Cathay Private Equity is a wholly owned subsidiary of Cathay Securities Investment Trust (Cathay SITE). Currently, it has 4 private equity funds: Cathay Sustainable Fund, Cathay Quick Service Restaurant Fund, Cathay Ecology Fund, Cathay Smart Tech Fund. "Cathay Sustainable Private Equity Fund" is 100% invested in key industries of sustainable development in Taiwan, including circular economy, renewable energy, as well as Internet of Things, Smart Machinery, New Agriculture, and Long-Term Care. The fund size of Cathay Sustainable Fund is around NT$8 billion. "Cathay Smart Tech Fund" collaborates with listed tech companies in Taiwan, investing in mid-sized growth companies.