Maven Securities LTD is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q1 2026, the fund manages $5.2B in reported equity holdings across 403 positions. The largest holdings are QQQ (4.4%), QQQ (4.3%), ETHB (4.1%), QQQ (3.6%), SPY (3.2%). The portfolio is concentrated in Other (92.0%), Communication Services (3.9%), Financial Services (1.2%). Data sourced from SEC EDGAR 13F filings (CIK 1633046).