Onto Innovation
ONTO · NYSE
$219.62−$6.66 (−2.94%)TodayMarket closed ·
Prev close $226.28
Who owns ONTO
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 34.5% of ONTO’s shares.
- BlackRock Institutional Trust Company, N.A.9.1%
- Vanguard Portfolio Management, LLC5.5%
- Vanguard Capital Management, LLC4.5%
- State Street Investment Management (US)3.1%
- Next 6 largest institutions12.2%
- All other shareholders65.5%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 4.55M | 9.14% |
| Vanguard Portfolio Management, LLC | 2.73M | 5.48% |
| Vanguard Capital Management, LLC | 2.25M | 4.52% |
| State Street Investment Management (US) | 1.55M | 3.13% |
| Geode Capital Management, L.L.C. | 1.43M | 2.88% |
| Paradigm Capital Management, Inc. | 1.10M | 2.21% |
| Invesco Advisers, Inc. | 996.85K | 2.00% |
| Point72 Asset Management, L.P. | 972.16K | 1.95% |
| T. Rowe Price Associates, Inc. | 801.86K | 1.61% |
| Voya Investment Management LLC | 753.77K | 1.52% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Mid-Cap ETF | 1.74M | 3.50% |
| Vanguard Total Stock Market Index Fund | 1.59M | 3.19% |
| Vanguard Small-Cap Index Fund | 1.14M | 2.30% |
| Vanguard Small-Cap Growth Index Fund | 660.73K | 1.33% |
| Statens Pensjonsfond Utland | 642.33K | 1.29% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $902.30K (2 trades) of ONTO on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| MILLER DAVID BRIAN | Sale | 2.00K | $600.00K |
| Chen Shirley | Tax withholding | 1.52K | $385.90K |
| ROBERTS BRIAN K | Tax withholding | 3.24K | $824.49K |
| ROBERTS BRIAN K | Tax withholding | 3.24K | $824.49K |
| Lynch Susan D | Sale | 1.00K | $302.30K |
| Su May | Award | 761 | — |
| Lynch Susan D | Award | 761 | — |
| Kelley Stephen Douglas | Award | 761 | — |
| SCHWARTZ STEPHEN S | Award | 761 | — |
| MILLER DAVID BRIAN | Award | 761 | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 2.97M
- Days to cover
- 3.99
- % of shares outstanding
- 5.96%
- Average daily volume
- 743.95K
- Change since last report
- +8.2%
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