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Hoden Seimitsu Kako Kenkyusho Co., Ltd. 6469

Company
株式会社放電精密加工研究所Hoden Seimitsu Kako Kenkyusho Co., Ltd.
Investors
9
Buys
6
Total Value
¥8.4B ($54.0M)
Avg Return
+252.72%
Last Filing
2026-04-24

Hoden Seimitsu Kako Kenkyusho Co., Ltd. (6469) has 6 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥8.4B ($54.0M) in reported transaction value. The earliest filing StockDrifts holds for Hoden Seimitsu Kako Kenkyusho Co., Ltd. is dated 2021-05-19; the most recent is 2026-04-24. 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 +252.72%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-04-24SELLunknown
二村 勝彦
other243.0K¥3,200+13.4%¥217M ($1.4M)
2026-04-24SELLunknown
株式会社二村
other294.6K¥3,200+13.4%¥897M ($5.8M)
2024-03-18SELLnegotiated
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
unknown0¥1,806-82.7%¥144M ($932K)
2024-03-18SELLnegotiated
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
strategic14.0K¥1,806-82.7%¥12M ($77K)
2024-03-18BUYnegotiated
株式会社三菱UFJ銀行
Mitsubishi UFJ Financial Group Inc.
strategic325.8K¥1,806+82.7%¥579M ($3.7M)
2024-03-01BUYunknown
三菱重工業株式会社
Mitsubishi Heavy Industries, Ltd.
strategic3.7M¥1,922+71.7%¥7.2B ($46.5M)
2022-05-11SELLnegotiated
有限会社善
Zen Limited Company
other0¥622-430.6%¥1M ($10K)
2022-05-11BUYnegotiated
二村 昭二
Futamura Shouji
activist182.5K¥622+430.6%¥112M ($724K)
2021-11-15BUYunknown
二村 勝彦
Katsuhiko Nimura
other210.4K¥804+310.4%¥169M ($1.1M)
2021-11-15BUYunknown
株式会社二村
FUTAMURA Co.,Ltd.
other389.1K¥804+310.4%¥313M ($2.0M)
2021-11-15BUYunknown
株式会社二村
FUTAMURA Co.,Ltd.
other389.1K¥804+310.4%¥313M ($2.0M)
2021-05-19BUYMarket Buy
東京中小企業投資育成株式会社
TOKYO SMALL AND MEDIUM BUSINESS INVESTMENT & CONSULTATION CO.,LTD
passive733.9K¥738+347.1%¥542M ($3.5M)

Frequently asked questions

Who has been buying Hoden Seimitsu Kako Kenkyusho Co., Ltd. stock?
9 distinct investors have filed 6 disclosed large-shareholding filings in Hoden Seimitsu Kako Kenkyusho Co., Ltd. (6469), most recently on 2026-04-24. 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 Hoden Seimitsu Kako Kenkyusho Co., Ltd. have?
Hoden Seimitsu Kako Kenkyusho Co., Ltd. has 6 buy-side and 5 sell-side disclosures on record, covering ¥8.4B ($54.0M) in total reported value, spanning 2021-05-19 to 2026-04-24.
Where does StockDrifts get Hoden Seimitsu Kako Kenkyusho 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 Hoden Seimitsu Kako Kenkyusho Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.