Tower Research Capital LLC (TRC) is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q1 2026, the fund manages $3.8B in reported equity holdings across 5081 positions. The largest holdings are IWM (3.6%), SOXL (3.0%), AAPL (2.9%), MSFT (2.4%), MU (2.4%). The portfolio is concentrated in Other (88.1%), Communication Services (3.0%), Technology (1.9%). Data sourced from SEC EDGAR 13F filings (CIK 1533421).