Who has been buying Matsuo Electric Co.,Ltd. stock?

3 distinct investors have filed 11 disclosed large-shareholding filings in Matsuo Electric Co.,Ltd. (6969), most recently on 2026-04-14. 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 Matsuo Electric Co.,Ltd. have?

Matsuo Electric Co.,Ltd. has 11 buy-side and 5 sell-side disclosures on record, covering ¥625M ($4.0M) in total reported value, spanning 2021-09-06 to 2026-04-14.

Where does StockDrifts get Matsuo Electric 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.

Matsuo Electric Co.,Ltd. 6969

Company

松尾電機株式会社Matsuo Electric Co.,Ltd.

Investors

Buys

Total Value

¥625M ($4.0M)

Avg Return

+84.35%

Last Filing

2026-04-14

Matsuo Electric Co.,Ltd. (6969) has 11 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥625M ($4.0M) in reported transaction value. The earliest filing StockDrifts holds for Matsuo Electric Co.,Ltd. is dated 2021-09-06; the most recent is 2026-04-14. 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 +84.35%, 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
2026-04-14	BUY	Market Buy	釜屋電機株式会社 Kamaya Electric Co.,Ltd.	strategic	1.5M	¥1,225	+26.8%	¥599M ($3.9M)
2026-02-02	SELL	unknown	下田寛二 KANJI SHIMODA	other	142.7K	¥822	-65.0%	¥48M ($310K)
2026-02-02	BUY	unknown	下田寛二 KANJI SHIMODA	other	163.6K	¥822	+65.0%	¥31M ($199K)
2024-12-19	BUY	Market Buy	釜屋電機株式会社 Kamaya Electric Co.,Ltd.	strategic	848.5K	¥464	+192.2%	¥15M ($99K)
2022-09-08	SELL	Market Buy	サマランユーシッツ(SAMARANG UCITS) SAMARANG UCITS	passive	127.1K	¥954	-42.1%	¥67M ($435K)
2022-05-30	BUY	Market Buy	釜屋電機株式会社 Kamaya Electric Co.,Ltd.	strategic	815.4K	¥774	+75.2%	¥25M ($160K)
2022-05-30	BUY	negotiated	釜屋電機株式会社 Kamaya Electric Co.,Ltd.	strategic	815.4K	¥774	+75.2%	¥25M ($160K)
2022-04-26	BUY	Market Buy	釜屋電機株式会社 Kamaya Electric Co.,Ltd.	strategic	783.1K	¥695	+95.1%	¥27M ($176K)
2022-04-05	BUY	Market Buy	釜屋電機株式会社 Kamaya Electric Co.,Ltd.	strategic	744.1K	¥787	+72.3%	¥26M ($166K)
2022-03-16	BUY	negotiated	釜屋電機株式会社 Kamaya Electric Co.,Ltd.	strategic	711.3K	¥750	+80.8%	¥27M ($176K)
2022-03-16	BUY	Market Buy	釜屋電機株式会社 Kamaya Electric Co.,Ltd.	strategic	711.3K	¥750	+80.8%	¥27M ($176K)
2022-03-14	BUY	Market Buy	サマランユーシッツ(SAMARANG UCITS) SAMARANG UCITS	passive	197.7K	¥727	+86.5%	¥26M ($167K)
2022-03-02	BUY	Market Buy	サマランユーシッツ(SAMARANG UCITS) SAMARANG UCITS	passive	162.2K	¥742	+82.8%	¥120M ($776K)
2022-03-01	BUY	Market Buy	釜屋電機株式会社 Kamaya Electric Co.,Ltd.	strategic	675.0K	¥780	+73.8%	¥29M ($186K)
2022-02-24	SELL	unknown	下田寛二 KANJI SHIMODA	other	200.9K	¥705	-92.3%	¥31M ($203K)
2022-02-24	BUY	unknown	下田寛二 KANJI SHIMODA	other	200.9K	¥705	+92.3%	¥31M ($203K)
2022-02-24	BUY	unknown	下田寛二 KANJI SHIMODA	other	200.9K	¥705	+92.3%	¥31M ($203K)
2022-02-07	BUY	negotiated	釜屋電機株式会社 Kamaya Electric Co.,Ltd.	strategic	638.0K	¥624	+117.3%	¥398M ($2.6M)
2022-02-07	BUY	negotiated	釜屋電機株式会社 Kamaya Electric Co.,Ltd.	strategic	638.0K	¥624	+117.3%	¥398M ($2.6M)
2021-12-24	SELL	Market Buy	サマランユーシッツ(SAMARANG UCITS) SAMARANG UCITS	passive	89.5K	¥892	-52.0%	¥41M ($262K)
2021-09-24	SELL	Market Buy	サマランユーシッツ(SAMARANG UCITS) SAMARANG UCITS	passive	135.1K	¥1,217	-11.4%	¥59M ($380K)
2021-09-06	BUY	Market Buy	サマランユーシッツ(SAMARANG UCITS) SAMARANG UCITS	passive	183.3K	¥1,085	+25.0%	¥199M ($1.3M)

Frequently asked questions

Who has been buying Matsuo Electric Co.,Ltd. stock?: 3 distinct investors have filed 11 disclosed large-shareholding filings in Matsuo Electric Co.,Ltd. (6969), most recently on 2026-04-14. 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 Matsuo Electric Co.,Ltd. have?: Matsuo Electric Co.,Ltd. has 11 buy-side and 5 sell-side disclosures on record, covering ¥625M ($4.0M) in total reported value, spanning 2021-09-06 to 2026-04-14.
Where does StockDrifts get Matsuo Electric 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 Matsuo Electric Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.