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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
4
Buys
4
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. 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 -2.28%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-07-03SELLunknown
株式会社イケヤ
activist1.9M¥828+5.9%¥7M ($48K)
2026-07-03SELLnegotiated
池谷保彦
activist479.0K¥828+5.9%¥2M ($12K)
2024-07-04SELLnegotiated
株式会社イケヤ
IKEA Co., Ltd.
activist1.9M¥898+5.9%¥28M ($180K)
2024-07-04SELLMarket Buy
株式会社イケヤ
IKEA Co., Ltd.
activist1.9M¥898+5.9%¥28M ($180K)
2024-07-04BUYMarket Buy
池谷保彦
yasuhiko ikeya
activist478.7K¥898-5.9%¥42M ($269K)
2024-07-04BUYnegotiated
池谷保彦
yasuhiko ikeya
activist478.7K¥898-5.9%¥42M ($269K)
2023-08-16SELLMarket Buy
株式会社エム・ケー
MK Co., Ltd.
activist2.2M¥743-13.7%¥10M ($63K)
2023-08-16BUYMarket Buy
栗原 勝
masaru kuribara
activist116.5K¥743+13.7%¥10M ($63K)
2021-11-24BUYunknown
株式会社エム・ケー
MK Co., Ltd.
activist2.2M¥952-11.2%¥2.1B ($13.5M)
2021-11-24BUYunknown
株式会社エム・ケー
MK Co., Ltd.
activist2.2M¥952-11.2%¥2.1B ($13.5M)
2021-11-24BUYunknown
株式会社エム・ケー
MK Co., Ltd.
activist2.2M¥952-11.2%¥2.1B ($13.5M)
2021-11-24BUYunknown
栗原 勝
masaru kuribara
activist103.5K¥952-11.2%¥99M ($636K)
2021-11-24BUYunknown
栗原 勝
masaru kuribara
activist103.5K¥952-11.2%¥99M ($636K)
2021-11-24BUYunknown
栗原 勝
masaru kuribara
activist103.5K¥952-11.2%¥99M ($636K)
2021-11-22SELLunknown
栗原 勝
masaru kuribara
activist103.1K¥950+11.1%¥10M ($67K)
2021-11-22BUYunknown
株式会社エム・ケー
MK Co., Ltd.
activist2.2M¥950-11.1%¥2.1B ($13.3M)
2021-10-20SELLnegotiated
株式会社イケヤ
IKEA Co., Ltd.
activist1.9M¥897+5.8%¥207M ($1.3M)
2021-10-20SELLnegotiated
池谷保彦
yasuhiko ikeya
activist424.2K¥897+5.8%¥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.
Where does StockDrifts get Medius Holdings 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 Medius Holdings Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.