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Terasaki Electric Co.,Ltd. 6637

Company
寺崎電気産業株式会社Terasaki Electric Co.,Ltd.
Investors
9
Buys
3
Total Value
¥1.1B ($6.9M)
Avg Return
+41.41%
Last Filing
2026-05-13

Terasaki Electric Co.,Ltd. (6637) has 3 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥1.1B ($6.9M) in reported transaction value. The earliest filing StockDrifts holds for Terasaki Electric Co.,Ltd. is dated 2025-01-06; the most recent is 2026-05-13. 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 +41.41%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-05-13SELLnegotiated
株式会社芳山社
activist653.6K¥3,925+13.9%¥378M ($2.4M)
2026-05-13BUYMarket Buy
有限会社ファーストゲート
activist85.0K¥3,925-13.9%¥332M ($2.1M)
2026-05-13SELLnegotiated
寺崎 泰造
activist1.1M¥3,925+13.9%¥61M ($396K)
2026-05-13BUYnegotiated
有限会社アーク
activist400.0K¥3,925-13.9%¥1.6B ($10.1M)
2026-05-12SELLnegotiated
寺崎 雄造
strategic677.4K¥3,965+14.8%¥129M ($833K)
2026-05-12BUYnegotiated
株式会社寺崎
strategic2.2M¥3,965-14.8%¥8.7B ($56.3M)
2026-05-12BUYnegotiated
テラサキトラスト株式会社
strategic101.9K¥3,965-14.8%¥404M ($2.6M)
2025-12-17BUYnegotiated
株式会社寺崎
activist2.2M¥4,410+7.9%¥8.9B ($57.6M)
2025-12-17SELLnegotiated
テラサキトラスト株式会社
activist101.9K¥4,410+7.9%¥414M ($2.7M)
2025-12-17BUYnegotiated
株式会社寺崎
activist2.2M¥4,410+7.9%¥8.9B ($57.6M)
2025-12-17SELLnegotiated
テラサキトラスト株式会社
activist101.9K¥4,410+7.9%¥414M ($2.7M)
2025-01-06BUYnegotiated
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive300.5K¥2,478+63.8%¥745M ($4.8M)
2025-01-06BUYnegotiated
株式会社三菱UFJ銀行
Mitsubishi UFJ Financial Group Inc.
strategic360.0K¥2,478+63.8%¥892M ($5.8M)

Frequently asked questions

Who has been buying Terasaki Electric Co.,Ltd. stock?
9 distinct investors have filed 3 disclosed large-shareholding filings in Terasaki Electric Co.,Ltd. (6637), most recently on 2026-05-13. 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 Terasaki Electric Co.,Ltd. have?
Terasaki Electric Co.,Ltd. has 3 buy-side and 5 sell-side disclosures on record, covering ¥1.1B ($6.9M) in total reported value, spanning 2025-01-06 to 2026-05-13.
Where does StockDrifts get Terasaki Electric 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 Terasaki Electric Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.