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Acom Co., Ltd. 8572

Company
アコム株式会社Acom Co., Ltd.
Investors
6
Buys
7
Total Value
¥5.5B ($35.6M)
Avg Return
-4.00%
Last Filing
2026-05-08

Acom Co., Ltd. (8572) has 7 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥5.5B ($35.6M) in reported transaction value. The earliest filing StockDrifts holds for Acom Co., Ltd. is dated 2024-07-23; the most recent is 2026-05-08. 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 -4.00%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-05-08BUYunknown
株式会社三菱UFJフィナンシャル・グループ
corporate588.7M¥494.1-9.6%¥290.9B ($1.9B)
2026-05-08BUYMarket Buy
三菱UFJアセットマネジメント株式会社
passive2.9M¥494.1-9.6%¥155M ($999K)
2026-05-08BUYunknown
小村太一
strategic8.1M¥494.1-9.6%¥4.0B ($25.7M)
2026-05-08BUYMarket Buy
株式会社丸糸商店
strategic38.7M¥494.1-9.6%¥310M ($2.0M)
2026-05-08BUYMarket Buy
マルイト株式会社
strategic125.5M¥494.1-9.6%¥1.2B ($7.5M)
2026-05-08BUYunknown
小村太一
strategic8.1M¥494.1-9.6%¥4.0B ($25.7M)
2026-05-08BUYMarket Buy
マルイト株式会社
strategic125.5M¥494.1-9.6%¥1.2B ($7.5M)
2026-05-08BUYMarket Buy
三菱UFJ信託銀行株式会社
passive46.1M¥494.1-9.6%¥542M ($3.5M)
2026-05-08BUYMarket Buy
株式会社丸糸商店
strategic38.7M¥494.1-9.6%¥310M ($2.0M)
2024-07-23BUYMarket Buy
株式会社三菱UFJフィナンシャル・グループ
Mitsubishi UFJ Financial Group
other588.7M¥432.6+11.6%¥4.7B ($30.6M)
2024-07-23BUYMarket Buy
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive2.7M¥432.6+11.6%¥1.2B ($7.6M)
2024-07-23SELLMarket Buy
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
activist45.0M¥432.6-11.6%¥2.4B ($15.7M)

Frequently asked questions

Who has been buying Acom Co., Ltd. stock?
6 distinct investors have filed 7 disclosed large-shareholding filings in Acom Co., Ltd. (8572), most recently on 2026-05-08. 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 Acom Co., Ltd. have?
Acom Co., Ltd. has 7 buy-side and 1 sell-side disclosures on record, covering ¥5.5B ($35.6M) in total reported value, spanning 2024-07-23 to 2026-05-08.
Where does StockDrifts get Acom 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 Acom Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.