Who has been buying ERI Holdings Co., Ltd. stock?

10 distinct investors have filed 22 disclosed large-shareholding filings in ERI Holdings Co., Ltd. (6083), 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 ERI Holdings Co., Ltd. have?

ERI Holdings Co., Ltd. has 22 buy-side and 4 sell-side disclosures on record, covering ¥3.3B ($21.4M) in total reported value, spanning 2022-10-06 to 2025-09-29.

Where does StockDrifts get ERI Holdings 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.

ERI Holdings Co., Ltd. 6083

Company

ERIホールディングス株式会社ERI Holdings Co., Ltd.

Investors

Buys

Total Value

¥3.3B ($21.4M)

Avg Return

+128.98%

Last Filing

2025-09-29

ERI Holdings Co., Ltd. (6083) has 22 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥3.3B ($21.4M) in reported transaction value. The earliest filing StockDrifts holds for ERI Holdings Co., Ltd. is dated 2022-10-06; 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 +128.98%, 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
2026-06-03	BUY	Market Buy	さくら損害保険株式会社	passive	15.4K	¥1,303	+12.5%	¥20M ($129K)
2026-06-03	BUY	Market Buy	株式会社エスアイエル	passive	54.3K	¥1,303	+12.5%	¥71M ($456K)
2026-06-03	BUY	Market Buy	株式会社UH Partners 3	passive	565.4K	¥1,303	+12.5%	¥44M ($283K)
2026-06-03	BUY	Market Buy	株式会社UH Partners 2	passive	584.6K	¥1,303	+12.5%	¥762M ($4.9M)
2026-06-03	BUY	Market Buy	光通信株式会社	passive	593.7K	¥1,303	+12.5%	¥774M ($5.0M)
2025-09-29	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	15.4K	¥2,950	+39.3%	¥45M ($293K)
2025-09-29	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	531.5K	¥2,950	+39.3%	¥222M ($1.4M)
2025-09-29	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	584.6K	¥2,950	+39.3%	¥1.7B ($11.1M)
2025-09-29	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	593.7K	¥2,950	+39.3%	¥1.8B ($11.3M)
2025-04-02	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	15.4K	¥2,140	+92.1%	¥33M ($213K)
2025-04-02	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	456.6K	¥2,140	+92.1%	¥169M ($1.1M)
2025-04-02	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	584.6K	¥2,140	+92.1%	¥1.3B ($8.1M)
2025-04-02	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	593.7K	¥2,140	+92.1%	¥1.3B ($8.2M)
2025-02-18	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	15.4K	¥2,263	+81.6%	¥35M ($225K)
2025-02-18	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	377.9K	¥2,263	+81.6%	¥184M ($1.2M)
2025-02-18	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	584.6K	¥2,263	+81.6%	¥1.3B ($8.5M)
2025-02-18	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	593.7K	¥2,263	+81.6%	¥1.3B ($8.7M)
2025-01-22	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	15.4K	¥2,091	+96.6%	¥32M ($208K)
2025-01-22	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	296.3K	¥2,091	+96.6%	¥164M ($1.1M)
2025-01-22	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	593.7K	¥2,091	+96.6%	¥1.2B ($8.0M)
2025-01-22	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	584.6K	¥2,091	+96.6%	¥1.2B ($7.9M)
2024-12-11	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	15.4K	¥2,127	+93.2%	¥33M ($211K)
2024-12-11	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	217.4K	¥2,127	+93.2%	¥172M ($1.1M)
2024-12-11	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	584.6K	¥2,127	+93.2%	¥1.2B ($8.0M)
2024-12-11	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	593.7K	¥2,127	+93.2%	¥1.3B ($8.1M)
2024-11-26	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	15.4K	¥1,975	+108.1%	¥30M ($196K)
2024-11-26	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	137.0K	¥1,975	+108.1%	¥156M ($1.0M)
2024-11-26	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	584.6K	¥1,975	+108.1%	¥1.2B ($7.4M)
2024-11-26	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	593.7K	¥1,975	+108.1%	¥1.2B ($7.6M)
2024-10-08	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	15.4K	¥1,939	+112.0%	¥30M ($193K)
2024-10-08	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	584.6K	¥1,939	+112.0%	¥50M ($323K)
2024-10-08	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	593.7K	¥1,939	+112.0%	¥1.2B ($7.4M)
2024-10-08	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	58.2K	¥1,939	+112.0%	¥113M ($728K)
2024-09-03	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	593.7K	¥2,154	+90.8%	¥1.3B ($8.3M)
2024-09-03	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	15.4K	¥2,154	+90.8%	¥33M ($214K)
2024-09-03	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	558.8K	¥2,154	+90.8%	¥169M ($1.1M)
2024-08-13	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	15.4K	¥1,877	+119.0%	¥29M ($186K)
2024-08-13	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	479.8K	¥1,877	+119.0%	¥162M ($1.0M)
2024-08-13	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	593.7K	¥1,877	+119.0%	¥1.1B ($7.2M)
2024-07-29	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	15.4K	¥1,898	+116.5%	¥29M ($189K)
2024-07-29	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	394.0K	¥1,898	+116.5%	¥159M ($1.0M)
2024-07-29	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	593.7K	¥1,898	+116.5%	¥1.1B ($7.3M)
2024-07-18	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	15.4K	¥2,031	+102.4%	¥31M ($202K)
2024-07-18	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	310.2K	¥2,031	+102.4%	¥242M ($1.6M)
2024-07-18	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	593.7K	¥2,031	+102.4%	¥1.2B ($7.8M)
2024-05-28	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	15.4K	¥2,391	+71.9%	¥37M ($238K)
2024-05-28	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	190.8K	¥2,391	+71.9%	¥202M ($1.3M)
2024-05-28	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	593.7K	¥2,391	+71.9%	¥1.4B ($9.2M)
2024-04-30	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	593.7K	¥2,261	+81.8%	¥1.3B ($8.7M)
2024-04-30	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	106.4K	¥2,261	+81.8%	¥207M ($1.3M)

Showing the 50 most recent of 70 filings.

Frequently asked questions

Who has been buying ERI Holdings Co., Ltd. stock?: 10 distinct investors have filed 22 disclosed large-shareholding filings in ERI Holdings Co., Ltd. (6083), 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 ERI Holdings Co., Ltd. have?: ERI Holdings Co., Ltd. has 22 buy-side and 4 sell-side disclosures on record, covering ¥3.3B ($21.4M) in total reported value, spanning 2022-10-06 to 2025-09-29.
Where does StockDrifts get ERI Holdings 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 ERI Holdings Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.