Who has been buying Retail Partners Co., Ltd. stock?

4 distinct investors have filed 3 disclosed large-shareholding filings in Retail Partners Co., Ltd. (8167), most recently on 2026-02-24. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does Retail Partners Co., Ltd. have?

Retail Partners Co., Ltd. has 3 buy-side and 6 sell-side disclosures on record, covering ¥9.0B ($57.8M) in total reported value, spanning 2023-10-17 to 2026-02-24.

Do insider buys in Japanese stocks predict returns?

Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Retail Partners Co., Ltd. 8167

Company

株式会社リテールパートナーズRetail Partners Co., Ltd.

Investors

Buys

Total Value

¥9.0B ($57.8M)

Avg Return

-2.24%

Last Filing

2026-02-24

Retail Partners Co., Ltd. (8167) has 3 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥9.0B ($57.8M) in reported transaction value. The earliest filing StockDrifts holds for Retail Partners Co., Ltd. is dated 2023-10-17; the most recent is 2026-02-24. Across these filings the average return since disclosure is -2.24%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-02-24	BUY	Market Buy	池田興産有限会社	strategic	2.8M	¥1,411	+1.0%	¥763M ($4.9M)
2026-02-24	BUY	unknown	池田興産有限会社	strategic	2.8M	¥1,411	+1.0%	¥763M ($4.9M)
2026-02-24	SELL	unknown	斉田敏夫	activist	530.4K	¥1,411	-1.0%	¥763M ($4.9M)
2026-02-24	SELL	Market Buy	斉田敏夫	activist	530.4K	¥1,411	-1.0%	¥763M ($4.9M)
2025-11-20	BUY	unknown	池田興産有限会社 Ikeda Kosan Co., Ltd.	strategic	2.3M	¥1,319	-	-
2025-11-20	SELL	unknown	斉田キミヨ(相続人代表斉田敏夫) Kimiyo Saita (Heir Representative Toshio Saita)	other	0	¥1,319	-8.0%	¥1.9B ($12.5M)
2025-11-20	BUY	unknown	斉田敏夫 Toshio Saita	strategic	1.1M	¥1,319	+8.0%	¥1.4B ($9.1M)
2024-11-05	SELL	unknown	池田興産有限会社 Ikeda Kosan Co., Ltd.	strategic	2.3M	¥1,317	-8.2%	¥467M ($3.0M)
2024-11-05	SELL	unknown	斉田キミヨ Kimiyo Saita	strategic	1.5M	¥1,317	-8.2%	¥301M ($1.9M)
2023-10-17	BUY	unknown	丸久共栄会理事長金子光夫 Marukyukyoeikai chairman Kaneko Mitsuo	unknown	0	¥1,669	-	¥4.0B ($25.6M)
2023-10-17	SELL	unknown	丸久共栄会理事長金子光夫 Marukyukyoeikai chairman Kaneko Mitsuo	unknown	0	¥1,669	+14.6%	¥4.0B ($25.6M)

Frequently asked questions

Who has been buying Retail Partners Co., Ltd. stock?: 4 distinct investors have filed 3 disclosed large-shareholding filings in Retail Partners Co., Ltd. (8167), most recently on 2026-02-24. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Retail Partners Co., Ltd. have?: Retail Partners Co., Ltd. has 3 buy-side and 6 sell-side disclosures on record, covering ¥9.0B ($57.8M) in total reported value, spanning 2023-10-17 to 2026-02-24.
Do insider buys in Japanese stocks predict returns?: Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.