Private equity firm TPG is in exclusive talks to take over Abraaj Group’s $1 billion health-care fund. : Private equity firm TPG is in exclusive talks to take over Abraaj Group’s $1 billion health-care fund. The firm is discussing combining the health-care assets with its Rise Fund, which aims to achieve market returns while also making a positive social and environmental impact. Abraaj’s fund has a mandate to provide affordable, high-quality health care to lower-income patients in sub-Saharan Africa and South Asia, and it’s in the process of separating from Dubai-based Abraaj Group.