Onto Innovation Inc. (ONTO)
NYSE: ONTO · Real-Time Price · USD
299.50
-15.92 (-5.05%)
At close: Aug 19, 2026, 4:00 PM EDT
300.50
+1.00 (0.33%)
Pre-market: Aug 20, 2026, 4:51 AM EDT
Onto Innovation Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 19, 2026 | 317.05 | 319.46 | 292.53 | 299.50 | 299.50 | -5.05% | 1,154,457 |
| Aug 18, 2026 | 332.40 | 335.58 | 310.22 | 315.42 | 315.42 | -10.18% | 1,360,151 |
| Aug 17, 2026 | 342.10 | 353.84 | 336.87 | 351.16 | 351.16 | 5.86% | 1,235,710 |
| Aug 14, 2026 | 337.20 | 346.90 | 330.99 | 331.71 | 331.71 | -1.81% | 1,047,397 |
| Aug 13, 2026 | 334.57 | 342.80 | 327.23 | 337.82 | 337.82 | 0.14% | 933,332 |
| Aug 12, 2026 | 333.13 | 343.58 | 332.51 | 337.35 | 337.35 | 5.49% | 1,355,689 |
| Aug 11, 2026 | 301.25 | 320.32 | 295.98 | 319.79 | 319.79 | 9.76% | 1,167,735 |
| Aug 10, 2026 | 316.00 | 316.00 | 291.05 | 291.35 | 291.35 | -5.50% | 1,164,526 |
| Aug 7, 2026 | 300.00 | 314.22 | 295.00 | 308.30 | 308.30 | 14.74% | 2,093,633 |
| Aug 6, 2026 | 266.43 | 280.23 | 260.10 | 268.70 | 268.70 | -2.64% | 1,552,745 |
| Aug 5, 2026 | 284.37 | 295.11 | 275.01 | 276.00 | 276.00 | -4.03% | 1,020,097 |
| Aug 4, 2026 | 282.98 | 293.15 | 282.17 | 287.60 | 287.60 | 7.12% | 1,196,839 |
| Aug 3, 2026 | 248.23 | 272.81 | 245.53 | 268.49 | 268.49 | 3.83% | 859,755 |
| Jul 31, 2026 | 261.00 | 273.17 | 252.42 | 258.58 | 258.58 | 3.22% | 1,513,483 |
| Jul 30, 2026 | 238.49 | 255.00 | 238.01 | 250.52 | 250.52 | 14.75% | 1,473,821 |
| Jul 29, 2026 | 232.84 | 237.38 | 215.07 | 218.31 | 218.31 | -9.75% | 2,067,559 |
| Jul 28, 2026 | 250.00 | 250.00 | 229.03 | 241.89 | 241.89 | -7.79% | 1,353,684 |
| Jul 27, 2026 | 273.23 | 276.73 | 250.46 | 262.33 | 262.33 | -3.77% | 1,047,531 |
| Jul 24, 2026 | 285.35 | 287.73 | 267.24 | 272.62 | 272.62 | -6.40% | 799,661 |
| Jul 23, 2026 | 293.22 | 303.64 | 287.58 | 291.27 | 291.27 | -1.35% | 848,110 |
| Jul 22, 2026 | 288.40 | 298.80 | 287.90 | 295.25 | 295.25 | -1.27% | 731,017 |
| Jul 21, 2026 | 295.33 | 302.83 | 287.74 | 299.05 | 299.05 | 7.36% | 811,617 |
| Jul 20, 2026 | 286.51 | 290.84 | 275.90 | 278.54 | 278.54 | -0.47% | 706,381 |
| Jul 17, 2026 | 265.00 | 285.94 | 257.82 | 279.85 | 279.85 | -0.62% | 1,379,608 |
| Jul 16, 2026 | 291.46 | 298.39 | 278.01 | 281.61 | 281.61 | -7.59% | 1,059,051 |
| Jul 15, 2026 | 326.30 | 327.50 | 293.88 | 304.73 | 304.73 | -4.57% | 1,003,770 |
| Jul 14, 2026 | 324.56 | 327.49 | 314.28 | 319.32 | 319.32 | 4.97% | 1,050,279 |
| Jul 13, 2026 | 311.79 | 316.97 | 300.00 | 304.21 | 304.21 | -5.36% | 1,120,772 |
| Jul 10, 2026 | 308.85 | 325.68 | 307.31 | 321.44 | 321.44 | 1.39% | 880,181 |
| Jul 9, 2026 | 313.63 | 333.54 | 313.63 | 317.02 | 317.02 | 8.77% | 1,762,320 |
| Jul 8, 2026 | 277.76 | 295.39 | 275.11 | 291.45 | 291.45 | 4.12% | 1,373,082 |
| Jul 7, 2026 | 285.55 | 292.00 | 268.54 | 279.93 | 279.93 | -7.88% | 1,493,491 |
| Jul 6, 2026 | 318.33 | 320.24 | 299.13 | 303.86 | 303.86 | -1.21% | 971,915 |
| Jul 2, 2026 | 348.72 | 351.80 | 296.55 | 307.58 | 307.58 | -12.46% | 1,964,645 |
| Jul 1, 2026 | 357.87 | 359.76 | 345.00 | 351.36 | 351.36 | -7.16% | 1,529,256 |
| Jun 30, 2026 | 355.36 | 386.46 | 351.44 | 378.45 | 378.45 | 7.68% | 2,468,153 |
| Jun 29, 2026 | 321.53 | 351.72 | 312.23 | 351.45 | 351.45 | 8.50% | 1,596,425 |
| Jun 26, 2026 | 331.00 | 331.58 | 313.19 | 323.92 | 323.92 | -5.90% | 2,367,529 |
| Jun 25, 2026 | 342.34 | 353.18 | 326.58 | 344.24 | 344.24 | 6.83% | 1,759,550 |
| Jun 24, 2026 | 316.01 | 322.30 | 308.23 | 322.24 | 322.24 | 2.01% | 1,316,654 |
| Jun 23, 2026 | 320.61 | 323.64 | 308.69 | 315.88 | 315.88 | -9.20% | 1,198,799 |
| Jun 22, 2026 | 346.50 | 349.38 | 337.00 | 347.87 | 347.87 | 4.23% | 1,231,697 |
| Jun 18, 2026 | 338.00 | 344.36 | 332.16 | 333.76 | 333.76 | 4.65% | 1,784,360 |
| Jun 17, 2026 | 330.00 | 337.65 | 318.86 | 318.92 | 318.92 | 0.88% | 853,275 |
| Jun 16, 2026 | 332.85 | 341.50 | 316.02 | 316.15 | 316.15 | -5.90% | 1,156,022 |
| Jun 15, 2026 | 340.00 | 348.76 | 332.65 | 335.96 | 335.96 | 3.73% | 1,460,138 |
| Jun 12, 2026 | 306.37 | 326.96 | 301.87 | 323.88 | 323.88 | 6.70% | 1,806,935 |
| Jun 11, 2026 | 282.56 | 303.80 | 280.02 | 303.53 | 303.53 | 12.70% | 1,355,608 |
| Jun 10, 2026 | 273.57 | 290.00 | 268.11 | 269.33 | 269.33 | -1.72% | 1,177,691 |
| Jun 9, 2026 | 290.00 | 294.96 | 256.09 | 274.03 | 274.03 | 1.87% | 1,235,701 |