Who has been buying Shikoku Electric Power Company, Incorporated stock?

4 distinct investors have filed 9 disclosed large-shareholding filings in Shikoku Electric Power Company, Incorporated (9507), most recently on 2026-02-24. 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 Shikoku Electric Power Company, Incorporated have?

Shikoku Electric Power Company, Incorporated has 9 buy-side and 3 sell-side disclosures on record, covering ¥13.8B ($89.1M) in total reported value, spanning 2023-11-08 to 2026-02-24.

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.

Shikoku Electric Power Company, Incorporated 9507

Company

四国電力株式会社Shikoku Electric Power Company, Incorporated

Investors

Buys

Total Value

¥13.8B ($89.1M)

Avg Return

+26.92%

Last Filing

2026-02-24

Shikoku Electric Power Company, Incorporated (9507) has 9 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥13.8B ($89.1M) in reported transaction value. The earliest filing StockDrifts holds for Shikoku Electric Power Company, Incorporated is dated 2023-11-08; the most recent is 2026-02-24. Across these filings the average return since disclosure is +26.92%, 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
2026-09-18	BUY	Market Buy	株式会社伊予鉄グループ IYOTETSU Group Co.,Ltd.	passive	25.6M	¥2,186	-3.2%	¥5.0B ($32.2M)
2026-09-04	BUY	Market Buy	株式会社伊予鉄グループ IYOTETSU Group Co.,Ltd.	passive	23.3M	¥2,078.5	+1.9%	¥4.6B ($29.8M)
2026-08-19	SELL	unknown	野村證券株式会社	other	230.5K	¥1,801.5	-17.5%	¥1.1B ($7.0M)
2026-08-19	SELL	unknown	野村アセットマネジメント株式会社	other	8.3M	¥1,801.5	-17.5%	¥2.9B ($18.6M)
2026-08-17	BUY	Market Buy	株式会社伊予鉄グループ IYOTETSU Group Co.,Ltd.	passive	21.1M	¥1,807.5	-	¥3.8B ($24.4M)
2026-08-17	BUY	Market Buy	株式会社伊予鉄グループ IYOTETSU Group Co.,Ltd.	passive	21.1M	¥1,807.5	+17.1%	¥3.8B ($24.4M)
2026-07-21	BUY	Market Buy	株式会社伊予鉄グループ IYOTETSU Group Co.,Ltd.	passive	19.0M	¥1,519.5	+39.3%	¥3.2B ($20.8M)
2026-02-24	BUY	Market Buy	株式会社伊予鉄グループ IYOTETSU Group Co.,Ltd.	passive	16.9M	¥1,764	+20.0%	¥220M ($1.4M)
2026-02-12	BUY	Market Buy	株式会社伊予鉄グループ IYOTETSU Group Co.,Ltd.	passive	16.8M	¥1,716	+23.4%	¥3.6B ($23.2M)
2026-01-06	BUY	Market Buy	株式会社伊予鉄グループ IYOTETSU Group Co.,Ltd.	passive	14.7M	¥1,568	+35.0%	¥3.3B ($21.2M)
2025-11-25	BUY	Market Buy	株式会社伊予鉄グループ IYOTETSU Group Co.,Ltd.	passive	12.6M	¥1,538.5	+37.6%	¥3.3B ($21.2M)
2025-11-10	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	828.6K	¥1,417	+49.4%	¥1.2B ($7.6M)
2025-11-10	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	9.9M	¥1,417	+49.4%	¥14.1B ($90.7M)
2025-10-21	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	5.3K	¥1,380.5	-53.4%	¥29M ($185K)
2025-10-21	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	10.1M	¥1,380.5	-53.4%	¥2.7B ($17.4M)
2025-10-21	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	144.5K	¥1,380.5	-53.4%	¥659M ($4.3M)
2025-06-06	BUY	acquisition	株式会社伊予鉄グループ IYOTETSU Group Co.,Ltd.	passive	10.4M	¥1,170	+80.9%	¥12.2B ($78.7M)
2025-06-06	BUY	Market Buy	株式会社伊予鉄グループ IYOTETSU Group Co.,Ltd.	passive	10.4M	¥1,170	-	¥12.2B ($78.7M)
2025-04-22	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	618.1K	¥1,080	-	¥668M ($4.3M)
2025-04-22	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	18.9K	¥1,080	-	¥20M ($132K)
2025-04-22	BUY	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	12.0M	¥1,080	+96.0%	¥1.7B ($11.1M)
2023-11-08	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	10.4M	¥1,027.5	+106.0%	¥10.7B ($69.0M)

Frequently asked questions

Who has been buying Shikoku Electric Power Company, Incorporated stock?: 4 distinct investors have filed 9 disclosed large-shareholding filings in Shikoku Electric Power Company, Incorporated (9507), most recently on 2026-02-24. 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 Shikoku Electric Power Company, Incorporated have?: Shikoku Electric Power Company, Incorporated has 9 buy-side and 3 sell-side disclosures on record, covering ¥13.8B ($89.1M) in total reported value, spanning 2023-11-08 to 2026-02-24.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.