Who has been buying Medius Holdings Co., Ltd. stock?

4 distinct investors have filed 4 disclosed large-shareholding filings in Medius Holdings Co., Ltd. (3154), most recently on 2024-07-04. 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 Medius Holdings Co., Ltd. have?

Medius Holdings Co., Ltd. has 4 buy-side and 6 sell-side disclosures on record, covering ¥2.2B ($13.9M) in total reported value, spanning 2021-10-20 to 2024-07-04.

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.

Medius Holdings Co., Ltd. 3154

Company

メディアスホールディングス株式会社Medius Holdings Co., Ltd.

Investors

Buys

Total Value

¥2.2B ($13.9M)

Avg Return

-2.28%

Last Filing

2024-07-04

Medius Holdings Co., Ltd. (3154) has 4 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥2.2B ($13.9M) in reported transaction value. The earliest filing StockDrifts holds for Medius Holdings Co., Ltd. is dated 2021-10-20; the most recent is 2024-07-04. Across these filings the average return since disclosure is -2.28%, 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
2026-07-03	SELL	negotiated	池谷保彦	activist	479.0K	¥828	+3.6%	¥2M ($12K)
2026-07-03	SELL	unknown	株式会社イケヤ	activist	1.9M	¥828	+3.6%	¥7M ($48K)
2024-07-04	BUY	negotiated	池谷保彦 yasuhiko ikeya	activist	478.7K	¥898	-11.1%	¥42M ($269K)
2024-07-04	BUY	Market Buy	池谷保彦 yasuhiko ikeya	activist	478.7K	¥898	-11.1%	¥42M ($269K)
2024-07-04	SELL	Market Buy	株式会社イケヤ IKEA Co., Ltd.	activist	1.9M	¥898	+11.1%	¥28M ($180K)
2024-07-04	SELL	negotiated	株式会社イケヤ IKEA Co., Ltd.	activist	1.9M	¥898	+11.1%	¥28M ($180K)
2023-08-16	BUY	Market Buy	栗原勝 masaru kuribara	activist	116.5K	¥743	+7.4%	¥10M ($63K)
2023-08-16	SELL	Market Buy	株式会社エム・ケー MK Co., Ltd.	activist	2.2M	¥743	-7.4%	¥10M ($63K)
2021-11-24	BUY	unknown	栗原勝 masaru kuribara	activist	103.5K	¥952	-	-
2021-11-24	BUY	unknown	栗原勝 masaru kuribara	activist	103.5K	¥952	-	-
2021-11-24	BUY	unknown	栗原勝 masaru kuribara	activist	103.5K	¥952	-	-
2021-11-24	BUY	unknown	株式会社エム・ケー MK Co., Ltd.	activist	2.2M	¥952	-	-
2021-11-24	BUY	unknown	株式会社エム・ケー MK Co., Ltd.	activist	2.2M	¥952	-	-
2021-11-24	BUY	unknown	株式会社エム・ケー MK Co., Ltd.	activist	2.2M	¥952	-	-
2021-11-22	SELL	unknown	栗原勝 masaru kuribara	activist	103.1K	¥950	+16.0%	¥10M ($67K)
2021-11-22	BUY	unknown	株式会社エム・ケー MK Co., Ltd.	activist	2.2M	¥950	-16.0%	¥2.1B ($13.3M)
2021-10-20	SELL	negotiated	株式会社イケヤ IKEA Co., Ltd.	activist	1.9M	¥897	+11.0%	¥207M ($1.3M)
2021-10-20	SELL	negotiated	池谷保彦 yasuhiko ikeya	activist	424.2K	¥897	+11.0%	¥43M ($277K)

Frequently asked questions

Who has been buying Medius Holdings Co., Ltd. stock?: 4 distinct investors have filed 4 disclosed large-shareholding filings in Medius Holdings Co., Ltd. (3154), most recently on 2024-07-04. 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 Medius Holdings Co., Ltd. have?: Medius Holdings Co., Ltd. has 4 buy-side and 6 sell-side disclosures on record, covering ¥2.2B ($13.9M) in total reported value, spanning 2021-10-20 to 2024-07-04.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.