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Daiei Kankyo Co., Ltd. 9336

Company
大栄環境株式会社Daiei Kankyo Co., Ltd.
Investors
2
Buys
2
Total Value
¥85M ($548K)
Avg Return
+108.80%
Last Filing
2026-03-31

Daiei Kankyo Co., Ltd. (9336) has 2 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 2 distinct investors. Together those filings cover ¥85M ($548K) in reported transaction value. The earliest filing StockDrifts holds for Daiei Kankyo Co., Ltd. is dated 2022-12-14; the most recent is 2026-03-31. 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 +108.80%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-03-31BUYunknown
金子 文雄
activist50.3K¥3,885-0.1%¥195M ($1.3M)
2026-03-31BUYunknown
ウイングトワ株式会社
strategic61.4M¥3,885-0.1%¥238.5B ($1.5B)
2025-11-26BUYunknown
金子 文雄
activist50.3K¥3,720-0.8%¥189M ($1.2M)
2025-11-26BUYunknown
ウイングトワ株式会社
strategic61.4M¥3,720-0.8%¥230.2B ($1.5B)
2025-08-01BUYunknown
ウイングトワ株式会社
Wing Towa K.K.
strategic61.4M¥3,115+20.4%¥191.3B ($1.2B)
2025-08-01BUYunknown
金子 文雄
Fumio Kaneko
activist50.3K¥3,115+20.4%¥157M ($1.0M)
2025-06-19BUYunknown
金子 文雄
Fumio Kaneko
activist50.3K¥3,150+19.1%¥158M ($1.0M)
2025-06-19BUYunknown
金子 文雄
Fumio Kaneko
activist50.3K¥3,150+19.1%¥158M ($1.0M)
2025-06-19BUYunknown
ウイングトワ株式会社
Wing Towa K.K.
strategic61.4M¥3,150+19.1%¥193.4B ($1.2B)
2025-06-19BUYunknown
ウイングトワ株式会社
Wing Towa K.K.
strategic61.4M¥3,150+19.1%¥193.4B ($1.2B)
2025-05-26BUYunknown
金子 文雄
Fumio Kaneko
activist50.3K¥2,982+25.8%¥150M ($968K)
2025-05-26BUYunknown
金子 文雄
Fumio Kaneko
activist50.3K¥2,982+25.8%¥150M ($968K)
2025-05-26BUYunknown
ウイングトワ株式会社
Wing Towa K.K.
strategic61.4M¥2,982+25.8%¥183.1B ($1.2B)
2025-05-26BUYunknown
ウイングトワ株式会社
Wing Towa K.K.
strategic61.4M¥2,982+25.8%¥183.1B ($1.2B)
2025-02-14BUYunknown
金子 文雄
Fumio Kaneko
activist50.3K¥2,899+29.4%¥146M ($941K)
2025-02-14SELLunknown
ウイングトワ株式会社
Wing Towa K.K.
strategic61.4M¥2,899-29.4%¥9.0B ($58.1M)
2022-12-14BUYunknown
金子 文雄
Fumio Kaneko
activist47.3K¥1,796+108.8%¥85M ($548K)
2022-12-14BUYunknown
ウイングトワ株式会社
Wing Towa K.K.
strategic61.4M¥1,796+108.8%¥110.3B ($711.4M)

Frequently asked questions

Who has been buying Daiei Kankyo Co., Ltd. stock?
2 distinct investors have filed 2 disclosed large-shareholding filings in Daiei Kankyo Co., Ltd. (9336), most recently on 2026-03-31. 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 Daiei Kankyo Co., Ltd. have?
Daiei Kankyo Co., Ltd. has 2 buy-side and 1 sell-side disclosures on record, covering ¥85M ($548K) in total reported value, spanning 2022-12-14 to 2026-03-31.
Where does StockDrifts get Daiei Kankyo 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 Daiei Kankyo Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.