TCI Fund Management Ltd is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q4 2025, the fund manages $53.6B in reported equity holdings across 9 positions. The largest holdings are GE (27.3%), V (18.1%), MSFT (15.1%), MCO (12.7%), 0P0000FTCC.F (11.5%). The portfolio is concentrated in Other (72.7%), Industrials (27.3%). Data sourced from SEC EDGAR 13F filings (CIK 1647251).