Who has been buying SMK Corporation stock?

10 distinct investors have filed 6 disclosed large-shareholding filings in SMK Corporation (6798), 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 SMK Corporation have?

SMK Corporation has 6 buy-side and 10 sell-side disclosures on record, covering ¥1.2B ($7.8M) in total reported value, spanning 2021-10-04 to 2026-04-22.

Where does StockDrifts get SMK Corporation 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.

SMK Corporation 6798

Company

SMK株式会社SMK Corporation

Investors

Buys

Total Value

¥1.2B ($7.8M)

Avg Return

+32.38%

Last Filing

2026-04-22

SMK Corporation (6798) has 6 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥1.2B ($7.8M) in reported transaction value. The earliest filing StockDrifts holds for SMK Corporation is dated 2021-10-04; 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 +32.38%, 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
2026-08-06	BUY	Market Buy	fundnote株式会社 fundnote	activist	783.4K	¥3,215	+10.3%	¥250M ($1.6M)
2026-06-22	BUY	Market Buy	fundnote株式会社 fundnote	activist	705.6K	¥3,085	-5.2%	¥240M ($1.5M)
2026-05-22	BUY	Market Buy	fundnote株式会社 fundnote	activist	627.5K	¥3,560	-11.7%	¥497M ($3.2M)
2026-04-22	BUY	Market Buy	fundnote株式会社 fundnote	activist	488.5K	¥3,320	+7.7%	¥363M ($2.3M)
2026-04-22	BUY	unknown	fundnote株式会社 fundnote	activist	488.5K	¥3,320	+7.7%	¥363M ($2.3M)
2026-02-06	BUY	unknown	ｆｕｎｄｎｏｔｅ株式会社 fundnote	activist	378.7K	¥2,854	+16.0%	¥1.1B ($7.0M)
2024-03-25	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	40.8K	¥2,713	+22.0%	¥111M ($714K)
2024-03-25	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	81.2K	¥2,713	-22.0%	¥47M ($302K)
2024-03-25	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	167.6K	¥2,713	-22.0%	¥258M ($1.7M)
2023-07-07	BUY	Market Buy	SMK協力業者持株会理事長金森米男 SMK Cooperating Company Share Holding Association Chairman Yoneo Kanamori	strategic	506.2K	¥2,543	+30.2%	¥185M ($1.2M)
2023-01-11	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	41.2K	¥2,350	+40.9%	¥97M ($625K)
2023-01-11	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	98.5K	¥2,350	-40.9%	¥144M ($928K)
2023-01-11	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	strategic	6.1K	¥2,350	-40.9%	¥3M ($22K)
2023-01-11	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	262.6K	¥2,350	-40.9%	¥124M ($797K)
2022-12-19	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	119.2K	¥2,372	-39.5%	¥155M ($1.0M)
2022-12-19	SELL	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	27.9K	¥2,372	-39.5%	¥5M ($33K)
2022-12-19	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	189.9K	¥2,372	-39.5%	¥65M ($419K)
2022-03-04	BUY	Market Buy	SMK協力業者持株会理事長金森米男 SMK Cooperating Company Share Holding Association Chairman Yoneo Kanamori	strategic	451.5K	¥2,129	+55.5%	¥161M ($1.0M)
2021-10-04	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	3.2K	¥2,306	+43.5%	¥655M ($4.2M)
2021-10-04	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	31.8K	¥2,306	+43.5%	¥33M ($212K)
2021-10-04	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	226.3K	¥2,306	-43.5%	¥144M ($926K)
2021-10-04	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	192.6K	¥2,306	-43.5%	¥133M ($859K)

Frequently asked questions

Who has been buying SMK Corporation stock?: 10 distinct investors have filed 6 disclosed large-shareholding filings in SMK Corporation (6798), 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 SMK Corporation have?: SMK Corporation has 6 buy-side and 10 sell-side disclosures on record, covering ¥1.2B ($7.8M) in total reported value, spanning 2021-10-04 to 2026-04-22.
Where does StockDrifts get SMK Corporation 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 SMK Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.