Who has been buying Miahelsa Holdings Corporation stock?

5 distinct investors have filed 5 disclosed large-shareholding filings in Miahelsa Holdings Corporation (7129), most recently on 2026-01-06. 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 Miahelsa Holdings Corporation have?

Miahelsa Holdings Corporation has 5 buy-side and 19 sell-side disclosures on record, covering ¥1.1B ($6.9M) in total reported value, spanning 2021-12-03 to 2026-01-06.

Where does StockDrifts get Miahelsa Holdings 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.

Miahelsa Holdings Corporation 7129

Company

ミアヘルサホールディングス株式会社Miahelsa Holdings Corporation

Investors

Buys

Total Value

¥1.1B ($6.9M)

Avg Return

+6.31%

Last Filing

2026-01-06

Miahelsa Holdings Corporation (7129) has 5 disclosed large-shareholding filings and 19 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥1.1B ($6.9M) in reported transaction value. The earliest filing StockDrifts holds for Miahelsa Holdings Corporation is dated 2021-12-03; the most recent is 2026-01-06. 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 +6.31%, 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
2026-01-06	SELL	unknown	青木文恵	activist	60.0K	¥1,154	+0.9%	¥69M ($443K)
2026-01-06	BUY	unknown	一般社団法人ブルーツリー Blue Tree,G.I.A	strategic	547.0K	¥1,154	-0.9%	¥631M ($4.1M)
2026-01-06	SELL	unknown	株式会社スリーユ	activist	836.1K	¥1,154	+0.9%	¥956M ($6.2M)
2026-01-06	SELL	unknown	青木勇	other	0	¥1,154	+0.9%	-
2025-02-25	SELL	Market Buy	マイルストーン・キャピタル・マネジメント株式会社 Milestone Capital Management,Ltd.	passive	118.0K	¥1,105	-3.5%	¥28M ($179K)
2025-01-23	SELL	Market Buy	マイルストーン・キャピタル・マネジメント株式会社 Milestone Capital Management,Ltd.	passive	143.7K	¥1,104	-3.6%	¥32M ($203K)
2024-10-04	SELL	Market Buy	マイルストーン・キャピタル・マネジメント株式会社 Milestone Capital Management,Ltd.	passive	173.0K	¥1,104	-3.6%	¥12M ($80K)
2024-09-30	SELL	Market Buy	マイルストーン・キャピタル・マネジメント株式会社 Milestone Capital Management,Ltd.	passive	184.8K	¥1,100	-4.0%	¥36M ($235K)
2024-09-09	SELL	Market Buy	マイルストーン・キャピタル・マネジメント株式会社 Milestone Capital Management,Ltd.	passive	220.0K	¥1,173	+2.5%	¥21M ($137K)
2024-08-26	SELL	Market Buy	マイルストーン・キャピタル・マネジメント株式会社 Milestone Capital Management,Ltd.	passive	239.3K	¥1,200	+4.7%	¥32M ($204K)
2024-07-23	SELL	Market Buy	マイルストーン・キャピタル・マネジメント株式会社 Milestone Capital Management,Ltd.	passive	267.7K	¥1,212	+5.6%	¥31M ($200K)
2024-07-08	SELL	Market Buy	マイルストーン・キャピタル・マネジメント株式会社 Milestone Capital Management,Ltd.	passive	295.4K	¥1,072	-6.7%	¥19M ($120K)
2024-02-15	SELL	Market Buy	マイルストーン・キャピタル・マネジメント株式会社 Milestone Capital Management,Ltd.	passive	314.4K	¥1,019	-12.3%	¥28M ($178K)
2023-09-07	BUY	Market Buy	マイルストーン・キャピタル・マネジメント株式会社 Milestone Capital Management,Ltd.	passive	344.0K	¥1,090	+5.0%	¥375M ($2.4M)
2023-08-28	BUY	unknown	青木勇 Aoki Isamu	strategic	547.0K	¥1,080	+5.9%	¥591M ($3.8M)
2023-08-28	BUY	unknown	青木文恵 Fumie Aoki	activist	60.0K	¥1,080	+5.9%	¥65M ($418K)
2023-08-28	BUY	unknown	株式会社スリーユ Threeyu Co., Ltd.	activist	836.1K	¥1,080	+5.9%	¥903M ($5.8M)
2023-06-09	BUY	unknown	青木文恵 Fumie Aoki	activist	60.0K	¥1,005	+13.8%	¥60M ($389K)
2023-06-09	BUY	unknown	株式会社スリーユ Threeyu Co., Ltd.	activist	836.1K	¥1,005	+13.8%	¥840M ($5.4M)
2023-06-09	SELL	unknown	青木勇 Aoki Isamu	strategic	547.0K	¥1,005	-13.8%	¥22M ($142K)
2023-03-13	BUY	unknown	青木文恵 Fumie Aoki	activist	60.0K	¥1,002	+14.2%	¥60M ($388K)
2023-03-13	BUY	unknown	株式会社スリーユ Threeyu Co., Ltd.	activist	836.1K	¥1,002	+14.2%	¥838M ($5.4M)
2023-03-13	SELL	unknown	青木勇 Aoki Isamu	strategic	569.0K	¥1,002	-14.2%	¥32M ($208K)
2023-03-13	BUY	unknown	株式会社スリーユ Threeyu Co., Ltd.	activist	836.1K	¥1,002	+14.2%	¥838M ($5.4M)
2023-03-13	BUY	unknown	青木文恵 Fumie Aoki	activist	60.0K	¥1,002	+14.2%	¥60M ($388K)
2023-03-13	SELL	unknown	青木勇 Aoki Isamu	strategic	569.0K	¥1,002	-14.2%	¥32M ($208K)
2022-12-05	BUY	unknown	青木勇 Aoki Isamu	strategic	601.0K	¥1,015	+12.7%	¥610M ($3.9M)
2022-12-05	SELL	unknown	青木勇 Aoki Isamu	strategic	601.0K	¥1,015	-12.7%	¥18M ($114K)
2022-12-05	BUY	unknown	青木勇 Aoki Isamu	strategic	601.0K	¥1,015	+12.7%	¥610M ($3.9M)
2022-12-05	BUY	unknown	青木文恵 Fumie Aoki	activist	60.0K	¥1,015	+12.7%	¥61M ($393K)
2022-12-05	BUY	unknown	株式会社スリーユ Threeyu Co., Ltd.	activist	836.1K	¥1,015	+12.7%	¥849M ($5.5M)
2022-12-05	BUY	unknown	青木文恵 Fumie Aoki	activist	60.0K	¥1,015	+12.7%	¥61M ($393K)
2022-12-05	BUY	unknown	株式会社スリーユ Threeyu Co., Ltd.	activist	836.1K	¥1,015	+12.7%	¥849M ($5.5M)
2022-12-05	BUY	unknown	青木文恵 Fumie Aoki	activist	60.0K	¥1,015	+12.7%	¥61M ($393K)
2022-12-05	BUY	unknown	株式会社スリーユ Threeyu Co., Ltd.	activist	836.1K	¥1,015	+12.7%	¥849M ($5.5M)
2022-12-05	BUY	unknown	青木文恵 Fumie Aoki	activist	60.0K	¥1,015	+12.7%	¥61M ($393K)
2022-12-05	BUY	unknown	株式会社スリーユ Threeyu Co., Ltd.	activist	836.1K	¥1,015	+12.7%	¥849M ($5.5M)
2022-12-05	SELL	unknown	青木勇 Aoki Isamu	strategic	601.0K	¥1,015	-12.7%	¥18M ($114K)
2022-09-14	BUY	unknown	青木文恵 Fumie Aoki	activist	60.0K	¥1,127	+1.5%	¥68M ($436K)
2022-09-14	SELL	unknown	株式会社スリーユ Threeyu Co., Ltd.	activist	836.1K	¥1,127	-1.5%	¥1M ($7K)
2022-09-14	SELL	unknown	青木勇 Aoki Isamu	strategic	618.4K	¥1,127	-1.5%	¥34M ($221K)
2021-12-03	BUY	unknown	青木勇 Aoki Isamu	strategic	647.9K	¥1,048	+9.2%	¥679M ($4.4M)
2021-12-03	BUY	unknown	青木文恵 Fumie Aoki	activist	60.0K	¥1,048	+9.2%	¥63M ($406K)
2021-12-03	BUY	unknown	株式会社スリーユ Threeyu Co., Ltd.	activist	836.1K	¥1,048	+9.2%	¥876M ($5.7M)
2021-12-03	BUY	unknown	青木文恵 Fumie Aoki	activist	60.0K	¥1,048	+9.2%	¥63M ($406K)
2021-12-03	BUY	unknown	株式会社スリーユ Threeyu Co., Ltd.	activist	836.1K	¥1,048	+9.2%	¥876M ($5.7M)
2021-12-03	BUY	unknown	青木勇 Aoki Isamu	strategic	647.9K	¥1,048	+9.2%	¥679M ($4.4M)

Frequently asked questions

Who has been buying Miahelsa Holdings Corporation stock?: 5 distinct investors have filed 5 disclosed large-shareholding filings in Miahelsa Holdings Corporation (7129), most recently on 2026-01-06. 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 Miahelsa Holdings Corporation have?: Miahelsa Holdings Corporation has 5 buy-side and 19 sell-side disclosures on record, covering ¥1.1B ($6.9M) in total reported value, spanning 2021-12-03 to 2026-01-06.
Where does StockDrifts get Miahelsa Holdings 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 Miahelsa Holdings Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.