Zweig-DiMenna Associates LLC is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q4 2025, the fund manages $1.6B in reported equity holdings across 106 positions. The largest holdings are AMZN (5.3%), APP (5.0%), WGS (4.8%), BMY (4.6%), MSFT (3.8%). The portfolio is concentrated in Other (81.6%), Communication Services (8.7%), Technology (6.3%). Data sourced from SEC EDGAR 13F filings (CIK 1533950).