Who has been buying Mipox Corporation stock?

20 distinct investors have filed 64 disclosed large-shareholding filings in Mipox Corporation (5381), most recently on 2026-05-11. 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 Mipox Corporation have?

Mipox Corporation has 64 buy-side and 40 sell-side disclosures on record, covering ¥14.9B ($96.4M) in total reported value, spanning 2021-03-22 to 2026-05-11.

Where does StockDrifts get Mipox 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.

Mipox Corporation 5381

Company

マイポックス株式会社Mipox Corporation

Investors

Buys

Total Value

¥14.9B ($96.4M)

Avg Return

+55.50%

Last Filing

2026-05-11

Mipox Corporation (5381) has 64 disclosed large-shareholding filings and 40 disclosed disposals on record, filed by 20 distinct investors. Together those filings cover ¥14.9B ($96.4M) in reported transaction value. The earliest filing StockDrifts holds for Mipox Corporation is dated 2021-03-22; the most recent is 2026-05-11. 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 +55.50%, 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
2026-07-23	SELL	unknown	アセットマネジメントOne株式会社	other	351.0K	¥852	-13.2%	¥16M ($103K)
2026-07-23	BUY	unknown	みずほ証券株式会社	other	470.0K	¥852	+13.2%	¥400M ($2.6M)
2026-07-23	BUY	unknown	みずほ信託銀行株式会社	other	94.7K	¥852	+13.2%	¥81M ($521K)
2026-07-23	BUY	unknown	株式会社みずほ銀行	strategic	460.4K	¥852	+13.2%	¥392M ($2.5M)
2026-05-20	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	12.4K	¥908	+7.0%	¥11M ($73K)
2026-05-20	SELL	unknown	モルガン・スタンレーMUFG証券株式会社	other	681.0K	¥908	-7.0%	¥331M ($2.1M)
2026-05-11	SELL	unknown	日本証券金融株式会社 Japan Securities Finance Co.,Ltd.	other	27.0K	¥1,214	+6.1%	¥877M ($5.7M)
2026-05-08	SELL	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	12.4K	¥1,255	+9.2%	¥87M ($562K)
2026-05-08	SELL	unknown	モルガン・スタンレーMUFG証券株式会社	other	1.0M	¥1,255	+9.2%	¥38M ($246K)
2026-05-08	BUY	unknown	日本証券金融株式会社 Japan Securities Finance Co.,Ltd.	other	749.5K	¥1,255	-9.2%	¥941M ($6.1M)
2026-05-07	SELL	unknown	日本証券金融株式会社 Japan Securities Finance Co.,Ltd.	other	27.0K	¥1,211	+5.9%	¥875M ($5.6M)
2026-04-22	BUY	Market Buy	アセットマネジメントOne株式会社	other	369.3K	¥1,240	-21.7%	¥242M ($1.6M)
2026-04-22	BUY	unknown	みずほ信託銀行株式会社	other	94.7K	¥1,240	-21.7%	¥117M ($758K)
2026-04-22	SELL	unknown	みずほ証券株式会社	other	470.0K	¥1,240	+21.7%	¥5M ($35K)
2026-04-22	BUY	unknown	株式会社みずほ銀行	strategic	460.4K	¥1,240	-21.7%	¥571M ($3.7M)
2026-04-21	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	82.4K	¥1,272	-17.9%	¥105M ($676K)
2026-04-21	BUY	Market Buy	モルガン・スタンレーMUFG証券株式会社	other	1.1M	¥1,272	-17.9%	¥107M ($688K)
2026-04-20	BUY	unknown	日本証券金融株式会社 Japan Securities Finance Co.,Ltd.	other	749.5K	¥1,125	-7.2%	¥843M ($5.4M)
2026-04-07	BUY	unknown	アセットマネジメントOne株式会社	other	175.3K	¥942	+21.1%	¥165M ($1.1M)
2026-04-07	BUY	unknown	みずほ証券株式会社	other	474.4K	¥942	+21.1%	¥4M ($26K)
2026-04-07	BUY	unknown	株式会社みずほ銀行	strategic	460.4K	¥942	+21.1%	¥434M ($2.8M)
2026-04-07	SELL	unknown	みずほ信託銀行株式会社	other	94.7K	¥942	-21.1%	¥83M ($536K)
2026-04-03	SELL	Market Buy	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	82.4K	¥955	-19.5%	¥1M ($9K)
2026-04-03	BUY	Market Buy	モルガン・スタンレーMUFG証券株式会社	other	991.6K	¥955	+19.5%	¥302M ($2.0M)
2026-03-19	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	84.4K	¥990	+13.6%	¥95M ($613K)
2026-03-19	BUY	unknown	モルガン・スタンレーMUFG証券株式会社	other	675.3K	¥990	+13.6%	¥760M ($4.9M)
2026-02-06	SELL	unknown	ユービーエス・エイ・ジー（銀行） UBS AG	other	558.5K	¥725	-55.2%	¥131M ($845K)
2026-01-22	BUY	unknown	UBS Switzerland AG	other	510.0K	¥502	+124.1%	¥574M ($3.7M)
2026-01-22	BUY	unknown	ユービーエス・エイ・ジー(銀行)	other	227.9K	¥502	+124.1%	¥256M ($1.7M)
2025-12-05	BUY	unknown	UBS Switzerland AG	other	510.0K	¥433	-159.8%	¥574M ($3.7M)
2025-12-05	SELL	unknown	ユービーエス・エイ・ジー(銀行)	other	203.4K	¥433	-159.8%	¥229M ($1.5M)
2025-11-21	BUY	Market Buy	UBS Switzerland AG	other	510.0K	¥442	+154.5%	¥225M ($1.5M)
2025-11-21	BUY	Market Buy	ユービーエス・エイ・ジー(銀行) UBS AG	other	242.0K	¥442	+154.5%	¥10M ($66K)
2025-10-22	BUY	unknown	UBS Switzerland AG	other	510.0K	¥484	+132.4%	¥247M ($1.6M)
2025-10-22	BUY	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	218.9K	¥484	+132.4%	¥106M ($684K)
2025-09-05	BUY	unknown	UBS Switzerland AG	other	127.7K	¥453	+148.3%	¥55M ($357K)
2025-09-05	SELL	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	202.6K	¥453	-148.3%	¥21M ($135K)
2025-02-07	BUY	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	248.9K	¥710	+58.5%	¥177M ($1.1M)
2025-02-07	BUY	unknown	UBS Switzerland AG	other	510.0K	¥710	+58.5%	¥362M ($2.3M)
2024-06-21	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	183.3K	¥478	+135.4%	¥77M ($495K)
2024-06-21	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	470.0K	¥478	-135.4%	¥3M ($22K)
2024-06-21	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	460.4K	¥478	+135.4%	¥220M ($1.4M)
2024-04-05	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	23.3K	¥548	+105.3%	¥13M ($82K)
2024-04-05	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	477.6K	¥548	+105.3%	¥262M ($1.7M)
2024-04-05	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	460.4K	¥548	+105.3%	¥252M ($1.6M)
2024-03-05	SELL	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	594.3K	¥585	-92.3%	¥90M ($578K)
2024-01-05	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	747.7K	¥445	+152.8%	¥333M ($2.1M)
2023-12-01	SELL	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	592.9K	¥480	-134.4%	¥71M ($461K)
2023-10-11	BUY	unknown	アルベルト・ビフィナンディ Alberto Biffignandi	strategic	510.0K	¥499	+125.5%	¥16M ($102K)
2023-10-11	BUY	unknown	ビフィナンディ株式会社 BIFFIGNANDI SPA	strategic	560.0K	¥499	+125.5%	¥279M ($1.8M)

Showing the 50 most recent of 158 filings.

Frequently asked questions

Who has been buying Mipox Corporation stock?: 20 distinct investors have filed 64 disclosed large-shareholding filings in Mipox Corporation (5381), most recently on 2026-05-11. 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 Mipox Corporation have?: Mipox Corporation has 64 buy-side and 40 sell-side disclosures on record, covering ¥14.9B ($96.4M) in total reported value, spanning 2021-03-22 to 2026-05-11.
Where does StockDrifts get Mipox 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 Mipox Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.