To diversify its product and service range, CTBC Holding obtained a 98.6% stake in Truswell Securities Investment Trust Co., Ltd. in November 2012. In January 2013, its name was officially changed to CTBC Investments. In June that year, it obtained the remaining 1.4% to become the sole shareholder. CTBC Investments' principal responsibilities span securities investment trusts, discretionary investment services, offshore fund master agent services and other government-sanctioned business.