Ownership history in CASTLEARK MANAGEMENT LLC Β· 41 quarters on record
This page tracks every 13F SEC filing in which CASTLEARK MANAGEMENT LLC reported a position in ALPHABET INC (GOOGL). 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 CASTLEARK MANAGEMENT LLC outperformed the S&P 500 by +9.5% annually on this GOOGL position. Timing score: 28% (5/18 decisions correct). Average cost basis: $103.58. Maximum drawdown during holding period: β39.1%.
π₯ Exceptional β beat the S&P 500 by 9.5% per year on this position.
40 quarters analyzed
β οΈ Poor timing β buys often preceded drops, trims preceded rallies.
5 of 18 add/trim decisions correct
Best entry: $38.58 (2015 Q4) Β· Worst: $312.78 (2025 Q4)
πͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.
10 adds Β· 9 trims. Bought during 5 of 13 down-price quarters. π More buys than sells across the holding period.
π CASTLEARK MANAGEMENT LLC has been actively increasing its GOOGL allocation β a bullish signal from insiders.
Currently 3.51% 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