Who has been buying ItoKuro Inc. stock?

5 distinct investors have filed 12 disclosed large-shareholding filings in ItoKuro Inc. (6049), most recently on 2026-04-21. 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 ItoKuro Inc. have?

ItoKuro Inc. has 12 buy-side and 8 sell-side disclosures on record, covering ¥1.9B ($12.0M) in total reported value, spanning 2021-04-06 to 2026-04-21.

Where does StockDrifts get ItoKuro 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.

ItoKuro Inc. 6049

Company

株式会社イトクロItoKuro Inc.

Investors

Buys

Total Value

¥1.9B ($12.0M)

Avg Return

-17.48%

Last Filing

2026-04-21

ItoKuro Inc. (6049) has 12 disclosed large-shareholding filings and 8 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥1.9B ($12.0M) in reported transaction value. The earliest filing StockDrifts holds for ItoKuro Inc. is dated 2021-04-06; the most recent is 2026-04-21. 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 -17.48%, 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
2026-06-22	SELL	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	138.8K	¥253	+4.7%	¥277M ($1.8M)
2026-04-21	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	1.2M	¥281	-8.5%	¥346M ($2.2M)
2026-01-05	BUY	unknown	山木学 Manabu Yamaki	activist	12.9M	¥259	+6.6%	¥3.4B ($21.6M)
2025-11-07	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	83.8K	¥268	+3.0%	¥1.9B ($12.5M)
2025-10-07	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	1.2M	¥291	-5.2%	¥342M ($2.2M)
2025-07-22	SELL	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	663.7K	¥290	+4.8%	¥250M ($1.6M)
2025-06-06	BUY	Market Buy	山木学 Manabu Yamaki	activist	12.9M	¥307	-10.1%	¥13M ($81K)
2025-06-05	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	1.5M	¥304	-9.2%	¥104M ($672K)
2025-04-04	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	1.2M	¥249	+10.8%	¥295M ($1.9M)
2025-03-06	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	93.2K	¥267	+3.4%	¥2.2B ($14.0M)
2024-04-04	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	1.2M	¥270	+2.2%	¥329M ($2.1M)
2023-06-29	BUY	Market Buy	山木学 Manabu Yamaki	activist	12.8M	¥291	-5.2%	¥27M ($175K)
2023-06-29	BUY	unknown	山木学 Manabu Yamaki	activist	12.8M	¥291	-5.2%	¥27M ($175K)
2022-09-06	SELL	Market Buy	東京海上アセットマネジメント株式会社 Tokio Marine Asset Management Co.,Ltd.	passive	724.3K	¥417	+33.8%	¥256M ($1.7M)
2022-07-21	SELL	Market Buy	東京海上アセットマネジメント株式会社 Tokio Marine Asset Management Co.,Ltd.	passive	724.3K	¥398	+30.6%	¥245M ($1.6M)
2022-07-21	BUY	Market Buy	東京海上アセットマネジメント株式会社 Tokio Marine Asset Management Co.,Ltd.	passive	1.3M	¥398	-30.6%	¥35M ($227K)
2022-06-03	SELL	Market Buy	東京海上アセットマネジメント株式会社 Tokio Marine Asset Management Co.,Ltd.	passive	1.3M	¥421	+34.4%	¥107M ($690K)
2022-03-01	BUY	Market Buy	山木学 Manabu Yamaki	activist	12.6M	¥498	-44.6%	¥53M ($342K)
2022-01-20	BUY	unknown	山木学 Manabu Yamaki	activist	12.4M	¥434	-36.4%	¥5.4B ($34.7M)
2022-01-07	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	599.9K	¥457	+39.6%	¥316M ($2.0M)
2021-10-06	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	1.3M	¥917	-69.9%	¥1.2B ($7.6M)
2021-07-06	SELL	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	989.1K	¥1,193	+76.9%	¥290M ($1.9M)
2021-06-18	BUY	Market Buy	東京海上アセットマネジメント株式会社 Tokio Marine Asset Management Co.,Ltd.	passive	1.6M	¥1,178	-76.6%	¥310M ($2.0M)
2021-05-20	SELL	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	1.2M	¥1,041	+73.5%	¥241M ($1.6M)
2021-04-06	SELL	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	1.5M	¥1,230	+77.6%	¥446M ($2.9M)

Frequently asked questions

Who has been buying ItoKuro Inc. stock?: 5 distinct investors have filed 12 disclosed large-shareholding filings in ItoKuro Inc. (6049), most recently on 2026-04-21. 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 ItoKuro Inc. have?: ItoKuro Inc. has 12 buy-side and 8 sell-side disclosures on record, covering ¥1.9B ($12.0M) in total reported value, spanning 2021-04-06 to 2026-04-21.
Where does StockDrifts get ItoKuro 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 ItoKuro Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.