Ownership history in TWO SIGMA SECURITIES, LLC Β· 7 quarters on record
This page tracks every 13F SEC filing in which TWO SIGMA SECURITIES, LLC reported a position in IRIDIUM COMMUNICATIONS INC (IRDM). 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 β52.8% annually on this IRDM position. Timing score: 40% (2/5 decisions correct). Average cost basis: $23.39. Maximum drawdown during holding period: β60.0%.
β Significantly underperformed the S&P 500 by 52.8% ann.
5 quarters analyzed
β οΈ Poor timing β buys often preceded drops, trims preceded rallies.
2 of 5 add/trim decisions correct
Best entry: $15.13 (2018 Q2) Β· Worst: $43.04 (2023 Q3)
πͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.
5 adds Β· 2 trims. Bought during 1 of 2 down-price quarters. π Consistently bullish β fund kept accumulating this position.
βοΈ Portfolio weight has remained relatively stable β conviction maintained.
Currently 0.04% 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