Who has been buying Mitsubishi Steel Mfg. Co., Ltd. stock?

9 distinct investors have filed 20 disclosed large-shareholding filings in Mitsubishi Steel Mfg. Co., Ltd. (5632), most recently on 2025-02-19. 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 Mitsubishi Steel Mfg. Co., Ltd. have?

Mitsubishi Steel Mfg. Co., Ltd. has 20 buy-side and 14 sell-side disclosures on record, covering ¥2.6B ($16.5M) in total reported value, spanning 2021-08-16 to 2025-02-19.

Where does StockDrifts get Mitsubishi Steel Mfg. 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.

Mitsubishi Steel Mfg. Co., Ltd. 5632

Company

三菱製鋼株式会社Mitsubishi Steel Mfg. Co., Ltd.

Investors

Buys

Total Value

¥2.6B ($16.5M)

Avg Return

+41.63%

Last Filing

2025-02-19

Mitsubishi Steel Mfg. Co., Ltd. (5632) has 20 disclosed large-shareholding filings and 14 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥2.6B ($16.5M) in reported transaction value. The earliest filing StockDrifts holds for Mitsubishi Steel Mfg. Co., Ltd. is dated 2021-08-16; the most recent is 2025-02-19. 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 +41.63%, 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
2025-02-19	BUY	Market Buy	明治安田アセットマネジメント株式会社 Meiji Yasuda Asset Management Company Ltd.	passive	71.9K	¥1,675	+9.7%	¥120M ($777K)
2025-02-19	BUY	Market Buy	明治安田生命保険相互会社 Meiji Yasuda Life Insurance Company	passive	715.3K	¥1,675	+9.7%	¥1.2B ($7.7M)
2024-11-18	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	5.1K	¥1,331	+38.1%	¥539M ($3.5M)
2024-11-18	SELL	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	15.6K	¥1,331	-38.1%	¥2M ($13K)
2024-11-18	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	97.3K	¥1,331	+38.1%	¥4M ($27K)
2024-11-18	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	391.5K	¥1,331	-38.1%	¥105M ($675K)
2024-11-18	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	143.1K	¥1,331	+38.1%	¥190M ($1.2M)
2024-07-16	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	94.6K	¥1,510	+21.7%	¥143M ($922K)
2024-07-16	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	469.2K	¥1,510	+21.7%	¥708M ($4.6M)
2024-07-16	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	66.2K	¥1,510	+21.7%	¥100M ($645K)
2024-07-16	BUY	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	16.8K	¥1,510	+21.7%	¥25M ($164K)
2024-07-16	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	143.1K	¥1,510	+21.7%	¥216M ($1.4M)
2024-04-01	SELL	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	14.9K	¥1,444	-27.3%	¥23M ($146K)
2024-04-01	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	322.2K	¥1,444	-27.3%	¥197M ($1.3M)
2024-04-01	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	143.1K	¥1,444	-27.3%	¥104M ($673K)
2024-04-01	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	28.6K	¥1,444	+27.3%	¥9M ($59K)
2024-04-01	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	80.8K	¥1,444	+27.3%	¥9M ($59K)
2023-01-16	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	21.2K	¥1,066	+72.4%	¥23M ($146K)
2023-01-16	BUY	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	29.9K	¥1,066	+72.4%	¥32M ($206K)
2023-01-16	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	74.3K	¥1,066	+72.4%	¥79M ($511K)
2023-01-16	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	214.6K	¥1,066	+72.4%	¥229M ($1.5M)
2023-01-16	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	458.3K	¥1,066	+72.4%	¥489M ($3.2M)
2021-11-30	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	214.6K	¥970	-89.5%	¥207M ($1.3M)
2021-11-30	SELL	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	17.5K	¥970	-89.5%	¥5M ($29K)
2021-11-30	SELL	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	42.3K	¥970	-89.5%	¥58M ($374K)
2021-11-30	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	421.2K	¥970	-89.5%	¥163M ($1.1M)
2021-11-30	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	41.6K	¥970	+89.5%	¥3M ($20K)
2021-11-15	SELL	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	22.6K	¥1,043	-76.2%	¥80M ($518K)
2021-11-15	BUY	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	101.4K	¥1,043	+76.2%	¥64M ($412K)
2021-11-15	SELL	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	37.1K	¥1,043	-76.2%	¥44M ($285K)
2021-11-15	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	589.6K	¥1,043	-76.2%	¥107M ($687K)
2021-11-15	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	429.3K	¥1,043	+76.2%	¥448M ($2.9M)
2021-09-06	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	210.0K	¥1,296	-41.8%	¥171M ($1.1M)
2021-09-06	SELL	unknown	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.	other	448.8K	¥1,296	-41.8%	¥6M ($39K)
2021-08-16	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	99.1K	¥1,495	+22.9%	¥148M ($956K)
2021-08-16	BUY	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	40.6K	¥1,495	+22.9%	¥61M ($392K)
2021-08-16	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	80.6K	¥1,495	+22.9%	¥54M ($349K)
2021-08-16	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	691.5K	¥1,495	+22.9%	¥82M ($530K)
2021-08-16	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	429.3K	¥1,495	+22.9%	¥642M ($4.1M)

Frequently asked questions

Who has been buying Mitsubishi Steel Mfg. Co., Ltd. stock?: 9 distinct investors have filed 20 disclosed large-shareholding filings in Mitsubishi Steel Mfg. Co., Ltd. (5632), most recently on 2025-02-19. 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 Mitsubishi Steel Mfg. Co., Ltd. have?: Mitsubishi Steel Mfg. Co., Ltd. has 20 buy-side and 14 sell-side disclosures on record, covering ¥2.6B ($16.5M) in total reported value, spanning 2021-08-16 to 2025-02-19.
Where does StockDrifts get Mitsubishi Steel Mfg. 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 Mitsubishi Steel Mfg. Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.