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Kamigumi Co., Ltd. 9364

Company
株式会社上組Kamigumi Co., Ltd.
Investors
6
Buys
7
Total Value
¥47.8B ($308.2M)
Avg Return
+67.38%
Last Filing
2025-12-12

Kamigumi Co., Ltd. (9364) has 7 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥47.8B ($308.2M) in reported transaction value. The earliest filing StockDrifts holds for Kamigumi Co., Ltd. is dated 2021-04-08; the most recent is 2025-12-12. 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 +67.38%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-12-12BUYMarket Buy
かみぐみ共栄会 理事長 谷川 龍二
RYUJI TANIGAWA
strategic7.5M¥5,082+4.8%¥5.5B ($35.3M)
2025-09-19SELLunknown
アモーヴァ・アセットマネジメント株式会社
Amova Asset Management Co., Ltd.
other1.8M¥4,564-16.7%¥3.8B ($24.8M)
2025-09-19SELLunknown
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
other2.7M¥4,564-16.7%¥146M ($941K)
2024-02-22BUYunknown
野村アセットマネジメント株式会社
Nomura Asset Management Co., Ltd.
other5.5M¥3,447+54.5%¥18.9B ($121.9M)
2024-02-22BUYunknown
株式会社杉村倉庫
Sugimura Warehouse Co., Ltd.
strategic123.9K¥3,447+54.5%¥427M ($2.8M)
2023-12-06BUYunknown
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other2.8M¥3,443+54.7%¥9.5B ($61.2M)
2023-12-06BUYunknown
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
other2.9M¥3,443+54.7%¥9.9B ($63.6M)
2022-07-13BUYMarket Buy
かみぐみ共栄会 理事長 谷川 龍二
RYUJI TANIGAWA
strategic7.3M¥2,676+99.0%¥3.3B ($21.1M)
2022-06-13SELLsubscription
シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP)
Silchester International Investors LLP
activist4.7M¥2,584-106.1%¥3.5B ($22.5M)
2021-04-08BUYsubscription
シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP)
Silchester International Investors LLP
activist6.5M¥2,135+149.5%¥13.9B ($89.8M)

Frequently asked questions

Who has been buying Kamigumi Co., Ltd. stock?
6 distinct investors have filed 7 disclosed large-shareholding filings in Kamigumi Co., Ltd. (9364), most recently on 2025-12-12. 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 Kamigumi Co., Ltd. have?
Kamigumi Co., Ltd. has 7 buy-side and 3 sell-side disclosures on record, covering ¥47.8B ($308.2M) in total reported value, spanning 2021-04-08 to 2025-12-12.
Where does StockDrifts get Kamigumi 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 Kamigumi Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.