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

25 distinct investors have filed 26 disclosed large-shareholding filings in Aeon Co., Ltd. (8267), most recently on 2026-04-06. 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 Aeon Co., Ltd. have?

Aeon Co., Ltd. has 26 buy-side and 32 sell-side disclosures on record, covering ¥139.9B ($902.7M) in total reported value, spanning 2021-10-21 to 2026-04-06.

Where does StockDrifts get Aeon 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.

Aeon Co., Ltd. 8267

Company

イオン株式会社Aeon Co., Ltd.

Investors

Buys

Total Value

¥139.9B ($902.7M)

Avg Return

+36.43%

Last Filing

2026-04-06

Aeon Co., Ltd. (8267) has 26 disclosed large-shareholding filings and 32 disclosed disposals on record, filed by 25 distinct investors. Together those filings cover ¥139.9B ($902.7M) in reported transaction value. The earliest filing StockDrifts holds for Aeon Co., Ltd. is dated 2021-10-21; the most recent is 2026-04-06. 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 +36.43%, 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
2026-04-06	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	62.9M	¥1,933	+19.7%	¥19.4B ($125.0M)
2026-04-06	SELL	unknown	三井住友信託銀行株式会社	other	19.1M	¥1,933	+19.7%	¥3.8B ($24.3M)
2026-04-06	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	51.1M	¥1,933	+19.7%	¥538M ($3.5M)
2025-09-19	SELL	negotiated	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	51.6M	¥1,816	+5.5%	¥505M ($3.3M)
2025-09-19	SELL	negotiated	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	73.0M	¥1,816	+5.5%	¥505M ($3.3M)
2025-09-19	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	21.3M	¥1,816	-5.5%	¥38.6B ($249.0M)
2025-08-22	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	37.0M	¥1,859	+7.7%	¥4.7B ($30.0M)
2025-08-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	845.5K	¥1,859	+7.7%	¥5.2B ($33.4M)
2025-08-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	3.8M	¥1,859	-7.7%	¥69.0B ($445.1M)
2025-07-22	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	17.2M	¥1,572	+9.1%	¥27.1B ($174.9M)
2025-07-22	BUY	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	24.4M	¥1,572	+9.1%	¥2.0B ($13.2M)
2025-07-22	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	7.1M	¥1,572	+9.1%	¥43.8B ($282.3M)
2025-07-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	37.2M	¥1,520.33	+12.8%	¥56.5B ($364.4M)
2025-07-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	3.4M	¥1,520.33	+12.8%	¥5.1B ($33.0M)
2025-07-07	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	3.2M	¥1,520.33	+12.8%	¥4.8B ($31.2M)
2025-07-03	BUY	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	14.0M	¥1,485	+15.5%	¥6.0B ($38.4M)
2025-07-03	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	2.4M	¥1,485	+15.5%	¥3.5B ($22.8M)
2025-07-03	BUY	Market Buy	ブラックロック・フィナンシャル・マネジメント・インク(BlackRock Financial Management BlackRock Financial Management, Inc.	passive	277.5K	¥1,485	+15.5%	¥37.4B ($241.4M)
2025-07-03	SELL	Market Buy	ブラックロック・インベストメント・マネジメント(ユーケー)リミテッドLimited) BlackRock Investment Management (UK	passive	855.2K	¥1,485	-15.5%	¥1.7B ($10.9M)
2025-07-03	SELL	Market Buy	ブラックロック・インスティテューショナル・トラスト・カンパニー、エヌ.エイ.(BlackRock Institutional Trust Company BlackRock Institutional Trust Company, N.A.	passive	9.3M	¥1,485	-15.5%	¥1.6B ($10.0M)
2025-07-03	BUY	Market Buy	ブラックロック・アセット・マネジメント・アイルランド・リミテッド BlackRock Asset Management Ireland Limited	passive	5.7M	¥1,485	+15.5%	¥4.1B ($26.7M)
2025-07-03	BUY	Market Buy	ブラックロック・アセット・マネジメント・カナダ・リミテッド BlackRock Asset Management Canada Limited	passive	921.2K	¥1,485	+15.5%	¥1.4B ($8.8M)
2025-07-03	BUY	Market Buy	ブラックロック・ライフ・リミテッド BlackRock Life Limited	passive	173.7K	¥1,485	+15.5%	¥24.2B ($156.2M)
2025-07-03	BUY	Market Buy	ブラックロック・ファンド・マネジャーズ・リミテッド BlackRock Fund Managers Limited	passive	4.0M	¥1,485	+15.5%	¥4.5B ($29.2M)
2025-07-03	BUY	Market Buy	アペリオ・グループ・エルエルシー(Aperio Group Aperio Group, LLC	passive	1.4M	¥1,485	+15.5%	¥2.1B ($13.3M)
2025-07-03	BUY	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	15.6M	¥1,485	+15.5%	¥129M ($835K)
2025-04-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	34.9M	¥1,400.67	+22.5%	¥2.9B ($18.9M)
2025-04-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.8M	¥1,400.67	-22.5%	¥9.2B ($59.1M)
2025-04-22	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	2.6M	¥1,400.67	-22.5%	¥61.1B ($394.0M)
2025-04-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	8.4M	¥1,233.33	+39.1%	¥10.3B ($66.6M)
2025-04-07	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	3.0M	¥1,233.33	+39.1%	¥3.8B ($24.2M)
2025-04-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	32.8M	¥1,233.33	+39.1%	¥40.5B ($261.1M)
2024-11-07	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	16.2M	¥1,267.67	+35.3%	¥20.5B ($132.4M)
2024-11-07	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	21.7M	¥1,267.67	+35.3%	¥27.5B ($177.5M)
2024-11-07	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	6.4M	¥1,267.67	+35.3%	¥8.1B ($52.1M)
2024-06-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	15.3M	¥1,168	+46.9%	¥102M ($657K)
2024-06-06	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	21.4M	¥1,168	-46.9%	¥1.1B ($7.2M)
2024-06-06	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	6.4M	¥1,168	+46.9%	¥7.4B ($48.0M)
2024-04-04	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	15.1M	¥1,155.33	+48.5%	¥302M ($1.9M)
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	22.4M	¥1,155.33	-48.5%	¥504M ($3.2M)
2024-04-04	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	6.4M	¥1,155.33	+48.5%	¥7.4B ($47.5M)
2023-10-05	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	14.9M	¥1,010	+69.8%	¥15.1B ($97.2M)
2023-10-05	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	22.9M	¥1,010	-69.8%	¥3.8B ($24.4M)
2023-10-05	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	6.4M	¥1,010	+69.8%	¥6.4B ($41.5M)
2023-05-19	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	14.9M	¥946.17	+81.3%	¥165M ($1.1M)
2023-05-19	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	26.6M	¥946.17	-81.3%	¥495M ($3.2M)
2023-05-19	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	6.4M	¥946.17	+81.3%	¥6.0B ($38.9M)
2022-12-21	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	6.4M	¥933	+83.9%	¥5.9B ($38.3M)
2022-12-21	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	14.7M	¥933	-83.9%	¥81M ($525K)
2022-12-21	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	27.1M	¥933	-83.9%	¥244M ($1.6M)

Showing the 50 most recent of 85 filings.

Frequently asked questions

Who has been buying Aeon Co., Ltd. stock?: 25 distinct investors have filed 26 disclosed large-shareholding filings in Aeon Co., Ltd. (8267), most recently on 2026-04-06. 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 Aeon Co., Ltd. have?: Aeon Co., Ltd. has 26 buy-side and 32 sell-side disclosures on record, covering ¥139.9B ($902.7M) in total reported value, spanning 2021-10-21 to 2026-04-06.
Where does StockDrifts get Aeon 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 Aeon Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.