Renaissance Technologies (RenTech)'s ECX Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 2.02 M shares of ECARX Holdings Inc. (ECX) worth $1.97 M, representing 0.00% of the portfolio. First purchased in 2024-Q4, this short-term holding has been held for 6 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained this position in ECX for several quarters, showing initial confidence in the investment. Largest addition occurred in Q4 2025, adding 667,800 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s ECARX Holdings (ECX) Holding Value Over Time
Track share changes against reported price movement
Quarterly ECARX Holdings (ECX) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +173,500 | Add 9.42% | 2.02 M | $0.98 |
| Q4 2025 | +667,800 | Add 56.87% | 1.84 M | $1.72 |
| Q3 2025 | +385,400 | Add 48.85% | 1.17 M | $2.01 |
| Q2 2025 | +83,724 | Add 11.87% | 788,900 | $2.05 |
| Q1 2025 | +406,749 | Add 136.30% | 705,176 | $1.26 |
| Q4 2024 | +298,427 | New Buy | 298,427 | $2.11 |
Renaissance Technologies (RenTech)'s ECARX Holdings Investment FAQs
Renaissance Technologies (RenTech) first purchased ECARX Holdings Inc. (ECX) in Q4 2024, acquiring 298,427 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies (RenTech) has held ECARX Holdings Inc. (ECX) for 6 quarters since Q4 2024.
Renaissance Technologies (RenTech)'s largest addition to ECARX Holdings Inc. (ECX) was in Q4 2025, adding 1,842,100 shares worth $3.17 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 2,015,600 shares of ECARX Holdings Inc. (ECX), valued at approximately $1.97 M.
As of the Q1 2026 filing, ECARX Holdings Inc. (ECX) represents approximately 0.00% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in ECARX Holdings Inc. (ECX) was 2,015,600 shares, as reported at the end of Q1 2026.