CAPSTONE INVESTMENT ADVISORS, LLC is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q4 2025, the fund manages $51.1B in reported equity holdings across 939 positions. The largest holdings are SPY (27.8%), IWM (8.9%), NVDA (8.5%), GOOG (4.1%), ECNS.SN (3.6%). The portfolio is concentrated in Other (90.3%), Communication Services (6.5%), Technology (1.3%). Data sourced from SEC EDGAR 13F filings (CIK 1426196).