ONTO INNOVATION INC. (ONTO) Stock
2 members of Congress disclosed 5 trades in ONTO since 2020: 0 purchases and 5 sales, most recently Rob Bresnahan (sale, May 12, 2025). 7 of the hedge funds AlphaScala tracks reported ONTO in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Point72's at $367.91M. Company insiders reported 0 open-market buys and 2 sales on SEC Form 4 in the 90 days to Oct 21, 2026.
Which members of Congress traded ONTO INNOVATION INC. (ONTO)?
Most recent: Rob Bresnahan (sale, May 12, 2025); records start Apr 21, 2020.
| Politician | Trade date | Type | Amount |
|---|---|---|---|
| Rob Bresnahan R-PA · House | 2025-05-12 | sale | $1k – $15k |
| Rob Bresnahan R-PA · House | 2025-05-09 | partial sale | $1k – $15k |
| Tom Malinowski D-NJ · House | 2020-05-01 | sale | $1k – $15k |
| Tom Malinowski D-NJ · House | 2020-04-30 | sale | $1k – $15k |
| Tom Malinowski D-NJ · House | 2020-04-21 | sale | $1k – $15k |
From STOCK Act periodic transaction reports. House filings as of Oct 20, 2026.
See all ONTO political trades →Which hedge funds own ONTO?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Point72 Steve Cohen | 972K | $367.91M | -19% |
| D.E. Shaw David Shaw | 372K | $140.69M | -49% |
| Citadel Ken Griffin | 342K | $129.50M | +15% |
| Marshall Wace | 241K | $91.39M | -50% |
| Millennium Management Israel Englander | 158K | $59.80M | +562% |
| Bridgewater Associates Ray Dalio | 99K | $37.47M | -72% |
| Maverick Capital Lee Ainslie | 2K | $785.3K | NEW |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are ONTO INNOVATION INC. insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 29, 26 | Miller David Brian | Director | SELL | 2.0K | $600K |
| Aug 21, 26 | Lynch Susan D | Director | SELL | 1.0K | $302K |
SEC Form 4 filings as of Oct 21, 2026
See cluster-buy signals across all tickers →ONTO price chart
Powered by TradingViewWhat does ONTO INNOVATION INC. do?
Onto Innovation Inc. is a leading company specializing in the development and provision of comprehensive metrology and inspection solutions for the semiconductor industry. Its primary function is to provide advanced analysis tools that ensure semiconductor manufacturers maintain high levels of quality and performance in their products. Onto Innovation's technology enables precise measurements and inspections, critical in the production of various electronic components including memory devices, logic chips, and power management systems. Notable for its cutting-edge technology, Onto Innovation’s systems are pivotal in the fabrication of nanoscale devices. The company serves a wide market including foundries, integrated device manufacturers (IDMs), and research institutions, impacting sectors such as consumer electronics, automotive, and telecommunications. With an ongoing evolution in electronics and the push for miniaturization, Onto Innovation plays a crucial role. In the financial market, Onto Innovation Inc. stands out as a key player in the semiconductor supply chain, known for its innovation and contributions to the emerging trends in semiconductor technology. Its market significance is underscored by its ability to adapt to the fast-paced advancements in the semiconductor industry, making it a critical enabler of future technological advancements.