Who has been buying Seino Holdings Co., Ltd. stock?

9 distinct investors have filed 33 disclosed large-shareholding filings in Seino Holdings Co., Ltd. (9076), most recently on 2026-03-05. 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 Seino Holdings Co., Ltd. have?

Seino Holdings Co., Ltd. has 33 buy-side and 22 sell-side disclosures on record, covering ¥35.4B ($228.1M) in total reported value, spanning 2021-04-07 to 2026-03-05.

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.

Seino Holdings Co., Ltd. 9076

Company

セイノーホールディングス株式会社Seino Holdings Co., Ltd.

Investors

Buys

Total Value

¥35.4B ($228.1M)

Avg Return

+43.81%

Last Filing

2026-03-05

Seino Holdings Co., Ltd. (9076) has 33 disclosed large-shareholding filings and 22 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥35.4B ($228.1M) in reported transaction value. The earliest filing StockDrifts holds for Seino Holdings Co., Ltd. is dated 2021-04-07; the most recent is 2026-03-05. Across these filings the average return since disclosure is +43.81%, 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
2026-03-05	SELL	subscription	野村證券株式会社	other	1.5M	¥2,616.5	-4.4%	¥8.0B ($51.3M)
2026-03-05	BUY	subscription	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	3.3M	¥2,616.5	+4.4%	¥5.5B ($35.5M)
2026-03-05	SELL	subscription	ノムラファイナンシャルプロダクツヨーロッパ NOMURA FINANCIAL PRODUCTS EUROPE GMBH	unknown	0	¥2,616.5	-4.4%	¥786M ($5.1M)
2026-03-05	SELL	subscription	野村アセットマネジメント株式会社	other	3.7M	¥2,616.5	-4.4%	¥2.4B ($15.5M)
2025-05-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	4.6M	¥2,186.5	+25.0%	¥1.1B ($7.4M)
2025-05-22	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	unknown	0	¥2,186.5	-	-
2025-05-22	BUY	unknown	ノムラファイナンシャルプロダクツヨーロッパ NOMURA FINANCIAL PRODUCTS EUROPE GMBH	other	296.4K	¥2,186.5	-	-
2025-05-22	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	4.6M	¥2,186.5	-25.0%	¥5.9B ($38.1M)
2025-05-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.2M	¥2,186.5	+25.0%	¥451M ($2.9M)
2025-04-07	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	4.1M	¥2,225	+22.8%	¥752M ($4.8M)
2025-04-07	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	7.4M	¥2,225	+22.8%	¥6.6B ($42.6M)
2025-04-07	SELL	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	977.3K	¥2,225	-22.8%	¥3.4B ($22.1M)
2025-04-07	BUY	Market Buy	ノムラファイナンシャルプロダクツヨーロッパ NOMURA FINANCIAL PRODUCTS EUROPE GMBH	other	296.4K	¥2,225	-	-
2025-04-07	BUY	Market Buy	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥2,225	-	-
2025-03-24	SELL	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	4.3M	¥2,357	-15.9%	¥2.3B ($14.6M)
2025-03-24	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	2.6M	¥2,357	+15.9%	¥4.9B ($31.4M)
2025-03-24	BUY	Market Buy	ノムラファイナンシャルプロダクツヨーロッパ NOMURA FINANCIAL PRODUCTS EUROPE GMBH	other	296.4K	¥2,357	-	-
2025-03-24	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	3.7M	¥2,357	-15.9%	¥929M ($6.0M)
2025-03-07	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	1.1M	¥2,263	-20.8%	¥4.5B ($28.8M)
2025-03-07	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	4.3M	¥2,263	-	-
2025-03-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	2.5M	¥2,263	-	-
2025-03-07	BUY	unknown	みずほインターナショナル Mizuho International plc	other	0	¥2,263	-	-
2024-12-06	BUY	Market Buy	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	4.4M	¥2,444.5	+11.8%	¥413M ($2.7M)
2024-12-06	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	3.1M	¥2,444.5	+11.8%	¥1.0B ($6.5M)
2024-12-06	SELL	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	2.5M	¥2,444.5	-11.8%	¥459M ($3.0M)
2024-12-06	BUY	Market Buy	みずほインターナショナル Mizuho International plc	other	0	¥2,444.5	-	-
2024-07-05	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	5.3M	¥2,202	+24.1%	¥11.8B ($76.0M)
2024-07-05	BUY	unknown	ノムラファイナンシャルプロダクツヨーロッパ NOMURA FINANCIAL PRODUCTS EUROPE GMBH	other	298.9K	¥2,202	+24.1%	¥658M ($4.2M)
2024-07-05	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	443.9K	¥2,202	+24.1%	¥978M ($6.3M)
2024-07-05	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	4.1M	¥2,202	+24.1%	¥9.1B ($58.6M)
2024-06-21	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	5.2M	¥2,122.5	-28.7%	¥1.6B ($10.5M)
2024-06-21	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	476.3K	¥2,122.5	-28.7%	¥279M ($1.8M)
2024-06-21	BUY	unknown	ノムラファイナンシャルプロダクツヨーロッパ NOMURA FINANCIAL PRODUCTS EUROPE GMBH	other	291.1K	¥2,122.5	-	-
2024-06-21	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	3.9M	¥2,122.5	-28.7%	¥2.4B ($15.4M)
2024-01-22	SELL	subscription	野村證券株式会社 Nomura Securities Co.,Ltd.	other	6.0M	¥2,171.5	-25.8%	¥571M ($3.7M)
2024-01-22	SELL	subscription	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	629.1K	¥2,171.5	-25.8%	¥41M ($263K)
2024-01-22	BUY	subscription	ノムラファイナンシャルプロダクツヨーロッパ NOMURA FINANCIAL PRODUCTS EUROPE GMBH	other	291.1K	¥2,171.5	-	-
2024-01-22	SELL	subscription	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	5.0M	¥2,171.5	-25.8%	¥774M ($5.0M)
2023-07-07	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	6.3M	¥2,135.5	+28.0%	¥3.0B ($19.1M)
2023-07-07	BUY	Market Buy	ノムラファイナンシャルプロダクツヨーロッパ NOMURA FINANCIAL PRODUCTS EUROPE GMBH	other	288.7K	¥2,135.5	+28.0%	¥40M ($259K)
2023-07-07	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	5.4M	¥2,135.5	+28.0%	¥962M ($6.2M)
2023-07-07	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	634.8K	¥2,135.5	+28.0%	¥962M ($6.2M)
2023-04-07	BUY	subscription	みずほインターナショナル Mizuho International plc	other	0	¥1,395	+95.9%	-
2023-04-07	BUY	subscription	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	3.0M	¥1,395	+95.9%	¥4.2B ($26.9M)
2023-04-07	BUY	subscription	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	4.6M	¥1,395	+95.9%	¥6.5B ($41.8M)
2023-04-07	BUY	subscription	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	3.0M	¥1,395	+95.9%	¥4.2B ($27.0M)
2022-06-22	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	5.3M	¥1,079	+153.2%	¥381M ($2.5M)
2022-06-22	SELL	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	191.4K	¥1,079	-153.2%	¥336M ($2.2M)
2022-06-22	BUY	Market Buy	ノムラファイナンシャルプロダクツヨーロッパ NOMURA FINANCIAL PRODUCTS EUROPE GMBH	other	281.3K	¥1,079	-	-
2022-06-22	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	5.5M	¥1,079	-153.2%	¥2.4B ($15.8M)

Showing the 50 most recent of 70 filings.

Frequently asked questions

Who has been buying Seino Holdings Co., Ltd. stock?: 9 distinct investors have filed 33 disclosed large-shareholding filings in Seino Holdings Co., Ltd. (9076), most recently on 2026-03-05. 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 Seino Holdings Co., Ltd. have?: Seino Holdings Co., Ltd. has 33 buy-side and 22 sell-side disclosures on record, covering ¥35.4B ($228.1M) in total reported value, spanning 2021-04-07 to 2026-03-05.
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.