We investigate the relationship of pension fund governance and investment performance. For this purpose, we develop the Swiss Pensoin Fund Governance Index (SPGI) which is a standard metric for the governance quality of Swiss pension funds. The empirical analysis is based on a sample of 96 pension funds with total assets of more than CHF 190 billion. We …nd evidence for governance issues in the area organization and target setting. Our results support the widespread hypothesis of a positive relationship between pension fund governance and investment performance.