Who has been buying J Trust Co., Ltd. stock?

10 distinct investors have filed 25 disclosed large-shareholding filings in J Trust Co., Ltd. (8508), most recently on 2026-03-27. 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 J Trust Co., Ltd. have?

J Trust Co., Ltd. has 25 buy-side and 24 sell-side disclosures on record, covering ¥29.0B ($187.4M) in total reported value, spanning 2021-05-21 to 2026-03-27.

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.

J Trust Co., Ltd. 8508

Company

Jトラスト株式会社J Trust Co., Ltd.

Investors

Buys

Total Value

¥29.0B ($187.4M)

Avg Return

+25.22%

Last Filing

2026-03-27

J Trust Co., Ltd. (8508) has 25 disclosed large-shareholding filings and 24 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥29.0B ($187.4M) in reported transaction value. The earliest filing StockDrifts holds for J Trust Co., Ltd. is dated 2021-05-21; the most recent is 2026-03-27. Across these filings the average return since disclosure is +25.22%, 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
2026-08-18	BUY	Market Buy	ジャパンポケット株式会社	activist	3.1M	¥903	-14.6%	¥84M ($544K)
2026-08-18	BUY	Market Buy	株式会社表参道キャピタル	strategic	1.5M	¥903	-14.6%	¥48M ($311K)
2026-08-18	BUY	Market Buy	株式会社クリア	activist	774.4K	¥903	-14.6%	¥24M ($156K)
2026-08-18	BUY	Market Buy	藤澤信義	activist	6.3M	¥903	-14.6%	¥181M ($1.2M)
2026-08-18	BUY	Market Buy	NLHD株式会社	activist	41.3M	¥903	-14.6%	¥1.7B ($11.0M)
2026-03-27	BUY	Market Buy	NLHD株式会社	activist	40.6M	¥548	+40.7%	¥673M ($4.3M)
2026-03-27	BUY	Market Buy	藤澤信義	activist	6.3M	¥548	+40.7%	¥110M ($708K)
2026-03-27	BUY	Market Buy	ジャパンポケット株式会社	activist	3.1M	¥548	+40.7%	¥51M ($330K)
2026-03-27	BUY	Market Buy	株式会社表参道キャピタル	activist	1.5M	¥548	+40.7%	¥29M ($189K)
2026-03-27	BUY	Market Buy	株式会社クリア	activist	774.4K	¥548	+40.7%	¥15M ($94K)
2026-03-27	BUY	Market Buy	藤澤信義	activist	6.3M	¥548	+40.7%	¥110M ($708K)
2026-03-27	BUY	Market Buy	ジャパンポケット株式会社	activist	3.1M	¥548	+40.7%	¥51M ($330K)
2026-03-27	BUY	Market Buy	NLHD株式会社	activist	40.6M	¥548	+40.7%	¥673M ($4.3M)
2026-03-27	BUY	Market Buy	株式会社表参道キャピタル	activist	1.5M	¥548	+40.7%	¥29M ($189K)
2026-03-27	BUY	Market Buy	株式会社クリア	activist	774.4K	¥548	+40.7%	¥15M ($94K)
2025-06-27	SELL	negotiated	藤澤信義 Nobuyoshi Fujisawa	activist	6.3M	¥418	-84.5%	¥2.2B ($14.0M)
2025-06-27	BUY	negotiated	ジャパンポケット株式会社 Japan Pocket Co., Ltd.	activist	3.1M	¥418	-	-
2025-06-27	BUY	negotiated	NLHD株式会社 NLHD Kabushiki Kaisya	activist	40.6M	¥418	+84.5%	¥2.2B ($14.0M)
2025-06-27	BUY	negotiated	株式会社表参道キャピタル Omotesando Capital Co., Ltd.	activist	1.5M	¥418	-	-
2025-06-27	BUY	negotiated	株式会社クリア Clear Co., Ltd.	activist	774.4K	¥418	-	-
2024-12-09	BUY	Market Buy	Choi Yoon	passive	231.7K	¥429	+79.7%	¥6M ($38K)
2024-12-09	BUY	Market Buy	OK Holdings Co., LTD.	passive	8.1M	¥429	+79.7%	¥224M ($1.4M)
2024-10-03	BUY	Market Buy	ジャパンポケット株式会社 Japan Pocket Co., Ltd.	activist	3.1M	¥424	-	-
2024-10-03	BUY	Market Buy	藤澤信義 Nobuyoshi Fujisawa	activist	11.5M	¥424	-	-
2024-10-03	BUY	Market Buy	NLHD株式会社 NLHD Kabushiki Kaisya	activist	35.4M	¥424	-	-
2024-10-03	BUY	Market Buy	株式会社表参道キャピタル Omotesando Capital Co., Ltd.	activist	1.5M	¥424	-	-
2024-10-03	BUY	Market Buy	株式会社クリア Clear Co., Ltd.	activist	774.4K	¥424	-	¥328M ($2.1M)
2024-06-07	BUY	Market Buy	藤澤信義 Nobuyoshi Fujisawa	activist	11.5M	¥398	+93.7%	¥290M ($1.9M)
2024-06-07	BUY	Market Buy	ジャパンポケット株式会社 Japan Pocket Co., Ltd.	activist	3.1M	¥398	+93.7%	¥77M ($495K)
2024-06-07	BUY	Market Buy	NLHD株式会社 NLHD Kabushiki Kaisya	activist	35.4M	¥398	+93.7%	¥899M ($5.8M)
2024-06-07	BUY	Market Buy	株式会社表参道キャピタル Omotesando Capital Co., Ltd.	activist	1.5M	¥398	+93.7%	¥219M ($1.4M)
2023-12-04	SELL	Market Buy	OK Holdings Co., LTD.	passive	8.1M	¥467	-65.1%	¥27M ($177K)
2023-12-04	BUY	Market Buy	Choi Yoon	passive	231.7K	¥467	-	-
2023-03-13	SELL	Market Buy	Choi Yoon	passive	231.7K	¥427	-80.6%	¥13M ($81K)
2023-03-13	BUY	Market Buy	OK Holdings Co., LTD.	passive	8.2M	¥427	+80.6%	¥3.4B ($22.2M)
2023-02-17	BUY	Market Buy	藤澤信義 Nobuyoshi Fujisawa	activist	11.5M	¥492	+56.7%	¥260M ($1.7M)
2023-02-17	BUY	Market Buy	ジャパンポケット株式会社 Japan Pocket Co., Ltd.	activist	3.1M	¥492	-	-
2023-02-17	BUY	Market Buy	NLHD株式会社 NLHD Kabushiki Kaisya	activist	35.4M	¥492	-	-
2023-02-17	BUY	Market Buy	株式会社表参道キャピタル Omotesando Capital Co., Ltd.	activist	1.0M	¥492	-	¥505M ($3.3M)
2023-02-08	SELL	negotiated	藤澤信義 Nobuyoshi Fujisawa	activist	11.0M	¥569	-35.5%	¥1.0B ($6.6M)
2023-02-08	BUY	negotiated	ジャパンポケット株式会社 Japan Pocket Co., Ltd.	activist	3.1M	¥569	+35.5%	¥243M ($1.6M)
2023-02-08	SELL	negotiated	NLHD株式会社 NLHD Kabushiki Kaisya	activist	35.4M	¥569	-35.5%	¥1.1B ($7.1M)
2022-12-02	SELL	Market Buy	OK Holdings Co., LTD.	passive	9.1M	¥529	-45.8%	¥127M ($819K)
2022-12-02	BUY	Market Buy	Choi Yoon	passive	231.7K	¥529	-	-
2022-11-01	BUY	Market Buy	OK Holdings Co., LTD.	passive	9.4M	¥654	+17.9%	¥6.1B ($39.1M)
2022-11-01	BUY	Market Buy	OK Holdings Co., LTD.	passive	9.4M	¥654	+17.9%	¥6.1B ($39.1M)
2022-11-01	SELL	Market Buy	Choi Yoon	passive	231.7K	¥654	-17.9%	¥17M ($107K)
2022-11-01	SELL	Market Buy	Choi Yoon	passive	231.7K	¥654	-17.9%	¥17M ($107K)
2022-11-01	BUY	Market Buy	OK Holdings Co., LTD.	passive	9.4M	¥654	+17.9%	¥6.1B ($39.1M)
2022-11-01	SELL	Market Buy	Choi Yoon	passive	231.7K	¥654	-17.9%	¥17M ($107K)

Showing the 50 most recent of 68 filings.

Frequently asked questions

Who has been buying J Trust Co., Ltd. stock?: 10 distinct investors have filed 25 disclosed large-shareholding filings in J Trust Co., Ltd. (8508), most recently on 2026-03-27. 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 J Trust Co., Ltd. have?: J Trust Co., Ltd. has 25 buy-side and 24 sell-side disclosures on record, covering ¥29.0B ($187.4M) in total reported value, spanning 2021-05-21 to 2026-03-27.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.