Onto Innovation Inc (ONTO)
Technology
Semiconductor Equipment & Materials
258.60 $
+3.2%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Onto Innovation Inc (ONTO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.3% of the shares are freely tradable; institutional investors hold 100.4%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
100.4%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
0.6%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
99.3%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
6.6%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
50Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 11.21 | 5,576,305 | -1.6 | 12/31/2025 |
| BlackRock Inc | 11.13 | 5,534,265 | +12.2 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.51 | 2,743,019 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.47 | 2,222,852 | +0.0 | 03/31/2026 |
| State Street Corp | 3.01 | 1,499,684 | +2.8 | 03/31/2026 |
| Geode Capital Management, LLC | 2.43 | 1,211,014 | +7.4 | 03/31/2026 |
| Point72 Asset Management, L.P. | 2.42 | 1,203,658 | +212.8 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.39 | 1,684,486 | +0.0 | 05/29/2026 |
| Vanguard Total Stock Mkt Idx Inv | 3.18 | 1,581,998 | +0.4 | 04/30/2026 |
| Vanguard Small Cap Index | 2.30 | 1,145,079 | -0.2 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.