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

10 distinct investors have filed 10 disclosed large-shareholding filings in Ichikawa Co., Ltd. (3513), most recently on 2026-05-08. 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 Ichikawa Co., Ltd. have?

Ichikawa Co., Ltd. has 10 buy-side and 9 sell-side disclosures on record, covering ¥1.5B ($9.7M) in total reported value, spanning 2021-12-07 to 2026-05-08.

Where does StockDrifts get Ichikawa 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.

Ichikawa Co., Ltd. 3513

Company

イチカワ株式会社Ichikawa Co., Ltd.

Investors

Buys

Total Value

¥1.5B ($9.7M)

Avg Return

+11.34%

Last Filing

2026-05-08

Ichikawa Co., Ltd. (3513) has 10 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥1.5B ($9.7M) in reported transaction value. The earliest filing StockDrifts holds for Ichikawa Co., Ltd. is dated 2021-12-07; the most recent is 2026-05-08. 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 +11.34%, 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
2026-06-12	BUY	unknown	株式会社ドリームキャリアホールディングス	activist	5.8K	¥3,145	+14.8%	¥18M ($118K)
2026-06-12	BUY	unknown	植島幹九郎	activist	95.3K	¥3,145	+14.8%	¥300M ($1.9M)
2026-06-12	BUY	Market Buy	株式会社DOE5パーセント	activist	12.0K	¥3,145	+14.8%	¥25M ($161K)
2026-06-12	BUY	Market Buy	株式会社UESHIMA	activist	43.9K	¥3,145	+14.8%	¥8M ($50K)
2026-06-12	BUY	Market Buy	株式会社ナチュラリ	activist	221.3K	¥3,145	+14.8%	¥28M ($181K)
2026-05-08	BUY	unknown	株式会社UESHIMA	activist	41.1K	¥3,025	+7.1%	¥124M ($802K)
2026-05-08	BUY	unknown	株式会社ドリームキャリアホールディングス	activist	5.8K	¥3,025	+7.1%	¥18M ($113K)
2026-05-08	BUY	Market Buy	株式会社ナチュラリ	activist	212.5K	¥3,025	+7.1%	¥245M ($1.6M)
2026-05-08	SELL	unknown	植島幹九郎	activist	95.3K	¥3,025	-7.1%	¥93M ($601K)
2026-05-08	BUY	unknown	株式会社DOE5パーセント	activist	4.2K	¥3,025	+7.1%	¥13M ($82K)
2026-04-02	BUY	unknown	株式会社ドリームキャリアホールディングス	activist	5.8K	¥3,700	-9.1%	¥21M ($138K)
2026-04-02	BUY	unknown	株式会社ナチュラリ	activist	131.4K	¥3,700	-9.1%	¥44M ($285K)
2026-04-02	BUY	unknown	株式会社UESHIMA	activist	41.1K	¥3,700	-9.1%	¥153M ($984K)
2026-04-02	BUY	unknown	植島幹九郎	activist	126.4K	¥3,700	-9.1%	¥468M ($3.0M)
2026-04-02	BUY	unknown	株式会社DOE5パーセント	activist	4.2K	¥3,700	-9.1%	¥16M ($100K)
2026-03-23	BUY	unknown	みずほ信託銀行株式会社	other	161.3K	¥3,460	+5.8%	¥590M ($3.8M)
2026-03-23	BUY	unknown	株式会社みずほ銀行	strategic	175.6K	¥3,460	-5.8%	¥643M ($4.1M)
2026-03-11	BUY	unknown	株式会社ドリームキャリアホールディングス	activist	5.8K	¥4,190	-12.6%	¥21M ($137K)
2026-03-11	BUY	unknown	株式会社ナチュラリ	activist	119.6K	¥4,190	-12.6%	¥438M ($2.8M)
2026-03-11	BUY	unknown	植島幹九郎	activist	126.4K	¥4,190	-12.6%	¥463M ($3.0M)
2026-03-11	BUY	unknown	株式会社DOE5パーセント	activist	4.2K	¥4,190	-12.6%	¥15M ($99K)
2025-12-02	BUY	negotiated	日本製紙パピリア株式会社	strategic	9.2K	¥2,198	+66.5%	¥34M ($217K)
2025-12-02	SELL	negotiated	日本製紙株式会社	strategic	199.9K	¥2,198	-66.5%	¥732M ($4.7M)
2025-08-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	unknown	0	¥1,829	-100.1%	¥11M ($70K)
2025-08-07	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	90.3K	¥1,829	-100.1%	¥100M ($645K)
2025-08-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	175.6K	¥1,829	+100.1%	¥321M ($2.1M)
2024-02-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	5.8K	¥1,775	-106.2%	¥4M ($28K)
2024-02-07	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	144.9K	¥1,775	+106.2%	¥133M ($859K)
2024-02-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	175.6K	¥1,775	+106.2%	¥312M ($2.0M)
2023-09-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	8.6K	¥1,475	-148.1%	¥70M ($454K)
2023-09-07	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	69.9K	¥1,475	-148.1%	¥18M ($113K)
2023-09-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	175.6K	¥1,475	+148.1%	¥259M ($1.7M)
2021-12-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	175.6K	¥1,372	+166.8%	¥241M ($1.6M)
2021-12-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	56.2K	¥1,372	-166.8%	¥20M ($132K)
2021-12-07	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	81.9K	¥1,372	-166.8%	¥10M ($66K)

Frequently asked questions

Who has been buying Ichikawa Co., Ltd. stock?: 10 distinct investors have filed 10 disclosed large-shareholding filings in Ichikawa Co., Ltd. (3513), most recently on 2026-05-08. 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 Ichikawa Co., Ltd. have?: Ichikawa Co., Ltd. has 10 buy-side and 9 sell-side disclosures on record, covering ¥1.5B ($9.7M) in total reported value, spanning 2021-12-07 to 2026-05-08.
Where does StockDrifts get Ichikawa 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 Ichikawa Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.