DII Holding Change – 3M is calculated as the difference between the current DII ownership percentage and the percentage 3 months ago. Suppose, DIIs held 14% stake in the company 3 months ago and currently they hold 18.5%, the ownership change percentage is (18.5 – 14) = 4.5%.
A drastic increase or decrease in DII ownership percentage is a signal of a potential change in the fortunes of the company.