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

Insider buying vs selling

Have Onto Innovation Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Ramil YaldaeiChief Operating Officer2026-05-15218$271.77
$59.25kSell
Yoon Ah OhSVP Gen Counsel Corp Sec2026-05-15530$271.77
$144.04kSell
Ramil YaldaeiChief Operating Officer2026-05-15625$271.77
$169.86kSell
Michael P. PlisinskiChief Executive Officer2026-03-033,742$207.50
$776.47kSell
Ramil YaldaeiChief Operating Officer2026-03-03615$207.50
$127.61kSell
Yoon Ah OhSVP Gen Counsel Corp Sec2026-03-03417$207.50
$86.53kSell
Ido DolevEVP Prod Solutions Grp2026-03-03819$207.50
$169.94kSell
Yoon Ah OhSVP Gen Counsel Corp Sec2026-03-01307$215.89
$66.28kSell
Ramil YaldaeiChief Operating Officer2026-03-01347$215.89
$74.91kSell
Ramil YaldaeiChief Operating Officer2026-03-01276$215.89
$59.59kSell

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. Coates19.75%9,690,760$3.21BInsider
Stella N. Coates7.14%3,501,511$1.16BInsider
Norman V. Coates1.92%940,393$311.94MInsider
Bruce C. Rhine1.86%911,220$302.26MInsider
Tt International Asset Management Ltd0.53%262,038$86.92MInstitution
Timothy J. Stultz0.43%209,143$69.37MInsider
Michael P. Plisinski0.37%179,242$59.46MInsider
Assenagon Asset Management Sa0.29%143,746$47.68MInstitution
Fort Washington Investment Advisors Inc0.26%127,290$42.22MInstitution
Pierreyves Lesaicherre0.22%108,564$36.01MInsider

1 of 3

ONTO vs Semiconductor Equipment Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ONTO0.10%33.94%Net Selling
AMKR0.01%99.99%Net SellingNet Buying
NVMI0.07%7.29%Net SellingNet Selling
ENTG0.11%24.49%Net SellingNet Selling
CAMT0.04%0.12%Net SellingNet Selling

Onto Innovation Stock Ownership FAQ

Who owns Onto Innovation?

Onto Innovation (NYSE: ONTO) is owned by 0.10% institutional shareholders, 33.94% Onto Innovation insiders, and 65.97% retail investors. Vincent J. Coates is the largest individual Onto Innovation shareholder, owning 9.69M shares representing 19.75% of the company. Vincent J. Coates's Onto Innovation shares are currently valued at $3.21B.

If you're new to stock investing, here's how to buy Onto Innovation stock.
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.