RENAISSANCE TECHNOLOGIES LLC is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q4 2025, the fund manages $64.5B in reported equity holdings across 3185 positions. The largest holdings are PLTR (2.4%), UTHR (1.4%), MU (1.3%), KGC (1.1%), VRSN (1.0%). The portfolio is concentrated in Other (87.7%), Technology (3.4%), Communication Services (1.9%). Data sourced from SEC EDGAR 13F filings (CIK 1037389).