Who has been buying Ohashi Technica Inc. stock?

7 distinct investors have filed 11 disclosed large-shareholding filings in Ohashi Technica Inc. (7628), most recently on 2026-04-10. 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 Ohashi Technica Inc. have?

Ohashi Technica Inc. has 11 buy-side and 13 sell-side disclosures on record, covering ¥2.7B ($17.5M) in total reported value, spanning 2021-12-07 to 2026-04-10.

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.

Ohashi Technica Inc. 7628

Company

株式会社オーハシテクニカOhashi Technica Inc.

Investors

Buys

Total Value

¥2.7B ($17.5M)

Avg Return

+52.72%

Last Filing

2026-04-10

Ohashi Technica Inc. (7628) has 11 disclosed large-shareholding filings and 13 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥2.7B ($17.5M) in reported transaction value. The earliest filing StockDrifts holds for Ohashi Technica Inc. is dated 2021-12-07; the most recent is 2026-04-10. Across these filings the average return since disclosure is +52.72%, 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
2026-04-10	BUY	Market Buy	JINN HER ENTERPRISE CO.,LTD代表蔡永裕 JINN HER ENTERPRISE CO.,LTD	passive	1.3M	¥1,204	-3.4%	¥1.6B ($10.0M)
2024-05-09	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	662.4K	¥794.5	-46.4%	¥1M ($7K)
2024-05-09	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	strategic	62.6K	¥794.5	+46.4%	¥1M ($7K)
2024-05-09	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	48.4K	¥794.5	-46.4%	¥133M ($857K)
2024-05-09	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	171.3K	¥794.5	-46.4%	¥5M ($35K)
2024-03-25	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	663.2K	¥845	-	-
2024-03-25	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	strategic	60.3K	¥845	+37.6%	¥7M ($44K)
2024-03-25	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	215.3K	¥845	-	¥182M ($1.2M)
2024-03-25	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	177.4K	¥845	-37.6%	¥16M ($103K)
2023-05-29	BUY	unknown	オーハシテクニカ取引先持株会理事長佐藤義則 YOSHINORI SATO Director of Ohashi Technica Trading-Partner Shareholding	other	1.3M	¥793.5	+46.6%	¥1.1B ($6.8M)
2023-05-29	SELL	unknown	オーハシテクニカ取引先持株会理事長坂田潤一 JUNICHI SAKATA Director of Ohashi Technica Trading-Partner Shareholding	unknown	0	¥793.5	-46.6%	¥1.1B ($6.8M)
2023-03-23	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	strategic	53.1K	¥776	+49.9%	¥1M ($7K)
2023-03-23	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	199.7K	¥776	-49.9%	¥1M ($7K)
2023-03-23	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	673.6K	¥776	-	-
2023-03-07	BUY	Market Buy	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	673.6K	¥793.5	+46.6%	¥18M ($119K)
2023-03-07	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	strategic	52.0K	¥793.5	-	-
2023-03-07	BUY	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	200.8K	¥793.5	+46.6%	¥4M ($28K)
2022-12-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	203.2K	¥692	-68.1%	¥29M ($190K)
2022-12-22	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	673.6K	¥692	-68.1%	¥23M ($146K)
2022-12-22	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	strategic	53.9K	¥692	-68.1%	¥27M ($177K)
2022-12-22	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	unknown	0	¥692	-68.1%	¥22M ($139K)
2022-01-21	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	244.7K	¥666	+74.6%	¥6M ($37K)
2022-01-21	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	705.9K	¥666	-74.6%	¥2M ($12K)
2022-01-21	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	strategic	93.9K	¥666	+74.6%	¥27M ($177K)
2022-01-21	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	30.8K	¥666	-74.6%	¥123M ($792K)
2021-12-07	BUY	Market Buy	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	708.7K	¥728.5	+59.6%	¥48M ($307K)
2021-12-07	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	strategic	52.0K	¥728.5	+59.6%	¥4M ($27K)
2021-12-07	BUY	Market Buy	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	214.9K	¥728.5	-	¥157M ($1.0M)
2021-12-07	SELL	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	237.3K	¥728.5	-59.6%	¥14M ($93K)

Frequently asked questions

Who has been buying Ohashi Technica Inc. stock?: 7 distinct investors have filed 11 disclosed large-shareholding filings in Ohashi Technica Inc. (7628), most recently on 2026-04-10. 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 Ohashi Technica Inc. have?: Ohashi Technica Inc. has 11 buy-side and 13 sell-side disclosures on record, covering ¥2.7B ($17.5M) in total reported value, spanning 2021-12-07 to 2026-04-10.
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.