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Tekken Corporation 1815

Company
鉄建建設株式会社Tekken Corporation
Investors
8
Buys
4
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. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). 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

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-06-05BUYunknown
株式会社 三井住友銀行
other21.0K¥4,300+3.7%¥90M ($583K)
2026-06-05BUYMarket Buy
三井住友DSアセットマネジメント株式会社
passive729.7K¥4,300+3.7%¥3.1B ($20.2M)
2022-12-02BUYMarket Buy
東日本旅客鉄道株式会社
East Japan Railway Company
strategic2.8M¥1,763+170.8%¥964M ($6.2M)
2022-11-17BUYMarket Buy
東日本旅客鉄道株式会社
East Japan Railway Company
strategic2.2M¥1,770+169.8%¥1.1B ($7.3M)
2022-02-22SELLunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other293.7K¥1,914-149.5%¥189M ($1.2M)
2022-02-22SELLunknown
株式会社みずほ銀行
Mizuho Bank, Ltd.
strategic343.3K¥1,914-149.5%¥330M ($2.1M)
2022-02-21BUYnegotiated
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.
other2.9K¥1,924+148.2%¥564M ($3.6M)
2022-02-21BUYnegotiated
三菱UFJ国際投信株式会社
Mitsubishi UFJ Financial Group Inc.
passive79.8K¥1,924+148.2%¥45M ($292K)
2022-02-21SELLnegotiated
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive238.7K¥1,924-148.2%¥81M ($525K)
2022-02-21SELLnegotiated
株式会社三菱UFJ銀行
Mitsubishi UFJ Financial Group Inc.
strategic338.3K¥1,924-148.2%¥326M ($2.1M)
2021-04-07SELLMarket 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.
passive755.9K¥1,900-151.3%¥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.
Where does StockDrifts get Tekken Corporation insider data?
From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
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.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for Tekken Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.