Onto Innovation Inc. (ONTO)
NYSE: ONTO · Measuring & Controlling Devices, NEC · Wilmington, MA · filing with the SEC since 1995
Grade5.5
◀ Past 5.9● Present 5.5▶ Future 5.0
Who owns Onto Innovation Inc.
As filed with the SECHolders of 5% or more
3
Blackrock, Inc. holds 10.3% of Common Stock, as its SCHEDULE 13G/A filed Oct 17, 2025 says.
Directors and officers
12
report now, of 40 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Oct 17, 2025 · Common Stock · 11.3% in Apr 29, 2025
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Vanguard Capital Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What ONTO reports owning in othersstakes of 5% or more, and other ties
18 subsidiaries in 13 countries, from the list filed with the 10-K filed Feb 24, 2026.
Insider tradesForm 4
2sales
0purchases
2sales on a scheduled plan
2people selling
$900,000sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 1, 2025 to Oct 1, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 1, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window2 of 49 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Miller David Brian | director | 1 | $600,000 | 1 | 0 | $0 |
| Lynch Susan D | director | 1 | $300,000 | 1 | 0 | $0 |