Ownership history in TWO SIGMA SECURITIES, LLC Β· 58 quarters on record
This page tracks every 13F SEC filing in which TWO SIGMA SECURITIES, LLC reported a position in LABORATORY CORP AMER HLDGS (LH). 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 TWO SIGMA SECURITIES, LLC underperformed the S&P 500 by β1.3% annually on this LH position. Timing score: 49% (28/57 decisions correct). Average cost basis: $157.34. Maximum drawdown during holding period: β29.6%.
β οΈ Trailed SPY by 1.3% ann. on this position.
57 quarters analyzed
β‘οΈ Neutral timing β roughly coin-flip accuracy on add/trim calls.
28 of 57 add/trim decisions correct
Best entry: $103.44 (2018 Q4) Β· Worst: $260.48 (2025 Q2)
πͺ Held through 3 major drawdowns (>20%). Diamond-hands conviction.
27 adds Β· 31 trims. Bought during 4 of 11 down-price quarters. π Predominantly trimming β distribution phase.
βοΈ Portfolio weight has remained relatively stable β conviction maintained.
Currently 0.15% 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