Tower Research Capital LLC (TRC) is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q2 2026, the fund manages $4.1B in reported equity holdings across 5180 positions. The largest holdings are SPY (4.3%), NVDA (2.3%), IVW (2.1%), AAPL (1.9%), 4JZA.HM (1.7%). The portfolio is concentrated in Other (91.4%), Technology (2.1%), Communication Services (1.9%). Data sourced from SEC EDGAR 13F filings (CIK 1533421).