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

6 distinct investors have filed 11 disclosed large-shareholding filings in J Frontier Co.,Ltd. (2934), most recently on 2024-12-19. 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 Frontier Co.,Ltd. have?

J Frontier Co.,Ltd. has 11 buy-side and 18 sell-side disclosures on record, covering ¥11.2B ($72.0M) in total reported value, spanning 2021-09-02 to 2024-12-19.

Where does StockDrifts get J Frontier 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.

J Frontier Co.,Ltd. 2934

Company

ジェイフロンティア株式会社J Frontier Co.,Ltd.

Investors

Buys

Total Value

¥11.2B ($72.0M)

Avg Return

-52.11%

Last Filing

2024-12-19

J Frontier Co.,Ltd. (2934) has 11 disclosed large-shareholding filings and 18 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥11.2B ($72.0M) in reported transaction value. The earliest filing StockDrifts holds for J Frontier Co.,Ltd. is dated 2021-09-02; the most recent is 2024-12-19. 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 -52.11%, 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
2024-12-19	SELL	Market Buy	明治安田アセットマネジメント株式会社 Meiji Yasuda Asset Management Company Ltd.	passive	131.4K	¥1,321	-18.2%	¥272M ($1.8M)
2024-11-07	SELL	Market Buy	明治安田アセットマネジメント株式会社 Meiji Yasuda Asset Management Company Ltd.	passive	337.3K	¥1,634	+4.4%	¥98M ($629K)
2024-08-06	SELL	Market Buy	明治安田アセットマネジメント株式会社 Meiji Yasuda Asset Management Company Ltd.	passive	395.9K	¥1,259	-24.1%	¥85M ($547K)
2024-06-07	BUY	Market Buy	明治安田アセットマネジメント株式会社 Meiji Yasuda Asset Management Company Ltd.	passive	463.2K	¥2,263	-31.0%	¥121M ($780K)
2024-05-01	SELL	unknown	中村篤弘 Atsuhiro Nakamura	activist	2.4M	¥2,405	+35.0%	¥285M ($1.8M)
2024-05-01	SELL	unknown	株式会社篤志 Atsushi Co., Ltd.	strategic	1.0M	¥2,405	+35.0%	¥120M ($773K)
2024-01-16	BUY	Market Buy	明治安田アセットマネジメント株式会社 Meiji Yasuda Asset Management Company Ltd.	passive	408.0K	¥3,970	-60.6%	¥223M ($1.4M)
2023-11-01	BUY	Market Buy	明治安田アセットマネジメント株式会社 Meiji Yasuda Asset Management Company Ltd.	passive	351.4K	¥4,165	-62.5%	¥347M ($2.2M)
2023-08-22	SELL	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	119.5K	¥4,840	+67.7%	¥1.8B ($11.5M)
2023-06-30	SELL	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	526.6K	¥3,630	+57.0%	¥147M ($951K)
2023-06-27	BUY	unknown	UBS証券株式会社 UBS Securities Co., Ltd.	other	0	¥3,565	-56.2%	-
2023-06-27	BUY	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	579.1K	¥3,565	-56.2%	¥1.8B ($11.8M)
2023-05-25	SELL	unknown	株式会社篤志 Atsushi Co., Ltd.	strategic	1.0M	¥2,405	+35.0%	¥67M ($433K)
2023-05-25	SELL	unknown	株式会社篤志 Atsushi Co., Ltd.	strategic	1.0M	¥2,405	+35.0%	¥67M ($433K)
2023-05-25	SELL	unknown	中村篤弘 Atsuhiro Nakamura	activist	2.4M	¥2,405	+35.0%	¥159M ($1.0M)
2023-05-25	SELL	unknown	中村篤弘 Atsuhiro Nakamura	activist	2.4M	¥2,405	+35.0%	¥159M ($1.0M)
2023-02-03	BUY	Market Buy	明治安田アセットマネジメント株式会社 Meiji Yasuda Asset Management Company Ltd.	passive	255.5K	¥2,203	-29.1%	¥563M ($3.6M)
2022-11-28	BUY	unknown	UBS証券株式会社 UBS Securities Co., Ltd.	other	0	¥3,165	-50.6%	-
2022-11-28	BUY	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	634.2K	¥3,165	-50.6%	¥1.8B ($11.4M)
2022-11-14	BUY	unknown	UBS証券株式会社 UBS Securities Co., Ltd.	other	100	¥3,175	-50.8%	¥318K ($2K)
2022-11-14	BUY	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	686.5K	¥3,175	-50.8%	¥2.2B ($14.1M)
2022-09-13	BUY	unknown	株式会社篤志 Atsushi Co., Ltd.	strategic	1.0M	¥2,613	-40.2%	¥2.6B ($16.9M)
2022-09-13	SELL	unknown	中村篤弘 Atsuhiro Nakamura	activist	2.4M	¥2,613	+40.2%	¥124M ($802K)
2022-07-25	BUY	unknown	株式会社篤志 Atsushi Co., Ltd.	strategic	1.0M	¥1,976	-20.9%	¥2.0B ($12.7M)
2022-07-25	SELL	unknown	株式会社篤志 Atsushi Co., Ltd.	strategic	1.0M	¥1,976	+20.9%	¥74M ($479K)
2022-07-25	BUY	unknown	株式会社篤志 Atsushi Co., Ltd.	strategic	1.0M	¥1,976	-20.9%	¥2.0B ($12.7M)
2022-07-25	SELL	unknown	株式会社篤志 Atsushi Co., Ltd.	strategic	1.0M	¥1,976	+20.9%	¥74M ($479K)
2022-07-25	SELL	unknown	中村篤弘 Atsuhiro Nakamura	activist	2.4M	¥1,976	+20.9%	¥180M ($1.2M)
2022-07-25	BUY	unknown	中村篤弘 Atsuhiro Nakamura	activist	2.4M	¥1,976	-20.9%	¥4.8B ($30.8M)
2022-07-25	SELL	unknown	中村篤弘 Atsuhiro Nakamura	activist	2.4M	¥1,976	+20.9%	¥180M ($1.2M)
2022-07-25	BUY	unknown	中村篤弘 Atsuhiro Nakamura	activist	2.4M	¥1,976	-20.9%	¥4.8B ($30.8M)
2021-12-21	BUY	Market Buy	竹尾昌大 Masahiro Takeo	passive	100.0K	¥2,198	-28.9%	¥443M ($2.9M)
2021-12-21	SELL	Market Buy	竹尾昌大 Masahiro Takeo	passive	100.0K	¥2,198	+28.9%	¥443M ($2.9M)
2021-09-13	SELL	Market Buy	竹尾昌大 Masahiro Takeo	passive	300.0K	¥3,580	+56.4%	¥143M ($920K)
2021-09-13	BUY	Market Buy	竹尾昌大 Masahiro Takeo	passive	300.0K	¥3,580	-56.4%	¥143M ($920K)
2021-09-03	BUY	unknown	株式会社篤志 Atsushi Co., Ltd.	strategic	1.0M	¥3,805	-59.0%	¥3.8B ($24.5M)
2021-09-03	BUY	unknown	中村篤弘 Atsuhiro Nakamura	activist	2.4M	¥3,805	-59.0%	¥9.2B ($59.3M)
2021-09-02	BUY	Market Buy	竹尾昌大 Masahiro Takeo	passive	340.0K	¥4,290	-63.6%	¥1.5B ($9.4M)
2021-09-02	BUY	Market Buy	竹尾昌大 Masahiro Takeo	passive	340.0K	¥4,290	-63.6%	¥1.5B ($9.4M)

Frequently asked questions

Who has been buying J Frontier Co.,Ltd. stock?: 6 distinct investors have filed 11 disclosed large-shareholding filings in J Frontier Co.,Ltd. (2934), most recently on 2024-12-19. 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 Frontier Co.,Ltd. have?: J Frontier Co.,Ltd. has 11 buy-side and 18 sell-side disclosures on record, covering ¥11.2B ($72.0M) in total reported value, spanning 2021-09-02 to 2024-12-19.
Where does StockDrifts get J Frontier 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 J Frontier Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.