Who has been buying Tekken Corporation stock?

8 distinct investors have filed 4 disclosed large-shareholding filings in Tekken Corporation (1815), most recently on 2022-12-02. 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 Tekken Corporation have?

Tekken Corporation has 4 buy-side and 5 sell-side disclosures on record, covering ¥1.5B ($9.9M) in total reported value, spanning 2021-04-07 to 2022-12-02.

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.

Tekken Corporation 1815

Company

鉄建建設株式会社Tekken Corporation

Investors

Buys

Total Value

¥1.5B ($9.9M)

Avg Return

+159.25%

Last Filing

2022-12-02

Tekken Corporation (1815) has 4 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥1.5B ($9.9M) in reported transaction value. The earliest filing StockDrifts holds for Tekken Corporation is dated 2021-04-07; the most recent is 2022-12-02. Across these filings the average return since disclosure is +159.25%, 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
2026-06-05	BUY	Market Buy	三井住友DSアセットマネジメント株式会社	passive	729.7K	¥4,300	+6.2%	¥3.1B ($20.2M)
2026-06-05	BUY	unknown	株式会社三井住友銀行	other	21.0K	¥4,300	+6.2%	¥90M ($583K)
2022-12-02	BUY	Market Buy	東日本旅客鉄道株式会社 East Japan Railway Company	strategic	2.8M	¥1,763	+158.9%	¥964M ($6.2M)
2022-11-17	BUY	Market Buy	東日本旅客鉄道株式会社 East Japan Railway Company	strategic	2.2M	¥1,770	+157.9%	¥1.1B ($7.3M)
2022-02-22	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	343.3K	¥1,914	-138.5%	¥330M ($2.1M)
2022-02-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	293.7K	¥1,914	-138.5%	¥189M ($1.2M)
2022-02-21	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	238.7K	¥1,924	-137.3%	¥81M ($525K)
2022-02-21	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	338.3K	¥1,924	-137.3%	¥326M ($2.1M)
2022-02-21	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	79.8K	¥1,924	+137.3%	¥45M ($292K)
2022-02-21	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	2.9K	¥1,924	+137.3%	¥564M ($3.6M)
2021-04-07	SELL	Market Buy	シンプレクス・アセット・マネジメント株式会社 Simplex Asset Management Co., Ltd.	passive	755.9K	¥1,900	-140.3%	¥399M ($2.6M)

Frequently asked questions

Who has been buying Tekken Corporation stock?: 8 distinct investors have filed 4 disclosed large-shareholding filings in Tekken Corporation (1815), most recently on 2022-12-02. 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 Tekken Corporation have?: Tekken Corporation has 4 buy-side and 5 sell-side disclosures on record, covering ¥1.5B ($9.9M) in total reported value, spanning 2021-04-07 to 2022-12-02.
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.