Who has been buying C.Uyemura & Co.,Ltd. stock?

6 distinct investors have filed 3 disclosed large-shareholding filings in C.Uyemura & Co.,Ltd. (4966), most recently on 2025-09-22. 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 C.Uyemura & Co.,Ltd. have?

C.Uyemura & Co.,Ltd. has 3 buy-side and 13 sell-side disclosures on record, covering ¥17.3B ($111.6M) in total reported value, spanning 2021-04-21 to 2025-09-22.

Where does StockDrifts get C.Uyemura & 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.

C.Uyemura & Co.,Ltd. 4966

Company

上村工業株式会社C.Uyemura & Co.,Ltd.

Investors

Buys

Total Value

¥17.3B ($111.6M)

Avg Return

+250.24%

Last Filing

2025-09-22

C.Uyemura & Co.,Ltd. (4966) has 3 disclosed large-shareholding filings and 13 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥17.3B ($111.6M) in reported transaction value. The earliest filing StockDrifts holds for C.Uyemura & Co.,Ltd. is dated 2021-04-21; the most recent is 2025-09-22. 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 +250.24%, 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
2026-06-18	BUY	Market Buy	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	978.1K	¥27,070	-15.0%	¥2.1B ($13.3M)
2026-06-18	SELL	unknown	フィデリティ・マネジメント・アンド・リサーチ・ジャパン株式会社	other	86.2K	¥27,070	+15.0%	¥98M ($632K)
2026-06-18	BUY	Market Buy	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	140.2K	¥27,070	-15.0%	¥1.0B ($6.6M)
2026-06-18	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	224.9K	¥27,070	-15.0%	¥4.2B ($26.9M)
2026-06-10	SELL	unknown	フィデリティ・マネジメント・アンド・リサーチ・ジャパン株式会社	other	98.0K	¥22,470	-7.9%	¥932M ($6.0M)
2026-06-10	SELL	unknown	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	111.4K	¥22,470	-7.9%	¥222M ($1.4M)
2026-06-10	BUY	unknown	エフアイエーエムエルエルシー FIAM LLC	other	77.7K	¥22,470	+7.9%	¥1.7B ($11.3M)
2026-06-10	SELL	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	982.9K	¥22,470	-7.9%	¥3.9B ($24.9M)
2026-06-08	SELL	unknown	フィデリティ・マネジメント・アンド・リサーチ・ジャパン株式会社	other	140.3K	¥21,800	-22.2%	¥2.7B ($17.2M)
2026-06-08	BUY	unknown	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	121.4K	¥21,800	+22.2%	¥2.6B ($17.1M)
2026-06-08	SELL	unknown	エフアイエーエムエルエルシー FIAM LLC	other	77.7K	¥21,800	-22.2%	¥1.0B ($6.7M)
2026-06-08	SELL	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	1.4M	¥21,800	-22.2%	¥3.5B ($22.5M)
2026-06-08	BUY	unknown	フィデリティ・マネジメント・アンド・リサーチ・ジャパン株式会社	other	140.3K	¥21,800	+22.2%	¥3.1B ($19.7M)
2026-06-08	BUY	unknown	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	121.4K	¥21,800	+22.2%	¥2.6B ($17.1M)
2026-06-08	BUY	unknown	エフアイエーエムエルエルシー FIAM LLC	other	77.7K	¥21,800	+22.2%	¥1.7B ($10.9M)
2026-06-08	SELL	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	1.2M	¥21,800	-22.2%	¥5.1B ($33.1M)
2025-09-22	SELL	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	631.9K	¥11,560	-97.3%	¥3.2B ($20.4M)
2025-03-24	BUY	Market Buy	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.4M	¥10,480	+117.7%	¥2.8B ($18.0M)
2023-09-07	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.3M	¥10,020	-127.6%	¥2.3B ($14.6M)
2023-08-21	SELL	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	752.4K	¥8,780	-159.8%	¥2.1B ($13.7M)
2023-05-22	BUY	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	988.2K	¥6,680	+241.5%	¥6.6B ($42.6M)
2022-12-07	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.5M	¥6,460	-253.1%	¥1.5B ($9.8M)
2022-06-21	SELL	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	994.1K	¥6,190	-268.5%	¥1.9B ($12.4M)
2022-05-11	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.7M	¥5,790	-294.0%	¥1.2B ($7.7M)
2022-02-21	SELL	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	1.3M	¥5,580	-308.8%	¥1.2B ($7.5M)
2021-12-22	SELL	Market Buy	タワー投資顧問株式会社 Tower Investment Management Co., Ltd.	activist	836.5K	¥5,300	-330.4%	¥1.1B ($6.8M)
2021-11-12	SELL	Market Buy	タワー投資顧問株式会社 Tower Investment Management Co., Ltd.	activist	1.0M	¥5,090	-348.1%	¥1.1B ($6.9M)
2021-11-05	SELL	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	1.5M	¥4,735	-381.7%	¥992M ($6.4M)
2021-07-06	SELL	Market Buy	シュローダー・インベストメント・マネージメント・ノースアメリカ・リミテッド Schroder Investment Management North America Limited	passive	0	¥4,640	-391.6%	¥138M ($887K)
2021-07-06	SELL	Market Buy	シュローダー・インベストメント・マネージメント(ホンコン)リミテッドLimited) Schroder Investment Management (Hong Kong	passive	0	¥4,640	-391.6%	¥156M ($1.0M)
2021-07-06	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	1.7M	¥4,640	+391.6%	¥7.9B ($51.0M)
2021-04-21	SELL	Market Buy	タワー投資顧問株式会社 Tower Investment Management Co., Ltd.	activist	623.2K	¥3,855	-491.7%	¥289M ($1.9M)

Frequently asked questions

Who has been buying C.Uyemura & Co.,Ltd. stock?: 6 distinct investors have filed 3 disclosed large-shareholding filings in C.Uyemura & Co.,Ltd. (4966), most recently on 2025-09-22. 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 C.Uyemura & Co.,Ltd. have?: C.Uyemura & Co.,Ltd. has 3 buy-side and 13 sell-side disclosures on record, covering ¥17.3B ($111.6M) in total reported value, spanning 2021-04-21 to 2025-09-22.
Where does StockDrifts get C.Uyemura & 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 C.Uyemura & Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.