Skip to main content
Onto Innovation Inc. (ONTO)
NYSE: ONTO · Real-Time Price · USD
282.39
-15.89 (-5.33%)
At close: Apr 28, 2026, 4:00 PM EDT
299.00
+16.61 (5.88%)
After-hours: Apr 28, 2026, 7:48 PM EDT

Onto Innovation Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 2026279.50288.24274.97282.39282.39-5.33%1,039,382
Apr 27, 2026307.83310.70290.00298.28298.28-3.11%955,916
Apr 24, 2026303.99316.00297.74307.86307.865.32%1,110,084
Apr 23, 2026296.84300.00284.40292.31292.31-1.69%998,872
Apr 22, 2026297.56298.61288.00297.34297.342.49%884,636
Apr 21, 2026292.78301.00288.36290.11290.11-1.69%1,151,045
Apr 20, 2026295.00296.17288.03295.09295.091.49%761,877
Apr 17, 2026283.33294.04278.72290.76290.768.84%1,208,755
Apr 16, 2026288.00288.00265.22267.15267.153.19%1,204,664
Apr 15, 2026259.20262.00249.54258.90258.90-1.03%614,644
Apr 14, 2026259.00263.39253.03261.59261.593.55%887,209
Apr 13, 2026254.29256.72249.01252.61252.61-1.76%803,695
Apr 10, 2026251.90258.99250.00257.14257.144.12%902,042
Apr 9, 2026240.00249.59239.52246.96246.962.69%588,758
Apr 8, 2026237.14240.84230.00240.49240.499.76%1,005,945
Apr 7, 2026219.65224.84214.87219.11219.11-0.93%580,276
Apr 6, 2026220.69223.00212.76221.17221.172.62%432,830
Apr 2, 2026201.32218.49200.00215.53215.531.80%461,598
Apr 1, 2026210.06218.05209.25211.72211.723.24%692,733
Mar 31, 2026193.66205.29193.60205.07205.078.35%922,002
Mar 30, 2026207.43207.48188.28189.27189.27-7.33%901,128
Mar 27, 2026202.68207.80200.54204.23204.23-0.25%508,767
Mar 26, 2026215.16216.23204.25204.75204.75-7.37%684,655
Mar 25, 2026221.50223.25210.58221.04221.040.72%626,792
Mar 24, 2026206.66223.20205.23219.46219.464.61%731,079
Mar 23, 2026205.59213.87205.00209.79209.794.81%633,916
Mar 20, 2026206.98210.60197.69200.17200.17-4.44%1,070,041
Mar 19, 2026193.57209.79191.21209.46209.463.75%786,282
Mar 18, 2026198.30202.35194.66201.88201.882.68%786,063
Mar 17, 2026197.56201.31193.70196.61196.611.01%683,008
Mar 16, 2026194.84199.23193.36194.64194.642.70%824,137
Mar 13, 2026186.92191.87186.35189.53189.532.68%663,956
Mar 12, 2026188.30189.99182.16184.59184.59-4.23%675,846
Mar 11, 2026191.88196.87191.01192.74192.74-0.56%742,830
Mar 10, 2026192.85200.98192.05193.82193.821.13%749,347
Mar 9, 2026177.19191.73175.49191.66191.666.64%740,608
Mar 6, 2026189.49191.77176.62179.72179.72-8.72%1,274,330
Mar 5, 2026206.57210.83191.30196.89196.89-5.81%1,014,097
Mar 4, 2026213.14213.50206.02209.04209.040.74%628,331
Mar 3, 2026208.41210.77201.47207.50207.50-4.84%567,772
Mar 2, 2026212.99218.15211.35218.05218.051.00%727,198
Feb 27, 2026212.49217.04208.00215.89215.89-0.91%1,357,962
Feb 26, 2026223.97226.97207.33217.88217.88-3.26%999,917
Feb 25, 2026228.66229.56220.07225.22225.220.46%1,111,869
Feb 24, 2026215.50225.88213.00224.18224.185.13%996,684
Feb 23, 2026211.07213.97204.07213.24213.24-1.46%909,299
Feb 20, 2026226.90232.49208.49216.41216.41-3.96%2,384,209
Feb 19, 2026215.75226.16213.49225.33225.332.42%1,336,956
Feb 18, 2026220.41222.89214.80220.00220.00-0.13%1,069,876
Feb 17, 2026218.45222.00212.62220.29220.291.41%917,199
Feb 13, 2026215.24225.00214.03217.23217.231.17%1,858,506
Feb 12, 2026224.00225.96213.01214.71214.71-3.47%899,430
Feb 11, 2026220.00229.87217.92222.42222.422.16%909,814
Feb 10, 2026215.98221.04213.55217.71217.711.70%758,382
Feb 9, 2026207.70214.45206.46214.08214.082.68%747,863
Feb 6, 2026195.00209.17194.31208.50208.5010.40%973,250
Feb 5, 2026186.65194.85185.27188.86188.860.14%857,166
Feb 4, 2026199.76202.44180.18188.60188.60-5.67%1,199,137
Feb 3, 2026208.75208.75194.28199.94199.94-1.23%705,910
Feb 2, 2026198.94205.61195.31202.43202.430.19%854,018
Jan 30, 2026208.58216.01200.37202.05202.05-5.19%1,185,852
Jan 29, 2026213.14217.51204.94213.12213.12-0.27%661,397
Jan 28, 2026217.26217.26208.46213.70213.702.51%774,593
Jan 27, 2026209.08210.00205.30208.46208.460.83%681,088
Jan 26, 2026209.20209.50201.72206.74206.74-2.43%1,115,385
Jan 23, 2026210.26212.11204.71211.88211.880.04%612,793
Jan 22, 2026224.21224.40211.25211.80211.80-2.21%878,639
Jan 21, 2026217.77219.47212.75216.58216.580.19%885,291
Jan 20, 2026217.00222.00214.36216.16216.16-1.86%877,231
Jan 16, 2026220.93223.57214.44220.26220.261.11%928,257
Jan 15, 2026219.30227.07215.67217.85217.857.73%1,627,756
Jan 14, 2026195.51206.22194.74202.21202.212.42%921,508
Jan 13, 2026194.02198.54189.74197.44197.443.36%1,117,866
Jan 12, 2026187.92191.62187.00191.03191.030.73%625,043
Jan 9, 2026182.18190.67182.18189.65189.655.14%806,478
Jan 8, 2026183.17183.55176.00180.38180.38-1.97%524,407
Jan 7, 2026182.77187.25181.00184.00184.00-1.74%646,373
Jan 6, 2026180.00188.07179.98187.26187.265.10%860,409
Jan 5, 2026171.00179.92170.50178.18178.187.42%1,167,300
Jan 2, 2026162.60168.79161.85165.87165.875.07%724,832
Dec 31, 2025160.23161.83156.99157.86157.86-1.34%319,516
Dec 30, 2025159.66162.87157.38160.01160.010.59%644,516
Dec 29, 2025159.20160.37157.19159.07159.07-0.92%378,236
Dec 26, 2025162.58162.58159.44160.55160.55-0.81%287,381
Dec 24, 2025161.30162.57160.06161.86161.860.45%140,900
Dec 23, 2025158.52162.39157.84161.13161.131.17%561,281
Dec 22, 2025161.82162.80157.00159.27159.271.86%530,532
Dec 19, 2025152.01158.21152.01156.36156.363.05%1,786,743
Dec 18, 2025153.46155.60149.64151.73151.732.84%668,857
Dec 17, 2025153.86155.50146.79147.54147.54-4.35%689,891
Dec 16, 2025156.51157.61153.33154.25154.25-1.13%472,205
Dec 15, 2025159.37161.20155.09156.02156.02-0.22%683,297
Dec 12, 2025158.58161.28152.44156.36156.36-2.50%948,472
Dec 11, 2025165.34165.50158.20160.37160.37-4.75%1,207,717
Dec 10, 2025162.85171.32162.49168.37168.373.54%1,098,135
Dec 9, 2025158.16164.31156.89162.61162.611.31%1,137,408
Dec 8, 2025158.71161.07157.06160.51160.511.98%484,064
Dec 5, 2025161.27161.27156.28157.40157.40-1.29%649,733
Dec 4, 2025156.29160.54155.29159.45159.450.84%517,125
Dec 3, 2025154.64161.49152.20158.12158.122.67%1,290,027