Purpose of this study was to examine the impact of person-job fit on job-based psychological ownership. Furthermore, this study also observed the mediation effects of routes to psychological ownership i.e. control, investment of self, and intimate knowing between person-job fit and job-based psychological ownership. To achieve this purpose data was collected from 300 respondents belonging to private and public banking sector of Pakistan. PLS-SEM statistical analysis was conducted to test hypotheses. Statistical analysis proved our hypothesized relationships. It was found that person-job fit, and job-based psychological ownership were positively related and routes to psychological ownership mediates the relationship between person-job fit and job-based psychological ownership. Present study contributes in human resource management by discussing employee’s behavior related issues i.e. person-job fit, emotions of psychological attachment toward job and how these feelings develop. It is need of the time to explore reasons how employees can perform well in their jobs and at the same time they are loyal and committed to their jobs.