Who has been buying Toyo Denki Seizo K.K. stock?

5 distinct investors have filed 3 disclosed large-shareholding filings in Toyo Denki Seizo K.K. (6505), most recently on 2023-06-01. 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 Toyo Denki Seizo K.K. have?

Toyo Denki Seizo K.K. has 3 buy-side and 1 sell-side disclosures on record, covering ¥1.2B ($7.6M) in total reported value, spanning 2023-05-15 to 2023-06-01.

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.

Toyo Denki Seizo K.K. 6505

Company

東洋電機製造株式会社Toyo Denki Seizo K.K.

Investors

Buys

Total Value

¥1.2B ($7.6M)

Avg Return

+148.34%

Last Filing

2023-06-01

Toyo Denki Seizo K.K. (6505) has 3 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥1.2B ($7.6M) in reported transaction value. The earliest filing StockDrifts holds for Toyo Denki Seizo K.K. is dated 2023-05-15; the most recent is 2023-06-01. Across these filings the average return since disclosure is +148.34%, 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
2026-08-07	BUY	Market Buy	東日本旅客鉄道株式会社 East Japan Railway Company	other	1.9M	¥2,405	+1.3%	¥1.4B ($9.0M)
2026-07-23	BUY	Market Buy	東日本旅客鉄道株式会社 East Japan Railway Company	other	1.4M	¥2,407	+1.3%	¥926M ($6.0M)
2026-07-23	BUY	Market Buy	東日本旅客鉄道株式会社 East Japan Railway Company	other	973.5K	¥2,407	-	-
2023-06-01	BUY	unknown	東日本旅客鉄道株式会社 East Japan Railway Company	strategic	973.5K	¥932	+161.5%	¥907M ($5.9M)
2023-06-01	BUY	unknown	東日本旅客鉄道株式会社 East Japan Railway Company	strategic	973.5K	¥932	-	¥907M ($5.9M)
2023-05-15	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	270.1K	¥1,052	-	-
2023-05-15	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	90.3K	¥1,052	-131.7%	¥82M ($529K)
2023-05-15	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	28.9K	¥1,052	+131.7%	¥5M ($33K)
2023-05-15	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	2.8K	¥1,052	+131.7%	¥271M ($1.8M)

Frequently asked questions

Who has been buying Toyo Denki Seizo K.K. stock?: 5 distinct investors have filed 3 disclosed large-shareholding filings in Toyo Denki Seizo K.K. (6505), most recently on 2023-06-01. 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 Toyo Denki Seizo K.K. have?: Toyo Denki Seizo K.K. has 3 buy-side and 1 sell-side disclosures on record, covering ¥1.2B ($7.6M) in total reported value, spanning 2023-05-15 to 2023-06-01.
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.