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Tokyo Tekko Co., Ltd. 5445

Company
東京鐵鋼株式会社Tokyo Tekko Co., Ltd.
Investors
16
Buys
38
Total Value
¥4.3B ($28.0M)
Avg Return
+138.88%
Last Filing
2026-04-22

Tokyo Tekko Co., Ltd. (5445) has 38 disclosed large-shareholding filings and 35 disclosed disposals on record, filed by 16 distinct investors. Together those filings cover ¥4.3B ($28.0M) in reported transaction value. The earliest filing StockDrifts holds for Tokyo Tekko Co., Ltd. is dated 2021-03-19; the most recent is 2026-04-22. 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 +138.88%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-04-22BUYMarket Buy
SMBC日興証券株式会社
other230.5K¥1,842+0.5%¥75M ($482K)
2026-04-22BUYMarket Buy
株式会社 三井住友銀行
other1.3M¥1,842+0.5%¥229M ($1.5M)
2026-04-22BUYMarket Buy
三井住友DSアセットマネジメント株式会社
passive404.2K¥1,842+0.5%¥745M ($4.8M)
2026-03-06BUYunknown
株式会社 三井住友銀行
other423.6K¥2,076.67-7.5%¥814M ($5.2M)
2026-03-06BUYunknown
SMBC日興証券株式会社
other70.6K¥2,076.67-7.5%¥136M ($875K)
2026-03-05SELLnegotiated
アモーヴァ・アセットマネジメント株式会社
other122.9K¥2,066.67+7.0%¥236M ($1.5M)
2026-03-05SELLnegotiated
三井住友トラスト・アセットマネジメント株式会社
other204.2K¥2,066.67+7.0%¥392M ($2.5M)
2026-03-05BUYnegotiated
三井住友信託銀行株式会社
strategic93.6K¥2,066.67+7.0%¥180M ($1.2M)
2025-09-19SELLnegotiated
アモーヴァ・アセットマネジメント株式会社
Amova Asset Management Co., Ltd.
other130.9K¥1,983.33+3.1%¥11M ($72K)
2025-09-19SELLnegotiated
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
other251.8K¥1,983.33+3.1%¥2M ($12K)
2025-09-19BUYnegotiated
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic93.6K¥1,983.33-3.1%¥186M ($1.2M)
2025-08-26BUYunknown
朝日工業株式会社
Asahi Industries Co., Ltd.
other186.0K¥1,980-3.0%¥368M ($2.4M)
2025-08-26BUYunknown
合同製鐵株式会社
Godo Steel Co., Ltd.
other460.0K¥1,980-3.0%¥911M ($5.9M)
2025-05-21SELLMarket Buy
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
other253.0K¥1,800-6.7%¥3M ($22K)
2025-05-21BUYMarket Buy
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other136.5K¥1,800+6.7%¥7M ($44K)
2025-05-21BUYMarket Buy
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic93.6K¥1,800+6.7%¥168M ($1.1M)
2025-04-22BUYunknown
株式会社 三井住友銀行
Sumitomo Mitsui Banking Corporation
other436.8K¥1,883.33+2.0%¥823M ($5.3M)
2025-04-22SELLunknown
SMBC日興証券株式会社
SMBC Nikko Securities Inc.
other15.6K¥1,883.33-2.0%¥314M ($2.0M)
2025-04-21SELLMarket Buy
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive185.4K¥1,886.67-1.8%¥124M ($798K)
2025-04-21SELLnegotiated
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other132.7K¥1,886.67-1.8%¥5M ($34K)
2025-04-21BUYnegotiated
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
other254.9K¥1,886.67+1.8%¥481M ($3.1M)
2025-04-21SELLMarket Buy
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive198.5K¥1,886.67-1.8%¥60M ($388K)
2025-04-21BUYnegotiated
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic93.6K¥1,886.67+1.8%¥177M ($1.1M)
2025-03-07BUYMarket Buy
株式会社 三井住友銀行
Sumitomo Mitsui Banking Corporation
other436.8K¥2,070-7.2%¥904M ($5.8M)
2025-03-07BUYMarket Buy
SMBC日興証券株式会社
SMBC Nikko Securities Inc.
other182.6K¥2,070-7.2%¥250M ($1.6M)
2025-03-06SELLnegotiated
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other135.7K¥2,073.33+7.3%¥31M ($200K)
2025-03-06SELLnegotiated
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
other254.8K¥2,073.33+7.3%¥118M ($764K)
2025-03-06BUYnegotiated
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic93.6K¥2,073.33-7.3%¥194M ($1.3M)
2025-01-20BUYMarket Buy
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive251.1K¥2,036.67-5.7%¥511M ($3.3M)
2025-01-20BUYMarket Buy
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive230.2K¥2,036.67-5.7%¥469M ($3.0M)
2024-11-22BUYunknown
株式会社 三井住友銀行
Sumitomo Mitsui Banking Corporation
other436.8K¥2,193.33-12.4%¥958M ($6.2M)
2024-11-22BUYunknown
SMBC日興証券株式会社
SMBC Nikko Securities Inc.
other61.7K¥2,193.33-12.4%¥135M ($873K)
2024-05-09SELLunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other338.1K¥1,680-14.3%¥288M ($1.9M)
2024-05-09SELLunknown
株式会社 三井住友銀行
Sumitomo Mitsui Banking Corporation
other441.8K¥1,680-14.3%¥13M ($81K)
2024-05-09SELLunknown
SMBC日興証券株式会社
SMBC Nikko Securities Inc.
other10.3K¥1,680-14.3%¥145M ($934K)
2024-04-15SELLMarket Buy
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive96.1K¥1,635-17.5%¥6M ($40K)
2024-04-15SELLMarket Buy
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive278.3K¥1,635-17.5%¥20M ($128K)
2024-04-15BUYMarket Buy
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.
other3.4K¥1,635+17.5%¥421M ($2.7M)
2024-04-05BUYunknown
株式会社 三井住友銀行
Sumitomo Mitsui Banking Corporation
other449.9K¥1,638.33+17.3%¥737M ($4.8M)
2024-04-05SELLunknown
SMBC日興証券株式会社
SMBC Nikko Securities Inc.
other96.8K¥1,638.33-17.3%¥344M ($2.2M)
2024-04-04BUYnegotiated
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other151.2K¥1,660+15.7%¥8M ($50K)
2024-04-04SELLnegotiated
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
other311.9K¥1,660-15.7%¥76M ($491K)
2024-04-04BUYnegotiated
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic93.6K¥1,660+15.7%¥155M ($1.0M)
2024-03-18BUYMarket Buy
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.
other116.7K¥1,783.33+7.7%¥208M ($1.3M)
2024-03-18BUYMarket Buy
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive100.4K¥1,783.33+7.7%¥179M ($1.2M)
2024-03-18BUYMarket Buy
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive290.0K¥1,783.33+7.7%¥517M ($3.3M)
2023-12-22BUYMarket Buy
株式会社 三井住友銀行
Sumitomo Mitsui Banking Corporation
other449.9K¥1,311.67+46.5%¥590M ($3.8M)
2023-12-22BUYMarket Buy
SMBC日興証券株式会社
SMBC Nikko Securities Inc.
other305.8K¥1,311.67+46.5%¥165M ($1.1M)
2023-12-07SELLunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other509.6K¥1,295-48.3%¥284M ($1.8M)
2023-11-22SELLunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other728.8K¥1,241.67-54.7%¥258M ($1.7M)

Showing the 50 most recent of 97 filings.

Frequently asked questions

Who has been buying Tokyo Tekko Co., Ltd. stock?
16 distinct investors have filed 38 disclosed large-shareholding filings in Tokyo Tekko Co., Ltd. (5445), most recently on 2026-04-22. 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 Tokyo Tekko Co., Ltd. have?
Tokyo Tekko Co., Ltd. has 38 buy-side and 35 sell-side disclosures on record, covering ¥4.3B ($28.0M) in total reported value, spanning 2021-03-19 to 2026-04-22.
Where does StockDrifts get Tokyo Tekko Co., Ltd. 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 Tokyo Tekko Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.