Board of Governors of the Federal Reserve System (US), 40) Over the Past Three Months, How Has the Duration and Persistence of Mark and Collateral Disputes with Clients of Each of the Following Types Changed?| D. Mutual Funds, Etfs, Pension Plans, and Endowments. | Answer Type: Remained Basically Unchanged [ALLQ40DRBUNR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/ALLQ40DRBUNR, .