MARSHALL WACE, LLP is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q4 2025, the fund manages $109.9B in reported equity holdings across 2540 positions. The largest holdings are IVW (20.2%), VEA (2.6%), NVDA (2.6%), AMZN (2.5%), AAPL (1.7%). The portfolio is concentrated in Other (89.7%), Communication Services (2.8%), Technology (1.6%). Data sourced from SEC EDGAR 13F filings (CIK 1318757).