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NS Tool Co., Ltd. 6157

Company
日進工具株式会社NS Tool Co., Ltd.
Investors
4
Buys
2
Total Value
¥115M ($743K)
Avg Return
+3.19%
Last Filing
2026-03-18

NS Tool Co., Ltd. (6157) has 2 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥115M ($743K) in reported transaction value. The earliest filing StockDrifts holds for NS Tool Co., Ltd. is dated 2024-10-02; the most recent is 2026-03-18. 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 +3.19%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-07-23SELLunknown
エフエムアール インベストメント マネジメント ユーケー リミテッド (FMR Investment Management (UK) Limited)
FMR Investment Management (UK) Limited
other2.1M¥956+10.5%¥12M ($77K)
2026-06-22BUYunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other1.0M¥940+3.6%¥128M ($827K)
2026-06-22BUYMarket Buy
フィデリティ マネジメント アンド リサーチ カンパニー エルエルシー (Fidelity Management & Research Company LLC)
FIDELITY MANAGEMENT & RESEARCH COMPANY LLC
corporate1.0M¥940+3.6%¥128M ($827K)
2026-03-18SELLMarket Buy
フォレスト・マナー・エヌ・ヴイ(Forest Manor N.V.)
Forest Manor N.V.
passive783.4K¥901+8.8%¥429M ($2.8M)
2025-09-11BUYMarket Buy
後藤 隆司
Takashi Goto
activist778.4K¥843-2.5%¥108M ($694K)
2025-09-11SELLunknown
株式会社ソルプティ
Solputi Co., Ltd.
strategic2.4M¥843+2.5%¥95M ($613K)
2024-10-02BUYMarket Buy
株式会社エムワイコーポレーション
MY CORPORATION
strategic3.3M¥755+8.9%¥8M ($49K)

Frequently asked questions

Who has been buying NS Tool Co., Ltd. stock?
4 distinct investors have filed 2 disclosed large-shareholding filings in NS Tool Co., Ltd. (6157), most recently on 2026-03-18. 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 NS Tool Co., Ltd. have?
NS Tool Co., Ltd. has 2 buy-side and 2 sell-side disclosures on record, covering ¥115M ($743K) in total reported value, spanning 2024-10-02 to 2026-03-18.
Where does StockDrifts get NS Tool 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 NS Tool Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.