| Investor | Value | Of portfolio | Shares | Change | Quarter |
|---|---|---|---|---|---|
| Glenview Capital · Larry Robbins | $77.9M | 1.42% | 205.79K | −31% | Q2 2026 |
| Bridgewater Associates · Ray Dalio | $37.5M | 0.15% | 99.02K | −72% | Q2 2026 |
| Maverick Capital · Lee Ainslie | $785.3K | 0.01% | 2.08K | New | Q2 2026 |
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
| Member | Buys | Sells | Est. net | Last move |
|---|---|---|---|---|
| Rob Bresnahan PA08 | 2 | −$16.0K | Sold May 12, 25 |
| Traded | Member | Owner | Type | Amount | Filed | Report |
|---|---|---|---|---|---|---|
| May 12, 25 | Rob Bresnahan PA08 | Self | Sell | $1,001 - $15,000 | Jun 9, 25 (28d) | |
| May 9, 25 | Rob Bresnahan PA08 | Self | Sell (part) | $1,001 - $15,000 | Jun 9, 25 (31d) |
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Sep 28, 2026 | Miller David BDirector | Sale at price 300.00 per share. | 2K | $600.00K |
| Aug 20, 2026 | Lynch Susan D.Director | Sale at price 302.30 per share. | 1K | $302.30K |
| May 19, 2026 | Kelley Stephen DouglasDirector | Stock Award(Grant) at price 0.00 per share. | 761 | — |
| May 19, 2026 | Lynch Susan D.Director | Stock Award(Grant) at price 0.00 per share. | 761 | — |
| May 19, 2026 | Su MayDirector | Stock Award(Grant) at price 0.00 per share. | 761 | — |
| May 19, 2026 | Schwartz Stephen SDirector | Stock Award(Grant) at price 0.00 per share. | 761 | — |
| May 19, 2026 | Miller David BDirector | Stock Award(Grant) at price 0.00 per share. | 761 | — |
| May 19, 2026 | Seams Christopher ADirector | Stock Award(Grant) at price 0.00 per share. | 761 | — |
| Mar 1, 2026 | Oh Yoon AhGeneral Counsel | Stock Award(Grant) at price 0.00 per share. | 2.4K | — |
| Mar 1, 2026 | Roberts Brian KChief Financial Officer | Stock Award(Grant) at price 0.00 per share. | 3.1K | — |
| Mar 1, 2026 | Plisinski Michael PChief Executive Officer | Stock Award(Grant) at price 0.00 per share. | 14.5K | — |
| Mar 1, 2026 | Yaldaei RamilChief Operating Officer | Stock Award(Grant) at price 0.00 per share. | 7.7K | — |
| Mar 1, 2026 | Dolev IdoOfficer | Stock Award(Grant) at price 0.00 per share. | 3.4K | — |
| Mar 1, 2026 | Chen ShirleyOfficer | Stock Award(Grant) at price 0.00 per share. | 2.5K | — |
| Feb 26, 2026 | Oh Yoon AhGeneral Counsel | — | 724 | — |
| Feb 26, 2026 | Plisinski Michael PChief Executive Officer | — | 4.6K | — |
| Feb 26, 2026 | Yaldaei RamilChief Operating Officer | — | 649 | — |
| Feb 12, 2026 | Oh Yoon AhGeneral Counsel | — | 3.1K | — |
| Feb 12, 2026 | Plisinski Michael PChief Executive Officer | — | 18.4K | — |
| Dec 23, 2025 | Plisinski Michael PChief Executive Officer | Stock Gift at price 0.00 per share. | 25K | — |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 28.0 | 6.8 | -5.0 | 43.9 | -12.5 | 46.5 | -31.7 | 3.3 | 15.2 | -11.1 | +73.4% | ||
| 2025 | 22.9 | -28.9 | -16.7 | 0.5 | -24.6 | 9.8 | -6.1 | 11.9 | 21.9 | 4.4 | 6.1 | 10.3 | −5.3% |
| 2024 | 5.6 | 14.0 | -1.7 | 2.4 | 16.8 | 1.3 | -12.9 | 11.5 | -2.7 | -4.4 | -17.2 | 1.5 | +9.0% |
| 2023 | 15.5 | 4.9 | 6.6 | -7.9 | 32.6 | 8.5 | 6.7 | 11.8 | -8.2 | -11.9 | 25.5 | 8.4 | +124.6% |
| 2022 | -9.6 | -5.8 | 0.8 | -18.1 | 13.0 | -13.2 | 19.4 | -14.7 | -9.8 | 4.4 | 19.6 | -14.8 | −32.7% |
| 2021 | 13.7 | 15.6 | 5.2 | 4.3 | 4.7 | 1.8 | -4.1 | 5.8 | -2.5 | 9.6 | 18.9 | 7.5 | +112.9% |
| 2020 | 3.8 | -19.4 | -2.9 | 9.4 | -4.3 | 9.5 | 11.1 | -17.4 | -4.7 | 7.7 | 37.9 | 7.6 | +30.1% |
| 2019 | 4.2 | 8.9 | +13.5% |
Onto Innovation Inc. engages in the design, development, manufacture, and support of process control tools that perform macro-defect inspection and metrology in the United States, Taiwan, South Korea, Japan, China, Southeast Asia, Asia, and Europe. The company offers lithography systems and process control analytical software; and automated and integrated metrology systems, silicon wafer all-surface inspection, macro defect inspection, automated defect classification and pattern analysis, yield analysis, opaque film metrology, 4D business, advanced packaging lithography, process control software, and yield management software products. It also provides process and yield management solutions, and device packaging and test facilities through standalone systems for optical metrology, macro-defect inspection, packaging lithography, and transparent and opaque thin film measurements. In addition, the company offers process control software portfolio that includes solutions for standalone tools, groups of tools, and factory-wide suites. Further, it engages in systems and software, spare parts, and other services, as well as offers software licensing services; and provides advanced product lines, such as FAaST, CnCV, and MBIR. The company's products are used in semiconductor and advanced packaging device manufacturers; silicon wafers; semiconductor integrated circuit fabricators; light emitting diodes; vertical-cavity surface-emitting lasers; micro-electromechanical systems; CMOS image sensors; silicon and compound semiconductor power devices; analog devices; RF filters; data storage; and various industrial and scientific applications. Onto Innovation Inc. was founded in 1940 and is headquartered in Wilmington, Massachusetts.
Buy / hold / sell counts