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
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 29, 2026 | 325.99 | 329.75 | 319.33 | 320.86 | - | -0.79% | 240,981 |
| May 28, 2026 | 327.41 | 330.26 | 316.35 | 323.41 | 323.41 | -1.40% | 1,105,933 |
| May 27, 2026 | 338.58 | 339.00 | 321.45 | 328.01 | 328.01 | -1.83% | 881,183 |
| May 26, 2026 | 330.50 | 334.80 | 326.45 | 334.11 | 334.11 | 4.21% | 855,558 |
| May 22, 2026 | 315.48 | 322.00 | 311.75 | 320.62 | 320.62 | 2.38% | 829,634 |
| May 21, 2026 | 311.51 | 314.04 | 307.18 | 313.16 | 313.16 | 0.53% | 1,336,788 |
| May 20, 2026 | 302.00 | 312.74 | 300.09 | 311.51 | 311.51 | 5.94% | 1,118,339 |
| May 19, 2026 | 289.56 | 294.27 | 280.83 | 294.04 | 294.04 | -0.56% | 1,483,672 |
| May 18, 2026 | 314.51 | 315.12 | 290.00 | 295.70 | 295.70 | -2.46% | 1,447,952 |
| May 15, 2026 | 301.43 | 304.71 | 295.08 | 303.17 | 303.17 | -3.39% | 1,214,573 |
| May 14, 2026 | 317.31 | 317.43 | 308.51 | 313.81 | 313.81 | -1.10% | 984,259 |
| May 13, 2026 | 318.99 | 321.52 | 311.66 | 317.31 | 317.31 | 1.79% | 923,780 |
| May 12, 2026 | 312.78 | 313.38 | 298.16 | 311.72 | 311.72 | -2.50% | 1,480,108 |
| May 11, 2026 | 313.47 | 321.65 | 313.47 | 319.71 | 319.71 | 2.08% | 1,227,047 |
| May 8, 2026 | 318.70 | 324.42 | 308.83 | 313.21 | 313.21 | 4.13% | 1,736,811 |
| May 7, 2026 | 316.17 | 326.84 | 295.77 | 300.79 | 300.79 | 2.39% | 2,327,555 |
| May 6, 2026 | 294.92 | 294.92 | 280.50 | 293.77 | 293.77 | 2.13% | 2,303,432 |
| May 5, 2026 | 297.02 | 298.00 | 280.18 | 287.65 | 287.65 | -1.33% | 1,537,423 |
| May 4, 2026 | 277.72 | 292.12 | 277.55 | 291.53 | 291.53 | 4.35% | 1,908,899 |
| May 1, 2026 | 282.98 | 285.67 | 275.04 | 279.38 | 279.38 | -1.54% | 1,300,898 |
| Apr 30, 2026 | 270.18 | 284.14 | 263.73 | 283.75 | 283.75 | 6.90% | 1,632,571 |
| Apr 29, 2026 | 273.88 | 278.91 | 261.23 | 265.44 | 265.44 | -0.92% | 796,663 |
| Apr 28, 2026 | 268.88 | 277.00 | 264.45 | 267.90 | 267.90 | -3.76% | 1,078,299 |
| 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 |