When being too big hinders fund performance Weâre sorry, this service is currently unavailable. Please try again later. Dismiss Save Normal text size Advertisement Smaller companies are not nearly as closely followed by financial analysts as large capitalised companies, creating more opportunities to uncover hidden value than with the marketâs closely followed behemoths. Managed funds that invest in small Australian-listed companies can be a good way for retail investors to get diversified exposure to the sharemarketâs small fry, some of whom, such as âbuy now, pay laterâ provider Afterpay, go on to become giants. Eley Griffiths Groupâs Ben Griffiths says to help maintain good returns it is necessary to sometimes limit funds under management