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UCHIYAMA HOLDINGS Co.,Ltd. 6059

Company
株式会社ウチヤマホールディングスUCHIYAMA HOLDINGS Co.,Ltd.
Investors
3
Buys
5
Total Value
¥6.4B ($41.4M)
Avg Return
+4.09%
Last Filing
2026-04-22

UCHIYAMA HOLDINGS Co.,Ltd. (6059) has 5 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥6.4B ($41.4M) in reported transaction value. The earliest filing StockDrifts holds for UCHIYAMA HOLDINGS Co.,Ltd. is dated 2025-02-19; the most recent is 2026-04-22. 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 +4.09%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-04-22BUYunknown
内山 孝子
UCHIYAMA TAKAKO
strategic9.5M¥354-3.4%¥3.4B ($21.8M)
2026-04-21SELLunknown
内山 文治(相続人内山孝子)
unknown0¥352+1.7%¥3.0B ($19.6M)
2026-04-21BUYMarket Buy
内山 孝子
strategic9.5M¥352-1.7%¥3.0B ($19.6M)
2026-04-21BUYunknown
内山 孝子
UCHIYAMA TAKAKO
strategic9.5M¥352-1.7%¥3.4B ($21.6M)
2026-04-21BUYunknown
内山 孝子
UCHIYAMA TAKAKO
strategic9.5M¥352-1.7%¥3.4B ($21.6M)
2025-02-19BUYMarket Buy
合同会社ウチヤマフューチャー
Uchiyama Future LLC
strategic0¥314+13.1%-
2025-02-19BUYMarket Buy
内山 孝子
Takako Uchiyama
activist875.1K¥314+13.1%¥679K ($4K)
2025-02-19BUYMarket Buy
内山 文治
Bunji Uchiyama
activist8.7M¥314+13.1%¥2.0B ($13.2M)

Frequently asked questions

Who has been buying UCHIYAMA HOLDINGS Co.,Ltd. stock?
3 distinct investors have filed 5 disclosed large-shareholding filings in UCHIYAMA HOLDINGS Co.,Ltd. (6059), most recently on 2026-04-22. 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 UCHIYAMA HOLDINGS Co.,Ltd. have?
UCHIYAMA HOLDINGS Co.,Ltd. has 5 buy-side and 1 sell-side disclosures on record, covering ¥6.4B ($41.4M) in total reported value, spanning 2025-02-19 to 2026-04-22.
Where does StockDrifts get UCHIYAMA HOLDINGS 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 UCHIYAMA HOLDINGS Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.