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ジャニス工業株式会社 5342

Company
ジャニス工業株式会社
Investors
6
Buys
8
Total Value
—
Avg Return
—
Last Filing
2026-03-27

ジャニス工業株式会社 (5342) has 8 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 6 distinct investors. The earliest filing StockDrifts holds for ジャニス工業株式会社 is dated 2021-09-10; the most recent is 2026-03-27. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan).

Price & insider activity (12 months)

No price data available

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-03-27BUYMarket Buy
前田 信
activist100---
2026-03-27BUYMarket Buy
前田 供子
activist100---
2026-03-27BUYMarket Buy
前田 浩
activist100---
2026-03-27BUYMarket Buy
株式会社ニッソウ
activist363.2K---
2026-02-16BUYMarket Buy
前田 信
activist100---
2026-02-16BUYMarket Buy
前田 供子
activist100---
2026-02-16BUYMarket Buy
前田 浩
activist100---
2026-02-16BUYMarket Buy
株式会社ニッソウ
activist321.6K---
2026-02-03BUYMarket Buy
前田 信
activist100---
2026-02-03BUYMarket Buy
前田 供子
activist100---
2026-02-03BUYMarket Buy
前田 浩
activist100---
2026-02-03BUYMarket Buy
株式会社ニッソウ
activist281.8K---
2025-12-09BUYMarket Buy
前田 信
activist100---
2025-12-09BUYMarket Buy
前田 供子
activist100---
2025-12-09BUYMarket Buy
前田 浩
activist100---
2025-12-09BUYMarket Buy
株式会社ニッソウ
activist241.4K---
2025-12-09BUYMarket Buy
前田 信
activist100---
2025-12-09BUYMarket Buy
前田 供子
activist100---
2025-12-09BUYMarket Buy
前田 浩
activist100---
2025-12-09BUYMarket Buy
株式会社ニッソウ
activist241.4K---
2025-04-07BUYMarket Buy
株式会社ニッソウ
Nissou Co.,Ltd.
activist202.4K---
2021-09-10BUYMarket Buy
ジャニス工業取引先持株会 理事長 山口 茂樹
Shigeki Yamaguchi
other474.4K---
2021-09-10SELLunknown
ジャニス工業取引先持株会 理事長 山口 茂樹
Shigeki Yamaguchi
other0---
2021-09-10BUYunknown
ジャニス工業取引先持株会 理事長 岩間 健太郎
Kentarou Iwama
other492.0K---

Frequently asked questions

Who has been buying ジャニス工業株式会社 stock?
6 distinct investors have filed 8 disclosed large-shareholding filings in ジャニス工業株式会社 (5342), most recently on 2026-03-27. 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 ジャニス工業株式会社 have?
ジャニス工業株式会社 has 8 buy-side and 1 sell-side disclosures on record, spanning 2021-09-10 to 2026-03-27.
Where does StockDrifts get ジャニス工業株式会社 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 ジャニス工業株式会社. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.