Who has been buying I-ne Co. Ltd. stock?

9 distinct investors have filed 14 disclosed large-shareholding filings in I-ne Co. Ltd. (4933), most recently on 2026-01-06. 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 I-ne Co. Ltd. have?

I-ne Co. Ltd. has 14 buy-side and 34 sell-side disclosures on record, covering ¥5.2B ($33.4M) in total reported value, spanning 2021-04-21 to 2026-01-06.

Where does StockDrifts get I-ne 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.

I-ne Co. Ltd. 4933

Company

株式会社I-neI-ne Co. Ltd.

Investors

Buys

Total Value

¥5.2B ($33.4M)

Avg Return

-48.42%

Last Filing

2026-01-06

I-ne Co. Ltd. (4933) has 14 disclosed large-shareholding filings and 34 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥5.2B ($33.4M) in reported transaction value. The earliest filing StockDrifts holds for I-ne Co. Ltd. is dated 2021-04-21; the most recent is 2026-01-06. 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 -48.42%, 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
2026-07-21	BUY	unknown	株式会社COH	activist	7.4M	¥1,260	+14.8%	¥9.4B ($60.4M)
2026-07-21	SELL	unknown	大西洋平	activist	2.7M	¥1,260	-14.8%	¥2M ($14K)
2026-07-21	BUY	unknown	大西洋平	unknown	2.7M	¥1,260	+14.8%	¥3.4B ($22.1M)
2026-01-06	BUY	unknown	大西洋平	unknown	2.7M	¥1,331	+12.9%	¥3.2B ($20.3M)
2026-01-06	SELL	unknown	株式会社COH	activist	7.4M	¥1,331	+12.9%	¥8.6B ($55.6M)
2026-01-06	SELL	unknown	大西洋平	activist	2.7M	¥1,331	+12.9%	¥3.2B ($20.3M)
2025-11-20	SELL	unknown	りそなアセットマネジメント株式会社 Resona Asset Management Co., Ltd.	other	877.7K	¥1,409	+17.7%	¥429M ($2.8M)
2025-11-19	SELL	Market Buy	スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd.	passive	831.7K	¥1,400	+17.2%	¥366M ($2.4M)
2025-09-24	BUY	unknown	大西洋平 ONISHI Yohei	unknown	2.7M	¥1,503	-22.9%	¥4.1B ($26.4M)
2025-09-24	BUY	unknown	株式会社COH COH Co., Ltd.	activist	7.4M	¥1,503	-22.9%	¥11.2B ($72.0M)
2025-09-24	SELL	unknown	大西洋平 ONISHI Yohei	activist	2.7M	¥1,503	+22.9%	¥422M ($2.7M)
2025-09-17	BUY	unknown	株式会社COH COH Co., Ltd.	activist	7.4M	¥1,543	-24.9%	¥11.5B ($74.0M)
2025-09-17	SELL	unknown	大西洋平 ONISHI Yohei	activist	3.0M	¥1,543	+24.9%	¥294M ($1.9M)
2025-09-17	BUY	unknown	大西洋平 ONISHI Yohei	unknown	3.0M	¥1,543	-24.9%	¥4.6B ($29.9M)
2025-09-03	BUY	unknown	株式会社COH COH Co., Ltd.	activist	7.4M	¥1,602	-27.6%	¥11.9B ($76.8M)
2025-09-03	SELL	unknown	大西洋平 ONISHI Yohei	activist	3.2M	¥1,602	+27.6%	¥125M ($809K)
2025-09-03	BUY	unknown	大西洋平 ONISHI Yohei	unknown	3.2M	¥1,602	-27.6%	¥5.1B ($33.1M)
2025-03-24	BUY	Market Buy	りそなアセットマネジメント株式会社 Resona Asset Management Co., Ltd.	other	1.2M	¥1,674	-30.8%	¥342M ($2.2M)
2024-12-17	BUY	Market Buy	スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd.	passive	1.1M	¥1,897	-38.9%	¥374M ($2.4M)
2024-06-28	BUY	unknown	株式会社COH COH Co., Ltd.	activist	7.4M	¥1,724	-32.8%	¥12.8B ($82.6M)
2024-06-28	BUY	unknown	大西洋平 ONISHI Yohei	unknown	3.3M	¥1,724	-32.8%	¥5.6B ($36.4M)
2024-06-28	SELL	unknown	株式会社COH COH Co., Ltd.	activist	7.4M	¥1,724	+32.8%	¥9M ($59K)
2024-06-28	SELL	unknown	大西洋平 ONISHI Yohei	activist	3.3M	¥1,724	+32.8%	¥15M ($99K)
2024-06-28	BUY	unknown	大西洋平 ONISHI Yohei	activist	3.3M	¥1,724	-32.8%	¥5.6B ($36.4M)
2024-06-28	BUY	unknown	大西洋平 ONISHI Yohei	unknown	3.3M	¥1,724	-32.8%	¥5.6B ($36.4M)
2024-06-24	BUY	unknown	大西洋平 ONISHI Yohei	unknown	3.3M	¥1,754	-33.9%	¥5.7B ($37.0M)
2024-06-24	SELL	unknown	株式会社COH COH Co., Ltd.	activist	7.4M	¥1,754	+33.9%	¥9M ($60K)
2024-06-24	BUY	unknown	大西洋平 ONISHI Yohei	unknown	3.3M	¥1,754	-33.9%	¥5.7B ($37.0M)
2024-06-24	SELL	unknown	株式会社COH COH Co., Ltd.	activist	7.4M	¥1,754	+33.9%	¥9M ($60K)
2024-06-24	SELL	unknown	大西洋平 ONISHI Yohei	activist	3.3M	¥1,754	+33.9%	¥16M ($101K)
2024-06-24	SELL	unknown	大西洋平 ONISHI Yohei	activist	3.3M	¥1,754	+33.9%	¥16M ($101K)
2024-05-09	BUY	unknown	ベイリー・ギフォード・アンド・カンパニー(Baillie Gifford & Co) Baillie Gifford & Co	other	911.8K	¥1,868	-38.0%	¥1.7B ($11.0M)
2024-03-22	BUY	unknown	りそなアセットマネジメント株式会社 Resona Asset Management Co., Ltd.	other	975.9K	¥1,857	-37.6%	¥1.8B ($11.7M)
2024-01-24	BUY	unknown	大西洋平 ONISHI Yohei	unknown	3.3M	¥2,444	-52.6%	¥8.0B ($51.7M)
2024-01-24	BUY	unknown	株式会社COH COH Co., Ltd.	activist	7.4M	¥2,444	-52.6%	¥18.2B ($117.2M)
2024-01-24	SELL	unknown	大西洋平 ONISHI Yohei	activist	3.3M	¥2,444	+52.6%	¥513M ($3.3M)
2023-12-20	BUY	unknown	大西洋平 ONISHI Yohei	unknown	3.5M	¥2,427	-52.3%	¥8.5B ($54.6M)
2023-12-20	SELL	unknown	株式会社COH COH Co., Ltd.	activist	7.4M	¥2,427	+52.3%	¥151M ($974K)
2023-12-20	SELL	unknown	大西洋平 ONISHI Yohei	activist	3.5M	¥2,427	+52.3%	¥82M ($529K)
2023-12-04	BUY	Market Buy	スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd.	passive	895.0K	¥2,568	-54.9%	¥2.3B ($14.8M)
2023-09-12	BUY	unknown	大西洋平 ONISHI Yohei	unknown	3.5M	¥2,811	-58.8%	¥9.8B ($63.3M)
2023-09-12	BUY	unknown	株式会社COH COH Co., Ltd.	activist	7.4M	¥2,811	-58.8%	¥20.9B ($134.7M)
2023-09-12	SELL	unknown	大西洋平 ONISHI Yohei	activist	3.5M	¥2,811	+58.8%	¥3.5B ($22.7M)
2023-06-30	BUY	unknown	株式会社COH COH Co., Ltd.	activist	7.4M	¥2,750	-57.9%	¥20.4B ($131.8M)
2023-06-30	BUY	unknown	大西洋平 ONISHI Yohei	unknown	4.7M	¥2,750	-57.9%	¥13.0B ($84.1M)
2023-06-30	SELL	unknown	大西洋平 ONISHI Yohei	activist	4.7M	¥2,750	+57.9%	¥10M ($63K)
2023-05-18	BUY	Market Buy	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	64.6K	¥3,415	-66.1%	¥72M ($466K)
2023-05-18	SELL	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	124.7K	¥3,415	+66.1%	¥6M ($39K)
2023-05-18	BUY	Market Buy	JPモルガン・アセット・マネジメント株式会社 JPMorgan Asset Management (Japan) Limited	passive	494.1K	¥3,415	-66.1%	¥1.7B ($10.7M)
2023-04-25	BUY	unknown	大西洋平 ONISHI Yohei	unknown	4.7M	¥3,280	-64.7%	¥15.6B ($100.4M)

Showing the 50 most recent of 77 filings.

Frequently asked questions

Who has been buying I-ne Co. Ltd. stock?: 9 distinct investors have filed 14 disclosed large-shareholding filings in I-ne Co. Ltd. (4933), most recently on 2026-01-06. 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 I-ne Co. Ltd. have?: I-ne Co. Ltd. has 14 buy-side and 34 sell-side disclosures on record, covering ¥5.2B ($33.4M) in total reported value, spanning 2021-04-21 to 2026-01-06.
Where does StockDrifts get I-ne 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 I-ne Co. Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.