Who has been buying The Naganobank, Ltd. stock?

6 distinct investors have filed 8 disclosed large-shareholding filings in The Naganobank, Ltd. (8521), most recently on 2023-01-26. 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 The Naganobank, Ltd. have?

The Naganobank, Ltd. has 8 buy-side and 2 sell-side disclosures on record, covering ¥683M ($4.4M) in total reported value, spanning 2021-04-23 to 2023-01-26.

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.

The Naganobank, Ltd. 8521

Company

長野銀行The Naganobank, Ltd.

Investors

Buys

Total Value

¥683M ($4.4M)

Avg Return

+28.75%

Last Filing

2023-01-26

The Naganobank, Ltd. (8521) has 8 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥683M ($4.4M) in reported transaction value. The earliest filing StockDrifts holds for The Naganobank, Ltd. is dated 2021-04-23; the most recent is 2023-01-26. Across these filings the average return since disclosure is +28.75%, 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
2023-01-26	BUY	Market Buy	植島幹九郎 Kankuro Ueshima	activist	301.6K	¥1,386	-	¥223M ($1.4M)
2023-01-26	SELL	Market Buy	植島幹九郎 Kankuro Ueshima	activist	301.6K	¥1,386	-11.3%	¥223M ($1.4M)
2023-01-16	BUY	Market Buy	植島幹九郎 Kankuro Ueshima	activist	463.0K	¥1,380	+11.8%	¥639M ($4.1M)
2021-07-21	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	92.1K	¥1,103	+39.9%	¥8M ($53K)
2021-07-21	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	453.0K	¥1,103	+39.9%	¥29M ($184K)
2021-05-12	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	47.7K	¥1,190	+29.7%	¥4M ($28K)
2021-05-12	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	145.4K	¥1,190	+29.7%	¥13M ($85K)
2021-05-12	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	unknown	0	¥1,190	-29.7%	¥8M ($53K)
2021-04-23	BUY	subscription	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	144.9K	¥1,221	+26.4%	¥2M ($15K)
2021-04-23	BUY	subscription	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	752.1K	¥1,221	+26.4%	¥838M ($5.4M)
2021-04-23	BUY	subscription	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	47.7K	¥1,221	+26.4%	¥2M ($15K)

Frequently asked questions

Who has been buying The Naganobank, Ltd. stock?: 6 distinct investors have filed 8 disclosed large-shareholding filings in The Naganobank, Ltd. (8521), most recently on 2023-01-26. 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 The Naganobank, Ltd. have?: The Naganobank, Ltd. has 8 buy-side and 2 sell-side disclosures on record, covering ¥683M ($4.4M) in total reported value, spanning 2021-04-23 to 2023-01-26.
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.