Who has been buying JBCC Holdings Inc. stock?

5 distinct investors have filed 15 disclosed large-shareholding filings in JBCC Holdings Inc. (9889), 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 JBCC Holdings Inc. have?

JBCC Holdings Inc. has 15 buy-side and 22 sell-side disclosures on record, covering ¥3.2B ($20.9M) in total reported value, spanning 2021-04-22 to 2026-05-12.

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.

JBCC Holdings Inc. 9889

Company

JBCCホールディングス株式会社JBCC Holdings Inc.

Investors

Buys

Total Value

¥3.2B ($20.9M)

Avg Return

+147.49%

Last Filing

2026-05-12

JBCC Holdings Inc. (9889) has 15 disclosed large-shareholding filings and 22 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥3.2B ($20.9M) in reported transaction value. The earliest filing StockDrifts holds for JBCC Holdings Inc. is dated 2021-04-22; the most recent is 2026-05-12. Across these filings the average return since disclosure is +147.49%, 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	BUY	unknown	SMBC日興証券株式会社	other	159.2K	¥1,205	-	¥192M ($1.2M)
2026-05-12	BUY	Market Buy	三井住友DSアセットマネジメント株式会社	passive	5.8M	¥1,205	+40.3%	¥1.5B ($9.7M)
2025-12-04	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	4.5M	¥1,605	+5.3%	¥1.4B ($9.1M)
2025-06-19	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	3.7M	¥1,345	-25.6%	¥966M ($6.2M)
2024-05-21	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	1.1M	¥772.5	+118.8%	¥152M ($983K)
2024-02-21	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	896.8K	¥903.75	+87.0%	¥810M ($5.2M)
2024-02-06	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	768.3K	¥973.75	-73.6%	¥177M ($1.1M)
2023-09-22	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	948.7K	¥702	-140.7%	¥181M ($1.2M)
2023-04-06	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	1.2M	¥516.5	+227.2%	¥107M ($693K)
2023-02-07	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	-1.2K	¥502.5	-153.3%	¥127M ($818K)
2023-02-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	62.7K	¥502.5	+236.3%	¥32M ($207K)
2023-02-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	673.0K	¥502.5	+236.3%	¥4M ($29K)
2022-12-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-1.2K	¥467.5	-172.3%	¥250M ($1.6M)
2022-12-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	251.4K	¥467.5	-	-
2022-12-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	665.5K	¥467.5	+261.5%	¥2M ($16K)
2022-11-08	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	5.4K	¥466.5	+262.3%	¥168M ($1.1M)
2022-11-08	SELL	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	659.9K	¥466.5	-262.3%	¥11M ($70K)
2022-11-08	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	250.0K	¥466.5	+262.3%	¥829K ($5K)
2022-09-22	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	249.7K	¥453.75	-272.4%	¥70M ($453K)
2022-09-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	171.9K	¥453.75	-272.4%	¥10M ($68K)
2022-09-22	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	683.1K	¥453.75	-272.4%	¥7M ($47K)
2022-07-22	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	402.7K	¥424	-298.6%	¥41M ($263K)
2022-07-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	196.1K	¥424	+298.6%	¥43M ($277K)
2022-07-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	698.5K	¥424	+298.6%	¥81M ($520K)
2022-02-07	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	500.0K	¥375.5	-	¥188M ($1.2M)
2022-02-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	94.4K	¥375.5	-350.1%	¥159M ($1.0M)
2022-02-07	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	508.2K	¥375.5	-350.1%	¥12M ($78K)
2021-12-06	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	999.2K	¥446.5	-278.5%	¥81M ($522K)
2021-10-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	517.3K	¥400.5	-322.0%	¥4M ($23K)
2021-10-22	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	539.7K	¥400.5	-322.0%	¥712K ($5K)
2021-10-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	526.6K	¥380.75	+343.9%	¥93M ($598K)
2021-10-07	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	541.6K	¥380.75	-343.9%	¥1M ($9K)
2021-10-07	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	1.3K	¥380.75	-343.9%	¥18M ($114K)
2021-09-06	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	1.2M	¥391.75	-331.4%	¥73M ($472K)
2021-08-20	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	224.4K	¥358.5	-	¥80M ($519K)
2021-08-20	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	282.5K	¥358.5	-371.4%	¥87M ($559K)
2021-08-20	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	545.4K	¥358.5	+371.4%	¥29M ($189K)
2021-05-11	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	-112	¥346.25	-267.6%	¥115M ($742K)
2021-05-11	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	524.3K	¥346.25	+388.1%	¥105M ($675K)
2021-05-11	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	463.8K	¥346.25	-	-
2021-04-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	332.7K	¥354.25	-	¥118M ($760K)
2021-04-22	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	463.3K	¥354.25	-377.1%	¥12M ($77K)
2021-04-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	223.0K	¥354.25	-377.1%	¥69M ($447K)

Frequently asked questions

Who has been buying JBCC Holdings Inc. stock?: 5 distinct investors have filed 15 disclosed large-shareholding filings in JBCC Holdings Inc. (9889), 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 JBCC Holdings Inc. have?: JBCC Holdings Inc. has 15 buy-side and 22 sell-side disclosures on record, covering ¥3.2B ($20.9M) in total reported value, spanning 2021-04-22 to 2026-05-12.
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.