Duquesne Family Office LLC is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q2 2026, the fund manages $5M in reported equity holdings across 90 positions. The largest holdings are NTRA (16.6%), INSM (5.7%), TSM (5.4%), ETHB (5.1%), AMZN (4.6%). The portfolio is concentrated in Other (80.0%), Technology (9.0%), Communication Services (5.6%). Data sourced from SEC EDGAR 13F filings (CIK 1536411).