Ownership history in REIK & CO., LLC Β· 42 quarters on record
This page tracks every 13F SEC filing in which REIK & CO., LLC reported a position in CORNING INC COM (GLW). 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 REIK & CO., LLC outperformed the S&P 500 by +6.9% annually on this GLW position. Timing score: 33% (6/18 decisions correct). Average cost basis: $17.22. Maximum drawdown during holding period: β39.4%.
π₯ Exceptional β beat the S&P 500 by 6.9% per year on this position.
41 quarters analyzed
β οΈ Poor timing β buys often preceded drops, trims preceded rallies.
6 of 18 add/trim decisions correct
Best entry: $14.89 (2015 Q2) Β· Worst: $81.60 (2025 Q3)
πͺ Held through 2 major drawdowns (>20%).
11 adds Β· 8 trims. Bought during 3 of 14 down-price quarters. π More buys than sells across the holding period.
π REIK & CO., LLC has been actively increasing its GLW allocation β a bullish signal from insiders.
Currently 0.43% 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