Onto Innovation
Supplies metrology, inspection, lithography, and analytics systems across semiconductor manufacturing.
$272.00
After-hours close+1.31 (+0.48%)
At close$270.69(−7.49%)
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Breakdown13F · Form 4
Institutions 142.60%Insiders 0.78%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 49.74M · Float 49.39M · 99.3% free float
Institutions13F, as of Jun 30, 2026
711 holders · 70.93M shares · 172 new positions · 373 increased · 241 reduced · 60 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 5.51M | 11.07% | −29.1K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 2.73M | 5.48% | −15.1K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 2.25M | 4.52% | +24.9K | Aug 13, 2026 |
| State Street Corp | 1.55M | 3.13% | +55.1K | Aug 7, 2026 |
| Geode Capital Management, LLC | 1.43M | 2.88% | +222.7K | Aug 12, 2026 |
| Invesco Ltd. | 1.35M | 2.72% | +719.1K | Aug 14, 2026 |
| Paradigm Capital Management Inc/NY | 1.10M | 2.21% | −1.0K | Aug 13, 2026 |
| Point72 Asset Management, L.P. | 972.2K | 1.95% | −231.5K | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 10.30% | 5.04M | 13G | Oct 17, 2025 ↗ |
| Vanguard Portfolio Management | 5.53% | 2.75M | 13G | Apr 29, 2026 ↗ |
| Vanguard Capital Management | 5.23% | 2.60M | 13G | Apr 29, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Michael P. Plisinski | director, officer: Chief Executive Officer | 179.2K | 0.36% | Mar 4, 2026 |
| Christopher A. Seams | director | 38.5K | 0.08% | May 22, 2026 |
| Ido Dolev | officer: EVP, Prod Solutions Grp | 26.5K | 0.05% | Mar 4, 2026 |
| Brian K. Roberts | officer: Chief Financial Officer | 24.3K | 0.05% | Mar 4, 2026 |
| Yoon Ah OH | officer: SVP, Gen Counsel & Corp Sec | 21.1K | 0.04% | May 18, 2026 |
| Srinivas Vedula | officer: SVP, Customer Success | 18.7K | 0.04% | Mar 5, 2025 |
| Ramil Yaldaei | officer: Chief Operating Officer | 17.6K | 0.04% | May 18, 2026 |
| Shirley Chen | officer: SVP Customer Success | 15.5K | 0.03% | Mar 4, 2026 |
| Mark Slicer | officer: Chief Financial Officer | 13.6K | 0.03% | May 19, 2025 |
| David Brian Miller | director | 12.7K | 0.03% | May 22, 2026 |
14 ten-percent owners hold 3.77M shares by Form 4, outside the officers-and-directors figure above · 31 people have not refiled in the last 18 months (956.4K shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 21, 2026 | Susan D. Lynchdirector | Sale | 1,000 | $302.30 | 2,684 |
CongressHouse and Senate disclosures
Not reported.