A computer system for management of financial data relating to funds holding investments includes a data storage device and a server configured for execution of computer-readable instructions embodied in components. The components include an expense component for accessing and verifying fund expense calculation data, and storing the verified fund expense data in a common data format; a pre-trade component for receiving data relating to fund ownership, determining and storing data indicative of fund trading requirements in the common data format; a settlement component for accessing data indicative of instructions for execution of trades, determining data indicative of instructions for payment in settlement of trades consistent with the trade instructions data and providing output data signals indicative of the instructions for payment; and an accounting component for accessing accounting ledgers stored in the data storage devices and updating the accounting ledgers.