Who has been buying F&M Co.,Ltd. stock?

10 distinct investors have filed 13 disclosed large-shareholding filings in F&M Co.,Ltd. (4771), most recently on 2025-12-17. 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 F&M Co.,Ltd. have?

F&M Co.,Ltd. has 13 buy-side and 11 sell-side disclosures on record, covering ¥6.3B ($40.7M) in total reported value, spanning 2021-03-19 to 2025-12-17.

Where does StockDrifts get F&M 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.

F&M Co.,Ltd. 4771

Company

株式会社エフアンドエムF&M Co.,Ltd.

Investors

Buys

Total Value

¥6.3B ($40.7M)

Avg Return

+23.29%

Last Filing

2025-12-17

F&M Co.,Ltd. (4771) has 13 disclosed large-shareholding filings and 11 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥6.3B ($40.7M) in reported transaction value. The earliest filing StockDrifts holds for F&M Co.,Ltd. is dated 2021-03-19; the most recent is 2025-12-17. 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 +23.29%, 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
2026-06-11	BUY	Market Buy	株式会社UH Partners 2	passive	1.1M	¥2,417	-1.3%	¥2.7B ($17.3M)
2026-06-11	BUY	Market Buy	光通信株式会社	passive	818.8K	¥2,417	-1.3%	¥273M ($1.8M)
2026-06-11	BUY	Market Buy	さくら損害保険株式会社	passive	18.6K	¥2,417	-1.3%	¥45M ($290K)
2026-06-11	BUY	Market Buy	株式会社UH6	passive	136.6K	¥2,417	-1.3%	¥330M ($2.1M)
2026-06-11	BUY	Market Buy	株式会社UH5	passive	20.6K	¥2,417	-1.3%	¥50M ($321K)
2026-06-11	SELL	Market Buy	株式会社UH Partners 3	passive	32.8K	¥2,417	+1.3%	¥216M ($1.4M)
2025-12-17	BUY	Market Buy	さくら損害保険株式会社	passive	18.6K	¥2,366	+8.0%	¥40M ($261K)
2025-12-17	BUY	Market Buy	株式会社UH5	passive	20.6K	¥2,366	+8.0%	¥45M ($289K)
2025-12-17	BUY	Market Buy	株式会社UH Partners 3	passive	123.3K	¥2,366	-8.0%	¥268M ($1.7M)
2025-12-17	BUY	Market Buy	株式会社UH Partners 2	passive	1.1M	¥2,366	+8.0%	¥2.4B ($15.6M)
2025-12-17	BUY	Market Buy	光通信株式会社	passive	706.3K	¥2,366	-8.0%	¥1.5B ($9.9M)
2025-11-10	SELL	unknown	fundnote株式会社 fundnote	unknown	0	¥2,530	+13.9%	¥2.3B ($14.9M)
2025-10-22	BUY	unknown	fundnote株式会社 fundnote	activist	911.4K	¥2,812	-22.6%	¥2.6B ($16.5M)
2025-09-26	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	18.6K	¥2,701	-19.4%	¥50M ($324K)
2025-09-26	SELL	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	59.3K	¥2,701	+19.4%	¥4.1B ($26.3M)
2025-09-26	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.1M	¥2,701	-19.4%	¥3.0B ($19.3M)
2025-09-26	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	624.3K	¥2,701	-19.4%	¥1.7B ($10.9M)
2025-08-07	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	18.6K	¥2,747	-20.8%	¥51M ($330K)
2025-08-07	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	15.9K	¥2,747	-20.8%	¥44M ($282K)
2025-08-07	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.1M	¥2,747	-20.8%	¥410M ($2.6M)
2025-08-07	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	624.3K	¥2,747	-20.8%	¥1.7B ($11.1M)
2025-05-23	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	18.6K	¥2,507	-13.2%	¥47M ($301K)
2025-05-23	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	959.4K	¥2,507	-13.2%	¥414M ($2.7M)
2025-05-23	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	624.3K	¥2,507	-13.2%	¥1.6B ($10.1M)
2025-01-14	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	624.3K	¥1,461	+49.0%	¥184M ($1.2M)
2025-01-14	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	18.6K	¥1,461	+49.0%	¥27M ($175K)
2025-01-14	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	795.7K	¥1,461	+49.0%	¥119M ($770K)
2024-11-08	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	18.6K	¥1,498	+45.3%	¥2M ($15K)
2024-11-08	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	714.1K	¥1,498	+45.3%	¥139M ($896K)
2024-11-08	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	497.6K	¥1,498	+45.3%	¥97M ($623K)
2024-09-11	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	17.9K	¥1,639	+32.8%	¥29M ($189K)
2024-09-11	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	621.1K	¥1,639	+32.8%	¥1.0B ($6.6M)
2024-09-11	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	433.9K	¥1,639	-32.8%	¥865M ($5.6M)
2024-08-22	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	961.9K	¥1,649	+32.0%	¥277M ($1.8M)
2024-08-01	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	794.3K	¥1,608	+35.4%	¥1.3B ($8.2M)
2024-03-26	BUY	unknown	合同会社モリナカホールディングス GOUDOUGAISYA MORINAKAHOLDINGS	other	64.0K	¥2,136	+1.9%	¥111M ($714K)
2024-03-26	BUY	unknown	森中一郎 ICHIRO MORINAKA	other	5.0K	¥2,136	+1.9%	¥87M ($564K)
2024-03-26	BUY	unknown	合同会社モリナカホールディングス GOUDOUGAISYA MORINAKAHOLDINGS	other	64.0K	¥2,136	+1.9%	¥85M ($551K)
2024-03-08	SELL	unknown	森中一郎 ICHIRO MORINAKA	other	453.6K	¥2,100	-3.7%	¥119M ($766K)
2024-03-08	SELL	unknown	森中一郎 ICHIRO MORINAKA	other	453.6K	¥2,100	-3.7%	¥119M ($766K)
2024-03-08	SELL	unknown	株式会社モリナカホールディングス Morinaka Holdings Co., Ltd.	other	6.5M	¥2,100	-3.7%	¥96M ($617K)
2024-03-08	SELL	unknown	株式会社モリナカホールディングス Morinaka Holdings Co., Ltd.	other	6.5M	¥2,100	-3.7%	¥96M ($617K)
2022-03-03	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	739.2K	¥1,919	-13.4%	¥302M ($1.9M)
2021-11-19	SELL	unknown	りそなアセットマネジメント株式会社 Resona Asset Management Co.,Ltd.	other	628.0K	¥2,156	-1.0%	¥349M ($2.3M)
2021-08-19	BUY	unknown	りそなアセットマネジメント株式会社 Resona Asset Management Co.,Ltd.	other	790.1K	¥1,252	+73.9%	¥989M ($6.4M)
2021-03-22	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	890.1K	¥1,455.902	-49.5%	¥5M ($29K)
2021-03-19	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	685.2K	¥1,454.079	-49.7%	¥252M ($1.6M)

Frequently asked questions

Who has been buying F&M Co.,Ltd. stock?: 10 distinct investors have filed 13 disclosed large-shareholding filings in F&M Co.,Ltd. (4771), most recently on 2025-12-17. 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 F&M Co.,Ltd. have?: F&M Co.,Ltd. has 13 buy-side and 11 sell-side disclosures on record, covering ¥6.3B ($40.7M) in total reported value, spanning 2021-03-19 to 2025-12-17.
Where does StockDrifts get F&M 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 F&M Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.