On Nov 14, 菊水取引先持株会 理事長 藤田 哲郎 submitted the Change Report to Ministry of Finance. The report shows that 菊水取引先持株会 理事長 藤田 哲郎 increased their holdings in $Kikusui Holdings (6912.JP)$, with their joint shareholding ratio up from 8.59% to 9.59%.
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.