On Aug 30, 株式会社ライズ・エイト submitted the Change Report to Ministry of Finance. The report shows that 株式会社ライズ・エイト increased their holdings in $Takamiya (2445.JP)$, with their joint shareholding ratio up from 7.51% to 9.51%.
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.