Who has been buying Medikit Co.,Ltd. stock?

7 distinct investors have filed 19 disclosed large-shareholding filings in Medikit Co.,Ltd. (7749), most recently on 2025-08-26. 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 Medikit Co.,Ltd. have?

Medikit Co.,Ltd. has 19 buy-side and 4 sell-side disclosures on record, covering ¥24.6B ($158.8M) in total reported value, spanning 2021-05-25 to 2025-08-26.

Where does StockDrifts get Medikit 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.

Medikit Co.,Ltd. 7749

Company

メディキット株式会社Medikit Co.,Ltd.

Investors

Buys

Total Value

¥24.6B ($158.8M)

Avg Return

+7.92%

Last Filing

2025-08-26

Medikit Co.,Ltd. (7749) has 19 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥24.6B ($158.8M) in reported transaction value. The earliest filing StockDrifts holds for Medikit Co.,Ltd. is dated 2021-05-25; the most recent is 2025-08-26. 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 +7.92%, 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	エフアイエーエムエルエルシー FIAM LLC	other	58.6K	¥2,805	-2.0%	¥31M ($201K)
2026-07-23	BUY	unknown	エフエムアールインベストメントマネジメントユーケーリミテッドLimited) FMR Investment Management (UK	other	917.8K	¥2,805	+2.0%	¥2.6B ($16.6M)
2026-06-10	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	69.1K	¥2,786	+1.0%	¥124M ($799K)
2026-06-10	BUY	Market Buy	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	959.3K	¥2,786	+1.0%	¥509M ($3.3M)
2026-06-09	BUY	unknown	エフアイエーエムエルエルシー FIAM LLC	other	28.6K	¥2,784	+1.0%	¥80M ($514K)
2026-06-09	BUY	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	873.6K	¥2,784	+1.0%	¥2.4B ($15.7M)
2025-08-26	BUY	Market Buy	株式会社ナカジマコーポレーション Nakajima Corporation Co., Ltd.	strategic	5.9M	¥2,525	+17.6%	¥1.4B ($9.0M)
2025-08-26	SELL	Market Buy	中島崇 Takashi Nakajima	activist	567.4K	¥2,525	-17.6%	¥1.4B ($8.9M)
2025-07-22	BUY	Market Buy	株式会社ナカジマコーポレーション Nakajima Corporation Co., Ltd.	strategic	5.3M	¥2,550	+16.5%	¥1.5B ($9.9M)
2025-07-22	BUY	Market Buy	中島崇 Takashi Nakajima	activist	1.1M	¥2,550	+16.5%	¥923M ($6.0M)
2025-03-07	BUY	Market Buy	株式会社ヴァレックス・パートナーズ VARECS Partners Limited	activist	2.3M	¥2,576	+15.3%	¥601M ($3.9M)
2025-03-07	BUY	Market Buy	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.0M	¥2,576	+15.3%	¥585M ($3.8M)
2024-11-07	BUY	Market Buy	株式会社ナカジマコーポレーション Nakajima Corporation Co., Ltd.	strategic	5.3M	¥2,850	+4.2%	¥15.2B ($98.1M)
2024-11-07	BUY	Market Buy	中島崇 Takashi Nakajima	activist	847.2K	¥2,850	+4.2%	¥5M ($33K)
2024-05-22	SELL	Market Buy	中島弘明(相続人代表中島崇) Hiroaki Nakajima (Heir Representative Takashi Nakajima)	unknown	0	¥2,770	-7.2%	¥1.5B ($9.6M)
2024-05-22	BUY	Market Buy	株式会社ナカジマコーポレーション Nakajima Corporation Co., Ltd.	strategic	5.3M	¥2,770	+7.2%	¥783M ($5.0M)
2024-05-22	BUY	Market Buy	中島崇 Takashi Nakajima	activist	845.0K	¥2,770	+7.2%	¥867M ($5.6M)
2024-05-22	BUY	Market Buy	中島弘子 Hiroko Nakajima	strategic	540.0K	¥2,770	+7.2%	¥79M ($511K)
2024-04-05	BUY	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	902.2K	¥2,939	+1.1%	¥2.7B ($17.1M)
2024-03-06	BUY	Market Buy	株式会社ヴァレックス・パートナーズ VARECS Partners Limited	activist	2.3M	¥3,060	-2.9%	¥596M ($3.8M)
2024-02-07	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	873.6K	¥3,030	+2.0%	¥841M ($5.4M)
2024-02-02	BUY	negotiated	株式会社ナカジマコーポレーション Nakajima Corporation Co., Ltd.	strategic	5.3M	¥3,015	-1.5%	¥15.9B ($102.4M)
2024-02-02	BUY	negotiated	中島崇 Takashi Nakajima	activist	563.0K	¥3,015	-1.5%	¥1.7B ($11.0M)
2024-01-15	BUY	Market Buy	中島崇 Takashi Nakajima	activist	563.0K	¥3,095	-4.0%	¥6M ($38K)
2024-01-15	BUY	Market Buy	株式会社ナカジマコーポレーション Nakajima Corporation Co., Ltd.	strategic	7.3M	¥3,095	-4.0%	¥22.7B ($146.5M)
2024-01-11	SELL	unknown	ユナイテッド・マネージャーズ・ジャパン株式会社 United Managers Japan Inc.	unknown	0	¥3,080	+3.6%	¥3.4B ($22.2M)
2024-01-11	BUY	Market Buy	株式会社ヴァレックス・パートナーズ VARECS Partners Limited	activist	2.2M	¥3,080	-3.6%	¥3.8B ($24.8M)
2023-05-26	BUY	negotiated	中島崇 Takashi Nakajima	activist	561.5K	¥2,466	+20.4%	¥1.4B ($8.9M)
2023-05-26	BUY	unknown	中島弘明 Hiroaki Nakajima	strategic	564.0K	¥2,466	+20.4%	¥1.4B ($8.7M)
2023-05-26	BUY	unknown	中島弘子 Hiroko Nakajima	strategic	540.0K	¥2,466	+20.4%	¥1.3B ($8.6M)
2023-05-26	BUY	negotiated	株式会社ナカジマコーポレーション Nakajima Corporation Co., Ltd.	strategic	7.3M	¥2,466	+20.4%	¥2.5B ($16.4M)
2022-11-21	BUY	Market Buy	ユナイテッド・マネージャーズ・ジャパン株式会社 United Managers Japan Inc.	activist	1.1M	¥2,348	+26.5%	¥403M ($2.6M)
2021-07-19	BUY	Market Buy	株式会社ヴァレックス・パートナーズ VARECS Partners Limited	activist	944.2K	¥3,230	-8.1%	¥3.0B ($19.7M)
2021-05-25	BUY	Market Buy	ユナイテッド・マネージャーズ・ジャパン株式会社 United Managers Japan Inc.	activist	946.7K	¥3,120	-4.8%	¥3.0B ($19.1M)

Frequently asked questions

Who has been buying Medikit Co.,Ltd. stock?: 7 distinct investors have filed 19 disclosed large-shareholding filings in Medikit Co.,Ltd. (7749), most recently on 2025-08-26. 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 Medikit Co.,Ltd. have?: Medikit Co.,Ltd. has 19 buy-side and 4 sell-side disclosures on record, covering ¥24.6B ($158.8M) in total reported value, spanning 2021-05-25 to 2025-08-26.
Where does StockDrifts get Medikit 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 Medikit Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.