StockDrifts LogoStockDrifts

Nihon Denkei Co.,Ltd. 9908

Company
日本電計株式会社Nihon Denkei Co.,Ltd.
Investors
6
Buys
3
Total Value
¥1.0B ($6.6M)
Avg Return
+61.94%
Last Filing
2025-08-05

Nihon Denkei Co.,Ltd. (9908) has 3 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥1.0B ($6.6M) in reported transaction value. The earliest filing StockDrifts holds for Nihon Denkei Co.,Ltd. is dated 2022-03-31; the most recent is 2025-08-05. 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 +61.94%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-08-05BUYunknown
日本電計取引先持株会 理事長 小林一夫
NIHONDENKEITORIHIKISAKIMOCHIKABUKAI RIJICHO MASAHIKO OTAKI
strategic591.8K¥2,132+13.8%¥1.3B ($8.1M)
2025-08-05BUYunknown
日本電計取引先持株会 理事長 小林一夫
NIHONDENKEITORIHIKISAKIMOCHIKABUKAI RIJICHO MASAHIKO OTAKI
strategic591.8K¥2,132+13.8%¥1.3B ($8.1M)
2025-05-16BUYunknown
高田 寛
Hiroshi Takada
passive751¥2,019+20.2%¥2M ($10K)
2025-05-16SELLunknown
有限会社高田興産
YUUGENGAISHATAKADAKOUSAN
other1.0M¥2,019-20.2%¥270M ($1.7M)
2025-05-16SELLunknown
有限会社高田興産
YUUGENGAISHATAKADAKOUSAN
other1.0M¥2,019-20.2%¥267M ($1.7M)
2024-09-12BUYMarket Buy
岩崎通信機株式会社
Iwasaki Tsushinki Co., Ltd.
passive66.3K¥1,772+36.9%¥118M ($758K)
2024-09-12BUYMarket Buy
あいホールディングス株式会社
Ai Holdings Corporation
passive2.3M¥1,772+36.9%¥111M ($716K)
2022-09-13SELLunknown
ニッポン・アクティブ・バリュー・ファンド(NIPPON ACTIVE VALUE FUND PLC)
NIPPON ACTIVE VALUE FUND PLC
activist514.0K¥1,440-68.5%¥175M ($1.1M)
2022-08-19SELLunknown
ニッポン・アクティブ・バリュー・ファンド(NIPPON ACTIVE VALUE FUND PLC)
NIPPON ACTIVE VALUE FUND PLC
activist635.4K¥1,419-71.0%¥188M ($1.2M)
2022-07-26BUYunknown
日本電計取引先持株会 理事長 大滝正彦
NIHONDENKEITORIHIKISAKIMOCHIKABUKAI RIJICHO MASAHIKO OTAKI
strategic591.8K¥1,450+67.3%¥858M ($5.5M)
2022-03-31BUYMarket Buy
ニッポン・アクティブ・バリュー・ファンド(NIPPON ACTIVE VALUE FUND PLC)
NIPPON ACTIVE VALUE FUND PLC
activist512.4K¥1,336+81.6%¥52M ($333K)

Frequently asked questions

Who has been buying Nihon Denkei Co.,Ltd. stock?
6 distinct investors have filed 3 disclosed large-shareholding filings in Nihon Denkei Co.,Ltd. (9908), most recently on 2025-08-05. 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 Nihon Denkei Co.,Ltd. have?
Nihon Denkei Co.,Ltd. has 3 buy-side and 4 sell-side disclosures on record, covering ¥1.0B ($6.6M) in total reported value, spanning 2022-03-31 to 2025-08-05.
Where does StockDrifts get Nihon Denkei 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 Nihon Denkei Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.