WallStreetZenWallStreetZen

NYSE: ONTO
Onto Innovation Inc Stock Ownership - Who owns Onto Innovation?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Onto Innovation Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Ido DolevEVP Prod Solutions Grp2025-12-023,183$154.01
$490.21kSell
Ramil YaldaeiChief Operating Officer2025-10-03594$143.71
$85.36kSell
Mark SlicerChief Financial Officer2025-05-172,066$99.40
$205.36kSell
Ramil YaldaeiChief Operating Officer2025-05-15217$98.04
$21.27kSell
Ramil YaldaeiChief Operating Officer2025-05-15609$98.04
$59.71kSell
Yoon Ah OhSVP Gen Counsel Corp Sec2025-05-15603$98.04
$59.12kSell
Ramil YaldaeiChief Operating Officer2025-03-01305$145.66
$44.43kSell
Yoon Ah OhSVP Gen Counsel Corp Sec2025-03-01304$145.66
$44.28kSell
Michael P. PlisinskiCEO2025-03-011,925$145.66
$280.40kSell
Mark SlicerChief Financial Officer2025-03-01336$145.66
$48.94kSell

1 of 2

ONTO insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when ONTO insiders and whales buy or sell their stock.

ONTO Shareholders

What type of owners hold Onto Innovation Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vincent J. Coates19.77%9,690,760$2.11BInsider
Vanguard Group Inc11.38%5,576,305$1.21BInstitution
Blackrock Inc10.06%4,931,826$1.07BInstitution
Stella N. Coates7.14%3,501,511$760.63MInsider
William Blair Investment Management LLC3.52%1,726,587$375.07MInstitution
State Street Corp2.98%1,459,278$317.00MInstitution
Franklin Resources Inc2.76%1,353,001$293.91MInstitution
Geode Capital Management LLC2.30%1,127,532$244.93MInstitution
Paradigm Capital Management Inc2.30%1,125,838$244.57MInstitution
Voya Investment Management LLC1.98%971,242$210.98MInstitution

1 of 3

ONTO vs Semiconductor Equipment Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ONTO68.55%31.45%Net SellingNet Selling
AMKR5.50%94.50%Net SellingNet Selling
NVMI51.15%7.11%
CAMT38.99%0.00%
IPGP24.83%75.17%Net SellingNet Selling
View Top Semiconductor Equipment Stocks

Onto Innovation Stock Ownership FAQ

Who owns Onto Innovation?

Onto Innovation (NYSE: ONTO) is owned by 73.89% institutional shareholders, 33.90% Onto Innovation insiders, and 0.00% retail investors. Vincent J. Coates is the largest individual Onto Innovation shareholder, owning 9.69M shares representing 19.77% of the company. Vincent J. Coates's Onto Innovation shares are currently valued at $2.13B.

If you're new to stock investing, here's how to buy Onto Innovation stock.
©2026 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.