The Hill Ledger

Tokyo-listed stock · 5019

Idemitsu Kosan (5019): large-holder filings

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

Stakes raised / cut
3 / 212 months
Large holders filing
412 months
Last close
¥1,5059 Oct 2026
One-year change
+44.7%

5 disclosed buys and sales on record since 9 June 2026. 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
Aramco Overseas Company B.V.5% holder (Japan) Buy ≈ $189M
Aramco Overseas Company B.V.5% holder (Japan) Sale ≈ $1.1B
Aramco Downstream Asia Pte. Ltd.5% holder (Japan) Buy ≈ $1.2B
Nomura Securities Co.,Ltd.5% holder (Japan) Sale ≈ $100M
Nissho Kosan Co., LTD.5% holder (Japan) Buy ≈ $726M