Who has been buying East Japan Railway Company stock?

20 distinct investors have filed 21 disclosed large-shareholding filings in East Japan Railway Company (9020), most recently on 2026-05-12. 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 East Japan Railway Company have?

East Japan Railway Company has 21 buy-side and 27 sell-side disclosures on record, covering ¥25.6B ($165.4M) in total reported value, spanning 2021-03-29 to 2026-05-12.

Where does StockDrifts get East Japan Railway Company 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.

East Japan Railway Company 9020

Company

東日本旅客鉄道株式会社East Japan Railway Company

Investors

Buys

Total Value

¥25.6B ($165.4M)

Avg Return

+21.74%

Last Filing

2026-05-12

East Japan Railway Company (9020) has 21 disclosed large-shareholding filings and 27 disclosed disposals on record, filed by 20 distinct investors. Together those filings cover ¥25.6B ($165.4M) in reported transaction value. The earliest filing StockDrifts holds for East Japan Railway Company is dated 2021-03-29; the most recent is 2026-05-12. 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 +21.74%, 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
2026-05-12	SELL	unknown	アセットマネジメントOne株式会社	other	27.2M	¥3,693	+8.8%	¥14.7B ($94.6M)
2026-05-12	SELL	unknown	株式会社みずほ銀行	strategic	31.2M	¥3,693	+8.8%	¥28.9B ($186.5M)
2025-11-18	BUY	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	2.4M	¥3,800	-7.5%	¥4.3B ($27.8M)
2025-11-18	BUY	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	15.2M	¥3,800	-7.5%	¥4.7B ($30.6M)
2025-11-18	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	22.6M	¥3,800	-7.5%	¥11.2B ($72.3M)
2025-11-18	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	10.2M	¥3,800	-7.5%	¥10.3B ($66.7M)
2025-11-18	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	1.5M	¥3,800	-7.5%	¥5.6B ($36.3M)
2025-11-18	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	4.1M	¥3,800	-7.5%	¥6.5B ($41.7M)
2025-11-18	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	3.0M	¥3,800	-7.5%	¥5.2B ($33.4M)
2025-11-18	BUY	Market Buy	ブラックロック・インベストメント・マネジメント (オーストラリア)リミテッドLimited) BlackRock Investment Management (Australia	passive	2.5M	¥3,800	-7.5%	¥2.6B ($16.7M)
2025-11-18	SELL	Market Buy	アペリオ・グループ・エルエルシー(Aperio Group Aperio Group, LLC	passive	1.2M	¥3,800	+7.5%	¥862M ($5.6M)
2025-11-18	SELL	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	19.0M	¥3,800	+7.5%	¥3.0B ($19.5M)
2024-07-29	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	2.4M	¥2,763	+27.3%	¥6.7B ($43.2M)
2024-07-29	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	8.2M	¥2,763	+27.3%	¥2.2B ($14.2M)
2024-07-29	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	51.8M	¥2,763	-27.3%	¥1.9B ($12.1M)
2024-07-29	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	19.3M	¥2,763	-27.3%	¥14.1B ($91.0M)
2023-12-05	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	425.9K	¥2,699.66	-30.3%	¥2.7B ($17.1M)
2023-12-05	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	4.6M	¥2,699.66	-30.3%	¥816M ($5.3M)
2023-12-05	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	6.6M	¥2,699.66	+30.3%	¥2.8B ($17.8M)
2023-12-05	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	2.5M	¥2,699.66	+30.3%	¥2.3B ($15.1M)
2023-12-05	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	848.1K	¥2,699.66	+30.3%	¥2.3B ($14.8M)
2023-12-05	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	572.5K	¥2,699.66	+30.3%	¥1.5B ($10.0M)
2023-12-05	BUY	Market Buy	ブラックロック・インベストメント・マネジメント (オーストラリア)リミテッドLimited) BlackRock Investment Management (Australia	passive	601.5K	¥2,699.66	+30.3%	¥1.6B ($10.5M)
2023-12-05	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	87.3K	¥2,699.66	+30.3%	¥19.4B ($125.1M)
2023-12-05	BUY	Market Buy	アペリオ・グループ・エルエルシー(Aperio Group Aperio Group, LLC	passive	496.3K	¥2,699.66	+30.3%	¥1.3B ($8.6M)
2023-12-05	BUY	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	6.6M	¥2,699.66	+30.3%	¥6.3B ($40.8M)
2022-10-20	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	5.4M	¥2,729	-28.9%	¥2.0B ($12.6M)
2022-10-20	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	12.1M	¥2,729	-28.9%	¥2.3B ($14.6M)
2022-06-20	SELL	negotiated	ファースト・センティア・インベスターズ(オーストラリア)アイエム・リミテッドIM Ltd) First Sentier Investors (Australia	passive	600	¥2,173.171	-67.8%	¥1M ($8K)
2022-06-20	SELL	negotiated	ファースト・センティア・インベスターズ(オーストラリア)アイエム・リミテッドIM Ltd) First Sentier Investors (Australia	passive	600	¥2,173.171	-67.8%	¥1M ($8K)
2022-06-20	SELL	negotiated	ファースト・センティア・インベスターズ(オーストラリア)アイエム・リミテッドIM Ltd) First Sentier Investors (Australia	passive	600	¥2,227.33	-57.9%	¥2.8B ($17.9M)
2022-06-20	SELL	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	2.5M	¥2,227.33	-57.9%	¥758M ($4.9M)
2022-06-20	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	17.5M	¥2,227.33	-57.9%	¥6.6B ($42.4M)
2022-06-20	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	8.1M	¥2,227.33	+57.9%	¥18.1B ($116.9M)
2022-06-20	SELL	negotiated	ファースト・センティア・インベスターズ(オーストラリア)アイエム・リミテッドIM Ltd) First Sentier Investors (Australia	passive	600	¥2,173.171	-67.8%	¥1M ($8K)
2022-06-20	SELL	negotiated	ファースト・センティア・インベスターズ(オーストラリア)アイエム・リミテッドIM Ltd) First Sentier Investors (Australia	passive	600	¥2,227.33	-57.9%	¥2.8B ($17.9M)
2021-07-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	6.1M	¥2,490	+41.2%	¥15.2B ($97.8M)
2021-07-21	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	12.9M	¥2,490	+41.2%	¥32.0B ($206.7M)
2021-07-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	10.4M	¥2,681.66	+31.1%	¥203M ($1.3M)
2021-07-07	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	15.0K	¥2,681.66	-31.1%	¥5.1B ($32.7M)
2021-07-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	13.0M	¥2,681.66	+31.1%	¥34.9B ($224.9M)
2021-06-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	10.3M	¥2,758.66	-27.5%	¥1.5B ($9.4M)
2021-06-22	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	1.9M	¥2,758.66	+27.5%	¥5.2B ($33.7M)
2021-06-22	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	13.0M	¥2,758.66	+27.5%	¥35.9B ($231.4M)
2021-04-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	6.0M	¥2,399.206	+46.6%	¥363M ($2.3M)
2021-04-06	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	12.8M	¥2,399.206	-46.6%	¥907M ($5.8M)
2021-03-29	BUY	negotiated	ファースト・センティア・インベスターズ(オーストラリア)アールイー・リミテッドRE Ltd) First Sentier Investors (Australia	passive	261.2K	¥2,511.741	+40.0%	¥651M ($4.2M)
2021-03-29	SELL	negotiated	ファースト・センティア・インベスターズ(オーストラリア)アイエム・リミテッドIM Ltd) First Sentier Investors (Australia	passive	1.2M	¥2,511.741	-40.0%	¥36M ($233K)
2021-03-29	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	160.6K	¥2,511.741	+40.0%	¥354M ($2.3M)
2021-03-29	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	2.8M	¥2,511.741	+40.0%	¥15M ($98K)

Showing the 50 most recent of 58 filings.

Frequently asked questions

Who has been buying East Japan Railway Company stock?: 20 distinct investors have filed 21 disclosed large-shareholding filings in East Japan Railway Company (9020), most recently on 2026-05-12. 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 East Japan Railway Company have?: East Japan Railway Company has 21 buy-side and 27 sell-side disclosures on record, covering ¥25.6B ($165.4M) in total reported value, spanning 2021-03-29 to 2026-05-12.
Where does StockDrifts get East Japan Railway Company 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 East Japan Railway Company. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.