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Keyware Solutions Inc. 3799

Company
キーウェアソリューションズ株式会社Keyware Solutions Inc.
Investors
4
Buys
3
Total Value
¥1.3B ($8.4M)
Avg Return
+59.08%
Last Filing
2025-10-03

Keyware Solutions Inc. (3799) has 3 disclosed large-shareholding filings and 0 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥1.3B ($8.4M) in reported transaction value. The earliest filing StockDrifts holds for Keyware Solutions Inc. is dated 2021-06-01; the most recent is 2025-10-03. 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 +59.08%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-10-03BUYMarket Buy
株式会社HBA
HBA Corporation
passive1.4M¥1,092+0.8%¥1.5B ($9.8M)
2021-12-07BUYunknown
株式会社JR東日本情報システム
JR East Information Systems Company
strategic660.0K¥599+83.8%¥395M ($2.6M)
2021-06-04BUYunknown
兼松エレクトロニクス株式会社
KANEMATSU ELECTRONICS LTD.
strategic600.0K¥744+48.0%¥446M ($2.9M)
2021-06-01BUYunknown
キヤノンマーケティングジャパン株式会社
Canon Marketing Japan Inc.
strategic600.0K¥757+45.4%¥454M ($2.9M)

Frequently asked questions

Who has been buying Keyware Solutions Inc. stock?
4 distinct investors have filed 3 disclosed large-shareholding filings in Keyware Solutions Inc. (3799), most recently on 2025-10-03. 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 Keyware Solutions Inc. have?
Keyware Solutions Inc. has 3 buy-side and 0 sell-side disclosures on record, covering ¥1.3B ($8.4M) in total reported value, spanning 2021-06-01 to 2025-10-03.
Where does StockDrifts get Keyware Solutions Inc. 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 Keyware Solutions Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.