Who has been buying Itoki Corporation stock?

10 distinct investors have filed 26 disclosed large-shareholding filings in Itoki Corporation (7972), most recently on 2026-04-07. 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 Itoki Corporation have?

Itoki Corporation has 26 buy-side and 27 sell-side disclosures on record, covering ¥24.2B ($156.3M) in total reported value, spanning 2021-03-19 to 2026-04-07.

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.

Itoki Corporation 7972

Company

株式会社イトーキItoki Corporation

Investors

Buys

Total Value

¥24.2B ($156.3M)

Avg Return

+260.09%

Last Filing

2026-04-07

Itoki Corporation (7972) has 26 disclosed large-shareholding filings and 27 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥24.2B ($156.3M) in reported transaction value. The earliest filing StockDrifts holds for Itoki Corporation is dated 2021-03-19; the most recent is 2026-04-07. Across these filings the average return since disclosure is +260.09%, 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
2026-09-25	SELL	unknown	アセットマネジメントOne株式会社	other	1.7M	¥2,492	+0.0%	¥1.2B ($7.8M)
2026-09-25	BUY	unknown	みずほ信託銀行株式会社	strategic	350.0K	¥2,492	-	-
2026-09-25	SELL	unknown	みずほ証券株式会社	other	18.0K	¥2,492	+0.0%	¥120M ($772K)
2026-09-25	BUY	unknown	株式会社みずほ銀行	strategic	1.1M	¥2,492	-	-
2026-09-24	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	765.7K	¥2,492	+0.0%	¥625M ($4.0M)
2026-09-24	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社	other	1.4M	¥2,492	+0.0%	¥918M ($5.9M)
2026-04-07	BUY	unknown	株式会社みずほ銀行	strategic	1.1M	¥3,365	-	-
2026-04-07	SELL	unknown	みずほ証券株式会社	other	64.4K	¥3,365	+25.9%	¥359M ($2.3M)
2026-04-07	BUY	unknown	みずほ信託銀行株式会社	strategic	350.0K	¥3,365	-	-
2026-04-07	BUY	unknown	アセットマネジメントOne株式会社	other	2.2M	¥3,365	-25.9%	¥2.6B ($16.5M)
2026-03-19	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社	other	1.7M	¥3,295	-24.4%	¥5.7B ($36.5M)
2026-03-19	BUY	unknown	アモーヴァ・アセットマネジメント株式会社	other	1.0M	¥3,295	-24.4%	¥3.3B ($21.6M)
2026-01-21	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社	other	1.7M	¥2,535	+1.7%	¥487M ($3.1M)
2026-01-21	BUY	unknown	アモーヴァ・アセットマネジメント株式会社	other	948.7K	¥2,535	-1.7%	¥81M ($524K)
2025-09-19	BUY	unknown	アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd.	other	917.0K	¥2,523	-1.2%	¥54M ($348K)
2025-09-19	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.9M	¥2,523	+1.2%	¥121M ($782K)
2025-06-19	SELL	Market Buy	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.9M	¥2,080	-19.8%	¥67M ($430K)
2025-06-19	BUY	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	898.8K	¥2,080	+19.8%	¥111M ($716K)
2024-10-21	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	2.0M	¥1,565	+59.2%	¥3.1B ($19.9M)
2024-10-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	842.1K	¥1,565	+59.2%	¥1.3B ($8.5M)
2024-05-09	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	1.1M	¥1,874	-	-
2024-05-09	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	171.2K	¥1,874	-33.0%	¥1.2B ($7.9M)
2024-05-09	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	350.0K	¥1,874	-	-
2024-05-09	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.5M	¥1,874	+33.0%	¥50M ($323K)
2024-04-05	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	1.1M	¥1,811	-	-
2024-04-05	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	822.9K	¥1,811	+37.6%	¥976M ($6.3M)
2024-04-05	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	350.0K	¥1,811	-	-
2024-04-05	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.5M	¥1,811	+37.6%	¥744M ($4.8M)
2024-04-04	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.1M	¥1,829	-36.3%	¥1.1B ($7.1M)
2024-04-04	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	844.2K	¥1,829	-36.3%	¥293M ($1.9M)
2024-03-25	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	281.0K	¥1,710	+45.7%	¥481M ($3.1M)
2024-03-25	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	1.1M	¥1,710	+45.7%	¥1.9B ($12.4M)
2024-03-25	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	350.0K	¥1,710	+45.7%	¥599M ($3.9M)
2024-03-25	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.0M	¥1,710	+45.7%	¥1.8B ($11.5M)
2024-02-28	SELL	Market Buy	インフレクション・ツー・ケイマン・ジーピー・インク (InfleXion II Cayman GP InfleXion II Cayman GP	passive	0	¥1,660	-50.1%	¥1.7B ($10.8M)
2024-02-28	SELL	Market Buy	株式会社フラッグシップアセットマネジメント Flagship Asset Management, Inc.	passive	0	¥1,660	-50.1%	¥1.2B ($7.6M)
2024-02-28	SELL	Market Buy	株式会社フラッグシップアセットマネジメント Flagship Asset Management, Inc.	passive	706.9K	¥1,660	-50.1%	¥1.9B ($12.3M)
2024-02-28	SELL	Market Buy	株式会社フラッグシップアセットマネジメント Flagship Asset Management, Inc.	passive	0	¥1,660	-50.1%	¥1.2B ($7.6M)
2024-02-28	SELL	Market Buy	株式会社フラッグシップアセットマネジメント Flagship Asset Management, Inc.	passive	706.9K	¥1,660	-50.1%	¥1.9B ($12.3M)
2024-02-28	BUY	Market Buy	インフレクション・ツー・ジーピー・インク (InfleXion II GP InfleXion II GP	passive	2.8M	¥1,660	+50.1%	¥4.4B ($28.7M)
2024-02-28	SELL	Market Buy	インフレクション・ツー・ケイマン・ジーピー・インク (InfleXion II Cayman GP InfleXion II Cayman GP	passive	1.0M	¥1,660	-50.1%	¥2.7B ($17.5M)
2024-02-28	SELL	Market Buy	インフレクション・ツー・ジーピー・インク (InfleXion II GP InfleXion II GP	passive	0	¥1,660	-50.1%	¥4.6B ($29.4M)
2024-02-28	BUY	Market Buy	インフレクション・ツー・ジーピー・インク (InfleXion II GP InfleXion II GP	passive	2.8M	¥1,660	+50.1%	¥4.4B ($28.7M)
2024-02-28	SELL	Market Buy	インフレクション・ツー・ケイマン・ジーピー・インク (InfleXion II Cayman GP InfleXion II Cayman GP	passive	1.0M	¥1,660	-50.1%	¥2.7B ($17.5M)
2024-02-28	SELL	Market Buy	インフレクション・ツー・ジーピー・インク (InfleXion II GP InfleXion II GP	passive	0	¥1,660	-50.1%	¥4.6B ($29.4M)
2024-02-28	SELL	Market Buy	インフレクション・ツー・ケイマン・ジーピー・インク (InfleXion II Cayman GP InfleXion II Cayman GP	passive	0	¥1,660	-50.1%	¥1.7B ($10.8M)
2024-02-22	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	27.4K	¥1,851	-34.6%	¥64M ($411K)
2024-02-22	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	1.1M	¥1,851	-34.6%	¥542M ($3.5M)
2024-02-22	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	350.0K	¥1,851	-34.6%	¥170M ($1.1M)
2024-02-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	814.1K	¥1,851	-34.6%	¥329M ($2.1M)

Showing the 50 most recent of 65 filings.

Frequently asked questions

Who has been buying Itoki Corporation stock?: 10 distinct investors have filed 26 disclosed large-shareholding filings in Itoki Corporation (7972), most recently on 2026-04-07. 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 Itoki Corporation have?: Itoki Corporation has 26 buy-side and 27 sell-side disclosures on record, covering ¥24.2B ($156.3M) in total reported value, spanning 2021-03-19 to 2026-04-07.
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.