Who has been buying Konami Group Corporation stock?

12 distinct investors have filed 13 disclosed large-shareholding filings in Konami Group Corporation (9766), most recently on 2025-09-19. 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 Konami Group Corporation have?

Konami Group Corporation has 13 buy-side and 7 sell-side disclosures on record, covering ¥119.6B ($771.5M) in total reported value, spanning 2021-11-05 to 2025-09-19.

Where does StockDrifts get Konami Group Corporation 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.

Konami Group Corporation 9766

Company

コナミホールディングス株式会社Konami Group Corporation

Investors

Buys

Total Value

¥119.6B ($771.5M)

Avg Return

+138.89%

Last Filing

2025-09-19

Konami Group Corporation (9766) has 13 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 12 distinct investors. Together those filings cover ¥119.6B ($771.5M) in reported transaction value. The earliest filing StockDrifts holds for Konami Group Corporation is dated 2021-11-05; the most recent is 2025-09-19. 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 +138.89%, 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
2025-09-19	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	6.3M	¥21,395	-0.4%	¥7.4B ($47.5M)
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	2.6M	¥21,395	+0.4%	¥7.4B ($47.5M)
2024-02-21	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	6.0M	¥9,645	+120.8%	¥415M ($2.7M)
2024-02-21	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	2.9M	¥9,645	+120.8%	¥692M ($4.5M)
2024-02-07	BUY	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	11.8M	¥9,237	+130.6%	¥530M ($3.4M)
2024-01-11	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	11.8M	¥8,410	-153.3%	¥121M ($779K)
2023-12-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	11.8M	¥7,475	+184.9%	¥87.2B ($562.7M)
2023-12-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	142.6K	¥7,475	-184.9%	¥63.3B ($408.3M)
2023-12-07	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	54.2K	¥7,475	+184.9%	¥40.0B ($258.1M)
2023-12-06	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	5.9M	¥7,532	-182.8%	¥3.4B ($21.6M)
2023-12-06	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	2.9M	¥7,532	-182.8%	¥973M ($6.3M)
2023-09-05	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	1.3M	¥8,453	+152.0%	¥11.1B ($71.8M)
2023-09-05	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	1.8M	¥8,453	+152.0%	¥14.8B ($95.6M)
2023-09-05	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	581.1K	¥8,453	+152.0%	¥4.9B ($31.7M)
2023-09-05	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	252.4K	¥8,453	+152.0%	¥2.1B ($13.8M)
2023-09-05	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	215.0K	¥8,453	+152.0%	¥1.8B ($11.7M)
2023-09-05	BUY	Market Buy	ブラックロック・インベストメント・マネジメント・エルエルシー BlackRock Investment Management LLC	passive	259.1K	¥8,453	+152.0%	¥2.2B ($14.1M)
2023-09-05	BUY	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	2.8M	¥8,453	+152.0%	¥23.8B ($153.4M)
2021-11-05	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	6.4M	¥6,570	-224.2%	¥4.6B ($29.8M)
2021-11-05	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	3.0M	¥6,570	-224.2%	¥3.4B ($21.9M)

Frequently asked questions

Who has been buying Konami Group Corporation stock?: 12 distinct investors have filed 13 disclosed large-shareholding filings in Konami Group Corporation (9766), most recently on 2025-09-19. 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 Konami Group Corporation have?: Konami Group Corporation has 13 buy-side and 7 sell-side disclosures on record, covering ¥119.6B ($771.5M) in total reported value, spanning 2021-11-05 to 2025-09-19.
Where does StockDrifts get Konami Group Corporation 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 Konami Group Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.