Who has been buying Japan Asia Investment Co., Ltd. stock?

10 distinct investors have filed 29 disclosed large-shareholding filings in Japan Asia Investment Co., Ltd. (8518), most recently on 2026-05-14. 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 Japan Asia Investment Co., Ltd. have?

Japan Asia Investment Co., Ltd. has 29 buy-side and 16 sell-side disclosures on record, covering ¥9.8B ($63.0M) in total reported value, spanning 2021-03-26 to 2026-05-14.

Where does StockDrifts get Japan Asia Investment 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.

Japan Asia Investment Co., Ltd. 8518

Company

日本アジア投資株式会社Japan Asia Investment Co., Ltd.

Investors

Buys

Total Value

¥9.8B ($63.0M)

Avg Return

-38.39%

Last Filing

2026-05-14

Japan Asia Investment Co., Ltd. (8518) has 29 disclosed large-shareholding filings and 16 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥9.8B ($63.0M) in reported transaction value. The earliest filing StockDrifts holds for Japan Asia Investment Co., Ltd. is dated 2021-03-26; the most recent is 2026-05-14. 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 -38.39%, 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
2026-08-12	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥134	+6.7%	-
2026-08-12	SELL	private	エボファンド Evo Fund	engagement	5.1M	¥134	-6.7%	¥63M ($409K)
2026-08-12	BUY	Market Buy	ファースト・イースタン・アジア・ホールディングス・リミテッド First Eastern Asia Holdings Limited	strategic	3.2M	¥134	+6.7%	¥75M ($485K)
2026-06-22	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥126	+1.6%	-
2026-06-22	SELL	private	エボファンド Evo Fund	activist	5.7M	¥126	-1.6%	¥58M ($371K)
2026-06-16	BUY	private	ダイナミックソリューショングループ株式会社 Dynamic Solution Group Inc.	strategic	2.2M	¥131	-3.0%	¥288M ($1.9M)
2026-06-16	BUY	private	ダイナミックソリューショングループ株式会社 Dynamic Solution Group Inc.	strategic	2.2M	¥131	-3.0%	¥288M ($1.9M)
2026-05-14	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥148	-6.8%	-
2026-05-14	SELL	private	エボファンド Evo Fund	activist	6.2M	¥148	+6.8%	¥9M ($60K)
2026-04-20	SELL	private	エボファンド Evo Fund	activist	6.3M	¥151	+2.0%	¥180M ($1.2M)
2026-04-20	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥151	-2.0%	-
2026-03-06	SELL	private	エボファンド Evo Fund	activist	7.8M	¥182	+17.0%	¥1.2B ($7.6M)
2026-03-06	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥182	+17.0%	-
2026-03-05	SELL	Market Buy	GOVERNORS株式会社	activist	150.0K	¥181	+16.6%	¥23M ($146K)
2026-03-05	BUY	Market Buy	ガバナンス・パートナーズ株式会社	activist	7.7M	¥181	-16.6%	¥1.2B ($7.5M)
2026-02-18	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥194	+22.2%	-
2026-02-18	SELL	private	エボファンド Evo Fund	activist	9.4M	¥194	+22.2%	¥1.4B ($9.2M)
2026-01-16	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥216	+30.1%	-
2026-01-16	SELL	Market Buy	エボファンド Evo Fund	activist	9.7M	¥216	+30.1%	¥1.5B ($9.4M)
2026-01-08	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥207	+27.1%	-
2026-01-08	SELL	Market Buy	エボファンド Evo Fund	activist	10.0M	¥207	+27.1%	¥1.5B ($9.8M)
2025-12-24	BUY	unknown	株式会社ジーエヌアイグループ GNI Group Ltd.	other	4.2M	¥201	-24.9%	¥1.5B ($9.8M)
2025-12-24	BUY	unknown	株式会社ジーエヌアイグループ GNI Group Ltd.	other	4.2M	¥201	-24.9%	¥30M ($191K)
2025-12-24	BUY	Market Buy	GOVERNORS株式会社	activist	150.0K	¥201	+24.9%	¥23M ($146K)
2025-12-24	SELL	Market Buy	ガバナンス・パートナーズ株式会社	activist	6.2M	¥201	+24.9%	¥929M ($6.0M)
2025-12-24	BUY	Market Buy	GOVERNORS株式会社	activist	150.0K	¥201	+24.9%	¥23M ($146K)
2025-12-24	SELL	Market Buy	ガバナンス・パートナーズ株式会社	activist	6.2M	¥201	+24.9%	¥929M ($6.0M)
2025-12-24	BUY	Market Buy	GOVERNORS株式会社	activist	150.0K	¥201	+24.9%	¥23M ($146K)
2025-12-24	SELL	Market Buy	ガバナンス・パートナーズ株式会社	activist	6.2M	¥201	+24.9%	¥929M ($6.0M)
2025-11-17	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥233	-35.2%	-
2025-11-17	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥233	-35.2%	-
2025-11-17	BUY	Market Buy	エボファンド Evo Fund	activist	10.4M	¥233	-35.2%	¥2.4B ($15.6M)
2025-11-17	BUY	Market Buy	エボファンド Evo Fund	activist	10.4M	¥233	-35.2%	¥2.4B ($15.6M)
2025-11-14	SELL	Market Buy	GOVERNORS株式会社 GOVERNORS Co., Ltd.	activist	150.0K	¥231	+34.6%	¥2M ($10K)
2025-11-14	BUY	Market Buy	ガバナンス・パートナーズ株式会社 Governance Partners Co., Ltd.	activist	10.2M	¥231	-34.6%	¥259M ($1.7M)
2024-07-11	BUY	Market Buy	GOVERNORS株式会社 GOVERNORS Co., Ltd.	activist	150.0K	¥234	-35.5%	¥35M ($226K)
2024-07-11	BUY	Market Buy	ガバナンス・パートナーズ株式会社 Governance Partners Co., Ltd.	activist	3.6M	¥234	-35.5%	¥478M ($3.1M)
2024-07-04	SELL	Market Buy	GOVERNORS株式会社 GOVERNORS Co., Ltd.	activist	150.0K	¥238	+36.5%	¥9M ($58K)
2024-07-04	SELL	Market Buy	GOVERNORS株式会社 GOVERNORS Co., Ltd.	activist	150.0K	¥238	+36.5%	¥9M ($58K)
2024-07-04	BUY	Market Buy	ガバナンス・パートナーズ株式会社 Governance Partners Co., Ltd.	activist	8.0M	¥238	-36.5%	¥834M ($5.4M)
2024-07-04	BUY	Market Buy	ガバナンス・パートナーズ株式会社 Governance Partners Co., Ltd.	activist	8.0M	¥238	-36.5%	¥834M ($5.4M)
2024-06-28	BUY	unknown	株式会社ジーエヌアイグループ GNI Group Ltd.	other	112.5K	¥241	-37.3%	¥27M ($175K)
2024-06-28	BUY	unknown	株式会社ジーエヌアイグループ GNI Group Ltd.	other	112.5K	¥241	-37.3%	¥27M ($175K)
2024-06-26	BUY	Market Buy	本多敏行 HONDA TOSHIYUKI	passive	1.1M	¥238	-36.5%	¥48M ($308K)
2024-06-26	BUY	Market Buy	本多敏行 HONDA TOSHIYUKI	passive	1.3M	¥238	-36.5%	¥55M ($354K)
2024-06-26	BUY	Market Buy	本多敏行 HONDA TOSHIYUKI	passive	1.3M	¥238	-36.5%	¥55M ($354K)
2023-12-28	BUY	Market Buy	GOVERNORS株式会社 GOVERNORS Co., Ltd.	activist	150.0K	¥244	-38.1%	¥37M ($236K)
2023-12-28	SELL	Market Buy	本多敏行 HONDA TOSHIYUKI	passive	800	¥244	+38.1%	¥282M ($1.8M)
2023-12-28	BUY	Market Buy	ガバナンス・パートナーズ株式会社 Governance Partners Co., Ltd.	activist	3.6M	¥244	-38.1%	¥499M ($3.2M)
2023-12-28	BUY	Market Buy	本多敏行 HONDA TOSHIYUKI	passive	800	¥244	-38.1%	¥282M ($1.8M)

Showing the 50 most recent of 77 filings.

Frequently asked questions

Who has been buying Japan Asia Investment Co., Ltd. stock?: 10 distinct investors have filed 29 disclosed large-shareholding filings in Japan Asia Investment Co., Ltd. (8518), most recently on 2026-05-14. 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 Japan Asia Investment Co., Ltd. have?: Japan Asia Investment Co., Ltd. has 29 buy-side and 16 sell-side disclosures on record, covering ¥9.8B ($63.0M) in total reported value, spanning 2021-03-26 to 2026-05-14.
Where does StockDrifts get Japan Asia Investment 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 Japan Asia Investment Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.