 244.46 | -0.09% | 1,862,043 |
| Feb 26, 2026 | 255.01 | 256.77 | 238.88 | 244.68 | 244.68 | -4.39% | 2,139,711 |
| Feb 25, 2026 | 256.68 | 258.86 | 252.33 | 255.91 | 255.91 | 1.79% | 1,097,665 |
| Feb 24, 2026 | 255.00 | 258.00 | 249.06 | 251.41 | 251.41 | -0.91% | 1,359,576 |
| Feb 23, 2026 | 258.98 | 260.68 | 248.62 | 253.71 | 253.71 | -2.14% | 895,720 |