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ONTO Insider Trading

Insider Ownership Percentage: 0.72%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $0.00

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: $198.56
Price Change: ▲ Price Increase of +9.293 (4.91%)
As of 03/31/2026 12:22 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
3/20/2026Hsbc Holdings PLC11,464$1.82M0.0%-67.9%0.023%Search for SEC Filing on Google Icon
3/17/2026Rockefeller Capital Management L.P.108,202$17.08M0.0%-24.3%0.218%Search for SEC Filing on Google Icon
3/11/2026DUTCH ASSET Corp7,330$1.16M0.9%N/A0.015%Search for SEC Filing on Google Icon
3/9/2026Corient Private Wealth LLC10,676$1.69M0.0%+450.0%0.021%Search for SEC Filing on Google Icon
3/6/2026Hsbc Holdings PLC11,464$1.82M0.0%-67.9%0.023%Search for SEC Filing on Google Icon
2/25/2026MidFirst Bank844$0.13M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/24/2026Pacer Advisors Inc.335,018$52.89M0.1%+3,305.0%0.684%Search for SEC Filing on Google Icon
2/19/2026T. Rowe Price Investment Management Inc.330,415$52.16M0.0%N/A0.674%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.126,941$20.04M0.0%+18.0%0.259%Search for SEC Filing on Google Icon
2/19/2026Corient Private Wealth LLC2,820$0.45M0.0%+45.3%0.006%Search for SEC Filing on Google Icon
2/19/2026Alberta Investment Management Corp9,800$1.55M0.0%N/A0.020%Search for SEC Filing on Google Icon
2/18/2026Mercer Global Advisors Inc. ADV12,183$1.92M0.0%+84.0%0.025%Search for SEC Filing on Google Icon
2/18/2026Vident Advisory LLC37,074$5.85M0.1%+22.0%0.076%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury17,575$2.77M0.0%+76.0%0.036%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp12,001$1.92M0.0%-1.3%0.024%Search for SEC Filing on Google Icon
2/18/2026NewEdge Advisors LLC4,764$0.75M0.0%-29.1%0.010%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd1,712$0.27M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP1,218,548$192.36M0.1%-12.9%2.486%Search for SEC Filing on Google Icon
2/18/2026SummitTX Capital L.P.96,633$15.25M0.5%N/A0.197%Search for SEC Filing on Google Icon
2/18/2026Tudor Investment Corp ET AL45,826$7.23M0.0%-4,266.0%0.094%Search for SEC Filing on Google Icon
2/18/2026Polymer Capital Management US LLC26,212$4.14M0.4%-32.1%0.053%Search for SEC Filing on Google Icon
2/18/2026Palisade Capital Management LP161,503$25.50M0.8%+37.4%0.330%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC495,000$78.14M0.0%-17.5%1.010%Search for SEC Filing on Google Icon
2/18/2026Man Group plc24,173$3.82M0.0%+23.1%0.049%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC94,871$14.98M0.0%+340.3%0.194%Search for SEC Filing on Google Icon
2/18/2026Gotham Asset Management LLC200,494$31.65M0.1%-0.5%0.409%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP2,268$0.36M0.0%-97.0%0.005%Search for SEC Filing on Google Icon
2/18/2026First Manhattan CO. LLC.23,018$3.63M0.0%-3.5%0.047%Search for SEC Filing on Google Icon
2/18/2026Cinctive Capital Management LP15,292$2.41M0.1%-56.6%0.031%Search for SEC Filing on Google Icon
2/18/2026Balyasny Asset Management L.P.218,637$34.51M0.0%N/A0.446%Search for SEC Filing on Google Icon
2/18/2026Banco Bilbao Vizcaya Argentaria S.A.2,683$0.42M0.0%-14.0%0.005%Search for SEC Filing on Google Icon
2/18/2026Boothbay Fund Management LLC2,217$0.35M0.0%-98.0%0.005%Search for SEC Filing on Google Icon
2/18/2026Alta Park Capital LP122,617$19.36M2.3%-2.8%0.250%Search for SEC Filing on Google Icon
2/18/20264D Advisors LLC30,000$4.74M2.6%-57.1%0.061%Search for SEC Filing on Google Icon
2/17/2026Guggenheim Capital LLC7,408$1.17M0.0%+12.3%0.015%Search for SEC Filing on Google Icon
2/17/2026Caisse de depot et placement du Quebec3,805$0.60M0.0%N/A0.008%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC5,360$0.85M0.0%-87.6%0.011%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC615,651$97.19M0.1%+315.8%1.256%Search for SEC Filing on Google Icon
2/17/2026EFG International AG30,448$4.81M0.1%N/A0.062%Search for SEC Filing on Google Icon
2/17/2026Ardmore Road Asset Management LP78,101$12.33M0.9%N/A0.159%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers11,473$1.81M0.0%-14.7%0.023%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC41,567$6.56M0.0%-64.5%0.085%Search for SEC Filing on Google Icon
2/17/2026Defiance ETFs LLC237,212$37.96M1.2%N/A0.484%Search for SEC Filing on Google Icon
2/17/2026DF Dent & Co. Inc.121,545$19.19M0.3%+51.1%0.248%Search for SEC Filing on Google Icon
2/17/2026Jain Global LLC126,840$20.02M0.1%-16.9%0.259%Search for SEC Filing on Google Icon
2/17/2026Sender Co & Partners Inc.4,311$0.68M0.3%-52.5%0.009%Search for SEC Filing on Google Icon
2/17/2026Laird Norton Wetherby Trust Company LLC2,388$0.38M0.0%N/A0.005%Search for SEC Filing on Google Icon
2/17/2026Amundi139,940$22.09M0.0%+27.2%0.286%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD680,266$107.39M0.0%-12.3%1.388%Search for SEC Filing on Google Icon
2/17/2026T. Rowe Price Investment Management Inc.31,857$5.03M0.0%N/A0.065%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.5,362$0.85M0.0%+117.0%0.011%Search for SEC Filing on Google Icon
2/17/2026Advisory Services Network LLC10,351$1.63M0.0%+3.4%0.021%Search for SEC Filing on Google Icon
2/17/2026Public Employees Retirement System of Ohio14,937$2.36M0.0%-3.5%0.030%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System46,504$7.34M0.0%-2.1%0.095%Search for SEC Filing on Google Icon
2/17/2026Benchstone Capital Management LP148,963$23.52M2.5%N/A0.304%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.59,251$9.35M0.0%+476.7%0.121%Search for SEC Filing on Google Icon
2/17/2026Atom Investors LP28,349$4.48M0.4%-19.5%0.058%Search for SEC Filing on Google Icon
2/17/2026Guardian Point Capital LP160,000$25.26M7.8%N/A0.326%Search for SEC Filing on Google Icon
2/17/2026Granahan Investment Management LLC196,642$31.04M1.3%+165.3%0.401%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board66,916$10.56M0.0%+9.3%0.137%Search for SEC Filing on Google Icon
2/17/2026Captrust Financial Advisors8,298$1.31M0.0%+146.1%0.017%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP63,362$10M0.1%-37.6%0.129%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada249,410$39.37M0.0%-56.0%0.509%Search for SEC Filing on Google Icon
2/17/2026Monolith Management Ltd2,200$0.35M0.1%-97.6%0.004%Search for SEC Filing on Google Icon
2/17/2026Alberta Investment Management Corp9,800$1.55M0.0%N/A0.020%Search for SEC Filing on Google Icon
2/16/2026Vanguard Personalized Indexing Management LLC5,310$0.84M0.0%+6.8%0.011%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC22,449$3.54M0.0%+215.0%0.046%Search for SEC Filing on Google Icon
2/16/2026MML Investors Services LLC4,765$0.75M0.0%+41.6%0.010%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC21,981$3.47M0.0%+1,310.8%0.045%Search for SEC Filing on Google Icon
2/16/2026Nicolet Advisory Services LLC2,213$0.35M0.0%-28.4%0.005%Search for SEC Filing on Google Icon
2/16/2026Nicholas Investment Partners LP24,095$3.80M0.3%N/A0.049%Search for SEC Filing on Google Icon
2/16/2026General American Investors Co. Inc.80,000$12.63M0.7%N/A0.163%Search for SEC Filing on Google Icon
2/16/2026Kennedy Capital Management LLC184,005$29.05M0.6%+237.7%0.375%Search for SEC Filing on Google Icon
2/16/2026Dockside LLC12,933$2.04M0.5%N/A0.026%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC51,548$8.14M0.0%-44.6%0.105%Search for SEC Filing on Google Icon
2/16/2026Bridge City Capital LLC42,405$6.69M2.0%-10.4%0.087%Search for SEC Filing on Google Icon
2/13/2026Kestra Advisory Services LLC1,304$0.21M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/13/2026Transamerica Financial Advisors LLC176$28K0.0%+188.5%0.000%Search for SEC Filing on Google Icon
2/13/2026Liberty One Investment Management LLC6,116$0.97M0.1%-43.8%0.012%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP429,693$67.83M0.1%+132.5%0.877%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 269,225$42.50M0.0%-24.3%0.549%Search for SEC Filing on Google Icon
2/13/2026Johnson Investment Counsel Inc.1,590$0.25M0.0%-5.9%0.003%Search for SEC Filing on Google Icon
2/13/2026Segall Bryant & Hamill LLC399,205$63.02M0.9%+30.8%0.815%Search for SEC Filing on Google Icon
2/13/2026Bridgewater Associates LP93,136$14.70M0.1%+45.5%0.190%Search for SEC Filing on Google Icon
2/13/2026UMB Bank n.a.713$0.11M0.0%+48.5%0.001%Search for SEC Filing on Google Icon
2/13/2026Stifel Financial Corp35,115$5.54M0.0%+18.3%0.072%Search for SEC Filing on Google Icon
2/13/2026PCM Encore LLC2,646$0.42M0.1%N/A0.005%Search for SEC Filing on Google Icon
2/13/2026Smartleaf Asset Management LLC1,165$0.19M0.0%+8.6%0.002%Search for SEC Filing on Google Icon
2/13/2026Bridgefront Capital LLC3,268$0.52M0.1%N/A0.007%Search for SEC Filing on Google Icon
2/13/2026Morgan Stanley467,189$73.75M0.0%-40.9%0.953%Search for SEC Filing on Google Icon
2/13/2026Jacobs Levy Equity Management Inc.20,205$3.19M0.0%N/A0.041%Search for SEC Filing on Google Icon
2/13/2026Sirios Capital Management L P115,355$18.21M2.3%-29.3%0.235%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP174,931$27.62M0.0%-15.4%0.357%Search for SEC Filing on Google Icon
2/13/2026Channing Capital Management LLC518,882$81.91M2.1%+299.1%1.059%Search for SEC Filing on Google Icon
2/13/2026Integrated Wealth Concepts LLC27,414$4.33M0.1%+1,364.4%0.056%Search for SEC Filing on Google Icon
2/13/2026SG Capital Management LLC116,149$18.34M1.8%-57.1%0.237%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.504,307$79.61M0.0%+0.4%1.029%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey21,090$3.33M0.0%-3.5%0.043%Search for SEC Filing on Google Icon
2/13/2026Van ECK Associates Corp1,120$0.18M0.0%-28.1%0.002%Search for SEC Filing on Google Icon
2/13/2026State Street Corp1,459,278$230.36M0.0%-1.1%2.978%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: $198.56
Low: $193.60
High: $200.14

50 Day Range

MA: $207.59
Low: $179.70
High: $225.54

52 Week Range

Now: $198.56
Low: $85.88
High: $232.49

Volume

101,164 shs

Average Volume

905,256 shs

Market Capitalization

$9.87 billion

P/E Ratio

71.98

Dividend Yield

N/A

Beta

1.47

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

Onto Innovation's top insider investors include:
  1. Bruce Rhine (Director)
  2. Bruce C Rhine (Director)
  3. Timothy J Stultz (Director)
  4. Timothy J Stultz (CEO)
  5. Michael P Plisinski (CEO)
  6. Michael P Plisinski (CEO)
  7. Timothy Stultz (CEO)
  8. J Thomas Bentley (Director)
  9. Jeff Andreson (CFO)
  10. Kevin Heidrich (VP)
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. — 11.38%
  2. William Blair Investment Management LLC — 3.52%
  3. State Street Corp — 2.98%
  4. Franklin Resources Inc. — 2.76%
  5. Wellington Management Group LLP — 2.49%
  6. Geode Capital Management LLC — 2.30%
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. UBS Group AG
  2. Morgan Stanley
  3. Royal Bank of Canada
  4. TT International Asset Management LTD
  5. William Blair Investment Management LLC
  6. Geneva Capital Management LLC
  7. Assenagon Asset Management S.A.
  8. HRT Financial LP

Which major investors are buying Onto Innovation stock?

In the previous quarter, ONTO stock was bought by institutional investors including:
  1. Norges Bank
  2. Jennison Associates LLC
  3. AQR Capital Management LLC
  4. Thrivent Financial for Lutherans
  5. Channing Capital Management LLC
  6. Geode Capital Management LLC
  7. M&T Bank Corp
  8. T. Rowe Price Investment Management Inc.

Onto Innovation Active Insiders

Michael P. Plisinski
Michael P. Plisinski (Age 56)
CEO
Steven R. Roth
Steven R. Roth (Age 65)
CFO
Mark Slicer
Mark Slicer (Age 54)
CFO
Bruce C Rhine
Director
David Brian Miller
Director
Srinivas Vedula
SVP
Robert Fiordalice (Age 64)
SVP
Kevin Heidrich
Kevin Heidrich (Age 55)
VP
Robert Alan Koch
Robert Alan Koch
VP
Yoon Ah Oh
Yoon Ah Oh
VP