Theologian holding fixed equities could be made anxious (10)

'anxious' is the definition.
('disquieted' can be a synonym of 'anxious')

'theologian holding fixed equities' is the wordplay.
'theologian' becomes 'dd' (Doctor of Divinity degree).
'holding' is an insertion indicator.
'fixed' indicates an anagram.
'equities' with letters rearranged gives 'isquiete'.
'dd' going around 'isquiete' is 'DISQUIETED'.

'could be made' acts as a link.