| Investor | Value | Of portfolio | Shares | Change | Quarter |
|---|---|---|---|---|---|
| Bridgewater Associates · Ray Dalio | $307.6K | 0.00% | 9.46K | 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
No member of Congress has disclosed a PLAB trade since 2025.
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 24, 2026 | Park Han KyungOfficer | Sale at price 30.37 per share. | 9.5K | $288.51K |
| Sep 23, 2026 | Lee Kang JyhDirector | Sale at price 29.50 per share. | 7.5K | $221.25K |
| Sep 21, 2026 | Lee Kang JyhDirector | Sale at price 29.70 per share. | 10K | $297.00K |
| Apr 16, 2026 | Zhang RuiOfficer | Sale at price 46.70 per share. | 4.6K | $212.76K |
| Apr 15, 2026 | Lee Kang JyhDirector | Sale at price 45.80 - 46.05 per share. | 20K | $918.50K |
| Apr 14, 2026 | Lee Kang JyhDirector | Sale at price 45.10 per share. | 10K | $451.00K |
| Apr 13, 2026 | Wang Hsueh-ChunOfficer | Sale at price 45.30 per share. | 19.3K | $872.02K |
| Apr 13, 2026 | Macricostas Constantine SDirector | Sale at price 45.35 per share. | 50K | $2.27M |
| Apr 12, 2026 | Macricostas Constantine SDirector | Stock Award(Grant) at price 0.00 per share. | 3.7K | — |
| Apr 12, 2026 | Tyson Mitchell GlennDirector | Stock Award(Grant) at price 0.00 per share. | 3.7K | — |
| Apr 12, 2026 | Liao Daniel JlDirector | Stock Award(Grant) at price 0.00 per share. | 3.7K | — |
| Apr 12, 2026 | Lewis Adam MDirector | Stock Award(Grant) at price 0.00 per share. | 3.7K | — |
| Apr 12, 2026 | Garcia David ADirector | Stock Award(Grant) at price 0.00 per share. | 3.7K | — |
| Apr 12, 2026 | Almeida MichelleDirector | Stock Award(Grant) at price 0.00 per share. | 3.7K | — |
| Apr 12, 2026 | Lee Kang JyhDirector | Conversion of Exercise of derivative security at price 8.60 per share. | 5K | $43.00K |
| Apr 12, 2026 | Rivera EricPresident | Conversion of Exercise of derivative security at price 9.78 per share. | 1K | $9.78K |
| Apr 12, 2026 | Lee Kang JyhDirector | Sale at price 45.00 per share. | 5K | $225.00K |
| Apr 12, 2026 | Rivera EricPresident | Sale at price 44.77 per share. | 1K | $44.77K |
| Apr 8, 2026 | Lee Kang JyhDirector | Conversion of Exercise of derivative security at price 8.60 per share. | 5K | $43.00K |
| Apr 8, 2026 | Lee Kang JyhDirector | Sale at price 44.00 per share. | 5K | $220.00K |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 8.0 | 8.3 | 8.0 | 22.4 | -34.6 | 0.6 | -6.9 | -7.1 | 9.4 | -5.9 | −9.5% | ||
| 2025 | -2.4 | -9.4 | -0.4 | -12.0 | -8.5 | 12.7 | 8.1 | 11.3 | 1.2 | 4.1 | -4.1 | 39.7 | +35.8% |
| 2024 | -6.9 | -1.5 | -1.6 | -3.2 | -0.2 | -9.8 | 3.0 | 1.8 | -4.3 | -7.9 | 9.3 | -5.4 | −24.9% |
| 2023 | 7.7 | -2.8 | -5.9 | -12.8 | 46.8 | 21.5 | 2.6 | -10.2 | -14.9 | -9.2 | 15.1 | 48.5 | +86.4% |
| 2022 | -5.1 | 3.0 | -7.9 | -11.7 | 45.0 | -10.4 | 22.2 | -29.4 | -13.0 | 10.9 | 15.9 | -10.5 | −10.7% |
| 2021 | -0.5 | 7.3 | 8.0 | -1.2 | 6.6 | -2.4 | 1.2 | 12.7 | -9.6 | -4.7 | 1.7 | 42.7 | +68.9% |
| 2020 | -18.9 | -2.6 | -17.6 | 16.5 | 0.3 | -7.2 | 6.7 | -15.6 | -0.7 | -2.1 | 18.9 | -3.7 | −29.2% |
| 2019 | 10.4 | -8.2 | -3.7 | -1.2 | -13.2 | 1.1 | 17.4 | 12.1 | 0.7 | 8.5 | -0.3 | 34.0 | +62.8% |
| 2018 | -1.5 | -7.1 | 5.8 | -7.3 | 13.7 | -8.3 | 12.8 | 18.9 | -7.9 | -1.1 | -0.4 | -0.2 | +13.5% |
| 2017 | 1.8 | -7.0 | 0.0 | 7.5 | -12.6 | -6.5 | 6.9 | -21.4 | 12.0 | 9.6 | -0.5 | -11.6 | −24.5% |
| 2016 | -4.1 | -14.8 | 2.4 | 1.6 | -9.3 | -7.2 | 8.4 | -1.0 | 7.8 | -5.9 | 3.1 | 13.0 | −9.2% |
| 2015 | 1.1 | -1.1 | 2.3 | 3.2 | 15.1 | -5.7 | -13.2 | 10.4 | -0.5 | 5.8 | 14.4 | 13.5 | +49.8% |
| 2014 | -8.1 | 4.8 | -2.0 | 1.8 | 1.3 | -2.2 | -7.3 | 10.8 | -8.8 | 11.7 | 0.3 | -7.9 | −8.0% |
| 2013 | 0.5 | 10.9 | 0.6 | 18.1 | -3.3 | 5.6 | -5.1 | -4.8 | 7.7 | 7.1 | 2.9 | 4.5 | +51.5% |
| 2012 | 12.8 | 2.2 | -5.1 | -6.9 | -3.1 | 1.7 | -4.1 | 0.3 | -8.5 | -8.9 | 5.3 | 15.7 | −2.0% |
| 2011 | 11.5 | 35.7 | 0.3 | -2.7 | 15.0 | -15.6 | -11.7 | -13.6 | -22.9 | 25.9 | -7.7 | 5.0 | +2.9% |
| 2010 | -13.5 | 14.3 | 15.9 | 6.9 | -7.2 | -10.7 | 0.0 | -4.6 | 22.7 | 18.9 | 1.6 | -7.5 | +32.8% |
| 2009 | -18.5 | -42.1 | 4.3 | 74.0 | 89.2 | 28.2 | 26.2 | -10.8 | 3.9 | -11.8 | -3.3 | 10.1 | +128.2% |
| 2008 | -2.2 | -17.4 | -5.2 | 11.0 | -15.3 | -21.6 | -39.6 | -23.1 | -42.5 | -63.3 | -34.8 | 333.3 | −84.4% |
| 2007 | 2.0 | -7.4 | 0.8 | -3.2 | -2.3 | 1.2 | -5.8 | -17.4 | -1.5 | -4.1 | -5.9 | 21.2 | −23.7% |
Buy / hold / sell counts
Photronics, Inc., together with its subsidiaries, engages in the manufacture and sale of photomask products and services in the United States, Taiwan, China, Korea, Europe, and internationally. It offers photomasks that are used in the manufacture of integrated circuits and flat panel displays (FPDs); and to transfer circuit patterns onto semiconductor wafers, and FDP substrates. The company also provides electrical and optical components. It sells its products to semiconductor and FPD designers, manufacturers, and foundries through its sales personnel and customer service representatives. The company was formerly known as Photronic Labs, Inc. and changed its name to Photronics, Inc. in 1990. Photronics, Inc. was incorporated in 1969 and is based in Brookfield, Connecticut.