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ONTO Insider Trading

Insider Ownership Percentage: 0.63%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $18,182,185.00

Onto Innovation Insider Trading History Chart

This chart shows the insider buying and selling history at Onto Innovation by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Onto Innovation Share Price & Price History

Current Price: $159.54
Price Change: ▲ Price Increase of +1.415 (0.89%)
As of 12/4/2025 04:59 PM ET

This chart shows the closing price history over time for ONTO up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Onto Innovation Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
1/21/2025Michael P PlisinskiCEOSell35,000$219.19$7,671,650.00150,492View SEC Filing Icon  
1/16/2025Michael P PlisinskiCEOSell30,000$211.24$6,337,200.00185,492View SEC Filing Icon  
1/15/2025Srinivas VedulaSVPSell827$205.00$169,535.0015,223View SEC Filing Icon  
1/14/2025Michael P PlisinskiCEOSell20,000$200.19$4,003,800.00215,492View SEC Filing Icon  
9/3/2024Srinivas VedulaSVPSell1,275$207.24$264,231.0016,050View SEC Filing Icon  
6/10/2024Srinivas VedulaSVPSell1,486$213.40$317,112.4017,433View SEC Filing Icon  
6/6/2024Mark SlicerCFOSell519$221.21$114,807.9912,552View SEC Filing Icon  
3/20/2024Michael P PlisinskiCEOSell40,000$175.48$7,019,200.00235,492View SEC Filing Icon  
3/18/2024Yoon Ah OhVPSell1,685$180.00$303,300.0014,913View SEC Filing Icon  
3/15/2024Yoon Ah OhVPSell2,685$173.96$467,082.6016,598View SEC Filing Icon  
2/13/2024David Brian MillerDirectorSell2,800$170.49$477,372.009,008View SEC Filing Icon  
9/15/2023Mark SlicerCFOSell3,005$125.14$376,045.7013,111View SEC Filing Icon  
9/15/2023Robert FiordaliceSVPSell7,049$125.19$882,464.316,477View SEC Filing Icon  
9/1/2023Srinivas VedulaSVPSell1,469$137.00$201,253.0017,976View SEC Filing Icon  
8/21/2023Michael P PlisinskiCEOSell31,000$112.85$3,498,350.00251,794View SEC Filing Icon  
6/15/2023Ju JinSVPSell3,231$105.17$339,804.2710,254View SEC Filing Icon  
6/5/2023Ju JinSVPSell1,232$107.72$132,711.0413,485View SEC Filing Icon  
5/26/2023Robert FiordaliceSVPSell846$109.40$92,552.4013,526View SEC Filing Icon  
5/23/2023David Brian MillerDirectorSell5,000$99.69$498,450.0011,808View SEC Filing Icon  
5/17/2023Robert FiordaliceSVPSell768$97.20$74,649.6015,152View SEC Filing Icon  
5/15/2023Robert FiordaliceSVPSell669$93.15$62,317.3515,920View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Onto Innovation (NYSE:ONTO)

98.35% of Onto Innovation stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at ONTO by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Onto Innovation Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
12/2/2025Swiss Life Asset Management Ltd2,295$0.30M0.0%N/A0.005%Search for SEC Filing on Google Icon
11/19/2025Danske Bank A S300$39K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/18/2025Silvant Capital Management LLC5,528$0.71M0.0%+13.6%0.011%Search for SEC Filing on Google Icon
11/18/2025Advisory Services Network LLC10,014$1.29M0.0%N/A0.020%Search for SEC Filing on Google Icon
11/17/2025NewEdge Advisors LLC6,717$0.87M0.0%+52.0%0.014%Search for SEC Filing on Google Icon
11/17/2025CANADA LIFE ASSURANCE Co27,577$3.60M0.0%-1.7%0.056%Search for SEC Filing on Google Icon
11/17/2025Sender Co & Partners Inc.9,068$1.17M0.1%N/A0.019%Search for SEC Filing on Google Icon
11/17/2025Voleon Capital Management LP8,617$1.11M0.0%N/A0.018%Search for SEC Filing on Google Icon
11/17/2025Wexford Capital LP16,943$2.19M0.3%N/A0.035%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC7,127$0.92M0.0%-62.7%0.015%Search for SEC Filing on Google Icon
11/17/2025Tidal Investments LLC125,731$16.25M0.0%+9.8%0.257%Search for SEC Filing on Google Icon
11/17/2025Scientech Research LLC2,855$0.37M0.1%-2.8%0.006%Search for SEC Filing on Google Icon
11/17/2025Shelton Capital Management1,752$0.23M0.0%N/A0.004%Search for SEC Filing on Google Icon
11/17/2025Polymer Capital Management HK LTD7,147$0.92M0.1%N/A0.015%Search for SEC Filing on Google Icon
11/17/2025Polymer Capital Management US LLC38,607$4.99M0.5%+1,412.8%0.079%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd125,681$16.24M0.0%-86.1%0.256%Search for SEC Filing on Google Icon
11/17/2025Prelude Capital Management LLC11,547$1.49M0.1%N/A0.024%Search for SEC Filing on Google Icon
11/17/2025Public Employees Retirement System of Ohio15,486$2M0.0%+0.9%0.032%Search for SEC Filing on Google Icon
11/17/2025Northern Trust Corp462,533$59.77M0.0%+8.4%0.944%Search for SEC Filing on Google Icon
11/17/2025Numerai GP LLC8,603$1.11M0.2%-83.6%0.018%Search for SEC Filing on Google Icon
11/17/2025Mercer Global Advisors Inc. ADV6,620$0.86M0.0%+29.6%0.014%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC599,737$77.50M0.0%-16.9%1.224%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.618$80K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Larson Financial Group LLC2,476$0.32M0.0%+2,376.0%0.005%Search for SEC Filing on Google Icon
11/17/2025Integrated Wealth Concepts LLC1,872$0.24M0.0%N/A0.004%Search for SEC Filing on Google Icon
11/17/2025Jain Global LLC152,617$19.72M0.1%+453.4%0.311%Search for SEC Filing on Google Icon
11/17/2025Junto Capital Management LP308,400$39.85M0.8%N/A0.629%Search for SEC Filing on Google Icon
11/17/2025Holocene Advisors LP17,492$2.26M0.0%-34.9%0.036%Search for SEC Filing on Google Icon
11/17/2025Gotham Asset Management LLC201,404$26.03M0.1%+334.5%0.411%Search for SEC Filing on Google Icon
11/17/2025Granahan Investment Management LLC74,122$9.58M0.4%+119.6%0.151%Search for SEC Filing on Google Icon
11/17/2025Fred Alger Management LLC7,490$0.97M0.0%N/A0.015%Search for SEC Filing on Google Icon
11/17/2025Divisar Capital Management LLC175,088$22.63M6.2%+53.5%0.357%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP26,593$3.44M0.0%N/A0.054%Search for SEC Filing on Google Icon
11/17/2025Cinctive Capital Management LP35,217$4.55M0.2%N/A0.072%Search for SEC Filing on Google Icon
11/17/2025California Public Employees Retirement System82,208$10.62M0.0%+1.0%0.168%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE135,995$17.57M0.0%-75.7%0.277%Search for SEC Filing on Google Icon
11/17/2025Bank of Nova Scotia12,496$1.62M0.0%-95.5%0.025%Search for SEC Filing on Google Icon
11/17/2025Aquatic Capital Management LLC33,528$4.33M0.1%-76.7%0.068%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.63,947$8.26M0.0%+0.4%0.130%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.107,603$13.90M0.0%+28.2%0.220%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC43,371$5.60M0.0%-40.0%0.088%Search for SEC Filing on Google Icon
11/14/2025Creative Planning26,895$3.48M0.0%+10.0%0.055%Search for SEC Filing on Google Icon
11/14/2025Lazard Asset Management LLC117,121$15.13M0.0%+24.7%0.239%Search for SEC Filing on Google Icon
11/14/2025Credit Agricole S A132,257$17.09M0.0%N/A0.270%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.316,116$40.85M0.0%+14.2%0.645%Search for SEC Filing on Google Icon
11/14/20254D Advisors LLC70,000$9.05M4.8%+133.3%0.143%Search for SEC Filing on Google Icon
11/14/2025Amundi110,025$14.22M0.0%-49.6%0.224%Search for SEC Filing on Google Icon
11/14/2025Man Group plc19,634$2.54M0.0%-88.3%0.040%Search for SEC Filing on Google Icon
11/14/2025Horizon Investments LLC5,511$0.71M0.0%+51.7%0.011%Search for SEC Filing on Google Icon
11/14/2025Zurcher Kantonalbank Zurich Cantonalbank 15,766$2.04M0.0%+6.7%0.032%Search for SEC Filing on Google Icon
11/14/2025DF Dent & Co. Inc.80,423$10.39M0.1%N/A0.164%Search for SEC Filing on Google Icon
11/14/2025Alta Park Capital LP126,112$16.30M1.4%N/A0.257%Search for SEC Filing on Google Icon
11/14/2025Brooklyn Investment Group3,814$0.49M0.0%+610.2%0.008%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC144,777$18.71M0.0%-33.5%0.295%Search for SEC Filing on Google Icon
11/14/2025Tower Research Capital LLC TRC 6,659$0.86M0.0%+61.0%0.014%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP399,246$51.59M0.1%-34.2%0.815%Search for SEC Filing on Google Icon
11/14/2025Vident Advisory LLC30,377$3.93M0.0%+652.3%0.062%Search for SEC Filing on Google Icon
11/14/2025Ossiam239,450$30.94M0.4%+1.7%0.489%Search for SEC Filing on Google Icon
11/14/2025Sirios Capital Management L P163,227$21.09M2.7%N/A0.333%Search for SEC Filing on Google Icon
11/14/2025iSAM Funds UK Ltd656$85K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/14/2025Wellington Management Group LLP1,398,995$180.78M0.0%+1,217.0%2.854%Search for SEC Filing on Google Icon
11/14/2025South Street Advisors LLC91,065$11.77M1.5%+5.3%0.186%Search for SEC Filing on Google Icon
11/14/2025Comerica Bank40,467$5.23M0.0%+20.2%0.083%Search for SEC Filing on Google Icon
11/14/2025Nicolet Advisory Services LLC3,091$0.42M0.0%+5.5%0.006%Search for SEC Filing on Google Icon
11/14/2025Portolan Capital Management LLC44,564$5.76M0.3%N/A0.091%Search for SEC Filing on Google Icon
11/14/2025EHP Funds Inc.1,934$0.25M0.2%N/A0.004%Search for SEC Filing on Google Icon
11/14/2025Glenmede Investment Management LP31,829$4.11M0.0%-50.7%0.065%Search for SEC Filing on Google Icon
11/13/2025Pathstone Holdings LLC25,829$3.34M0.0%+15.6%0.053%Search for SEC Filing on Google Icon
11/13/2025Marshall Wace LLP184,810$23.88M0.0%N/A0.377%Search for SEC Filing on Google Icon
11/13/2025Entropy Technologies LP1,775$0.23M0.0%-94.8%0.004%Search for SEC Filing on Google Icon
11/13/2025Kennedy Capital Management LLC54,484$7.04M0.2%+244.5%0.111%Search for SEC Filing on Google Icon
11/13/2025Arrowstreet Capital Limited Partnership41,649$5.38M0.0%N/A0.085%Search for SEC Filing on Google Icon
11/13/2025Invesco Ltd.107,621$13.91M0.0%-9.9%0.220%Search for SEC Filing on Google Icon
11/13/2025Pier Capital LLC72,969$9.43M1.5%-1.3%0.149%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.18,728$2.42M0.0%-25.0%0.038%Search for SEC Filing on Google Icon
11/13/2025BOKF NA2,525$0.33M0.0%-7.7%0.005%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG632,932$81.79M0.0%-35.7%1.291%Search for SEC Filing on Google Icon
11/13/2025Geneva Capital Management LLC1,084,447$140.13M2.4%+0.3%2.213%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets214,635$27.74M0.0%-62.1%0.438%Search for SEC Filing on Google Icon
11/13/2025Monolith Management Ltd93,005$12.02M5.3%N/A0.190%Search for SEC Filing on Google Icon
11/13/2025Mackenzie Financial Corp12,160$1.57M0.0%+20.1%0.025%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.1,114,501$144.02M0.0%+65.2%2.274%Search for SEC Filing on Google Icon
11/13/2025Magnetar Financial LLC6,552$0.85M0.0%-84.8%0.013%Search for SEC Filing on Google Icon
11/13/2025Quadrant Capital Group LLC3,017$0.39M0.0%+21.2%0.006%Search for SEC Filing on Google Icon
11/13/2025Van ECK Associates Corp1,557$0.20M0.0%+17.2%0.003%Search for SEC Filing on Google Icon
11/13/2025FourThought Financial Partners LLC2,708$0.35M0.0%N/A0.006%Search for SEC Filing on Google Icon
11/13/2025Legal & General Group Plc94,553$12.22M0.0%-7.8%0.193%Search for SEC Filing on Google Icon
11/13/2025Swiss National Bank94,841$12.26M0.0%+1.7%0.194%Search for SEC Filing on Google Icon
11/13/2025Pinpoint Asset Management Singapore Pte. Ltd.21,979$2.84M0.5%-23.8%0.045%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.10,274$1.33M0.0%+54.9%0.021%Search for SEC Filing on Google Icon
11/13/2025Dynamic Technology Lab Private Ltd2,690$0.35M0.1%N/A0.005%Search for SEC Filing on Google Icon
11/13/2025AI Squared Management Ltd60,300$7.79M8.1%N/A0.123%Search for SEC Filing on Google Icon
11/13/2025First Trust Advisors LP206,743$26.72M0.0%+90.5%0.422%Search for SEC Filing on Google Icon
11/13/2025Neo Ivy Capital Management6,308$0.82M0.2%N/A0.013%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC93,122$12.03M0.0%-86.7%0.190%Search for SEC Filing on Google Icon
11/12/2025Crossmark Global Holdings Inc.2,862$0.37M0.0%-17.1%0.006%Search for SEC Filing on Google Icon
11/12/2025Orion Porfolio Solutions LLC11,695$1.51M0.0%-6.6%0.024%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP698,610$90.28M0.0%-10.1%1.425%Search for SEC Filing on Google Icon
11/12/2025Cresset Asset Management LLC1,702$0.22M0.0%N/A0.003%Search for SEC Filing on Google Icon
11/12/2025Legato Capital Management LLC9,278$1.20M0.1%+120.3%0.019%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Onto Innovation logo
Onto Innovation Inc. engages in the design, development, manufacture, and support of process control tools that performs optical metrology. The company offers lithography systems and process control analytical software. It also offers process and yield management solutions, and device packaging and test facilities through standalone systems for optical metrology, macro-defect inspection, packaging lithography, and transparent and opaque thin film measurements. In addition, the company provides process control software portfolio that includes solutions for standalone tools, groups of tools, and enterprise-or factory-wide suites. Further, it engages in systems software, spare parts, and other services, as well as offers software licensing services. The company's products are used in semiconductor and advanced packaging device manufacturers; silicon wafer; light emitting diode; vertical-cavity surface-emitting laser; micro-electromechanical system; CMOS image sensor; power device; analog device; RF filter; data storage; and various industrial and scientific applications. Onto Innovation Inc. was founded in 1940 and is headquartered in Wilmington, Massachusetts.
Read More on Onto Innovation

Today's Range

Now: $159.54
Low: $155.29
High: $160.54

50 Day Range

MA: $135.32
Low: $121.30
High: $159.54

52 Week Range

Now: $159.54
Low: $85.88
High: $228.42

Volume

517,110 shs

Average Volume

858,511 shs

Market Capitalization

$7.82 billion

P/E Ratio

45.07

Dividend Yield

N/A

Beta

1.48

Who are the company insiders with the largest holdings of Onto Innovation?

Onto Innovation's top insider investors include:
  1. Michael P Plisinski (CEO)
  2. Srinivas Vedula (SVP)
  3. Yoon Ah Oh (VP)
  4. Mark Slicer (CFO)
  5. David Brian Miller (Director)
Learn More about top insider investors at Onto Innovation.

Who are the major institutional investors of Onto Innovation?

Onto Innovation's top institutional investors include:
  1. Vanguard Group Inc. — 11.57%
  2. William Blair Investment Management LLC — 4.04%
  3. Wellington Management Group LLP — 2.85%
  4. Franklin Resources Inc. — 2.27%
  5. Geneva Capital Management LLC — 2.21%
  6. Voya Investment Management LLC — 1.77%
Learn More about top institutional investors of Onto Innovation stock.

Which major investors are selling Onto Innovation stock?

In the previous quarter, ONTO stock was sold by these institutional investors:
  1. Qube Research & Technologies Ltd
  2. Barclays PLC
  3. Bank of America Corp DE
  4. BNP Paribas Financial Markets
  5. UBS Group AG
  6. Federated Hermes Inc.
  7. Bank of Nova Scotia
  8. Citigroup Inc.
In the last year, company insiders that have sold Onto Innovation company stock include:
  1. Michael P Plisinski (CEO)
  2. Srinivas Vedula (SVP)
Learn More investors selling Onto Innovation stock.

Which major investors are buying Onto Innovation stock?

During the previous quarter, ONTO stock was purchased by institutional investors including:
  1. Wellington Management Group LLP
  2. William Blair Investment Management LLC
  3. Voya Investment Management LLC
  4. Franklin Resources Inc.
  5. Junto Capital Management LP
  6. TT International Asset Management LTD
  7. Vanguard Group Inc.
  8. Assenagon Asset Management S.A.