Ownership history in GROUP ONE TRADING LLC Β· 30 quarters on record
This page tracks every 13F SEC filing in which GROUP ONE TRADING LLC reported a position in PHOTRONICS INC COM (PLAB). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β sourced directly from SEC EDGAR 13F filings.
π GROUP ONE TRADING LLC underperformed the S&P 500 by β27.5% annually on this PLAB position. Timing score: 63% (17/27 decisions correct). Average cost basis: $15.79. Maximum drawdown during holding period: β28.9%.
β Significantly underperformed the S&P 500 by 27.5% ann.
3 quarters analyzed
β
Decent timing β more right than wrong on entries and exits.
17 of 27 add/trim decisions correct
Best entry: $5.96 (2012 Q4) Β· Worst: $22.95 (2025 Q3)
πͺ Held through 2 major drawdowns (>20%).
21 adds Β· 8 trims. Bought during 9 of 11 down-price quarters. π Consistently bullish β fund kept accumulating this position.
βοΈ Portfolio weight has remained relatively stable β conviction maintained.
Currently 0.0% of portfolio
β Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ 4 (annualised). Not investment advice.
As of 2025 Q4 β sorted by position size