Ownership history in RENAISSANCE TECHNOLOGIES LLC Β· 5 quarters on record
This page tracks every 13F SEC filing in which RENAISSANCE TECHNOLOGIES LLC reported a position in ICZOOM GROUP INC. (IZM). 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 RENAISSANCE TECHNOLOGIES LLC underperformed the S&P 500 by β80.1% annually on this IZM position. Timing score: 25% (1/4 decisions correct). Average cost basis: $2.84. Maximum drawdown during holding period: β64.2%.
β Significantly underperformed the S&P 500 by 80.1% ann.
4 quarters analyzed
β οΈ Poor timing β buys often preceded drops, trims preceded rallies.
1 of 4 add/trim decisions correct
Best entry: $2.38 (2025 Q3) Β· Worst: $4.72 (2023 Q2)
πͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.
3 adds Β· 2 trims. Bought during 2 of 3 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