Onto Innovation Inc. (ONTO) Insider Trading

Over the last 6 months, 400 institutions increased and 351 reduced their position (13F).

Insider Activity

Sentiment
50/100
Buys (3m)
0
Sells (3m)
0
Net (3m)
$0
Insider trades by month Buys Sells
Mar
Jun
Sep
Nov
Jan
Feb
Context3-month price +40.9%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
May 22, 2026SEAMS CHRISTOPHER AdirectorGrant761
May 22, 2026MILLER DAVID BRIANdirectorGrant761
May 22, 2026Kelley Stephen DouglasdirectorGrant761
May 22, 2026SCHWARTZ STEPHEN SdirectorGrant761
May 22, 2026Lynch Susan DdirectorGrant761
May 22, 2026Su MaydirectorGrant761
May 18, 2026YALDAEI RAMILofficer: Chief Operating OfficerTax218$271.77
May 18, 2026YALDAEI RAMILofficer: Chief Operating OfficerTax625$271.77
May 18, 2026OH Yoon Ahofficer: SVP, Gen Counsel & Corp SecTax530$271.77
Mar 4, 2026Plisinski Michael Pdirector, officer: Chief Executive OfficerGrant14,479
Mar 4, 2026Dolev Idoofficer: EVP, Prod Solutions GrpTax819$207.50
Mar 4, 2026YALDAEI RAMILofficer: Chief Operating OfficerGrant1,548
Mar 4, 2026Chen Shirleyofficer: SVP Customer SuccessGrant2,523
Mar 4, 2026Chen Shirleyofficer: SVP Customer SuccessGrant1,261
Mar 4, 2026Dolev Idoofficer: EVP, Prod Solutions GrpGrant3,440
Mar 4, 2026ROBERTS BRIAN Kofficer: Chief Financial OfficerGrant1,548
Mar 4, 2026OH Yoon Ahofficer: SVP, Gen Counsel & Corp SecTax417$207.50
Mar 4, 2026OH Yoon Ahofficer: SVP, Gen Counsel & Corp SecGrant2,408
Mar 4, 2026OH Yoon Ahofficer: SVP, Gen Counsel & Corp SecGrant1,204
Mar 4, 2026Dolev Idoofficer: EVP, Prod Solutions GrpGrant1,720
Mar 4, 2026YALDAEI RAMILofficer: Chief Operating OfficerGrant7,683
Mar 4, 2026ROBERTS BRIAN Kofficer: Chief Financial OfficerGrant3,096
Mar 4, 2026Plisinski Michael Pdirector, officer: Chief Executive OfficerGrant7,239
Mar 4, 2026YALDAEI RAMILofficer: Chief Operating OfficerTax615$207.50
Mar 4, 2026Plisinski Michael Pdirector, officer: Chief Executive OfficerTax3,742$207.50
Feb 18, 2026OH Yoon Ahofficer: SVP, Gen Counsel & Corp SecOption1,977
Feb 18, 2026Plisinski Michael Pdirector, officer: Chief Executive OfficerTax3,632$217.23
Feb 18, 2026OH Yoon Ahofficer: SVP, Gen Counsel & Corp SecTax501$217.23
Feb 18, 2026OH Yoon Ahofficer: SVP, Gen Counsel & Corp SecOption3,084
Feb 18, 2026OH Yoon Ahofficer: SVP, Gen Counsel & Corp SecTax1,094$217.23

Source: ONTO SEC Form 4 filings, latest May 22, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their ONTO positions over the last 6 months (SEC Form 13F).

Increased
400
New positions
211
Reduced
351
Sold out
119
Largest moves
InstitutionActionSharesFiled
VANGUARD GROUP INCReduced5.6MJan 29, 2026
BLACKROCK, INC.Increased5.5MMay 13, 2026
BLACKROCK, INC.Reduced4.9MFeb 12, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position2.7MMay 8, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position2.2MMay 15, 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCReduced1.7MFeb 9, 2026
STATE STREET CORPIncreased1.5MMay 15, 2026
STATE STREET CORPReduced1.5MFeb 13, 2026
FRANKLIN RESOURCES INCIncreased1.4MFeb 11, 2026
WELLINGTON MANAGEMENT GROUP LLPReduced1.2MFeb 17, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased1.2MMay 15, 2026
POINT72 ASSET MANAGEMENT, L.P.Increased1.2MMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased1.1MFeb 9, 2026
PARADIGM CAPITAL MANAGEMENT INC/NYIncreased1.1MFeb 12, 2026
PARADIGM CAPITAL MANAGEMENT INC/NYReduced1.1MMay 14, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.