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JMC Corporation 5704

Company
株式会社JMCJMC Corporation
Investors
3
Buys
2
Total Value
¥500M ($3.2M)
Avg Return
-3.67%
Last Filing
2026-02-24

JMC Corporation (5704) has 2 disclosed large-shareholding filings and 11 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥500M ($3.2M) in reported transaction value. The earliest filing StockDrifts holds for JMC Corporation is dated 2021-12-06; the most recent is 2026-02-24. 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 -3.67%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-02-24BUYMarket Buy
渡邊 大知
activist1.3M¥409-3.7%¥500M ($3.2M)
2026-02-24BUYMarket Buy
渡邊商事株式会社
activist251.0K¥409-3.7%¥99M ($638K)
2024-04-26SELLunknown
渡邊商事株式会社
Watanabe Shoji Co., Ltd.
activist184.0K¥764+48.4%¥3M ($17K)
2024-04-26SELLunknown
渡邊 大知
Daichi Watanabe
activist1.3M¥764+48.4%¥46M ($298K)
2024-02-26SELLunknown
鈴木 浩之
Hiroyuki Suzuki
activist401.2K¥856+54.0%¥68M ($441K)
2024-02-15SELLunknown
鈴木 浩之
Hiroyuki Suzuki
activist481.2K¥994+60.4%¥32M ($208K)
2023-11-24SELLunknown
渡邊商事株式会社
Watanabe Shoji Co., Ltd.
activist184.0K¥1,285+69.3%¥706K ($5K)
2023-11-24SELLunknown
渡邊 大知
Daichi Watanabe
activist1.3M¥1,285+69.3%¥112M ($720K)
2023-11-10SELLunknown
渡邊商事株式会社
Watanabe Shoji Co., Ltd.
activist184.0K¥1,092+63.9%¥7M ($46K)
2023-11-10SELLunknown
渡邊 大知
Daichi Watanabe
activist1.4M¥1,092+63.9%¥8M ($54K)
2023-02-22SELLunknown
鈴木 浩之
Hiroyuki Suzuki
activist498.2K¥699+43.6%¥12M ($79K)
2023-02-22BUYunknown
鈴木 浩之
Hiroyuki Suzuki
activist498.2K¥699-43.6%¥12M ($79K)
2022-12-09BUYunknown
鈴木 浩之
Hiroyuki Suzuki
activist515.2K¥781-49.5%¥402M ($2.6M)
2021-12-06SELLunknown
渡邊商事株式会社
Watanabe Shoji Co., Ltd.
activist184.0K¥528+25.4%¥1M ($9K)
2021-12-06SELLunknown
渡邊 大知
Daichi Watanabe
activist1.4M¥528+25.4%¥7M ($47K)

Frequently asked questions

Who has been buying JMC Corporation stock?
3 distinct investors have filed 2 disclosed large-shareholding filings in JMC Corporation (5704), most recently on 2026-02-24. 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 JMC Corporation have?
JMC Corporation has 2 buy-side and 11 sell-side disclosures on record, covering ¥500M ($3.2M) in total reported value, spanning 2021-12-06 to 2026-02-24.
Where does StockDrifts get JMC Corporation 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 JMC Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.