A fund earns a gun grade - A, B, or F - based on its direct stock investments in different types of gun companies. View Top Holdings and Key Holding Information for Parnassus Core Equity Fund-Inve (PRBLX). See fees data for Parnassus Core Equity Fund (PRBLX). Get your money out of the prison industrial complex. Analyze the Fund Parnassus Core Equity Fund - Investor Shares having Symbol PRBLX for type mutual-funds and perform research on other mutual funds. Learn more about mutual funds at fidelity.com. Parnassus Core Equity Investor PRBLX Morningstar Analyst Rating Analyst rating as of Sep 2, 2020. Quote Fund ... Intermediate-Term Core-Plus Bond Funds ; Corporate Bond Funds ; Research information including fund fees, cost projections and minimum investments for Parnassus Core Equity Fund. Find the latest Parnassus Core Equity Fund-Inst (PRILX) stock quote, history, news and other vital information to help you with your stock trading and investing. Research information including volatility and modern portfolio theory statistics (beta, r-squared, etc) for Parnassus Core Equity Fund. Prison Free Funds is a search platform that informs and empowers everyday investors. See risk data for Parnassus Core Equity Fund (PRBLX). See how we track gun investments Parnassus Core Equity’s solid leadership and well-executed, time-tested approach earn a Morningstar Analyst Rating of Silver for both share classes.