什么是5%机制？On Oct 3, 佐藤 穣 submitted the Change Report to Ministry of Finance. The report shows that 佐藤 穣 increased their holdings in $Tomita (8147.JP)$, with their joint shareholding ratio up from 6.9% to 7.61%.
Source: Edinet Announcement
What is the 5% shareholding reporting system?
Shareholders with holding ratio exceeding 5% must submit a Large Shareholding Report within five business days from that day. If the holding ratio increases or decreases by 1% or more after submitting a Large Shareholding Report, the holder must submit a Change Report within five business days from that day.