Who has been buying Kyowa Engineering Consultants Co.,Ltd. stock?

4 distinct investors have filed 10 disclosed large-shareholding filings in Kyowa Engineering Consultants Co.,Ltd. (9647), 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 Kyowa Engineering Consultants Co.,Ltd. have?

Kyowa Engineering Consultants Co.,Ltd. has 10 buy-side and 2 sell-side disclosures on record, covering ¥2.5B ($16.2M) in total reported value, spanning 2021-05-12 to 2026-03-06.

Where does StockDrifts get Kyowa Engineering Consultants 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.

Kyowa Engineering Consultants Co.,Ltd. 9647

Company

株式会社協和コンサルタンツKyowa Engineering Consultants Co.,Ltd.

Investors

Buys

Total Value

¥2.5B ($16.2M)

Avg Return

+66.55%

Last Filing

2026-03-06

Kyowa Engineering Consultants Co.,Ltd. (9647) has 10 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥2.5B ($16.2M) in reported transaction value. The earliest filing StockDrifts holds for Kyowa Engineering Consultants Co.,Ltd. is dated 2021-05-12; the most recent is 2026-03-06. 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 +66.55%, 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	BUY	Market Buy	技研ホールディングス株式会社	other	3.9K	¥8,240	+1.7%	¥32M ($204K)
2026-03-06	BUY	Market Buy	フリージア・マクロス株式会社	other	281.9K	¥8,240	-1.7%	¥2.3B ($14.7M)
2025-09-16	BUY	Market Buy	技研ホールディングス株式会社 Giken Holdings Co.,Ltd.	other	3.9K	¥6,290	+28.8%	¥25M ($158K)
2025-09-16	BUY	Market Buy	フリージア・マクロス株式会社 FREESIA MACROSS CORPORATION	other	275.7K	¥6,290	+28.8%	¥89M ($573K)
2025-09-09	SELL	Market Buy	持山銀次郎 MOCHIYAMA GINJIRO	passive	28.1K	¥6,230	-30.0%	¥37M ($240K)
2025-08-20	BUY	Market Buy	持山銀次郎 MOCHIYAMA GINJIRO	passive	33.6K	¥6,140	+31.9%	¥39M ($253K)
2025-08-20	BUY	Market Buy	持山銀次郎 MOCHIYAMA GINJIRO	passive	34.1K	¥6,140	+31.9%	¥36M ($234K)
2025-08-20	BUY	Market Buy	持山銀次郎 MOCHIYAMA GINJIRO	passive	34.1K	¥6,140	+31.9%	¥36M ($234K)
2025-03-28	BUY	Market Buy	技研ホールディングス株式会社 Giken Holdings Co.,Ltd.	other	3.9K	¥6,530	+24.0%	¥25M ($164K)
2025-03-28	BUY	Market Buy	フリージア・マクロス株式会社 FREESIA MACROSS CORPORATION	other	261.6K	¥6,530	+24.0%	¥90M ($580K)
2025-03-25	BUY	Market Buy	技研ホールディングス株式会社 Giken Holdings Co.,Ltd.	other	3.9K	¥7,070	+14.6%	¥7M ($48K)
2025-03-25	BUY	Market Buy	フリージア・マクロス株式会社 FREESIA MACROSS CORPORATION	other	247.8K	¥7,070	+14.6%	¥57M ($369K)
2025-01-17	BUY	Market Buy	技研ホールディングス株式会社 Giken Holdings Co.,Ltd.	other	2.9K	¥5,220	+55.2%	¥15M ($98K)
2025-01-17	BUY	Market Buy	フリージア・マクロス株式会社 FREESIA MACROSS CORPORATION	other	239.7K	¥5,220	+55.2%	¥5M ($34K)
2024-10-03	SELL	unknown	株式会社デジタル・メディア総合研究所 Digital Media General research institute Co.,Ltd	unknown	25.0K	¥5,190	-56.1%	¥31M ($200K)
2024-10-03	BUY	Market Buy	株式会社デジタル・メディア総合研究所 Digital Media General research institute Co.,Ltd	passive	25.0K	¥5,190	+56.1%	¥31M ($200K)
2024-07-05	BUY	Market Buy	フリージア・マクロス株式会社 FREESIA MACROSS CORPORATION	other	238.7K	¥4,785	+69.3%	¥29M ($188K)
2023-02-09	BUY	Market Buy	フリージア・マクロス株式会社 FREESIA MACROSS CORPORATION	other	232.6K	¥3,270	+147.7%	¥20M ($127K)
2022-07-27	BUY	Market Buy	フリージア・マクロス株式会社 FREESIA MACROSS CORPORATION	other	226.6K	¥3,185	+154.3%	¥22M ($140K)
2021-05-12	BUY	Market Buy	フリージア・マクロス株式会社 FREESIA MACROSS CORPORATION	other	219.8K	¥3,130	+158.8%	¥18M ($115K)

Frequently asked questions

Who has been buying Kyowa Engineering Consultants Co.,Ltd. stock?: 4 distinct investors have filed 10 disclosed large-shareholding filings in Kyowa Engineering Consultants Co.,Ltd. (9647), 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 Kyowa Engineering Consultants Co.,Ltd. have?: Kyowa Engineering Consultants Co.,Ltd. has 10 buy-side and 2 sell-side disclosures on record, covering ¥2.5B ($16.2M) in total reported value, spanning 2021-05-12 to 2026-03-06.
Where does StockDrifts get Kyowa Engineering Consultants 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 Kyowa Engineering Consultants Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.