Who has been buying JADE GROUP, Inc. stock?

7 distinct investors have filed 22 disclosed large-shareholding filings in JADE GROUP, Inc. (3558), most recently on 2025-06-30. 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 JADE GROUP, Inc. have?

JADE GROUP, Inc. has 22 buy-side and 26 sell-side disclosures on record, covering ¥2.7B ($17.4M) in total reported value, spanning 2021-04-30 to 2025-06-30.

Where does StockDrifts get JADE GROUP, Inc. 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.

JADE GROUP, Inc. 3558

Company

株式会社ロコンドJADE GROUP, Inc.

Investors

Buys

Total Value

¥2.7B ($17.4M)

Avg Return

+55.37%

Last Filing

2025-06-30

JADE GROUP, Inc. (3558) has 22 disclosed large-shareholding filings and 26 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥2.7B ($17.4M) in reported transaction value. The earliest filing StockDrifts holds for JADE GROUP, Inc. is dated 2021-04-30; the most recent is 2025-06-30. 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 +55.37%, 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
2025-06-30	BUY	Market Buy	田中裕輔 tanaka yusuke	activist	1.8M	¥1,395	+42.6%	¥327M ($2.1M)
2025-03-21	SELL	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	179.0K	¥1,326	-50.0%	¥308M ($2.0M)
2025-03-21	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	393.5K	¥1,326	-50.0%	¥55M ($354K)
2025-01-22	SELL	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	411.7K	¥1,379	-44.2%	¥101M ($654K)
2025-01-22	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	435.9K	¥1,379	-44.2%	¥67M ($429K)
2025-01-17	BUY	unknown	アーカス・インベストメント・リミテッド取締役エグゼクティブ・ディレクターエドワード・カートライト Arcus Investment Limited Director/Executive Director Edward Cartwright	other	696.3K	¥1,321	+50.6%	¥158M ($1.0M)
2025-01-17	BUY	unknown	アーカス・インベストメント・リミテッド取締役エグゼクティブ・ディレクターエドワード・カートライト Arcus Investment Limited Director/Executive Director Edward Cartwright	other	696.3K	¥1,321	+50.6%	¥920M ($5.9M)
2025-01-10	SELL	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	546.9K	¥1,467	-35.6%	¥174M ($1.1M)
2024-12-17	SELL	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	665.3K	¥1,635	-21.6%	¥274M ($1.8M)
2024-12-05	SELL	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	832.8K	¥1,735	-14.6%	¥237M ($1.5M)
2024-11-26	SELL	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	969.9K	¥1,831	-8.6%	¥240M ($1.5M)
2024-10-31	BUY	unknown	アーカス・インベストメント・リミテッド取締役エグゼクティブ・ディレクターエドワード・カートライト Arcus Investment Limited Director/Executive Director Edward Cartwright	other	576.3K	¥1,748	+13.8%	¥1.0B ($6.5M)
2024-10-31	BUY	unknown	アーカス・インベストメント・リミテッド取締役エグゼクティブ・ディレクターエドワード・カートライト Arcus Investment Limited Director/Executive Director Edward Cartwright	other	576.3K	¥1,748	+13.8%	¥1.0B ($6.5M)
2024-10-07	SELL	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.1M	¥2,085	+4.6%	¥297M ($1.9M)
2024-09-04	SELL	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.2M	¥2,141	+7.1%	¥298M ($1.9M)
2024-08-29	SELL	unknown	田中裕輔 tanaka yusuke	activist	1.5M	¥2,141	+7.1%	¥184M ($1.2M)
2024-06-21	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	483.4K	¥1,745	-14.0%	¥72M ($466K)
2024-06-21	BUY	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	485.0K	¥1,745	+14.0%	¥305M ($2.0M)
2024-05-01	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.2M	¥1,494	+33.1%	¥221M ($1.4M)
2024-05-01	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.4M	¥1,494	+33.1%	¥225M ($1.5M)
2024-04-25	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.1M	¥1,397	+42.4%	¥177M ($1.1M)
2024-04-15	BUY	Market Buy	田中裕輔 tanaka yusuke	activist	1.6M	¥2,260	-12.0%	¥8M ($50K)
2024-03-21	SELL	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	309.7K	¥2,755	+27.8%	¥161M ($1.0M)
2024-03-21	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	525.3K	¥2,755	+27.8%	¥158M ($1.0M)
2024-01-09	SELL	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	956.9K	¥2,064	+3.6%	¥237M ($1.5M)
2023-12-25	SELL	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.1M	¥1,972	-0.9%	¥281M ($1.8M)
2023-06-06	SELL	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	368.8K	¥1,623	-22.6%	¥67M ($433K)
2023-06-06	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	582.8K	¥1,623	-22.6%	¥138M ($890K)
2023-03-27	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.2M	¥1,159	+71.6%	¥148M ($953K)
2023-03-27	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.2M	¥1,159	+71.6%	¥148M ($953K)
2023-01-17	BUY	unknown	オービス・インベストメント・マネジメント・リミテッド Orbis Investment Management Limited	other	552.4K	¥990	+100.9%	¥219M ($1.4M)
2023-01-17	SELL	unknown	オービス・インベストメント・マネジメント・(ガーンジー)・リミテッドLimited) Orbis Investment Management (Guernsey	other	0	¥990	-100.9%	¥245M ($1.6M)
2022-10-21	BUY	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	409.8K	¥1,250	+59.1%	¥168M ($1.1M)
2022-10-21	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	667.1K	¥1,250	-59.1%	¥17M ($111K)
2022-06-17	BUY	Market Buy	田中裕輔 tanaka yusuke	activist	1.6M	¥984	+102.1%	¥302M ($1.9M)
2022-06-17	BUY	unknown	田中裕輔 tanaka yusuke	activist	1.6M	¥984	+102.1%	¥302M ($1.9M)
2022-05-19	BUY	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	275.2K	¥1,017	+95.6%	¥2M ($15K)
2022-05-19	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	680.9K	¥1,017	-95.6%	¥181M ($1.2M)
2022-05-02	BUY	unknown	オービス・インベストメント・マネジメント・リミテッド Orbis Investment Management Limited	other	331.0K	¥1,030	+93.1%	¥341M ($2.2M)
2022-05-02	BUY	unknown	オービス・インベストメント・マネジメント・(ガーンジー)・リミテッドLimited) Orbis Investment Management (Guernsey	other	246.5K	¥1,030	+93.1%	¥254M ($1.6M)
2022-03-04	SELL	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	273.8K	¥975	-104.0%	¥7M ($43K)
2022-03-04	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	859.5K	¥975	-104.0%	¥140M ($903K)
2022-03-01	SELL	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	280.0K	¥1,026	-93.9%	¥7M ($46K)
2022-03-01	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	1.0M	¥1,026	-93.9%	¥121M ($783K)
2022-02-21	BUY	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	287.5K	¥1,015	+96.0%	¥40M ($256K)
2022-02-21	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	1.1M	¥1,015	-96.0%	¥117M ($752K)
2022-02-14	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	passive	1.1M	¥1,179	+68.7%	¥138M ($891K)
2022-01-21	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	passive	969.0K	¥1,141	+74.3%	¥204M ($1.3M)
2022-01-14	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	passive	790.0K	¥1,256	+58.4%	¥228M ($1.5M)
2022-01-05	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	passive	608.8K	¥1,276	+55.9%	¥777M ($5.0M)

Showing the 50 most recent of 52 filings.

Frequently asked questions

Who has been buying JADE GROUP, Inc. stock?: 7 distinct investors have filed 22 disclosed large-shareholding filings in JADE GROUP, Inc. (3558), most recently on 2025-06-30. 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 JADE GROUP, Inc. have?: JADE GROUP, Inc. has 22 buy-side and 26 sell-side disclosures on record, covering ¥2.7B ($17.4M) in total reported value, spanning 2021-04-30 to 2025-06-30.
Where does StockDrifts get JADE GROUP, Inc. 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 JADE GROUP, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.