Who has been buying Metaplanet Inc. stock?

21 distinct investors have filed 70 disclosed large-shareholding filings in Metaplanet Inc. (3350), most recently on 2026-05-15. 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 Metaplanet Inc. have?

Metaplanet Inc. has 70 buy-side and 116 sell-side disclosures on record, covering ¥1.13T ($7.3B) in total reported value, spanning 2021-12-13 to 2026-05-15.

Where does StockDrifts get Metaplanet Inc. 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.

Metaplanet Inc. 3350

Company

株式会社レッド・プラネット・ジャパンMetaplanet Inc.

Investors

Buys

Total Value

¥1.13T ($7.3B)

Avg Return

+274.97%

Last Filing

2026-05-15

Metaplanet Inc. (3350) has 70 disclosed large-shareholding filings and 116 disclosed disposals on record, filed by 21 distinct investors. Together those filings cover ¥1.13T ($7.3B) in reported transaction value. The earliest filing StockDrifts holds for Metaplanet Inc. is dated 2021-12-13; the most recent is 2026-05-15. 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 +274.97%, 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
2026-07-30	BUY	block_purchase	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	149.8M	¥223	-0.9%	¥1.7B ($11.2M)
2026-07-21	BUY	block_purchase	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	142.0M	¥243	-9.1%	¥3.2B ($20.5M)
2026-05-15	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥328	-28.4%	-
2026-05-15	SELL	private	エボファンド Evo Fund	activist	334.7M	¥328	+28.4%	¥1.4B ($8.8M)
2026-05-01	SELL	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	128.9M	¥325	+12.3%	¥4.8B ($30.7M)
2026-04-17	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	128.9M	¥345	-5.2%	¥44.5B ($286.9M)
2026-04-13	BUY	block_purchase	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	128.9M	¥309	+16.8%	¥1.4B ($8.8M)
2026-04-08	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥317	+13.9%	-
2026-04-08	BUY	private	エボファンド Evo Fund	activist	339.8M	¥317	+13.9%	¥13.9B ($90.0M)
2026-03-17	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	124.6M	¥344	-3.2%	¥42.8B ($276.4M)
2026-03-13	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	124.6M	¥373	-10.7%	¥46.5B ($299.7M)
2026-03-04	SELL	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	124.6M	¥316	-5.4%	¥5.8B ($37.3M)
2026-02-26	SELL	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	142.8M	¥331	-0.6%	¥4.6B ($29.4M)
2026-02-20	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	156.5M	¥319	+4.4%	¥49.9B ($322.1M)
2026-02-09	BUY	block_purchase	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	156.5M	¥355	-6.2%	¥1.2B ($7.5M)
2025-12-17	BUY	block_purchase	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	150.3M	¥404	-17.6%	¥7.3B ($47.3M)
2025-12-15	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥437	+23.8%	-
2025-12-15	SELL	Market Buy	エボファンド Evo Fund	activist	240.1M	¥437	+23.8%	¥79.9B ($515.8M)
2025-11-10	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	132.1M	¥427	-22.0%	¥56.4B ($363.8M)
2025-10-29	SELL	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	132.1M	¥475	+29.9%	¥54M ($350K)
2025-10-20	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	132.1M	¥454	-26.6%	¥60.0B ($386.8M)
2025-10-15	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	132.1M	¥460	-27.6%	¥60.7B ($391.9M)
2025-10-10	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥550	-39.5%	-
2025-10-10	SELL	Market Buy	エボファンド Evo Fund	activist	428.9M	¥550	+39.5%	¥62.4B ($402.4M)
2025-10-07	SELL	unknown	シティグループ証券株式会社 Citigroup Global Markets Japan Inc	other	19.3K	¥624	+46.6%	¥214M ($1.4M)
2025-10-07	SELL	unknown	シティグループ・グローバル・マーケッツ・インク Citigroup Global Markets Inc.	other	0	¥624	+46.6%	¥783M ($5.1M)
2025-10-07	SELL	unknown	シティグループ・グローバル・マーケッツ・リミテッド Citigroup Global Markets Limited	other	14.6M	¥624	+46.6%	¥40.7B ($262.3M)
2025-10-03	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	132.1M	¥622	-46.5%	¥82.1B ($529.9M)
2025-09-30	BUY	block_purchase	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	751.0K	¥575	-42.1%	¥432M ($2.8M)
2025-09-30	BUY	block_purchase	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	132.1M	¥575	-42.1%	¥1.2B ($7.6M)
2025-09-25	BUY	block_purchase	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	129.9M	¥533	-37.5%	¥21.5B ($138.5M)
2025-09-25	SELL	block_purchase	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	751.0K	¥533	+37.5%	¥24.3B ($156.9M)
2025-09-22	BUY	unknown	シティグループ証券株式会社 Citigroup Global Markets Japan Inc	other	249.0K	¥589	-43.5%	¥147M ($946K)
2025-09-22	BUY	unknown	シティグループ・グローバル・マーケッツ・インク Citigroup Global Markets Inc.	other	833.8K	¥589	-43.5%	¥491M ($3.2M)
2025-09-22	BUY	unknown	シティグループ・グローバル・マーケッツ・リミテッド Citigroup Global Markets Limited	other	52.8M	¥589	-43.5%	¥31.1B ($200.8M)
2025-09-17	BUY	unknown	ゲロヴィッチ・ニーナ・アリサ Gerovich Nina Alisa	strategic	1.0M	¥594	-43.9%	¥57.5B ($370.8M)
2025-09-17	BUY	unknown	ゲロヴィッチ・ニーナ・アリサ Gerovich Nina Alisa	strategic	1.0M	¥594	-43.9%	¥57.5B ($370.8M)
2025-09-17	SELL	unknown	ゲロヴィッチ・サイモン Gerovich Simon	activist	161.0M	¥594	+43.9%	¥674M ($4.3M)
2025-09-17	SELL	unknown	MMXXベンチャーズ・リミテッド MMXX Ventures Limited	activist	42.5M	¥594	+43.9%	¥4.7B ($30.1M)
2025-09-17	SELL	unknown	ゲロヴィッチ・サイモン Gerovich Simon	activist	161.0M	¥594	+43.9%	¥674M ($4.3M)
2025-09-03	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥800	-58.4%	-
2025-09-03	SELL	Market Buy	エボファンド Evo Fund	activist	436.6M	¥800	+58.4%	¥4.7B ($30.2M)
2025-09-01	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥831	-59.9%	-
2025-09-01	SELL	Market Buy	エボファンド Evo Fund	activist	445.7M	¥831	+59.9%	¥12.1B ($77.7M)
2025-08-22	SELL	Market Buy	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	743.6K	¥835	+60.1%	¥58M ($372K)
2025-08-22	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	54.4M	¥835	-60.1%	¥6.6B ($42.4M)
2025-08-21	SELL	Market Buy	エボファンド Evo Fund	activist	468.6M	¥840	+60.4%	¥5.6B ($36.1M)
2025-08-21	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥840	-60.4%	-
2025-08-18	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥900	-63.0%	-
2025-08-18	SELL	Market Buy	エボファンド Evo Fund	activist	479.3M	¥900	+63.0%	¥7.3B ($47.3M)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Metaplanet Inc. stock?: 21 distinct investors have filed 70 disclosed large-shareholding filings in Metaplanet Inc. (3350), most recently on 2026-05-15. 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 Metaplanet Inc. have?: Metaplanet Inc. has 70 buy-side and 116 sell-side disclosures on record, covering ¥1.13T ($7.3B) in total reported value, spanning 2021-12-13 to 2026-05-15.
Where does StockDrifts get Metaplanet Inc. 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 Metaplanet Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.