Zweig-DiMenna Associates LLC is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q2 2026, the fund manages $1.1B in reported equity holdings across 70 positions. The largest holdings are SNDK (6.7%), AMZN (4.9%), MU (4.3%), WGS (3.6%), AMAT (3.6%). The portfolio is concentrated in Other (90.7%), Communication Services (5.9%), Technology (3.4%). Data sourced from SEC EDGAR 13F filings (CIK 1533950).