Usually no. Some sites are set up with detailed auditing logs but if you had those, you wouldn't be asking (and we wouldn't be able to guess which system you have anyway).
Who have rights (the required priviledges...) on thoses directories?
You could look at their .sh_history...
Has the server been rebooted lately? In some strange situations filesytems get mounted in bad order and so you dont get expected results: a classical we see is /opt/oracle mounted after /opt/oracle/product/...