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

5 distinct investors have filed 4 disclosed large-shareholding filings in The Bank of Iwate, Ltd. (8345), most recently on 2026-04-22. 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 Iwate, Ltd. have?

The Bank of Iwate, Ltd. has 4 buy-side and 6 sell-side disclosures on record, covering ¥3.6B ($23.4M) in total reported value, spanning 2022-09-29 to 2026-04-22.

Where does StockDrifts get The Bank of Iwate, 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 Iwate, Ltd. 8345

Company

株式会社岩手銀行The Bank of Iwate, Ltd.

Investors

Buys

Total Value

¥3.6B ($23.4M)

Avg Return

-1.78%

Last Filing

2026-04-22

The Bank of Iwate, Ltd. (8345) has 4 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥3.6B ($23.4M) in reported transaction value. The earliest filing StockDrifts holds for The Bank of Iwate, Ltd. is dated 2022-09-29; the most recent is 2026-04-22. 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 -1.78%, 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	BUY	negotiated	野村ホールディングス株式会社	strategic	100	¥1,907	+13.3%	¥191K ($1K)
2026-06-05	SELL	unknown	野村アセットマネジメント株式会社	other	1.9M	¥1,907	-13.3%	¥71M ($455K)
2026-06-05	BUY	Market Buy	野村證券株式会社	other	2.1M	¥1,907	+13.3%	¥564M ($3.6M)
2026-06-05	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-727.0K	¥1,907	-13.3%	¥1.4B ($9.0M)
2026-04-22	BUY	unknown	野村アセットマネジメント株式会社	other	1.9M	¥1,908	+4.1%	¥3.6B ($23.4M)
2026-04-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	4.6K	¥1,908	+4.1%	¥9M ($57K)
2026-04-22	BUY	negotiated	野村ホールディングス株式会社	strategic	100	¥1,908	+4.1%	¥191K ($1K)
2026-04-22	BUY	unknown	野村證券株式会社	other	1.8M	¥1,908	+4.1%	¥3.4B ($22.2M)
2023-01-05	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	823.5K	¥484	-321.5%	¥90M ($583K)
2022-12-23	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	1.0M	¥488	-318.0%	¥99M ($641K)
2022-12-01	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	1.2M	¥479.75	-325.2%	¥99M ($636K)
2022-11-28	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	1.4M	¥492.5	-314.2%	¥110M ($711K)
2022-10-20	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	1.6M	¥450	-353.3%	¥87M ($559K)
2022-09-29	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	1.8M	¥448.75	-354.6%	¥84M ($541K)

Frequently asked questions

Who has been buying The Bank of Iwate, Ltd. stock?: 5 distinct investors have filed 4 disclosed large-shareholding filings in The Bank of Iwate, Ltd. (8345), most recently on 2026-04-22. 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 Iwate, Ltd. have?: The Bank of Iwate, Ltd. has 4 buy-side and 6 sell-side disclosures on record, covering ¥3.6B ($23.4M) in total reported value, spanning 2022-09-29 to 2026-04-22.
Where does StockDrifts get The Bank of Iwate, 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 Iwate, Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.