Ownership history in SECTOR GAMMA AS Β· 7 quarters on record
This page tracks every 13F SEC filing in which SECTOR GAMMA AS reported a position in AMGEN INC (AMGN). 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 SECTOR GAMMA AS underperformed the S&P 500 by β6.9% annually on this AMGN position. Timing score: 60% (3/5 decisions correct). Average cost basis: $269.70. Maximum drawdown during holding period: β18.5%.
β Significantly underperformed the S&P 500 by 6.9% ann.
5 quarters analyzed
β
Decent timing β more right than wrong on entries and exits.
3 of 5 add/trim decisions correct
Best entry: $250.69 (2024 Q4) Β· Worst: $302.07 (2025 Q1)
π No drawdown exceeding 20% during the holding period β exceptionally stable.
4 adds Β· 3 trims. Bought during 1 of 2 down-price quarters. π More buys than sells across the holding period.
π Portfolio weight has been declining in recent quarters. Possible distribution phase.
Currently 4.55% 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