Ownership history in GROUP ONE TRADING LLC Β· 29 quarters on record
This page tracks every 13F SEC filing in which GROUP ONE TRADING LLC reported a position in PURE STORAGE INC (PSTG). 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 outperformed the S&P 500 by +15.4% annually on this PSTG position. Timing score: 50% (14/28 decisions correct). Average cost basis: $26.03. Maximum drawdown during holding period: β41.2%.
π₯ Exceptional β beat the S&P 500 by 15.4% per year on this position.
28 quarters analyzed
β‘οΈ Neutral timing β roughly coin-flip accuracy on add/trim calls.
14 of 28 add/trim decisions correct
Best entry: $9.83 (2017 Q1) Β· Worst: $61.43 (2024 Q4)
πͺ Held through 4 major drawdowns (>20%). Diamond-hands conviction.
15 adds Β· 14 trims. Bought during 5 of 11 down-price quarters. π More buys than sells across the holding period.
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