Kimorop, Abigael Jeruto2025-08-122025-08-122025-05https://ir-library.ku.ac.ke/handle/123456789/31177A Thesis Submitted to the School of Business, Economics and Tourism in Partial Fulfillment of the Requirements for the Award of Degree in Master of Science Finance of Kenyatta University, May 2025. Supervisor 1. Ambrose Jagongo 2. Fredrick Warui WaweruPortfolio Investment, Firm Size and Financial Performance of Listed Investment Firms in Kenya