If you invested $1000 in MKS Inc. (MKSI) 10 years ago, it would be worth $4,292.42 as of October 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,399.53, while $1000 invested 1 year ago would be worth $1,400.93. This corresponds to total returns of 329.24%, 39.95%, 40.09%, respectively, with annualized returns of 15.68%, 6.96%, 40.09%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| October 22, 2026 | 204.01 | 196.11 | 196.11 | 205.18 | 193.21 | 2.56M |
| October 21, 2026 | 220.69 | 216.1 | 216.1 | 220.69 | 213.19 | 1.35M |
| October 20, 2026 | 210.57 | 211.14 | 211.14 | 216.82 | 205.62 | 1.16M |
| October 19, 2026 | 221.51 | 215.41 | 215.41 | 223.49 | 215.09 | 1.35M |
| October 16, 2026 | 224.4 | 214.83 | 214.83 | 225.79 | 213.95 | 1.6M |
| October 15, 2026 | 224.32 | 228.52 | 228.52 | 230.57 | 212.35 | 2.57M |
| October 14, 2026 | 241.02 | 234.5 | 234.5 | 244.54 | 232.2 | 1.68M |
| October 13, 2026 | 242.35 | 247.56 | 247.56 | 249.52 | 238.14 | 1.69M |
| October 12, 2026 | 261.18 | 249.91 | 249.91 | 261.18 | 249.81 | 1.36M |
| October 09, 2026 | 266.09 | 264.5 | 264.5 | 267.96 | 256.65 | 636,361 |
| October 08, 2026 | 266.69 | 260.38 | 260.38 | 274.07 | 257.6 | 1.28M |
| October 07, 2026 | 271.72 | 273.15 | 273.15 | 274.99 | 269.11 | 1.01M |
| October 06, 2026 | 285.4 | 281.41 | 281.41 | 286.38 | 276.56 | 1.06M |
| October 05, 2026 | 279.79 | 280.5 | 280.5 | 284.21 | 273.6 | 1.09M |
| October 02, 2026 | 284.1 | 279.15 | 279.15 | 284.63 | 278.91 | 1.35M |
| October 01, 2026 | 265.57 | 271.24 | 271.24 | 275.48 | 262.77 | 1.34M |
| September 30, 2026 | 267.82 | 265.36 | 265.36 | 268 | 260.23 | 750,019 |
| September 29, 2026 | 264.18 | 266.02 | 266.02 | 266.28 | 261.36 | 806,737 |
| September 28, 2026 | 259.56 | 258.38 | 258.38 | 259.69 | 251.19 | 1.09M |
| September 25, 2026 | 261.01 | 260.82 | 260.82 | 262.66 | 257.9 | 683,219 |
| September 24, 2026 | 256.64 | 257.98 | 257.98 | 259.82 | 254.21 | 694,970 |
| September 23, 2026 | 260.37 | 262.72 | 262.72 | 263.78 | 253.41 | 1.53M |
| September 22, 2026 | 253.5 | 260.37 | 260.37 | 260.66 | 252.6 | 2.71M |
| September 21, 2026 | 258.2 | 256.92 | 256.92 | 259 | 251.79 | 945,539 |
| September 18, 2026 | 244.03 | 252.08 | 252.08 | 252.38 | 243 | 2.23M |
| September 17, 2026 | 245.5 | 240.23 | 240.23 | 250.84 | 238.45 | 1.03M |
| September 16, 2026 | 237.8 | 235.28 | 235.28 | 240.48 | 232.03 | 959,604 |
| September 15, 2026 | 242.6 | 231.5 | 231.5 | 242.6 | 228.46 | 1.63M |
| September 11, 2026 | 267.86 | 267.31 | 267.31 | 270.29 | 264.74 | 1.25M |
| September 10, 2026 | 260.83 | 261.84 | 261.84 | 265.6 | 258.79 | 961,299 |
| September 09, 2026 | 262.34 | 268.05 | 268.05 | 269.78 | 262.34 | 1.2M |
| September 08, 2026 | 264.06 | 265.5 | 265.5 | 270.17 | 260.35 | 1.75M |
| September 04, 2026 | 255.14 | 260.31 | 260.31 | 260.94 | 253.97 | 1.63M |
| September 03, 2026 | 247.1 | 249.65 | 249.65 | 250.78 | 241.51 | 1.14M |
| September 02, 2026 | 247.3 | 251.38 | 251.38 | 252.98 | 245.9 | 1.09M |
| September 01, 2026 | 250.96 | 246.44 | 246.44 | 252.09 | 243.72 | 1.64M |
| August 31, 2026 | 258.38 | 256.24 | 256.24 | 259.38 | 254.48 | 958,609 |
| August 28, 2026 | 268.08 | 255.76 | 255.76 | 269.36 | 255.14 | 1.4M |
| August 27, 2026 | 279.03 | 270.99 | 270.99 | 282.56 | 268.44 | 791,998 |
| August 26, 2026 | 270.12 | 271.75 | 271.75 | 275.17 | 266.52 | 1.7M |
| August 25, 2026 | 274.93 | 270.48 | 270.48 | 274.93 | 266.25 | 1.16M |
| August 24, 2026 | 271.5 | 269.06 | 269.06 | 274 | 264.54 | 1.88M |
| August 21, 2026 | 282.6 | 279.11 | 279.11 | 285.47 | 274.88 | 927,894 |
| August 20, 2026 | 280.91 | 281.88 | 281.88 | 284.54 | 274.31 | 1.06M |
| August 19, 2026 | 304.16 | 281.6 | 281.6 | 304.16 | 278.23 | 1.54M |
| August 18, 2026 | 303.87 | 300.24 | 300.24 | 309.14 | 294.68 | 1.33M |
| August 17, 2026 | 315.42 | 320.74 | 320.74 | 325.24 | 313.11 | 1.12M |
| August 14, 2026 | 302.01 | 310.73 | 310.73 | 312.08 | 302.01 | 1.08M |
| August 13, 2026 | 306.99 | 306.29 | 306.29 | 316.39 | 305.56 | 944,892 |
| August 12, 2026 | 312.9 | 306.83 | 306.83 | 317 | 305.55 | 1.2M |
| August 11, 2026 | 299.03 | 294.38 | 294.38 | 300.71 | 290.76 | 698,567 |
| August 10, 2026 | 304.92 | 292.35 | 292.35 | 309.84 | 292.09 | 986,693 |
| August 07, 2026 | 301.18 | 304.99 | 304.99 | 310.43 | 298 | 1.22M |
| August 06, 2026 | 291.02 | 291.31 | 291.31 | 309.67 | 285.58 | 2.81M |
| August 05, 2026 | 319.23 | 313.1 | 313.1 | 329.35 | 311.86 | 2.31M |
| August 04, 2026 | 327.27 | 320.76 | 320.76 | 329.34 | 320.45 | 2.89M |
| August 03, 2026 | 288.31 | 309.98 | 309.98 | 313.46 | 288.31 | 1.4M |
| July 31, 2026 | 310 | 297.45 | 297.45 | 314.69 | 294.15 | 1.14M |
| July 30, 2026 | 288.8 | 293.3 | 293.3 | 297.57 | 284.78 | 3.02M |
| July 29, 2026 | 280.97 | 257.61 | 257.61 | 290.51 | 256.16 | 2.51M |