This study aims to analyze the sociopolitical evolution of the 5-Star Movement (M5S), one of the most significant political parties in the Italian national political landscape. Utilizing a methodological approach combining quantitative and qualitative analysis, the primary objective is to examine the political-ideological configuration adopted by the M5S over time. In this regard, the research is based on a representative sample of M5S members, collecting data qualified by territorial party administrators. Particular parameters considered include the structure of members, their sociological characteristics, basic political culture, and prevailing value orientations within the organization. This methodology allows for the illustration of internal dynamics that have influenced the transformation of the M5S into a crucial historical juncture for the history of the Italian political class. The investigation reveals an evolutionary path that has taken the M5S from a strongly antiestablishment origin to a more mature and articulated political reality while maintaining a fundamental guiding principle. In conclusion, the examination of the sociopolitical evolution of the 5-Star Movement provides an accurate insight into how a political movement can adapt and renew itself over time. The results demonstrate that the M5S has maintained a coherent set of values while navigating the complex waters of Italian institutional politics. Therefore, this study contributes to the understanding of contemporary Italian political dynamics and provides insights for further research on the development of similar political movements at the international level.