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Acmos Inc. 6888

Company
アクモス株式会社Acmos Inc.
Investors
4
Buys
7
Total Value
¥604M ($3.9M)
Avg Return
+19.78%
Last Filing
2025-09-29

Acmos Inc. (6888) has 7 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥604M ($3.9M) in reported transaction value. The earliest filing StockDrifts holds for Acmos Inc. is dated 2022-11-17; the most recent is 2025-09-29. 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 +19.78%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-09-29BUYMarket Buy
株式会社UH Partners 2
UH Partners 2, Inc.
passive200.2K¥559+0.5%¥112M ($722K)
2025-09-29BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive741.3K¥559+0.5%¥414M ($2.7M)
2025-05-09BUYMarket Buy
株式会社UH Partners 2
UH Partners 2, Inc.
passive200.2K¥563-0.2%¥61M ($393K)
2025-05-09BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive741.3K¥563-0.2%¥417M ($2.7M)
2025-03-27BUYMarket Buy
株式会社UH Partners 2
UH Partners 2, Inc.
passive92.4K¥541+3.9%¥50M ($323K)
2025-03-27BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive741.3K¥541+3.9%¥6M ($36K)
2025-02-12BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive731.3K¥496+13.3%¥53M ($343K)
2024-08-05BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive624.4K¥431+30.4%¥48M ($307K)
2024-07-17BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive513.9K¥567-0.9%¥291M ($1.9M)
2022-11-17BUYMarket Buy
コンセーユ・ティ・アイ株式会社
Conseil T.I. INC.
strategic2.5M¥385+46.0%¥242M ($1.6M)
2022-11-17SELLunknown
飯島 秀幸
Hideyuki Iijima
strategic314.4K¥385-46.0%¥274M ($1.8M)
2022-11-17SELLMarket Buy
飯島 秀幸
Hideyuki Iijima
strategic314.4K¥385-46.0%¥274M ($1.8M)
2022-11-17BUYunknown
コンセーユ・ティ・アイ株式会社
Conseil T.I. INC.
strategic2.5M¥385+46.0%¥242M ($1.6M)

Frequently asked questions

Who has been buying Acmos Inc. stock?
4 distinct investors have filed 7 disclosed large-shareholding filings in Acmos Inc. (6888), most recently on 2025-09-29. 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 Acmos Inc. have?
Acmos Inc. has 7 buy-side and 2 sell-side disclosures on record, covering ¥604M ($3.9M) in total reported value, spanning 2022-11-17 to 2025-09-29.
Where does StockDrifts get Acmos Inc. 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 Acmos Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.