Who has been buying Mikuni Corporation stock?

8 distinct investors have filed 6 disclosed large-shareholding filings in Mikuni Corporation (7247), most recently on 2026-04-02. 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 Mikuni Corporation have?

Mikuni Corporation has 6 buy-side and 4 sell-side disclosures on record, covering ¥1.3B ($8.4M) in total reported value, spanning 2021-10-22 to 2026-04-02.

Where does StockDrifts get Mikuni 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.

Mikuni Corporation 7247

Company

株式会社ミクニMikuni Corporation

Investors

Buys

Total Value

¥1.3B ($8.4M)

Avg Return

+5.61%

Last Filing

2026-04-02

Mikuni Corporation (7247) has 6 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥1.3B ($8.4M) in reported transaction value. The earliest filing StockDrifts holds for Mikuni Corporation is dated 2021-10-22; the most recent is 2026-04-02. 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 +5.61%, 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
2026-04-02	BUY	unknown	風の会持株会理事長塩井健治 Sioi Kenji	unknown	0	¥404	-12.4%	¥827M ($5.3M)
2026-04-02	BUY	unknown	風の会持株会理事長松本康史 Matsumoto Kouji	strategic	2.1M	¥404	-12.4%	¥830M ($5.4M)
2026-04-02	BUY	unknown	風の会持株会理事長松本康史 Matsumoto Kouji	strategic	2.1M	¥404	-12.4%	¥830M ($5.4M)
2026-04-02	SELL	unknown	風の会持株会理事長塩井健治 Sjioi Kenji	unknown	0	¥404	+12.4%	-
2025-08-01	BUY	Market Buy	風の会持株会理事長塩井健治 Shioi Kenji	strategic	2.0M	¥302	+34.1%	¥103M ($663K)
2024-02-21	SELL	negotiated	りそなアセットマネジメント株式会社 Resona Asset Management Co., Ltd.	other	188.4K	¥459	+11.8%	¥125M ($807K)
2024-02-21	SELL	negotiated	株式会社りそな銀行 Resona Bank, Limited.	strategic	1.8M	¥459	+11.8%	¥36M ($232K)
2023-09-19	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	7.5K	¥512	-20.9%	¥298M ($1.9M)
2023-09-19	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	91.5K	¥512	-20.9%	¥47M ($302K)
2023-09-19	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	169.7K	¥512	+20.9%	¥141M ($911K)
2023-09-19	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.1M	¥512	-20.9%	¥583M ($3.8M)
2022-04-06	BUY	Market Buy	りそなアセットマネジメント株式会社 Resona Asset Management Co., Ltd.	other	458.0K	¥395	+2.5%	¥70M ($451K)
2022-04-06	BUY	Market Buy	株式会社りそな銀行 Resona Bank, Limited.	strategic	1.9M	¥395	+2.5%	¥67M ($434K)
2021-10-22	BUY	unknown	風の会持株会理事長塩井健治 kenji shioi	strategic	1.7M	¥317	+27.8%	¥541M ($3.5M)
2021-10-22	BUY	unknown	風の会持株会理事長塩井健治 kenji shioi	strategic	1.7M	¥317	+27.8%	¥541M ($3.5M)

Frequently asked questions

Who has been buying Mikuni Corporation stock?: 8 distinct investors have filed 6 disclosed large-shareholding filings in Mikuni Corporation (7247), most recently on 2026-04-02. 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 Mikuni Corporation have?: Mikuni Corporation has 6 buy-side and 4 sell-side disclosures on record, covering ¥1.3B ($8.4M) in total reported value, spanning 2021-10-22 to 2026-04-02.
Where does StockDrifts get Mikuni 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 Mikuni Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.