Read the following paragraph and determine if the hypothesis is true:

Dan McCauley is a major share holder of Sutton Harbour Holdings plc, in which he currently holds a 30% stake. Ranked at 723 on The Times "Rich List 2004" for the UK, his main source of wealth is the company Rotolok Holdings plc which is based in Tiverton.

Hypothesis: McCauley has increased his stake in Sutton Harbour Holdings to 30%.