Who has been buying Sanyo Denki Co., Ltd. stock?

8 distinct investors have filed 14 disclosed large-shareholding filings in Sanyo Denki Co., Ltd. (6516), most recently on 2026-02-16. 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 Sanyo Denki Co., Ltd. have?

Sanyo Denki Co., Ltd. has 14 buy-side and 3 sell-side disclosures on record, covering ¥703M ($4.5M) in total reported value, spanning 2022-01-11 to 2026-02-16.

Where does StockDrifts get Sanyo Denki 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.

Sanyo Denki Co., Ltd. 6516

Company

山洋電気株式会社Sanyo Denki Co., Ltd.

Investors

Buys

Total Value

¥703M ($4.5M)

Avg Return

+64.13%

Last Filing

2026-02-16

Sanyo Denki Co., Ltd. (6516) has 14 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥703M ($4.5M) in reported transaction value. The earliest filing StockDrifts holds for Sanyo Denki Co., Ltd. is dated 2022-01-11; the most recent is 2026-02-16. 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 +64.13%, 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
2026-07-08	SELL	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	5.1M	¥5,940	+1.4%	¥1.3B ($8.5M)
2026-06-30	SELL	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	5.4M	¥6,520	+12.3%	¥2.8B ($17.8M)
2026-06-01	SELL	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	5.8M	¥6,990	+1.1%	¥2.9B ($18.4M)
2026-02-16	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	6.2M	¥4,785	+7.6%	¥29.6B ($190.9M)
2026-02-06	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	6.2M	¥4,280	+20.3%	¥700M ($4.5M)
2026-01-20	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	6.0M	¥4,220	+22.0%	¥378M ($2.4M)
2025-10-09	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	5.9M	¥3,540	+45.5%	¥1.4B ($9.0M)
2025-07-14	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	1.8M	¥3,220	+59.9%	¥430M ($2.8M)
2025-04-16	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	1.7M	¥2,873.33	+79.2%	¥421M ($2.7M)
2025-03-21	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	1.6M	¥3,033.33	+69.8%	¥382M ($2.5M)
2025-02-05	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	1.4M	¥3,113.33	+65.4%	¥444M ($2.9M)
2024-10-25	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	1.3M	¥2,970	+73.4%	¥3.9B ($24.9M)
2024-09-27	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	1.3M	¥3,230	+59.4%	¥381M ($2.5M)
2024-09-17	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	1.2M	¥3,136.67	+64.2%	¥439M ($2.8M)
2024-09-09	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	1.0M	¥3,166.67	+62.6%	¥255M ($1.6M)
2024-09-05	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	958.1K	¥3,086.67	+66.8%	¥444M ($2.9M)
2024-09-02	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	814.9K	¥3,100	+66.1%	¥418M ($2.7M)
2024-08-27	BUY	Market Buy	株式会社ストラテジックキャピタル Strategic Capital, Inc.	activist	679.5K	¥2,650	+94.3%	¥1.8B ($11.6M)
2024-04-04	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	194.0K	¥2,320	+122.0%	¥450M ($2.9M)
2024-04-04	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	135.0K	¥2,320	+122.0%	¥3M ($19K)
2024-04-04	SELL	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	224.9K	¥2,320	-122.0%	¥304M ($2.0M)
2022-08-01	BUY	unknown	山洋開発株式会社 Sanyo Development Co., Ltd.	strategic	318.8K	¥1,790	+187.7%	¥571M ($3.7M)
2022-08-01	BUY	unknown	協同興業株式会社 KYODOKOGYO Co.,Ltd.	other	1.8M	¥1,790	+187.7%	¥3.3B ($21.3M)
2022-01-11	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	556.5K	¥1,893.33	-172.0%	¥91M ($586K)
2022-01-11	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	67.8K	¥1,893.33	-172.0%	¥194M ($1.3M)

Frequently asked questions

Who has been buying Sanyo Denki Co., Ltd. stock?: 8 distinct investors have filed 14 disclosed large-shareholding filings in Sanyo Denki Co., Ltd. (6516), most recently on 2026-02-16. 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 Sanyo Denki Co., Ltd. have?: Sanyo Denki Co., Ltd. has 14 buy-side and 3 sell-side disclosures on record, covering ¥703M ($4.5M) in total reported value, spanning 2022-01-11 to 2026-02-16.
Where does StockDrifts get Sanyo Denki 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 Sanyo Denki Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.