Who has been buying Rakuten Group, Inc. stock?

14 distinct investors have filed 13 disclosed large-shareholding filings in Rakuten Group, Inc. (4755), most recently on 2025-12-05. 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 Rakuten Group, Inc. have?

Rakuten Group, Inc. has 13 buy-side and 25 sell-side disclosures on record, covering ¥214.4B ($1.4B) in total reported value, spanning 2021-03-18 to 2025-12-05.

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.

Rakuten Group, Inc. 4755

Company

楽天株式会社Rakuten Group, Inc.

Investors

Buys

Total Value

¥214.4B ($1.4B)

Avg Return

-16.43%

Last Filing

2025-12-05

Rakuten Group, Inc. (4755) has 13 disclosed large-shareholding filings and 25 disclosed disposals on record, filed by 14 distinct investors. Together those filings cover ¥214.4B ($1.4B) in reported transaction value. The earliest filing StockDrifts holds for Rakuten Group, Inc. is dated 2021-03-18; the most recent is 2025-12-05. Across these filings the average return since disclosure is -16.43%, 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
2025-12-05	SELL	negotiated	三木谷晴子	activist	112.6M	¥952.1	+28.6%	¥20.0B ($129.2M)
2025-12-05	SELL	negotiated	合同会社クリムゾングループ	activist	226.4M	¥952.1	+28.6%	¥1.9B ($12.0M)
2025-12-05	BUY	negotiated	有限会社三木谷興産	strategic	40.9M	¥952.1	-28.6%	¥9.3B ($59.9M)
2025-12-05	BUY	negotiated	有限会社スピリット	strategic	40.9M	¥952.1	-28.6%	¥9.3B ($59.9M)
2025-12-05	SELL	negotiated	三木谷浩史	activist	177.8M	¥952.1	+28.6%	¥1.0B ($6.7M)
2025-03-19	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	13.0M	¥902.6	-24.6%	¥11.7B ($75.6M)
2025-03-19	BUY	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	28.9M	¥902.6	-24.6%	¥26.1B ($168.3M)
2025-03-19	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	3.6M	¥902.6	-24.6%	¥3.3B ($21.2M)
2025-03-19	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	4.0M	¥902.6	-24.6%	¥3.6B ($23.0M)
2025-03-19	BUY	Market Buy	ブラックロック・アドバイザーズ・エルエルシー(BlackRock Advisers BlackRock Advisers, LLC	passive	3.4M	¥902.6	-24.6%	¥3.1B ($19.9M)
2025-03-19	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	6.2M	¥902.6	-24.6%	¥5.6B ($36.2M)
2025-03-19	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	29.3M	¥902.6	-24.6%	¥26.5B ($170.7M)
2025-03-19	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	20.3M	¥902.6	-24.6%	¥18.4B ($118.5M)
2024-10-15	SELL	negotiated	有限会社スピリット Spirit Co., Ltd.	strategic	30.9M	¥961.3	+29.2%	¥207M ($1.3M)
2024-10-15	SELL	negotiated	三木谷浩史 Hiroshi Mikitani	activist	177.6M	¥961.3	+29.2%	¥1.0B ($6.7M)
2024-10-15	SELL	negotiated	三木谷晴子 Haruko Mikitani	activist	132.6M	¥961.3	+29.2%	¥827M ($5.3M)
2024-10-15	SELL	negotiated	合同会社クリムゾングループ Crimson Group LLC	activist	226.4M	¥961.3	+29.2%	¥1.4B ($9.3M)
2024-10-15	SELL	negotiated	有限会社三木谷興産 Mikitani Kosan Ltd.	strategic	30.9M	¥961.3	+29.2%	¥207M ($1.3M)
2023-06-07	SELL	negotiated	三木谷浩史 Hiroshi Mikitani	activist	177.3M	¥552	-23.2%	¥33.4B ($215.2M)
2023-06-07	SELL	negotiated	三木谷晴子 Haruko Mikitani	activist	132.6M	¥552	-23.2%	¥25.0B ($161.2M)
2023-06-07	SELL	negotiated	合同会社クリムゾングループ Crimson Group LLC	activist	226.4M	¥552	-23.2%	¥42.5B ($274.5M)
2023-06-07	SELL	negotiated	有限会社三木谷興産 Mikitani Kosan Ltd.	strategic	30.9M	¥552	-23.2%	¥301.1B ($1.9B)
2023-06-07	SELL	negotiated	有限会社スピリット Spirit Co., Ltd.	strategic	30.9M	¥552	-23.2%	¥301.1B ($1.9B)
2023-05-31	SELL	negotiated	三木谷浩史 Hiroshi Mikitani	activist	177.3M	¥576	-18.1%	¥2M ($12K)
2023-05-31	SELL	negotiated	三木谷晴子 Haruko Mikitani	activist	132.6M	¥576	-18.1%	¥2M ($12K)
2023-05-31	SELL	negotiated	合同会社クリムゾングループ Crimson Group LLC	activist	226.4M	¥576	-18.1%	¥5M ($30K)
2023-05-31	SELL	negotiated	有限会社三木谷興産 Mikitani Kosan Ltd.	strategic	4.4M	¥576	-18.1%	¥92M ($592K)
2023-05-31	SELL	negotiated	有限会社スピリット Spirit Co., Ltd.	strategic	4.4M	¥576	-18.1%	¥92M ($592K)
2022-09-05	SELL	negotiated	三木谷浩史 Hiroshi Mikitani	activist	177.1M	¥673	-1.1%	¥9M ($55K)
2022-09-05	SELL	negotiated	三木谷晴子 Haruko Mikitani	activist	132.6M	¥673	-1.1%	¥7M ($48K)
2022-09-05	SELL	negotiated	合同会社クリムゾングループ Crimson Group LLC	activist	226.4M	¥673	-1.1%	¥13M ($83K)
2022-09-05	BUY	negotiated	有限会社三木谷興産 Mikitani Kosan Ltd.	strategic	4.4M	¥673	-	-
2022-09-05	BUY	negotiated	有限会社スピリット Spirit Co., Ltd.	strategic	4.4M	¥673	-	-
2021-04-05	SELL	negotiated	三木谷晴子 Haruko Mikitani	activist	132.6M	¥1,312.558	+48.2%	¥169M ($1.1M)
2021-04-05	SELL	negotiated	合同会社クリムゾングループ Crimson Group LLC	activist	226.4M	¥1,312.558	+48.2%	¥289M ($1.9M)
2021-04-05	BUY	negotiated	有限会社三木谷興産 Mikitani Kosan Ltd.	strategic	4.4M	¥1,312.558	-48.2%	¥5.8B ($37.3M)
2021-04-05	BUY	negotiated	有限会社スピリット Spirit Co., Ltd.	strategic	4.4M	¥1,312.558	-48.2%	¥5.8B ($37.3M)
2021-04-05	SELL	negotiated	三木谷浩史 Hiroshi Mikitani	activist	176.9M	¥1,312.558	+48.2%	¥225M ($1.5M)
2021-04-01	BUY	private	日本郵政株式会社 JAPAN POST HOLDINGS Co.,Ltd	strategic	131.0M	¥1,293.779	-47.4%	¥169.5B ($1.1B)
2021-03-18	SELL	negotiated	三木谷浩史 Hiroshi Mikitani	activist	176.9M	¥1,454.884	+53.3%	¥19.4B ($125.2M)

Frequently asked questions

Who has been buying Rakuten Group, Inc. stock?: 14 distinct investors have filed 13 disclosed large-shareholding filings in Rakuten Group, Inc. (4755), most recently on 2025-12-05. 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 Rakuten Group, Inc. have?: Rakuten Group, Inc. has 13 buy-side and 25 sell-side disclosures on record, covering ¥214.4B ($1.4B) in total reported value, spanning 2021-03-18 to 2025-12-05.
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.