Who has been buying AVILEN Inc. stock?

9 distinct investors have filed 19 disclosed large-shareholding filings in AVILEN Inc. (5591), most recently on 2026-05-12. 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 AVILEN Inc. have?

AVILEN Inc. has 19 buy-side and 17 sell-side disclosures on record, covering ¥10.7B ($68.8M) in total reported value, spanning 2023-10-02 to 2026-05-12.

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.

AVILEN Inc. 5591

Company

株式会社AVILENAVILEN Inc.

Investors

Buys

Total Value

¥10.7B ($68.8M)

Avg Return

-43.45%

Last Filing

2026-05-12

AVILEN Inc. (5591) has 19 disclosed large-shareholding filings and 17 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥10.7B ($68.8M) in reported transaction value. The earliest filing StockDrifts holds for AVILEN Inc. is dated 2023-10-02; the most recent is 2026-05-12. Across these filings the average return since disclosure is -43.45%, 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
2026-05-12	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	262.5K	¥1,086	+19.8%	¥121M ($779K)
2025-06-06	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	373.6K	¥1,795	+51.5%	¥134M ($863K)
2025-05-22	SELL	unknown	崔一鳴 CUI YIMING	strategic	343.0K	¥1,720	+49.4%	¥112M ($725K)
2025-05-22	BUY	unknown	崔一鳴 CUI YIMING	strategic	343.0K	¥1,720	-	¥112M ($725K)
2024-11-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	448.1K	¥1,069	+18.5%	¥121M ($783K)
2024-10-31	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	557.0K	¥878	-0.8%	¥484M ($3.1M)
2024-10-31	SELL	unknown	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	unknown	0	¥878	+0.8%	¥7M ($45K)
2024-10-31	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	4.6K	¥878	+0.8%	¥904M ($5.8M)
2024-09-05	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	216.3K	¥1,078	-19.2%	¥230M ($1.5M)
2024-09-05	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	595.4K	¥1,078	-19.2%	¥77M ($497K)
2024-09-05	BUY	unknown	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	other	7.6K	¥1,078	-	-
2024-09-05	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	15.0K	¥1,078	+19.2%	¥27M ($177K)
2024-09-05	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	30.0K	¥1,078	-19.2%	¥11M ($72K)
2024-08-06	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	290.0K	¥1,104	-21.1%	¥317M ($2.0M)
2024-08-06	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	20.0K	¥1,104	+21.1%	¥48M ($310K)
2024-07-01	BUY	negotiated	株式会社大塚商会 OTSUKA CORPORATION	strategic	1.1M	¥1,729	-49.6%	¥2.0B ($12.7M)
2024-05-08	BUY	Market Buy	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	322.7K	¥2,185	-60.1%	¥201M ($1.3M)
2024-05-08	SELL	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	63.3K	¥2,185	+60.1%	¥22M ($145K)
2024-04-04	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	230.6K	¥2,338	-62.8%	¥539M ($3.5M)
2024-04-04	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	74.0K	¥2,338	-62.8%	¥173M ($1.1M)
2024-03-22	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	230.6K	¥2,826	+69.2%	¥77M ($496K)
2024-03-22	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	64.0K	¥2,826	+69.2%	¥183M ($1.2M)
2024-03-07	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	40.5K	¥3,610	+75.9%	¥44M ($282K)
2024-03-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	524.2K	¥3,610	-75.9%	¥354M ($2.3M)
2024-03-07	BUY	unknown	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	other	7.6K	¥3,610	-	¥27M ($177K)
2024-03-06	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	258.0K	¥3,800	-77.1%	¥980M ($6.3M)
2024-03-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	129.0K	¥3,800	-77.1%	¥490M ($3.2M)
2024-02-27	SELL	Market Buy	ジャフコグループ株式会社 JAFCO Group Co., Ltd.	passive	299.4K	¥2,512	+65.3%	¥210M ($1.4M)
2024-02-16	SELL	Market Buy	ジャフコグループ株式会社 JAFCO Group Co., Ltd.	passive	383.2K	¥2,176	+60.0%	¥320M ($2.1M)
2024-02-07	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	52.5K	¥2,290	-62.0%	¥57M ($366K)
2024-02-07	BUY	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	426.2K	¥2,290	-62.0%	¥335M ($2.2M)
2024-01-30	SELL	Market Buy	ジャフコグループ株式会社 JAFCO Group Co., Ltd.	passive	529.9K	¥2,226	+60.9%	¥248M ($1.6M)
2024-01-30	SELL	Market Buy	ジャフコグループ株式会社 JAFCO Group Co., Ltd.	passive	641.6K	¥2,226	+60.9%	¥341M ($2.2M)
2023-12-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	27.9K	¥2,561	-66.0%	¥71M ($461K)
2023-12-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	279.3K	¥2,561	-66.0%	¥715M ($4.6M)
2023-11-01	SELL	Market Buy	ジャフコグループ株式会社 JAFCO Group Co., Ltd.	passive	794.5K	¥1,995	+56.3%	¥352M ($2.3M)
2023-10-04	BUY	Market Buy	崔一鳴 CUI YIMING	strategic	405.0K	¥2,012	-56.7%	¥815M ($5.3M)
2023-10-03	BUY	Market Buy	ジャフコグループ株式会社 JAFCO Group Co., Ltd.	passive	971.3K	¥2,003	-56.5%	¥1.9B ($12.6M)
2023-10-02	BUY	negotiated	日本郵政キャピタル株式会社 Japan Post Capital	strategic	1.3M	¥2,150	-59.5%	¥2.8B ($18.3M)

Frequently asked questions

Who has been buying AVILEN Inc. stock?: 9 distinct investors have filed 19 disclosed large-shareholding filings in AVILEN Inc. (5591), most recently on 2026-05-12. 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 AVILEN Inc. have?: AVILEN Inc. has 19 buy-side and 17 sell-side disclosures on record, covering ¥10.7B ($68.8M) in total reported value, spanning 2023-10-02 to 2026-05-12.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.