Investment funds and corporates are awash with liquidity. This makes the challenge of finding safe havens for short-term money ever more stressful and banks are not always the ideal choice.
If anything, the new banking regulations have made fund managers more nervous about banks, as opposed to than less nervous. Under the Basel III liquidity coverage ratio, banks are less likely to suffer liquidity problems but the new rules also stipulate that banks in trouble should be bailed in rather than bailed out. Small depositors will be protected by guarantee schemes but those with larger funds will be expected to take a hit.