Who has been buying Environment Friendly Holdings Corp. stock?

8 distinct investors have filed 11 disclosed large-shareholding filings in Environment Friendly Holdings Corp. (3777), most recently on 2026-04-13. 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 Environment Friendly Holdings Corp. have?

Environment Friendly Holdings Corp. has 11 buy-side and 11 sell-side disclosures on record, covering ¥11.1B ($71.7M) in total reported value, spanning 2021-03-29 to 2026-04-13.

Where does StockDrifts get Environment Friendly Holdings Corp. 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.

Environment Friendly Holdings Corp. 3777

Company

株式会社環境フレンドリーホールディングスEnvironment Friendly Holdings Corp.

Investors

Buys

Total Value

¥11.1B ($71.7M)

Avg Return

+69.80%

Last Filing

2026-04-13

Environment Friendly Holdings Corp. (3777) has 11 disclosed large-shareholding filings and 11 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥11.1B ($71.7M) in reported transaction value. The earliest filing StockDrifts holds for Environment Friendly Holdings Corp. is dated 2021-03-29; the most recent is 2026-04-13. 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 +69.80%, 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
2026-08-10	BUY	private	SIRIUS SECURITY SYSTEM COMPANY LIMITED	passive	30.0M	¥46	-2.2%	¥1.4B ($8.9M)
2026-07-01	BUY	Market Buy	エスクリプトエナジー株式会社代表取締役久永賢剛 S Crypto Energy Inc.	passive	28.5M	¥51	-9.8%	¥39M ($250K)
2026-07-01	BUY	Market Buy	エスクリプトエナジー株式会社代表取締役久永賢剛 S Crypto Energy Inc.	passive	28.5M	¥51	-9.8%	¥39M ($250K)
2026-06-19	BUY	private	ORCHID PLUS PTE. LTD.	passive	113.1M	¥55	-12.7%	¥6.2B ($40.1M)
2026-06-17	SELL	Market Buy	文智勇	passive	0	¥56	+14.3%	¥1.5B ($9.8M)
2026-06-17	SELL	Market Buy	株式会社グハギ	passive	3.9M	¥56	+14.3%	¥188M ($1.2M)
2026-06-16	BUY	private	ORCHID PLUS PTE. LTD.	passive	113.1M	¥54	-9.3%	¥1.0B ($6.6M)
2026-06-09	BUY	Market Buy	エスクリプトエナジー株式会社代表取締役久永賢剛 S Crypto Energy Inc.	passive	28.5M	¥53	-7.5%	¥1.5B ($9.7M)
2026-04-13	SELL	Market Buy	ORCHID PLUS PTE. LTD.	passive	84.8M	¥58	-1.7%	¥186M ($1.2M)
2026-02-24	SELL	Market Buy	ORCHID PLUS PTE. LTD.	passive	87.9M	¥59	-1.7%	¥190M ($1.2M)
2026-02-19	SELL	Market Buy	ORCHID PLUS PTE. LTD.	passive	91.4M	¥64	+6.3%	¥450M ($2.9M)
2025-10-02	SELL	Market Buy	RIHUAXING INVESTMENT LIMITED	passive	18.0M	¥55	-9.1%	¥139M ($896K)
2025-07-23	BUY	Market Buy	RIHUAXING INVESTMENT LIMITED	passive	20.0M	¥61	-1.6%	¥1.2B ($7.9M)
2025-07-23	BUY	Market Buy	RIHUAXING INVESTMENT LIMITED	passive	20.0M	¥61	-1.6%	¥1.2B ($7.9M)
2025-07-14	BUY	Market Buy	株式会社MC MC CO., LTD.	passive	80.0M	¥67	-10.4%	¥5.4B ($34.6M)
2025-07-14	BUY	Market Buy	株式会社MC MC CO., LTD.	passive	80.0M	¥67	-10.4%	¥5.4B ($34.6M)
2025-06-17	BUY	Market Buy	株式会社MC MC CO., LTD.	passive	80.0M	¥31	+93.5%	¥2.5B ($16.0M)
2025-06-17	BUY	Market Buy	ORCHID PLUS PTE. LTD.	passive	94.7M	¥31	+93.5%	¥755M ($4.9M)
2025-06-17	SELL	Market Buy	株式会社BPMH BPMH Inc.	passive	0	¥31	-93.5%	¥3.5B ($22.4M)
2024-12-17	SELL	Market Buy	ソラ株式会社 SORA,inc.	passive	0	¥31	-93.5%	¥3.4B ($22.2M)
2024-12-17	BUY	Market Buy	株式会社BPMH BPMH Inc.	passive	108.2M	¥31	+93.5%	¥3.4B ($21.6M)
2024-10-24	SELL	Market Buy	文智勇 MOON JI YONG	passive	28.3M	¥30	-100.0%	¥17M ($108K)
2024-10-24	BUY	Market Buy	文智勇 MOON JI YONG	passive	28.3M	¥30	+100.0%	¥849M ($5.5M)
2024-10-24	BUY	Market Buy	株式会社グハギ Guhagi Co., Ltd.	passive	6.9M	¥30	+100.0%	¥207M ($1.3M)
2024-10-24	SELL	Market Buy	文智勇 MOON JI YONG	passive	28.3M	¥30	-100.0%	¥17M ($112K)
2024-10-24	BUY	Market Buy	文智勇 MOON JI YONG	passive	28.3M	¥30	+100.0%	¥849M ($5.5M)
2024-10-24	BUY	Market Buy	株式会社グハギ Guhagi Co., Ltd.	passive	6.9M	¥30	+100.0%	¥207M ($1.3M)
2024-08-29	BUY	Market Buy	田副さくら Sakura Tazoe	passive	358.3K	¥31	+93.5%	¥11M ($72K)
2024-08-29	BUY	Market Buy	ORCHID PLUS PTE. LTD.	passive	66.5M	¥31	+93.5%	¥689M ($4.4M)
2024-08-29	BUY	Market Buy	ORCHID PLUS PTE. LTD.	passive	66.5M	¥31	+93.5%	¥689M ($4.4M)
2024-08-29	BUY	Market Buy	ORCHID PLUS PTE. LTD.	passive	66.5M	¥31	+93.5%	¥689M ($4.4M)
2024-06-17	BUY	Market Buy	田副さくら Sakura Tazoe	passive	358.3K	¥36	+66.7%	¥13M ($83K)
2024-06-17	BUY	Market Buy	ORCHID PLUS PTE. LTD.	passive	38.2M	¥36	+66.7%	¥1.4B ($8.9M)
2024-06-17	BUY	Market Buy	ORCHID PLUS PTE. LTD.	passive	38.2M	¥36	+66.7%	¥1.4B ($8.9M)
2024-06-14	SELL	Market Buy	ソラ株式会社 SORA,inc.	passive	108.2M	¥36	-66.7%	¥1.1B ($7.0M)
2023-03-10	BUY	Market Buy	ソラ株式会社 SORA,inc.	passive	138.2M	¥59	+1.7%	¥1.8B ($11.3M)
2022-11-08	BUY	Market Buy	ソラ株式会社 SORA,inc.	passive	90.1M	¥26	+130.8%	¥2.3B ($15.1M)
2022-06-28	BUY	Market Buy	ソラ株式会社 SORA,inc.	passive	90.1M	¥19	+215.8%	¥1.7B ($11.0M)
2021-11-15	BUY	Market Buy	ソラ株式会社 SORA,inc.	passive	90.1M	¥22	+172.7%	¥2.0B ($12.8M)
2021-10-07	BUY	Market Buy	ソラ株式会社 SORA,inc.	passive	90.1M	¥23	+160.9%	¥2.1B ($13.4M)
2021-10-07	BUY	Market Buy	ソラ株式会社 SORA,inc.	passive	90.1M	¥23	+160.9%	¥2.1B ($13.4M)
2021-09-24	BUY	Market Buy	ソラ株式会社 SORA,inc.	passive	90.1M	¥25	+140.0%	¥2.3B ($14.5M)
2021-09-24	BUY	Market Buy	ソラ株式会社 SORA,inc.	passive	90.1M	¥25	+140.0%	¥2.3B ($14.5M)
2021-05-31	BUY	Market Buy	ソラ株式会社 SORA,inc.	passive	90.1M	¥17	+252.9%	¥1.5B ($9.9M)
2021-04-19	BUY	Market Buy	ソラ株式会社 SORA,inc.	passive	90.1M	¥18	+233.3%	¥1.6B ($10.5M)
2021-04-16	SELL	Market Buy	ソラ株式会社 SORA,inc.	passive	90.1M	¥16	-275.0%	¥30M ($192K)
2021-04-14	SELL	Market Buy	ソラ株式会社 SORA,inc.	passive	92.7M	¥16	-275.0%	¥27M ($177K)
2021-03-31	BUY	Market Buy	ソラ株式会社 SORA,inc.	passive	95.1M	¥18	+233.3%	¥1.7B ($11.0M)
2021-03-29	BUY	Market Buy	ソラ株式会社 SORA,inc.	passive	95.1M	¥18	+233.3%	¥1.7B ($11.0M)

Frequently asked questions

Who has been buying Environment Friendly Holdings Corp. stock?: 8 distinct investors have filed 11 disclosed large-shareholding filings in Environment Friendly Holdings Corp. (3777), most recently on 2026-04-13. 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 Environment Friendly Holdings Corp. have?: Environment Friendly Holdings Corp. has 11 buy-side and 11 sell-side disclosures on record, covering ¥11.1B ($71.7M) in total reported value, spanning 2021-03-29 to 2026-04-13.
Where does StockDrifts get Environment Friendly Holdings Corp. 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 Environment Friendly Holdings Corp.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.