Who has been buying Sakai Heavy Industries, Ltd. stock?

7 distinct investors have filed 5 disclosed large-shareholding filings in Sakai Heavy Industries, Ltd. (6358), most recently on 2024-07-29. 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 Sakai Heavy Industries, Ltd. have?

Sakai Heavy Industries, Ltd. has 5 buy-side and 12 sell-side disclosures on record, covering ¥415M ($2.7M) in total reported value, spanning 2021-03-18 to 2024-07-29.

Where does StockDrifts get Sakai Heavy Industries, 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.

Sakai Heavy Industries, Ltd. 6358

Company

酒井重工業株式会社Sakai Heavy Industries, Ltd.

Investors

Buys

Total Value

¥415M ($2.7M)

Avg Return

-16.64%

Last Filing

2024-07-29

Sakai Heavy Industries, Ltd. (6358) has 5 disclosed large-shareholding filings and 12 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥415M ($2.7M) in reported transaction value. The earliest filing StockDrifts holds for Sakai Heavy Industries, Ltd. is dated 2021-03-18; the most recent is 2024-07-29. 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 -16.64%, 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
2024-07-29	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	207.6K	¥2,920	+28.4%	¥3M ($17K)
2024-07-29	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	22.1K	¥2,920	-28.4%	¥18M ($116K)
2024-07-29	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	95.6K	¥2,920	-28.4%	¥70M ($448K)
2024-06-21	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	73.0K	¥2,970	-29.6%	¥135M ($870K)
2024-06-21	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	207.6K	¥2,970	+29.6%	¥3M ($17K)
2023-04-17	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	1.2K	¥2,060	+1.6%	¥262M ($1.7M)
2023-04-17	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	15.7K	¥2,060	+1.6%	¥8M ($53K)
2023-04-17	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	71.7K	¥2,060	-1.6%	¥76M ($490K)
2023-04-17	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	207.6K	¥2,060	-1.6%	¥13M ($82K)
2022-10-21	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	27.6K	¥1,469	-42.4%	¥63M ($404K)
2022-10-21	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	207.6K	¥1,469	-42.4%	¥1M ($8K)
2022-07-25	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	69.9K	¥1,466	-42.7%	¥55M ($355K)
2022-07-25	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	207.6K	¥1,466	-42.7%	¥10M ($62K)
2021-05-19	SELL	Market Buy	オールド・ピーク・グループ・リミテッド(Old Peak Group Ltd.) Old Peak Group Ltd.	passive	189.3K	¥1,013	-106.5%	¥54M ($346K)
2021-05-19	BUY	Market Buy	オールド・ピーク・グループ・リミテッド(Old Peak Group Ltd.) Old Peak Group Ltd.	passive	189.3K	-	-	-
2021-04-30	SELL	Market Buy	オールド・ピーク・グループ・リミテッド(Old Peak Group Ltd.) Old Peak Group Ltd.	passive	242.0K	¥1,035	-102.1%	¥45M ($293K)
2021-04-30	BUY	Market Buy	オールド・ピーク・グループ・リミテッド(Old Peak Group Ltd.) Old Peak Group Ltd.	passive	242.0K	-	-	-
2021-03-26	SELL	Market Buy	オールド・ピーク・グループ・リミテッド(Old Peak Group Ltd.) Old Peak Group Ltd.	passive	286.0K	¥836.01	-150.2%	¥40M ($255K)
2021-03-26	BUY	Market Buy	オールド・ピーク・グループ・リミテッド(Old Peak Group Ltd.) Old Peak Group Ltd.	passive	286.0K	-	-	-
2021-03-18	BUY	Market Buy	オールド・ピーク・グループ・リミテッド(Old Peak Group Ltd.) Old Peak Group Ltd.	passive	333.3K	-	-	-
2021-03-18	SELL	Market Buy	オールド・ピーク・グループ・リミテッド(Old Peak Group Ltd.) Old Peak Group Ltd.	passive	333.3K	¥862.649	-142.5%	¥38M ($246K)

Frequently asked questions

Who has been buying Sakai Heavy Industries, Ltd. stock?: 7 distinct investors have filed 5 disclosed large-shareholding filings in Sakai Heavy Industries, Ltd. (6358), most recently on 2024-07-29. 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 Sakai Heavy Industries, Ltd. have?: Sakai Heavy Industries, Ltd. has 5 buy-side and 12 sell-side disclosures on record, covering ¥415M ($2.7M) in total reported value, spanning 2021-03-18 to 2024-07-29.
Where does StockDrifts get Sakai Heavy Industries, 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 Sakai Heavy Industries, Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.