KUALA LUMPUR: Permodalan Nasional Bhd (PNB) hopes to increase the number of unit holders from the current 13 million following the backing of the Selangor and Penang muftis who have issued a ‘harus’, or permissible status, for investments in the fund’s products Amanah Saham Bumiputera and Amanah Saham Nasional.