The Hill Ledger

Tokyo-listed stock · 5139

OpenWork (5139): large-holder filings

In the last 12 months, large holders reported 2 changes to stakes of 5% or more.

Stakes raised / cut
0 / 212 months
Large holders filing
212 months
Last close
¥9002 Nov 2026
One-year change
−11.4%

3 disclosed buys and sales on record since 19 August 2025. A large holder files with EDINET when a stake of 5% or more moves by a point or more; a change has a value once it can be priced.

Latest disclosures

DisclosedFiled byTypeAmountTraded
Sumitomo Mitsui DS Asset Management Company, Limited5% holder (Japan) Sale ¥221M ($1.4M)
Shinjiro Masui5% holder (Japan) Sale ¥262M ($1.7M)
Shinjiro Masui5% holder (Japan) Sale ¥80.3M ($543K)