MARSHALL WACE, LLP is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q1 2026, the fund manages $100.4B in reported equity holdings across 2711 positions. The largest holdings are IVW (17.1%), 4JZA.HM (3.8%), NVDA (2.4%), AAPL (2.2%), AMZN (1.9%). The portfolio is concentrated in Other (88.7%), Technology (2.5%), Communication Services (2.4%). Data sourced from SEC EDGAR 13F filings (CIK 1318757).