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

6 distinct investors have filed 24 disclosed large-shareholding filings in Uoki Co.,Ltd. (2683), most recently on 2026-02-06. 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 Uoki Co.,Ltd. have?

Uoki Co.,Ltd. has 24 buy-side and 33 sell-side disclosures on record, covering ¥234M ($1.5M) in total reported value, spanning 2021-08-27 to 2026-02-06.

Where does StockDrifts get Uoki 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.

Uoki Co.,Ltd. 2683

Company

株式会社魚喜Uoki Co.,Ltd.

Investors

Buys

Total Value

¥234M ($1.5M)

Avg Return

-10.02%

Last Filing

2026-02-06

Uoki Co.,Ltd. (2683) has 24 disclosed large-shareholding filings and 33 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥234M ($1.5M) in reported transaction value. The earliest filing StockDrifts holds for Uoki Co.,Ltd. is dated 2021-08-27; the most recent is 2026-02-06. 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 -10.02%, 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
2026-07-06	BUY	unknown	有吉和枝	strategic	392.0K	¥1,003	+0.6%	¥393M ($2.5M)
2026-07-06	BUY	unknown	有吉充騎	strategic	13.6K	¥1,003	+0.6%	¥14M ($88K)
2026-07-06	BUY	unknown	有吉正騎	strategic	13.4K	¥1,003	+0.6%	¥13M ($87K)
2026-07-06	BUY	Market Buy	有吉美和	strategic	122.1K	¥1,003	+0.6%	¥1M ($7K)
2026-07-06	SELL	negotiated	有限会社フォー・エム	activist	321.7K	¥1,003	-0.6%	¥26M ($165K)
2026-07-06	BUY	unknown	守屋実保	strategic	10.8K	¥1,003	+0.6%	¥11M ($70K)
2026-02-06	BUY	unknown	有吉充騎	strategic	13.6K	¥1,001	-0.6%	¥14M ($88K)
2026-02-06	BUY	unknown	有吉正騎	strategic	13.4K	¥1,001	-0.6%	¥14M ($87K)
2026-02-06	BUY	unknown	守屋実保	strategic	10.8K	¥1,001	-0.6%	¥11M ($70K)
2026-02-06	BUY	unknown	有吉美和	strategic	121.1K	¥1,001	+0.6%	¥122M ($787K)
2026-02-06	SELL	unknown	有限会社フォー・エム	activist	347.4K	¥1,001	-0.6%	¥350M ($2.3M)
2026-02-06	BUY	unknown	有吉和枝	strategic	392.0K	¥1,001	-0.6%	¥395M ($2.5M)
2025-08-28	BUY	unknown	有吉充騎 Mitsuki Ariyoshi	strategic	13.6K	¥1,019	-1.2%	¥14M ($89K)
2025-08-28	BUY	unknown	守屋実保 Minoru Moriya	strategic	10.8K	¥1,019	-1.2%	¥11M ($71K)
2025-08-28	BUY	unknown	有吉美和 Miwa Ariyoshi	strategic	120.2K	¥1,019	-1.2%	¥1M ($7K)
2025-08-28	SELL	unknown	有限会社フォー・エム 4M Co., Ltd.	activist	373.0K	¥1,019	+1.2%	¥27M ($171K)
2025-08-28	BUY	unknown	有吉正騎 Masaki Ariyoshi	strategic	13.4K	¥1,019	-1.2%	¥14M ($88K)
2025-08-28	BUY	unknown	有吉和枝 kazue ariyoshi	strategic	392.0K	¥1,019	-1.2%	¥399M ($2.6M)
2025-04-11	BUY	unknown	有吉充騎 Mitsuki Ariyoshi	strategic	13.6K	¥1,008	-0.1%	¥14M ($88K)
2025-04-11	BUY	unknown	有吉正騎 Masaki Ariyoshi	strategic	13.4K	¥1,008	-0.1%	¥773K ($5K)
2025-04-11	BUY	unknown	守屋実保 Minoru Moriya	strategic	10.8K	¥1,008	-0.1%	¥11M ($70K)
2025-04-11	BUY	unknown	有吉美和 Miwa Ariyoshi	strategic	119.2K	¥1,008	-0.1%	¥1M ($8K)
2025-04-11	SELL	unknown	有限会社フォー・エム 4M Co., Ltd.	activist	399.0K	¥1,008	+0.1%	¥26M ($168K)
2025-04-11	SELL	unknown	有吉和枝 kazue ariyoshi	strategic	392.0K	¥1,008	+0.1%	¥773K ($5K)
2024-08-08	BUY	unknown	有吉充騎 Mitsuki Ariyoshi	strategic	13.6K	¥1,091	-7.7%	¥15M ($95K)
2024-08-08	BUY	unknown	有吉正騎 Masaki Ariyoshi	strategic	12.8K	¥1,091	-7.7%	¥14M ($90K)
2024-08-08	BUY	unknown	守屋実保 Minoru Moriya	strategic	10.8K	¥1,091	-7.7%	¥12M ($76K)
2024-08-08	BUY	unknown	有吉美和 Miwa Ariyoshi	strategic	117.7K	¥1,091	-7.7%	¥558K ($4K)
2024-08-08	SELL	unknown	有限会社フォー・エム 4M Co., Ltd.	activist	424.8K	¥1,091	+7.7%	¥30M ($191K)
2024-08-08	BUY	unknown	有吉和枝 kazue ariyoshi	strategic	392.7K	¥1,091	-7.7%	¥428M ($2.8M)
2024-06-05	BUY	unknown	有吉充騎 Mitsuki Ariyoshi	strategic	13.6K	¥1,119	-10.0%	¥15M ($98K)
2024-06-05	BUY	unknown	有吉正騎 Masaki Ariyoshi	strategic	12.8K	¥1,119	-10.0%	¥14M ($92K)
2024-06-05	BUY	unknown	守屋実保 Minoru Moriya	strategic	10.8K	¥1,119	-10.0%	¥12M ($78K)
2024-06-05	BUY	unknown	有吉美和 Miwa Ariyoshi	strategic	117.4K	¥1,119	-10.0%	¥131M ($848K)
2024-06-05	SELL	unknown	有限会社フォー・エム 4M Co., Ltd.	activist	451.9K	¥1,119	+10.0%	¥29M ($186K)
2024-06-05	BUY	unknown	有吉和枝 kazue ariyoshi	strategic	392.7K	¥1,119	-10.0%	¥439M ($2.8M)
2024-04-04	BUY	unknown	有吉正騎 Masaki Ariyoshi	strategic	12.8K	¥1,121	-10.2%	¥14M ($92K)
2024-04-04	BUY	unknown	有吉美和 Miwa Ariyoshi	strategic	117.3K	¥1,121	-10.2%	¥287K ($2K)
2024-04-04	SELL	unknown	有限会社フォー・エム 4M Co., Ltd.	activist	477.7K	¥1,121	+10.2%	¥29M ($189K)
2024-04-04	BUY	unknown	有吉充騎 Mitsuki Ariyoshi	strategic	13.6K	¥1,121	-10.2%	¥860K ($6K)
2024-04-04	BUY	unknown	守屋実保 Minoru Moriya	strategic	10.8K	¥1,121	-10.2%	¥12M ($78K)
2024-04-04	BUY	unknown	有吉和枝 kazue ariyoshi	strategic	392.7K	¥1,121	-10.2%	¥440M ($2.8M)
2024-01-05	SELL	unknown	有限会社フォー・エム 4M Co., Ltd.	activist	503.8K	¥1,089	+7.5%	¥16M ($106K)
2024-01-05	SELL	unknown	有限会社フォー・エム 4M Co., Ltd.	activist	503.8K	¥1,089	+7.5%	¥16M ($106K)
2024-01-05	SELL	unknown	有吉充騎 Mitsuki Ariyoshi	strategic	12.8K	¥1,089	+7.5%	¥905M ($5.8M)
2024-01-05	SELL	unknown	有吉正騎 Masaki Ariyoshi	strategic	12.8K	¥1,089	+7.5%	¥905M ($5.8M)
2024-01-05	BUY	unknown	守屋実保 Minoru Moriya	strategic	10.8K	¥1,089	-7.5%	¥12M ($76K)
2024-01-05	BUY	unknown	有吉美和 Miwa Ariyoshi	strategic	117.0K	¥1,089	-7.5%	¥21M ($133K)
2024-01-05	SELL	unknown	有吉充騎 Mitsuki Ariyoshi	strategic	12.8K	¥1,089	+7.5%	¥905M ($5.8M)
2024-01-05	SELL	unknown	有吉正騎 Masaki Ariyoshi	strategic	12.8K	¥1,089	+7.5%	¥905M ($5.8M)

Showing the 50 most recent of 128 filings.

Frequently asked questions

Who has been buying Uoki Co.,Ltd. stock?: 6 distinct investors have filed 24 disclosed large-shareholding filings in Uoki Co.,Ltd. (2683), most recently on 2026-02-06. 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 Uoki Co.,Ltd. have?: Uoki Co.,Ltd. has 24 buy-side and 33 sell-side disclosures on record, covering ¥234M ($1.5M) in total reported value, spanning 2021-08-27 to 2026-02-06.
Where does StockDrifts get Uoki 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 Uoki Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.