Ownership history in Magnetar Financial LLC Β· 13 quarters on record
This page tracks every 13F SEC filing in which Magnetar Financial LLC reported a position in BIOMARIN PHARMACEUTICAL INC (BMRN). 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 Magnetar Financial LLC underperformed the S&P 500 by β80.6% annually on this BMRN position. Timing score: 67% (8/12 decisions correct). Average cost basis: $71.32. Maximum drawdown during holding period: β41.5%.
β Significantly underperformed the S&P 500 by 80.6% ann.
3 quarters analyzed
β
Decent timing β more right than wrong on entries and exits.
8 of 12 add/trim decisions correct
Best entry: $54.97 (2025 Q2) Β· Worst: $90.40 (2014 Q4)
πͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.
8 adds Β· 5 trims. Bought during 4 of 6 down-price quarters. π More buys than sells across the holding period.
βοΈ Portfolio weight has remained relatively stable β conviction maintained.
Currently 0.0% 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