Who has been buying Kohnan Shoji Co., Ltd. stock?

10 distinct investors have filed 39 disclosed large-shareholding filings in Kohnan Shoji Co., Ltd. (7516), most recently on 2026-04-01. 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 Kohnan Shoji Co., Ltd. have?

Kohnan Shoji Co., Ltd. has 39 buy-side and 62 sell-side disclosures on record, covering ¥18.9B ($121.7M) in total reported value, spanning 2021-03-22 to 2026-04-01.

Where does StockDrifts get Kohnan Shoji Co., 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.

Kohnan Shoji Co., Ltd. 7516

Company

コーナン商事株式会社Kohnan Shoji Co., Ltd.

Investors

Buys

Total Value

¥18.9B ($121.7M)

Avg Return

+14.14%

Last Filing

2026-04-01

Kohnan Shoji Co., Ltd. (7516) has 39 disclosed large-shareholding filings and 62 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥18.9B ($121.7M) in reported transaction value. The earliest filing StockDrifts holds for Kohnan Shoji Co., Ltd. is dated 2021-03-22; the most recent is 2026-04-01. 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 +14.14%, 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
2026-06-22	BUY	unknown	みずほ証券株式会社	other	503.4K	¥3,965	+5.3%	¥2.0B ($12.9M)
2026-06-22	BUY	unknown	みずほ信託銀行株式会社	other	940.7K	¥3,965	+5.3%	¥3.7B ($24.1M)
2026-06-22	BUY	unknown	株式会社みずほ銀行	strategic	151.3K	¥3,965	+5.3%	¥600M ($3.9M)
2026-06-22	BUY	unknown	アセットマネジメントOne株式会社	other	883.9K	¥3,965	+5.3%	¥3.5B ($22.6M)
2026-06-05	SELL	unknown	みずほ信託銀行株式会社	other	940.7K	¥4,055	+0.7%	¥14M ($91K)
2026-06-05	SELL	unknown	みずほ証券株式会社	other	504.6K	¥4,055	+0.7%	¥42M ($272K)
2026-06-05	BUY	unknown	株式会社みずほ銀行	strategic	151.3K	¥4,055	-0.7%	¥613M ($4.0M)
2026-06-05	BUY	Market Buy	アセットマネジメントOne株式会社	other	883.5K	¥4,055	-0.7%	¥28M ($181K)
2026-06-01	BUY	unknown	疋田耕造	strategic	1.8M	¥4,055	-0.3%	¥7.3B ($47.3M)
2026-06-01	BUY	unknown	有限会社ケイエヌサービス	strategic	493.6K	¥4,055	-0.3%	¥2.0B ($12.9M)
2026-04-01	BUY	unknown	有限会社ケイエヌサービス	strategic	493.6K	¥4,165	-2.3%	¥2.1B ($13.3M)
2026-04-01	BUY	unknown	疋田耕造	strategic	1.8M	¥4,165	-2.3%	¥7.5B ($48.6M)
2026-03-23	BUY	unknown	みずほ信託銀行株式会社	other	943.0K	¥4,000	-6.1%	¥4.0B ($25.8M)
2026-03-23	BUY	unknown	みずほ証券株式会社	other	512.8K	¥4,000	+6.1%	¥2.2B ($14.0M)
2026-03-23	BUY	unknown	株式会社みずほ銀行	strategic	151.3K	¥4,000	-6.1%	¥642M ($4.1M)
2026-03-23	SELL	unknown	アセットマネジメントOne株式会社	other	877.9K	¥4,000	-6.1%	¥3.7B ($24.0M)
2026-03-06	BUY	unknown	みずほ信託銀行株式会社	other	943.0K	¥4,185	-1.4%	¥4.0B ($25.8M)
2026-03-06	SELL	unknown	みずほ証券株式会社	other	507.9K	¥4,185	-1.4%	¥2.2B ($13.9M)
2026-03-06	BUY	unknown	株式会社みずほ銀行	strategic	151.3K	¥4,185	-1.4%	¥642M ($4.1M)
2026-03-06	SELL	unknown	アセットマネジメントOne株式会社	other	898.7K	¥4,185	-1.4%	¥3.8B ($24.6M)
2026-03-02	BUY	unknown	有限会社ケイエヌサービス	strategic	493.6K	¥4,315	+1.6%	¥2.1B ($13.5M)
2026-03-02	BUY	unknown	疋田耕造	strategic	1.8M	¥4,315	+1.6%	¥7.7B ($49.5M)
2025-12-22	BUY	Market Buy	みずほ信託銀行株式会社	other	943.9K	¥4,015	-5.7%	¥4.0B ($25.9M)
2025-12-22	BUY	Market Buy	みずほ証券株式会社	other	517.0K	¥4,015	+5.7%	¥2.2B ($14.2M)
2025-12-22	BUY	Market Buy	株式会社みずほ銀行	strategic	151.3K	¥4,015	-5.7%	¥642M ($4.1M)
2025-12-22	BUY	Market Buy	アセットマネジメントOne株式会社	other	940.0K	¥4,015	-5.7%	¥4.0B ($25.7M)
2025-12-05	SELL	Market Buy	みずほ信託銀行株式会社	other	943.9K	¥3,865	-9.8%	¥4.0B ($25.9M)
2025-12-05	BUY	Market Buy	みずほ証券株式会社	other	514.8K	¥3,865	+9.8%	¥2.2B ($14.1M)
2025-12-05	BUY	Market Buy	株式会社みずほ銀行	strategic	151.3K	¥3,865	-9.8%	¥642M ($4.1M)
2025-12-05	BUY	Market Buy	アセットマネジメントOne株式会社	other	940.2K	¥3,865	+9.8%	¥4.0B ($25.7M)
2025-12-01	BUY	unknown	有限会社ケイエヌサービス	strategic	493.6K	¥3,910	-8.6%	¥2.1B ($13.5M)
2025-12-01	BUY	unknown	疋田耕造	strategic	1.8M	¥3,910	-8.6%	¥7.7B ($49.5M)
2025-10-01	BUY	unknown	有限会社ケイエヌサービス KN Service Co., Ltd.	strategic	493.6K	¥4,040	+5.1%	¥2.0B ($12.9M)
2025-10-01	BUY	unknown	疋田耕造 HIKITA KOUZOU	strategic	1.8M	¥4,040	+5.1%	¥7.3B ($47.1M)
2025-09-22	BUY	Market Buy	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	945.6K	¥4,110	+3.3%	¥3.9B ($25.1M)
2025-09-22	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	511.6K	¥4,110	+3.3%	¥14M ($92K)
2025-09-22	BUY	Market Buy	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	151.3K	¥4,110	+3.3%	¥622M ($4.0M)
2025-09-22	BUY	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	913.0K	¥4,110	+3.3%	¥185M ($1.2M)
2025-09-02	BUY	unknown	有限会社ケイエヌサービス KN Service Co., Ltd.	strategic	493.6K	¥3,975	+6.8%	¥2.0B ($12.7M)
2025-09-02	BUY	unknown	疋田耕造 HIKITA KOUZOU	strategic	1.8M	¥3,975	+6.8%	¥7.2B ($46.3M)
2025-08-07	BUY	Market Buy	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	945.6K	¥3,985	+6.5%	¥3.8B ($24.3M)
2025-08-07	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	505.5K	¥3,985	+6.5%	¥14M ($89K)
2025-08-07	BUY	Market Buy	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	151.3K	¥3,985	+6.5%	¥603M ($3.9M)
2025-08-07	BUY	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	865.7K	¥3,985	+6.5%	¥83M ($535K)
2025-06-20	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	945.9K	¥3,775	+12.4%	¥3.6B ($23.0M)
2025-06-20	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	501.4K	¥3,775	-12.4%	¥26M ($169K)
2025-06-20	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	151.3K	¥3,775	+12.4%	¥571M ($3.7M)
2025-06-20	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	845.0K	¥3,775	-12.4%	¥39M ($253K)
2025-06-06	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	945.9K	¥3,700	+14.7%	¥3.5B ($22.6M)
2025-06-06	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	510.5K	¥3,700	+14.7%	¥13M ($83K)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Kohnan Shoji Co., Ltd. stock?: 10 distinct investors have filed 39 disclosed large-shareholding filings in Kohnan Shoji Co., Ltd. (7516), most recently on 2026-04-01. 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 Kohnan Shoji Co., Ltd. have?: Kohnan Shoji Co., Ltd. has 39 buy-side and 62 sell-side disclosures on record, covering ¥18.9B ($121.7M) in total reported value, spanning 2021-03-22 to 2026-04-01.
Where does StockDrifts get Kohnan Shoji Co., 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 Kohnan Shoji Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.