Hudson Bay Capital Management LP is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q4 2025, the fund manages $30.3B in reported equity holdings across 1040 positions. The largest holdings are TSLA (9.0%), NVDA (7.3%), AMZN (4.3%), AMD (3.9%), PLTR (3.1%). The portfolio is concentrated in Other (87.3%), Communication Services (3.8%), Technology (2.7%). Data sourced from SEC EDGAR 13F filings (CIK 1393825).