Who has been buying Mitsui High-tec, Inc. stock?

9 distinct investors have filed 14 disclosed large-shareholding filings in Mitsui High-tec, Inc. (6966), most recently on 2026-03-06. 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 Mitsui High-tec, Inc. have?

Mitsui High-tec, Inc. has 14 buy-side and 16 sell-side disclosures on record, covering ¥6.1B ($39.7M) in total reported value, spanning 2021-04-07 to 2026-03-06.

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.

Mitsui High-tec, Inc. 6966

Company

株式会社三井ハイテックMitsui High-tec, Inc.

Investors

Buys

Total Value

¥6.1B ($39.7M)

Avg Return

-46.84%

Last Filing

2026-03-06

Mitsui High-tec, Inc. (6966) has 14 disclosed large-shareholding filings and 16 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥6.1B ($39.7M) in reported transaction value. The earliest filing StockDrifts holds for Mitsui High-tec, Inc. is dated 2021-04-07; the most recent is 2026-03-06. Across these filings the average return since disclosure is -46.84%, 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
2026-03-06	SELL	unknown	野村證券株式会社	other	91.5K	¥778	-14.4%	¥123M ($792K)
2026-03-06	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	580.3K	¥778	-	¥451M ($2.9M)
2026-03-06	SELL	unknown	野村アセットマネジメント株式会社	other	6.9M	¥778	-14.4%	¥2.2B ($14.2M)
2025-07-03	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	248.6K	¥707	+25.9%	¥176M ($1.1M)
2025-07-03	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	9.8M	¥707	+25.9%	¥6.9B ($44.6M)
2024-09-19	BUY	Market Buy	株式会社三井クリエイト Mitsui Create Co.,Ltd.	strategic	58.7M	¥867.5	+2.6%	¥5.1B ($32.7M)
2024-09-19	SELL	Market Buy	三井康誠 Yasumasa Mitsui	strategic	5.7M	¥867.5	-2.6%	¥1.2B ($7.7M)
2024-09-19	BUY	Market Buy	株式会社三井マネジメント Mitsui Management Co., Ltd.	strategic	1.9M	¥867.5	-	¥1.7B ($10.9M)
2024-08-22	SELL	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	8.3M	¥1,021.5	+12.9%	¥2.3B ($14.7M)
2024-07-05	SELL	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	2.1M	¥1,250.2	+28.8%	¥1.3B ($8.4M)
2024-01-19	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	267.3K	¥1,383.2	+35.7%	¥295M ($1.9M)
2024-01-19	SELL	unknown	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	1.7M	¥1,383.2	+35.7%	¥71M ($458K)
2023-10-20	SELL	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	3.2M	¥1,346	+33.9%	¥962M ($6.2M)
2023-08-22	BUY	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	3.9M	¥1,860	-	-
2023-08-07	BUY	Market Buy	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	3.9M	¥1,920	-53.6%	¥311M ($2.0M)
2023-06-06	SELL	unknown	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	1.7M	¥1,876	+52.6%	¥96M ($621K)
2023-06-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	479.8K	¥1,876	-52.6%	¥363M ($2.3M)
2023-04-07	BUY	Market Buy	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	3.7M	¥1,668	-46.6%	¥665M ($4.3M)
2023-02-06	BUY	Market Buy	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	1.8M	¥1,428	-37.7%	¥23M ($145K)
2023-02-06	BUY	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	288.9K	¥1,428	-37.7%	¥28M ($182K)
2023-01-20	BUY	Market Buy	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	3.3M	¥1,352	-34.2%	¥662M ($4.3M)
2022-08-04	SELL	unknown	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	1.8M	¥1,778	+49.9%	¥35M ($226K)
2022-08-04	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	268.3K	¥1,778	+49.9%	¥21M ($136K)
2022-06-06	SELL	unknown	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	1.8M	¥2,278	+60.9%	¥45M ($290K)
2022-06-06	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	280.8K	¥2,278	+60.9%	¥36M ($232K)
2022-04-07	BUY	Market Buy	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	2.8M	¥2,354	-62.2%	¥1.7B ($11.2M)
2022-04-06	BUY	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	295.9K	¥2,470	-64.0%	¥10M ($63K)
2022-04-06	BUY	Market Buy	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	1.8M	¥2,470	-64.0%	¥39M ($252K)
2022-02-22	SELL	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	2.1M	¥1,582	+43.7%	¥12M ($81K)
2022-02-07	SELL	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	2.1M	¥1,700	+47.6%	¥168M ($1.1M)
2021-10-21	BUY	Market Buy	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	1.8M	¥1,470	-39.5%	¥197M ($1.3M)
2021-10-21	SELL	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	293.5K	¥1,470	+39.5%	¥93M ($599K)
2021-04-07	BUY	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	2.2M	¥1,028	-13.4%	¥2.2B ($14.5M)

Frequently asked questions

Who has been buying Mitsui High-tec, Inc. stock?: 9 distinct investors have filed 14 disclosed large-shareholding filings in Mitsui High-tec, Inc. (6966), most recently on 2026-03-06. 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 Mitsui High-tec, Inc. have?: Mitsui High-tec, Inc. has 14 buy-side and 16 sell-side disclosures on record, covering ¥6.1B ($39.7M) in total reported value, spanning 2021-04-07 to 2026-03-06.
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.