Who has been buying Kaga Electronics Co.,Ltd. stock?

12 distinct investors have filed 15 disclosed large-shareholding filings in Kaga Electronics Co.,Ltd. (8154), most recently on 2025-08-22. 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 Kaga Electronics Co.,Ltd. have?

Kaga Electronics Co.,Ltd. has 15 buy-side and 15 sell-side disclosures on record, covering ¥8.2B ($53.1M) in total reported value, spanning 2021-04-01 to 2025-08-22.

Where does StockDrifts get Kaga Electronics 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.

Kaga Electronics Co.,Ltd. 8154

Company

加賀電子株式会社Kaga Electronics Co.,Ltd.

Investors

Buys

Total Value

¥8.2B ($53.1M)

Avg Return

+73.73%

Last Filing

2025-08-22

Kaga Electronics Co.,Ltd. (8154) has 15 disclosed large-shareholding filings and 15 disclosed disposals on record, filed by 12 distinct investors. Together those filings cover ¥8.2B ($53.1M) in reported transaction value. The earliest filing StockDrifts holds for Kaga Electronics Co.,Ltd. is dated 2021-04-01; the most recent is 2025-08-22. 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 +73.73%, 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
2025-08-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	845.5K	¥3,345	+22.3%	¥2.8B ($18.0M)
2025-08-22	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	unknown	0	¥3,345	-22.3%	¥6.4B ($41.0M)
2025-08-18	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	15.3K	¥3,225	+26.8%	¥4.2B ($27.2M)
2025-08-18	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	610.5K	¥3,225	+26.8%	¥592M ($3.8M)
2025-08-18	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.2M	¥3,225	+26.8%	¥204M ($1.3M)
2025-08-18	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	68	¥3,225	-26.8%	¥7.3B ($47.3M)
2024-07-29	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.1M	¥2,720	+50.4%	¥3.1B ($20.0M)
2024-07-29	SELL	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	205.3K	¥2,720	-50.4%	¥211M ($1.4M)
2024-07-29	SELL	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	211.2K	¥2,720	-50.4%	¥16M ($101K)
2024-07-29	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	559.5K	¥2,720	+50.4%	¥211M ($1.4M)
2024-01-15	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	284.5K	¥3,380	+21.0%	¥961M ($6.2M)
2024-01-15	SELL	negotiated	三菱UFJ不動産投資顧問株式会社 Mitsubishi UFJ Real Estate Investment Advisors Co., Ltd.	unknown	0	¥3,380	-21.0%	¥204M ($1.3M)
2024-01-15	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	218.0K	¥3,380	+21.0%	¥223M ($1.4M)
2024-01-15	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	480.8K	¥3,380	+21.0%	¥10M ($63K)
2024-01-15	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.1M	¥3,380	+21.0%	¥3.8B ($24.8M)
2023-07-03	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.1M	¥3,295	+24.1%	¥3.7B ($24.2M)
2023-07-03	BUY	negotiated	エム・ユー投資顧問株式会社 M.U. Investment Advisors Co., Ltd.	passive	59.9K	¥3,295	+24.1%	¥76M ($488K)
2023-07-03	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	16.0K	¥3,295	+24.1%	¥5.5B ($35.8M)
2023-07-03	SELL	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	152.5K	¥3,295	-24.1%	¥766M ($4.9M)
2023-07-03	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	479.2K	¥3,295	-24.1%	¥151M ($976K)
2022-11-08	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	38.9K	¥2,262.5	+80.8%	¥88M ($567K)
2022-11-08	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.1M	¥2,262.5	+80.8%	¥2.6B ($16.6M)
2022-11-08	BUY	negotiated	エム・ユー投資顧問株式会社 M.U. Investment Advisors Co., Ltd.	passive	38.7K	¥2,262.5	+80.8%	¥13M ($84K)
2022-11-08	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	385.8K	¥2,262.5	+80.8%	¥584M ($3.8M)
2022-11-08	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	524.6K	¥2,262.5	+80.8%	¥32M ($209K)
2022-10-11	SELL	negotiated	株式会社三共 SANKYO CO., LTD.	strategic	1.3M	¥2,032.5	-101.2%	¥601M ($3.9M)
2022-08-19	SELL	negotiated	株式会社三共 SANKYO CO., LTD.	strategic	1.6M	¥2,057.5	-98.8%	¥614M ($4.0M)
2022-06-21	SELL	negotiated	株式会社三共 SANKYO CO., LTD.	strategic	1.9M	¥1,517.5	-169.5%	¥636M ($4.1M)
2022-05-19	SELL	negotiated	株式会社三共 SANKYO CO., LTD.	strategic	2.3M	¥1,565	-161.3%	¥454M ($2.9M)
2022-03-22	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.1M	¥1,550	-163.9%	¥116M ($746K)
2022-03-22	BUY	negotiated	エム・ユー投資顧問株式会社 M.U. Investment Advisors Co., Ltd.	passive	31.0K	¥1,550	+163.9%	¥48M ($310K)
2022-03-22	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	125.7K	¥1,550	+163.9%	¥85M ($545K)
2022-03-22	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	511.2K	¥1,550	+163.9%	¥125M ($804K)
2021-08-16	SELL	negotiated	株式会社三共 SANKYO CO., LTD.	strategic	2.6M	¥1,411.5	-189.8%	¥1.7B ($10.7M)
2021-04-01	BUY	unknown	塚本節子 Setsuko Tsukamoto	activist	70.3K	¥1,041.944	+292.5%	¥73M ($472K)
2021-04-01	BUY	unknown	KGF株式会社 KGF Co., Ltd.	activist	10.0K	¥1,041.944	+292.5%	¥10M ($67K)
2021-04-01	BUY	unknown	株式会社OKOZE OKOZE Co., Ltd.	activist	1.8M	¥1,041.944	+292.5%	¥1.9B ($12.4M)
2021-04-01	BUY	unknown	塚本節子 Setsuko Tsukamoto	activist	70.3K	¥1,041.944	+292.5%	¥3M ($19K)
2021-04-01	BUY	unknown	KGF株式会社 KGF Co., Ltd.	activist	10.0K	¥1,041.944	+292.5%	¥10M ($67K)
2021-04-01	BUY	unknown	株式会社OKOZE OKOZE Co., Ltd.	activist	1.8M	¥1,041.944	+292.5%	¥1.9B ($12.4M)
2021-04-01	SELL	unknown	塚本勲 Isao Tsukamoto	activist	731.1K	¥1,041.944	-292.5%	¥3M ($19K)
2021-04-01	SELL	unknown	塚本勲 Isao Tsukamoto	activist	731.1K	¥1,041.944	-292.5%	¥3M ($19K)

Frequently asked questions

Who has been buying Kaga Electronics Co.,Ltd. stock?: 12 distinct investors have filed 15 disclosed large-shareholding filings in Kaga Electronics Co.,Ltd. (8154), most recently on 2025-08-22. 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 Kaga Electronics Co.,Ltd. have?: Kaga Electronics Co.,Ltd. has 15 buy-side and 15 sell-side disclosures on record, covering ¥8.2B ($53.1M) in total reported value, spanning 2021-04-01 to 2025-08-22.
Where does StockDrifts get Kaga Electronics 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 Kaga Electronics Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.