Hopkins is described in trade directories as ‘Bank director and merchant’, of 58 Old Broad St. In 1765 he held £3,000 of Bank stock and, at the time of his death, £12,000. His main interest was insurance; he told the Commons on 11 Mar. 1773:
Lord Bruce returned Hopkins for Great Bedwyn on the death of his brother-in-law, William Northey, a neighbour of Bruce’s and connected with him in politics. His maiden speech on 29 Apr. 1771 was in support of a bill to restrain stock jobbing. ‘I never sell stock,’ he said,
He did not stand at the general election of 1774, and died 9 Nov. 1779.
