Who has been buying Nippon Rietec Co.,Ltd. stock?

6 distinct investors have filed 5 disclosed large-shareholding filings in Nippon Rietec Co.,Ltd. (1938), most recently on 2025-09-26. 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 Nippon Rietec Co.,Ltd. have?

Nippon Rietec Co.,Ltd. has 5 buy-side and 4 sell-side disclosures on record, covering ¥808M ($5.2M) in total reported value, spanning 2022-06-07 to 2025-09-26.

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.

Nippon Rietec Co.,Ltd. 1938

Company

日本リーテック株式会社Nippon Rietec Co.,Ltd.

Investors

Buys

Total Value

¥808M ($5.2M)

Avg Return

+54.32%

Last Filing

2025-09-26

Nippon Rietec Co.,Ltd. (1938) has 5 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥808M ($5.2M) in reported transaction value. The earliest filing StockDrifts holds for Nippon Rietec Co.,Ltd. is dated 2022-06-07; the most recent is 2025-09-26. Across these filings the average return since disclosure is +54.32%, 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
2026-07-16	BUY	Market Buy	さくら損害保険株式会社	passive	50.0K	¥2,581	-	-
2026-07-16	SELL	Market Buy	光通信株式会社	passive	1.0M	¥2,581	-2.2%	¥661M ($4.3M)
2025-09-26	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.3M	¥2,009	+31.3%	¥149M ($963K)
2025-09-26	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	50.0K	¥2,009	+31.3%	¥26M ($166K)
2025-02-28	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥1,482	+77.9%	¥1.8B ($11.9M)
2025-02-28	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	38.5K	¥1,482	+77.9%	¥57M ($368K)
2025-02-25	BUY	Market Buy	東日本旅客鉄道株式会社 East Japan Railway Company	strategic	4.8M	¥1,451	+81.7%	¥725M ($4.7M)
2025-02-25	BUY	Market Buy	株式会社JR東日本クロスステーション JR East Cross Station Co., Ltd.	strategic	32.9K	¥1,451	-	-
2025-02-21	BUY	negotiated	東日本旅客鉄道株式会社 East Japan Railway Company	activist	4.3M	¥1,445	-	¥648M ($4.2M)
2025-02-21	BUY	negotiated	株式会社鉄道会館 Tetsudo Kaikan Co., Ltd.	strategic	32.9K	¥1,445	-	-
2023-12-07	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.1M	¥1,288	-104.7%	¥436M ($2.8M)
2022-11-22	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.4M	¥744	-254.4%	¥242M ($1.6M)
2022-09-07	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.8M	¥810	-225.6%	¥226M ($1.5M)
2022-06-07	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	2.0M	¥1,113	-136.9%	¥379M ($2.4M)

Frequently asked questions

Who has been buying Nippon Rietec Co.,Ltd. stock?: 6 distinct investors have filed 5 disclosed large-shareholding filings in Nippon Rietec Co.,Ltd. (1938), most recently on 2025-09-26. 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 Nippon Rietec Co.,Ltd. have?: Nippon Rietec Co.,Ltd. has 5 buy-side and 4 sell-side disclosures on record, covering ¥808M ($5.2M) in total reported value, spanning 2022-06-07 to 2025-09-26.
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.