Zweig-DiMenna Associates LLC is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q1 2026, the fund manages $722M in reported equity holdings across 61 positions. The largest holdings are AMZN (10.4%), WGS (6.1%), APP (4.5%), LITE (4.0%), COHR (3.9%). The portfolio is concentrated in Other (85.0%), Communication Services (10.2%), Technology (4.8%). Data sourced from SEC EDGAR 13F filings (CIK 1533950).