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Systems Engineering Consultants Co.,LTD. 3741

Company
株式会社セックSystems Engineering Consultants Co.,LTD.
Investors
6
Buys
3
Total Value
¥963M ($6.2M)
Avg Return
+44.01%
Last Filing
2026-04-07

Systems Engineering Consultants Co.,LTD. (3741) has 3 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥963M ($6.2M) in reported transaction value. The earliest filing StockDrifts holds for Systems Engineering Consultants Co.,LTD. is dated 2023-09-12; the most recent is 2026-04-07. 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 +44.01%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-04-07BUYunknown
みずほ証券 株式会社
other15.4K¥2,924+1.1%¥45M ($291K)
2026-04-07SELLunknown
アセットマネジメントOne株式会社
other379.7K¥2,924-1.1%¥389M ($2.5M)
2025-09-22BUYunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other256.6K¥2,447.5+23.4%¥628M ($4.1M)
2025-08-07SELLunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other209.6K¥2,550-18.4%¥136M ($876K)
2025-06-06SELLunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other262.8K¥2,590-16.6%¥166M ($1.1M)
2024-06-03BUYunknown
有限会社 近石商会
Chikaishi Shokai Co., Ltd.
strategic158.3K¥2,147.5+40.6%¥335M ($2.2M)
2024-06-03BUYunknown
近石 幸博
CHIKAISHI YUKIHIRO
strategic50.6K¥2,147.5+40.6%¥109M ($701K)
2023-09-25BUYunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other326.6K¥1,797.5+68.0%¥587M ($3.8M)
2023-09-12SELLunknown
有限会社 矢野商会
Yano Shokai Co., Ltd.
strategic1.4M¥1,662.5-81.7%¥166M ($1.1M)
2023-09-12SELLunknown
有限会社 矢野商会
Yano Shokai Co., Ltd.
strategic1.4M¥1,662.5-81.7%¥166M ($1.1M)
2023-09-12BUYunknown
矢野 恭一
YANO KYOICHI
strategic177.7K¥1,662.5+81.7%¥295M ($1.9M)
2023-09-12BUYunknown
矢野 恭一
YANO KYOICHI
strategic177.7K¥1,662.5+81.7%¥295M ($1.9M)

Frequently asked questions

Who has been buying Systems Engineering Consultants Co.,LTD. stock?
6 distinct investors have filed 3 disclosed large-shareholding filings in Systems Engineering Consultants Co.,LTD. (3741), most recently on 2026-04-07. 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 Systems Engineering Consultants Co.,LTD. have?
Systems Engineering Consultants Co.,LTD. has 3 buy-side and 5 sell-side disclosures on record, covering ¥963M ($6.2M) in total reported value, spanning 2023-09-12 to 2026-04-07.
Where does StockDrifts get Systems Engineering Consultants 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 Systems Engineering Consultants Co.,LTD.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.