Ownership history in HAP Trading, LLC Β· 68 quarters on record
This page tracks every 13F SEC filing in which HAP Trading, LLC reported a position in AMGEN INC COM (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 HAP Trading, LLC outperformed the S&P 500 by +1.1% annually on this AMGN position. Timing score: 45% (29/65 decisions correct). Average cost basis: $104.42. Maximum drawdown during holding period: β18.5%.
β
Outperformed SPY on this position by 1.1% ann.
66 quarters analyzed
β‘οΈ Neutral timing β roughly coin-flip accuracy on add/trim calls.
29 of 65 add/trim decisions correct
Best entry: $60.04 (2012 Q4) Β· Worst: $296.07 (2024 Q2)
π No drawdown exceeding 20% during the holding period β exceptionally stable.
32 adds Β· 34 trims. Bought during 8 of 14 down-price quarters. π Predominantly trimming β distribution phase.
βοΈ Portfolio weight has remained relatively stable β conviction maintained.
Currently 0.01% 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