TWO SIGMA INVESTMENTS, LP is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q2 2026, the fund manages $138.1B in reported equity holdings across 3963 positions. The largest holdings are WDC (1.1%), AMZN (1.0%), NVDA (1.0%), AAPL (0.9%), TSLA (0.9%). The portfolio is concentrated in Other (84.8%), Technology (3.9%), Financial Services (2.8%). Data sourced from SEC EDGAR 13F filings (CIK 1179392).