Who has been buying IID, Inc. stock?

6 distinct investors have filed 8 disclosed large-shareholding filings in IID, Inc. (6038), most recently on 2025-11-07. 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 IID, Inc. have?

IID, Inc. has 8 buy-side and 1 sell-side disclosures on record, covering ¥5.8B ($37.7M) in total reported value, spanning 2021-03-19 to 2025-11-07.

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.

IID, Inc. 6038

Company

株式会社イードIID, Inc.

Investors

Buys

Total Value

¥5.8B ($37.7M)

Avg Return

+8.53%

Last Filing

2025-11-07

IID, Inc. (6038) has 8 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥5.8B ($37.7M) in reported transaction value. The earliest filing StockDrifts holds for IID, Inc. is dated 2021-03-19; the most recent is 2025-11-07. Across these filings the average return since disclosure is +8.53%, 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
2025-11-07	BUY	unknown	株式会社博報堂 HAKUHODO INCORPORATED	strategic	517.7K	¥987	-15.9%	¥511M ($3.3M)
2025-11-07	SELL	unknown	株式会社博報堂DYメディアパートナーズ HAKUHODO DY MEDIA PARTNERS INCORPORATED	strategic	0	¥987	+15.9%	¥511M ($3.3M)
2025-11-07	BUY	unknown	株式会社博報堂 HAKUHODO INCORPORATED	strategic	517.7K	¥987	-	¥511M ($3.3M)
2025-10-31	BUY	unknown	宮川洋 Hiroshi Miyakawa	activist	5.1M	¥993	-	¥5.0B ($32.4M)
2025-10-31	BUY	unknown	宮川洋 Hiroshi Miyakawa	activist	5.1M	¥993	-16.4%	¥5.0B ($32.4M)
2025-02-26	BUY	unknown	株式会社ポプラ社 Poplar Publishing Company, Limited	strategic	250.0K	¥730	+13.7%	¥3M ($17K)
2024-11-01	BUY	unknown	宮川洋 Hiroshi Miyakawa	activist	273.4K	¥724	+14.6%	¥198M ($1.3M)
2021-04-07	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	177.4K	¥932	-10.9%	¥163M ($1.1M)
2021-04-07	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	1.0K	¥932	-10.9%	¥93M ($603K)
2021-03-19	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	251.1K	¥823.497	+0.8%	¥207M ($1.3M)
2021-03-19	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	0	¥823.497	+0.8%	-

Frequently asked questions

Who has been buying IID, Inc. stock?: 6 distinct investors have filed 8 disclosed large-shareholding filings in IID, Inc. (6038), most recently on 2025-11-07. 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 IID, Inc. have?: IID, Inc. has 8 buy-side and 1 sell-side disclosures on record, covering ¥5.8B ($37.7M) in total reported value, spanning 2021-03-19 to 2025-11-07.
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.