RENAISSANCE TECHNOLOGIES LLC is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q1 2026, the fund manages $63.9B in reported equity holdings across 3213 positions. The largest holdings are UTHR (1.7%), PLTR (1.6%), AAPL (1.2%), KGC (1.2%), MU (1.1%). The portfolio is concentrated in Other (87.1%), Technology (3.5%), Communication Services (2.1%). Data sourced from SEC EDGAR 13F filings (CIK 1037389).