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Max Co., Ltd. 6454

Company
マックス株式会社Max Co., Ltd.
Investors
8
Buys
6
Total Value
¥9.2B ($59.5M)
Avg Return
+112.97%
Last Filing
2026-03-12

Max Co., Ltd. (6454) has 6 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥9.2B ($59.5M) in reported transaction value. The earliest filing StockDrifts holds for Max Co., Ltd. is dated 2022-04-08; the most recent is 2026-03-12. 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 +112.97%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-08-06SELLMarket Buy
第一生命保険株式会社
Daiichi Life Insurance Co., Ltd.
passive13.4M¥1,922+5.2%¥5.3B ($34.2M)
2026-03-12BUYacquisition
バリューアクト・ジャパン・マスター・ファンド・エルピー(ValueAct Japan Master Fund
activist3.4M¥1,717.5+1.4%¥5.9B ($38.2M)
2026-03-12BUYacquisition
バリューアクト・キャピタル・マネジメント・エルピー(ValueAct Capital Management
activist0¥1,717.5+1.4%-
2025-03-24BUYMarket Buy
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other1.0M¥1,107.5+57.2%¥21M ($133K)
2025-03-24BUYMarket Buy
株式会社みずほ銀行
Mizuho Bank, Ltd.
strategic1.8M¥1,107.5+57.2%¥41M ($266K)
2024-12-06SELLunknown
株式会社みずほ銀行
Mizuho Bank, Ltd.
strategic1.8M¥835-108.5%¥361M ($2.3M)
2024-12-06SELLunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other1.0M¥835-108.5%¥194M ($1.3M)
2023-03-15SELLunknown
マックス共栄会第二持株会 理事長 田中 征男
Yukuo Tanaka
unknown0¥529.75-228.7%¥1.6B ($10.1M)
2023-03-15BUYunknown
マックス共栄会第二持株会 理事長 飯島 洋一
Youichi Iijima
strategic3.3M¥529.75+228.7%¥1.8B ($11.3M)
2022-04-08SELLunknown
マックス共栄会第一持株会 理事長 原田 政樹
Masaki Harada
unknown0¥403-332.0%¥1.4B ($9.2M)
2022-04-08BUYunknown
マックス共栄会第一持株会 理事長 堀 隆
Takashi Hori
strategic3.8M¥403+332.0%¥1.5B ($9.9M)
2022-04-08BUYunknown
マックス共栄会第一持株会 理事長 堀 隆
Takashi Hori
strategic3.8M¥403+332.0%¥1.5B ($9.9M)

Frequently asked questions

Who has been buying Max Co., Ltd. stock?
8 distinct investors have filed 6 disclosed large-shareholding filings in Max Co., Ltd. (6454), most recently on 2026-03-12. 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 Max Co., Ltd. have?
Max Co., Ltd. has 6 buy-side and 4 sell-side disclosures on record, covering ¥9.2B ($59.5M) in total reported value, spanning 2022-04-08 to 2026-03-12.
Where does StockDrifts get Max 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 Max Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.