Who has been buying HIRANO TECSEED Co.,Ltd. stock?

11 distinct investors have filed 9 disclosed large-shareholding filings in HIRANO TECSEED Co.,Ltd. (6245), most recently on 2025-09-29. 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 HIRANO TECSEED Co.,Ltd. have?

HIRANO TECSEED Co.,Ltd. has 9 buy-side and 7 sell-side disclosures on record, covering ¥2.7B ($17.7M) in total reported value, spanning 2021-04-19 to 2025-09-29.

Where does StockDrifts get HIRANO TECSEED 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.

HIRANO TECSEED Co.,Ltd. 6245

Company

株式会社ヒラノテクシードHIRANO TECSEED Co.,Ltd.

Investors

Buys

Total Value

¥2.7B ($17.7M)

Avg Return

-3.11%

Last Filing

2025-09-29

HIRANO TECSEED Co.,Ltd. (6245) has 9 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥2.7B ($17.7M) in reported transaction value. The earliest filing StockDrifts holds for HIRANO TECSEED Co.,Ltd. is dated 2021-04-19; the most recent is 2025-09-29. 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 -3.11%, 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
2026-07-29	SELL	unknown	ヒラノ会理事長待場宏貴 HIROKI MACHIBA	other	0	¥1,565	-19.4%	¥2.1B ($13.4M)
2026-07-29	BUY	unknown	ヒラノ会理事長新川浩 HIROSHI SHINKAWA	strategic	1.4M	¥1,565	+19.4%	¥2.2B ($14.1M)
2025-09-29	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	787.5K	¥1,611	+12.7%	¥22M ($144K)
2025-05-20	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	773.8K	¥1,432	+26.8%	¥1.1B ($7.1M)
2025-04-07	SELL	negotiated	株式会社関西みらい銀行 Kansai Mirai Bank, Ltd.	other	0	¥1,371	-32.4%	¥78M ($504K)
2025-04-07	SELL	negotiated	株式会社りそな銀行 Resona Bank, Limited.	strategic	620.2K	¥1,371	-32.4%	¥152M ($980K)
2024-10-07	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	71.9K	¥1,647	+10.2%	¥118M ($764K)
2024-10-07	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	737.0K	¥1,647	+10.2%	¥1.2B ($7.8M)
2024-09-12	SELL	unknown	ゼナーアセットマネジメントエルエルピー(Zennor Asset Management LLP) Zennor Asset Management LLP	activist	526.4K	¥1,522	-19.3%	¥375M ($2.4M)
2024-07-29	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	737.0K	¥1,825	-0.6%	¥1.3B ($8.7M)
2024-07-29	SELL	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	400	¥1,825	+0.6%	¥76M ($489K)
2024-04-24	BUY	unknown	ゼナーアセットマネジメントエルエルピー(Zennor Asset Management LLP) Zennor Asset Management LLP	activist	772.4K	¥1,946	-6.7%	¥1.5B ($9.7M)
2024-04-24	BUY	unknown	ゼナーアセットマネジメントエルエルピー(Zennor Asset Management LLP) Zennor Asset Management LLP	activist	772.4K	¥1,946	-6.7%	¥1.5B ($9.7M)
2024-04-24	BUY	unknown	ゼナーアセットマネジメントエルエルピー(Zennor Asset Management LLP) Zennor Asset Management LLP	activist	772.4K	¥1,946	-6.7%	¥1.5B ($9.7M)
2024-04-22	BUY	Market Buy	プラチナム・インベストメント・マネージメント・リミテッド Platinum Investment Management Limited	passive	615.5K	¥1,959	-7.3%	¥317M ($2.0M)
2024-03-25	SELL	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	641.1K	¥2,163	+16.1%	¥360M ($2.3M)
2024-02-07	SELL	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	806.4K	¥1,764	-2.9%	¥318M ($2.0M)
2023-07-19	BUY	unknown	プラチナム・インベストメント・マネージメント・リミテッド Platinum Investment Management Limited	activist	777.4K	¥2,248	-19.3%	¥62M ($402K)
2023-07-19	BUY	unknown	プラチナム・インベストメント・マネージメント・リミテッド Platinum Investment Management Limited	activist	777.4K	¥2,248	-19.3%	¥1.7B ($11.3M)
2022-05-19	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	624.4K	¥1,881	+3.5%	¥319M ($2.1M)
2022-05-11	BUY	Market Buy	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	986.3K	¥2,025	-10.4%	¥368M ($2.4M)
2021-05-20	BUY	Market Buy	伊藤忠商事株式会社 ITOCHU Corporation	strategic	1.3M	¥2,543	-28.6%	¥411M ($2.7M)
2021-04-19	BUY	Market Buy	伊藤忠商事株式会社 ITOCHU Corporation	strategic	1.2M	¥2,781	-34.7%	¥437M ($2.8M)

Frequently asked questions

Who has been buying HIRANO TECSEED Co.,Ltd. stock?: 11 distinct investors have filed 9 disclosed large-shareholding filings in HIRANO TECSEED Co.,Ltd. (6245), most recently on 2025-09-29. 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 HIRANO TECSEED Co.,Ltd. have?: HIRANO TECSEED Co.,Ltd. has 9 buy-side and 7 sell-side disclosures on record, covering ¥2.7B ($17.7M) in total reported value, spanning 2021-04-19 to 2025-09-29.
Where does StockDrifts get HIRANO TECSEED 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 HIRANO TECSEED Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.