Who has been buying oRo Co., Ltd. stock?

5 distinct investors have filed 8 disclosed large-shareholding filings in oRo Co., Ltd. (3983), most recently on 2025-12-18. 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 oRo Co., Ltd. have?

oRo Co., Ltd. has 8 buy-side and 6 sell-side disclosures on record, covering ¥3.6B ($23.5M) in total reported value, spanning 2021-08-25 to 2025-12-18.

Where does StockDrifts get oRo 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.

oRo Co., Ltd. 3983

Company

株式会社オロoRo Co., Ltd.

Investors

Buys

Total Value

¥3.6B ($23.5M)

Avg Return

-5.61%

Last Filing

2025-12-18

oRo Co., Ltd. (3983) has 8 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥3.6B ($23.5M) in reported transaction value. The earliest filing StockDrifts holds for oRo Co., Ltd. is dated 2021-08-25; the most recent is 2025-12-18. 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 -5.61%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-07-22	SELL	Market Buy	株式会社ヴァレックス・パートナーズ VARECS Partners Limited	activist	1.4M	¥2,174	-5.0%	¥349M ($2.3M)
2026-07-01	BUY	Market Buy	株式会社ヴァレックス・パートナーズ VARECS Partners Limited	activist	1.5M	¥1,958	+13.0%	¥333M ($2.1M)
2025-12-18	BUY	Market Buy	株式会社ヴァレックス・パートナーズ VARECS Partners Limited	activist	1.4M	¥2,065	-0.9%	¥385M ($2.5M)
2025-12-05	BUY	Market Buy	株式会社ヴァレックス・パートナーズ VARECS Partners Limited	activist	1.2M	¥2,063	-0.8%	¥464M ($3.0M)
2025-01-08	BUY	Market Buy	株式会社ヴァレックス・パートナーズ VARECS Partners Limited	activist	982.0K	¥2,334	-12.3%	¥381M ($2.5M)
2024-06-28	SELL	negotiated	日野靖久 YASUHISA HINO	activist	2.7M	¥2,574	+20.5%	¥91M ($590K)
2024-04-12	SELL	negotiated	日野靖久 YASUHISA HINO	activist	2.7M	¥2,712	+24.6%	¥438M ($2.8M)
2024-03-11	BUY	Market Buy	株式会社ヴァレックス・パートナーズ VARECS Partners Limited	activist	818.7K	¥2,806	-27.1%	¥2.3B ($14.8M)
2023-10-10	SELL	unknown	ハイクレア・インターナショナル・インベスターズ・エルエルピー(Highclere International Investors LLP) Highclere International Investors LLP	other	640.7K	¥2,125	+3.7%	¥357M ($2.3M)
2022-11-15	BUY	unknown	ハイクレア・インターナショナル・インベスターズ・エルエルピー(Highclere International Investors LLP) Highclere International Investors LLP	other	808.9K	¥1,692	+20.9%	¥1.4B ($8.8M)
2022-07-14	SELL	negotiated	日野靖久 YASUHISA HINO	activist	2.9M	¥1,562	-31.0%	¥308M ($2.0M)
2022-06-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	589.2K	¥1,485	-37.8%	¥403M ($2.6M)
2022-06-07	BUY	Market Buy	日野靖久 YASUHISA HINO	activist	3.1M	¥1,803	+13.5%	¥151M ($977K)
2022-06-07	BUY	negotiated	日野靖久 YASUHISA HINO	activist	3.1M	¥1,803	+13.5%	¥151M ($977K)
2022-04-22	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	400	¥1,987	-3.0%	¥53M ($341K)
2022-04-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	884.8K	¥1,987	+3.0%	¥1.7B ($11.2M)
2021-08-25	BUY	Market Buy	日野靖久 YASUHISA HINO	activist	3.1M	¥3,475	-41.1%	¥6M ($37K)

Frequently asked questions

Who has been buying oRo Co., Ltd. stock?: 5 distinct investors have filed 8 disclosed large-shareholding filings in oRo Co., Ltd. (3983), most recently on 2025-12-18. 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 oRo Co., Ltd. have?: oRo Co., Ltd. has 8 buy-side and 6 sell-side disclosures on record, covering ¥3.6B ($23.5M) in total reported value, spanning 2021-08-25 to 2025-12-18.
Where does StockDrifts get oRo 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 oRo Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.