Who has been buying The Bank of Nagoya, Ltd. stock?

13 distinct investors have filed 16 disclosed large-shareholding filings in The Bank of Nagoya, Ltd. (8522), most recently on 2026-04-20. 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 Bank of Nagoya, Ltd. have?

The Bank of Nagoya, Ltd. has 16 buy-side and 9 sell-side disclosures on record, covering ¥12.8B ($82.5M) in total reported value, spanning 2022-02-21 to 2026-04-20.

Where does StockDrifts get The Bank of Nagoya, Ltd. 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.

The Bank of Nagoya, Ltd. 8522

Company

株式会社名古屋銀行The Bank of Nagoya, Ltd.

Investors

Buys

Total Value

¥12.8B ($82.5M)

Avg Return

+215.34%

Last Filing

2026-04-20

The Bank of Nagoya, Ltd. (8522) has 16 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 13 distinct investors. Together those filings cover ¥12.8B ($82.5M) in reported transaction value. The earliest filing StockDrifts holds for The Bank of Nagoya, Ltd. is dated 2022-02-21; the most recent is 2026-04-20. 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 +215.34%, 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
2026-06-05	SELL	unknown	みずほ信託銀行株式会社	unknown	0	¥5,840	-7.9%	¥1.9B ($12.5M)
2026-06-05	BUY	Market Buy	みずほ証券株式会社	other	82.7K	¥5,840	+7.9%	¥29M ($186K)
2026-06-05	SELL	unknown	株式会社みずほ銀行	strategic	782.8K	¥5,840	-7.9%	¥2.7B ($17.3M)
2026-06-05	SELL	unknown	アセットマネジメントOne株式会社	other	617.3K	¥5,840	-7.9%	¥1.2B ($7.6M)
2026-04-20	SELL	unknown	ウエリントン・マネージメント・インターナショナル・リミテッド Wellington Management International Ltd	other	360.1K	¥5,890	-2.7%	¥116M ($750K)
2026-04-20	SELL	unknown	ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP	other	2.7M	¥5,890	-2.7%	¥2.9B ($18.9M)
2026-02-18	BUY	unknown	ウエリントン・マネージメント・インターナショナル・リミテッド Wellington Management International Ltd	other	377.7K	¥5,470	+7.7%	¥2.2B ($14.4M)
2026-02-18	SELL	unknown	ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP	other	3.2M	¥5,470	-7.7%	¥19.1B ($122.9M)
2025-12-22	BUY	Market Buy	大樹生命保険株式会社	passive	1.1M	¥4,530	+30.0%	¥6.5B ($42.0M)
2025-12-22	BUY	Market Buy	日本生命保険相互会社	passive	2.2M	¥4,530	+30.0%	¥12.8B ($82.8M)
2025-11-05	SELL	Market Buy	ウエリントン・マネージメント・インターナショナル・リミテッド Wellington Management International Ltd	other	331.2K	¥3,955	-48.9%	¥156M ($1.0M)
2025-11-05	BUY	Market Buy	ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP	other	4.0M	¥3,955	+48.9%	¥2.3B ($15.1M)
2025-10-07	SELL	Market Buy	ウエリントン・マネージメント・インターナショナル・リミテッド Wellington Management International Ltd	other	123.4K	¥3,455	-70.5%	¥23M ($147K)
2025-10-07	BUY	Market Buy	ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP	other	1.2M	¥3,455	+70.5%	¥853M ($5.5M)
2025-06-18	BUY	unknown	ウエリントン・マネージメント・インターナショナル・リミテッド Wellington Management International Ltd	other	130.7K	¥2,576.67	+128.6%	¥337M ($2.2M)
2025-06-18	BUY	unknown	ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP	other	905.5K	¥2,576.67	+128.6%	¥2.3B ($15.1M)
2024-08-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	277.7K	¥2,270	+159.5%	¥630M ($4.1M)
2024-08-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	26.9K	¥2,270	+159.5%	¥61M ($394K)
2024-08-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	421.7K	¥2,270	+159.5%	¥957M ($6.2M)
2024-08-07	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	111.7K	¥2,270	+159.5%	¥254M ($1.6M)
2023-03-23	SELL	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	235.0K	¥1,048.33	-461.9%	¥184M ($1.2M)
2023-03-23	BUY	Market Buy	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	111.7K	¥1,048.33	+461.9%	¥13M ($82K)
2023-03-23	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	19.1K	¥1,048.33	+461.9%	¥20M ($129K)
2023-03-23	BUY	Market Buy	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	421.7K	¥1,048.33	+461.9%	¥31M ($200K)
2022-11-21	BUY	Market Buy	エム・ユー投資顧問株式会社 M.U. Investment Advisors Co., Ltd.	passive	157.5K	¥1,003.33	+487.1%	¥158M ($1.0M)
2022-11-21	BUY	Market Buy	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	74.3K	¥1,003.33	+487.1%	¥9M ($56K)
2022-11-21	BUY	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	217.9K	¥1,003.33	+487.1%	¥211M ($1.4M)
2022-07-06	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	187.8K	¥1,006.67	-485.1%	¥20M ($126K)
2022-07-06	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	556.8K	¥1,006.67	-485.1%	¥126M ($814K)
2022-02-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	213.8K	¥1,041.67	+465.4%	¥30M ($196K)
2022-02-21	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	704.7K	¥1,041.67	-465.4%	¥42M ($270K)

Frequently asked questions

Who has been buying The Bank of Nagoya, Ltd. stock?: 13 distinct investors have filed 16 disclosed large-shareholding filings in The Bank of Nagoya, Ltd. (8522), most recently on 2026-04-20. 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 Bank of Nagoya, Ltd. have?: The Bank of Nagoya, Ltd. has 16 buy-side and 9 sell-side disclosures on record, covering ¥12.8B ($82.5M) in total reported value, spanning 2022-02-21 to 2026-04-20.
Where does StockDrifts get The Bank of Nagoya, Ltd. 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 The Bank of Nagoya, Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.