ONTO
ONTO INNOVATION (ONTO)
NYSE
$291.50-$1.83 (-0.62%)
Price as of Aug 21, 2026 7:53 PM EDT
  • $14.4B
    Market Cap
  • 170.35%
    1-Year Change
  • Semiconductor Equipment & Materials
    Industry
  • 1 Month
    -1.91%
    Low Price$218.31
    High Price$351.16
  • 3 Months
    +12.19%
    Low Price$218.31
    High Price$378.45
  • 1 Year
    +170.35%
    Low Price$101.95
    High Price$378.45
Date
Open
High
Low
Close
Change (%)
Volume
08/21/2026
303.00
303.77
286.49
293.33
-1.84%
804,777
08/20/2026
296.00
306.62
292.35
298.84
-0.22%
602,751
08/19/2026
317.05
319.46
292.53
299.50
-5.05%
1,158,514
08/18/2026
332.40
335.58
310.22
315.42
-10.18%
1,362,597
08/17/2026
342.10
353.84
336.87
351.16
+5.86%
1,239,873
08/14/2026
337.20
346.90
330.99
331.71
-1.81%
1,075,002
08/13/2026
334.57
342.80
327.23
337.82
+0.14%
934,024
08/12/2026
333.13
343.58
332.51
337.35
+5.49%
1,356,675
08/11/2026
301.25
320.32
295.98
319.79
+9.76%
1,173,439
08/10/2026
316.00
316.00
291.05
291.35
-5.50%
1,166,536
08/07/2026
300.00
314.22
295.00
308.30
+14.74%
2,095,067
08/06/2026
266.43
280.23
260.10
268.70
-2.64%
1,596,293
08/06/2026
$1.93 Earnings
08/05/2026
284.37
295.11
275.01
276.00
-4.03%
1,040,719
08/04/2026
282.98
293.15
282.17
287.60
+7.12%
1,202,302
08/03/2026
248.23
272.81
245.53
268.49
+3.83%
887,562
07/31/2026
261.00
273.17
252.42
258.58
+3.22%
1,514,223
07/30/2026
238.49
255.00
238.01
250.52
+14.75%
1,474,697
07/29/2026
232.84
237.38
215.07
218.31
-9.75%
2,072,047
07/28/2026
250.00
250.00
229.03
241.89
-7.79%
1,356,091
07/27/2026
273.23
276.73
250.46
262.33
-3.77%
1,048,137
07/24/2026
285.35
287.73
267.24
272.62
-6.40%
828,573
07/23/2026
293.22
303.64
287.58
291.27
-1.35%
856,956
07/22/2026
288.40
298.80
287.90
295.25
-1.27%
733,184
07/21/2026
295.33
302.83
287.74
299.05
+7.36%
840,125
07/20/2026
286.51
290.84
275.90
278.54
-0.47%
706,740
07/17/2026
265.00
285.94
257.82
279.85
-0.62%
1,383,186
07/16/2026
291.46
298.39
278.01
281.61
-7.59%
1,097,662
07/15/2026
326.30
327.50
293.88
304.73
-4.57%
1,004,159
07/14/2026
324.56
327.49
314.28
319.32
+4.97%
1,051,785
07/13/2026
311.79
316.97
300.00
304.21
-5.36%
1,135,309
07/10/2026
308.85
325.68
307.31
321.44
+1.39%
907,936
07/09/2026
313.63
333.54
313.63
317.02
+8.77%
1,785,516
07/08/2026
277.76
295.39
275.11
291.45
+4.12%
1,374,726
07/07/2026
285.55
292.00
268.54
279.93
-7.88%
1,499,727
07/06/2026
318.33
320.24
299.13
303.86
-1.21%
973,169
07/02/2026
348.72
351.80
296.55
307.58
-12.46%
1,968,028
07/01/2026
357.87
359.76
345.00
351.36
-7.16%
1,533,368
06/30/2026
355.36
386.46
351.44
378.45
+7.68%
2,511,848
06/29/2026
321.53
351.72
312.23
351.45
+8.50%
1,639,041
06/26/2026
331.00
331.58
313.19
323.92
-5.90%
2,400,145
06/25/2026
342.34
353.18
326.58
344.24
+6.83%
1,800,091
06/24/2026
316.01
322.30
308.23
322.24
+2.01%
1,347,249
06/23/2026
320.61
323.64
308.69
315.88
-9.20%
1,199,856
06/22/2026
346.50
349.38
337.00
347.87
+4.23%
1,234,315
06/18/2026
338.00
344.36
332.16
333.76
+4.65%
1,798,427
06/17/2026
330.00
337.65
318.86
318.92
+0.88%
854,201
06/16/2026
332.85
341.50
316.02
316.15
-5.90%
1,159,111
06/15/2026
340.00
348.76
332.65
335.96
+3.73%
1,511,964
06/12/2026
306.37
326.96
301.87
323.88
+6.70%
1,810,391
06/11/2026
282.56
303.80
280.02
303.53
+12.70%
1,359,944
06/10/2026
273.57
290.00
268.11
269.33
-1.72%
1,197,766
06/09/2026
290.00
294.96
256.09
274.03
+1.87%
1,245,255
06/08/2026
266.14
273.19
262.01
268.99
+6.22%
1,310,228
06/05/2026
269.14
270.02
250.22
253.24
-7.83%
1,101,987
06/04/2026
269.16
280.59
264.46
274.76
-1.86%
784,375
06/03/2026
280.00
285.03
273.38
279.98
+0.70%
1,113,495
06/02/2026
262.87
278.74
261.68
278.02
+8.72%
1,969,882
06/01/2026
253.08
262.96
250.26
255.71
-0.98%
926,252
05/29/2026
260.80
266.10
255.56
258.24
-0.22%
1,121,332
05/28/2026
266.17
266.23
252.58
258.81
-3.03%
967,733
05/27/2026
284.69
284.69
261.86
266.89
-2.66%
1,065,071
05/26/2026
274.02
277.00
264.19
274.17
+4.55%
1,085,884
05/22/2026
264.84
266.46
257.85
262.25
+0.31%
813,484
05/21/2026
260.25
264.61
257.63
261.45
-0.63%
795,156
05/20/2026
252.30
263.70
252.30
263.12
+6.06%
1,810,616
05/19/2026
248.48
251.28
238.12
248.08
-2.53%
5,027,647
05/18/2026
267.00
269.16
250.59
254.53
-6.34%
1,408,680
05/15/2026
267.32
274.39
263.40
271.77
-1.99%
982,622
05/14/2026
279.55
285.82
275.37
277.28
+0.11%
667,992
05/13/2026
285.73
285.73
269.13
276.97
-0.35%
1,102,435
05/12/2026
277.00
283.14
266.52
277.94
-3.33%
1,164,232
05/11/2026
283.85
290.33
280.25
287.52
+1.00%
752,759
05/08/2026
282.40
288.00
281.36
284.67
+3.83%
762,858
05/07/2026
295.49
295.49
273.46
274.17
-6.76%
1,176,666
05/06/2026
287.50
304.36
286.00
294.05
-3.59%
1,870,568
05/05/2026
305.00
309.70
298.42
305.00
+1.82%
1,296,560
05/05/2026
$1.42 Earnings
05/04/2026
297.00
303.13
295.06
299.55
+2.26%
754,266
05/01/2026
291.00
298.99
287.96
292.92
-0.73%
642,903
04/30/2026
292.31
296.41
280.87
295.06
+3.77%
935,170
04/29/2026
286.50
287.50
279.23
284.34
+0.69%
605,114
04/28/2026
279.50
288.24
274.97
282.39
-5.33%
1,044,363
04/27/2026
307.83
310.70
290.00
298.28
-3.11%
960,664
04/24/2026
303.99
316.00
297.74
307.86
+5.32%
1,128,023
04/23/2026
296.84
300.00
284.40
292.31
-1.69%
999,430
04/22/2026
297.56
298.61
288.00
297.34
+2.49%
886,434
04/21/2026
292.78
301.00
288.36
290.11
-1.69%
1,178,348
04/20/2026
295.00
296.17
288.03
295.09
+1.49%
762,555
04/17/2026
283.33
294.04
278.72
290.76
+8.84%
1,232,141
04/16/2026
288.00
288.00
265.22
267.15
+3.19%
1,206,307
04/15/2026
259.20
262.00
249.54
258.90
-1.03%
616,824
04/14/2026
259.00
263.39
253.03
261.59
+3.55%
890,427
04/13/2026
254.29
256.72
249.01
252.61
-1.76%
804,712
04/10/2026
251.90
258.99
250.00
257.14
+4.12%
902,678
04/09/2026
240.00
249.59
239.52
246.96
+2.69%
589,091
04/08/2026
237.14
240.84
230.00
240.49
+9.76%
1,006,395
04/07/2026
219.65
224.84
214.87
219.11
-0.93%
582,230
04/06/2026
220.69
223.00
212.76
221.17
+2.62%
433,396
04/02/2026
201.32
218.49
200.00
215.53
+1.80%
461,995