The main purpose of our study is to find out the impact of financial socialization, cognitive ability, and self-efficacy on financial literacy and financial behavior of investors in Pakistan. This study has used a non-probability convenience-based sampling technique for collecting the data. A total of 429 individual investors were analyzed with the help of structural equation modeling (SEM) through Smart PLS. The results of our research study suggested that the participation of female investors as compare to male investors is very low. The main results of the study showed that cognitive ability and self-efficacy have a significantly positive impact on financial literacy, but an insignificant impact of these two variables on financial behavior was found. Findings also suggested that the influence of financial socialization on financial literacy is insignificant, while financial behavior is positively influenced by financial socialization and financial literacy. In mediating analysis cognitive ability and self-efficacy have positively affected financial behavior, while financial socialization has an insignificant effect on financial behavior through financial literacy. This research study provides important implications for researchers and other policymakers. Policymakers can formulate policies regarding trainings to improve the financial literacy of investors. Researcher can further investigate these variables for other segments of the society.