Who has been buying 株式会社ヤマナカ stock?

7 distinct investors have filed 6 disclosed large-shareholding filings in 株式会社ヤマナカ (8190), most recently on 2024-09-20. 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 株式会社ヤマナカ have?

株式会社ヤマナカ has 6 buy-side and 2 sell-side disclosures on record, spanning 2021-04-07 to 2024-09-20.

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.

株式会社ヤマナカ 8190

Company

株式会社ヤマナカ

Investors

Buys

Total Value

—

Avg Return

—

Last Filing

2024-09-20

株式会社ヤマナカ (8190) has 6 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 7 distinct investors. The earliest filing StockDrifts holds for 株式会社ヤマナカ is dated 2021-04-07; the most recent is 2024-09-20.

Price & insider activity (12 months)

No price data available

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-08-21	BUY	unknown	岡谷不動産株式会社 OKAYA ESTATE Co.,Ltd	strategic	1.9M	-	-	-
2024-09-20	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.	unknown	0	-	-	-
2024-09-20	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	514.8K	-	-	-
2024-08-07	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	40.9K	-	-	-
2024-08-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	64.3K	-	-	-
2024-08-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	711.8K	-	-	-
2024-05-27	BUY	Market Buy	ヤマナカ取引先持株会共栄会理事長岡本均 Hitoshi Okamoto	strategic	2.6M	-	-	-
2023-09-22	BUY	unknown	株式会社なかの NAKANO Co.Ltd	unknown	2.1M	-	-	-
2023-09-22	BUY	unknown	株式会社なかの NAKANO Co.Ltd	other	2.1M	-	-	-
2022-06-17	BUY	Market Buy	ヤマナカ取引先持株会共栄会理事長岡本均 Hitoshi Okamoto	strategic	2.4M	-	-	-
2021-04-07	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	108.3K	-	-	-
2021-04-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	64.3K	-	-	-
2021-04-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	888.5K	-	-	-

Frequently asked questions

Who has been buying 株式会社ヤマナカ stock?: 7 distinct investors have filed 6 disclosed large-shareholding filings in 株式会社ヤマナカ (8190), most recently on 2024-09-20. 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 株式会社ヤマナカ have?: 株式会社ヤマナカ has 6 buy-side and 2 sell-side disclosures on record, spanning 2021-04-07 to 2024-09-20.
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.