Onto Innovation Inc.
ONTO- Exchange
- NYSE
- Industry
- Measuring & Controlling Devices, NEC
- SEC CIK
- 0000704532
In the last 90 days, Onto Innovation Inc. insiders filed 0 open-market purchases and 1 sale; 691 institutions reported holding it in 13F filings for Q2 2026, worth $18.3B in total; Maverick Capital is the only superinvestor holding it.
Holders of 5% or more of ONTO
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Onto Innovation Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 11.30%5.59M shares | – | Apr 29, 20251 filing | Apr 29, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
1 Schedule 13D or 13G filing on Onto Innovation Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 29, 20259:49 AM ET | BlackRock, Inc. | 13G/A | 11.30%5.59M shares | – | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Onto Innovation Inc. shares.
No Form 144 notices for Onto Innovation Inc. are on file.