On Aug 19, MIRI Capital Management LLC submitted the Change Report to Ministry of Finance. The report shows that MIRI Capital Management LLC increased their holdings in $System D (3804.JP)$, with their joint shareholding ratio up from 18.1% to 19.26%.
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.