Ownership history in GAM Holding AG Β· 65 quarters on record
This page tracks every 13F SEC filing in which GAM Holding AG reported a position in COMCAST CORP-CLASS A Com (CMCSA). 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 GAM Holding AG underperformed the S&P 500 by β4.7% annually on this CMCSA position. Timing score: 50% (30/60 decisions correct). Average cost basis: $13.31. Maximum drawdown during holding period: β18.7%.
β οΈ Trailed SPY by 4.7% ann. on this position.
64 quarters analyzed
β‘οΈ Neutral timing β roughly coin-flip accuracy on add/trim calls.
30 of 60 add/trim decisions correct
Best entry: $5.51 (2009 Q4) Β· Worst: $35.43 (2019 Q4)
π No drawdown exceeding 20% during the holding period β exceptionally stable.
29 adds Β· 32 trims. Bought during 5 of 11 down-price quarters. π Predominantly trimming β distribution phase.
βοΈ Portfolio weight has remained relatively stable β conviction maintained.
Currently 0.02% 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