Who has been buying airCloset, Inc. stock?

8 distinct investors have filed 8 disclosed large-shareholding filings in airCloset, Inc. (9557), most recently on 2025-10-22. 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 airCloset, Inc. have?

airCloset, Inc. has 8 buy-side and 7 sell-side disclosures on record, covering ¥5.4B ($35.0M) in total reported value, spanning 2022-08-02 to 2025-10-22.

Where does StockDrifts get airCloset, Inc. 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.

airCloset, Inc. 9557

Company

株式会社エアークローゼットairCloset, Inc.

Investors

Buys

Total Value

¥5.4B ($35.0M)

Avg Return

-66.75%

Last Filing

2025-10-22

airCloset, Inc. (9557) has 8 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥5.4B ($35.0M) in reported transaction value. The earliest filing StockDrifts holds for airCloset, Inc. is dated 2022-08-02; the most recent is 2025-10-22. 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 -66.75%, 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
2026-06-04	SELL	unknown	住友商事株式会社 SUMITOMO CORPORATION	strategic	400.0K	¥156	-6.4%	¥65M ($420K)
2025-10-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	148.5K	¥356	-34.8%	¥53M ($341K)
2025-10-22	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	109.6K	¥356	+34.8%	¥57M ($365K)
2025-09-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	148.5K	¥396	-41.4%	¥59M ($379K)
2025-09-22	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	268.6K	¥396	-41.4%	¥106M ($686K)
2025-09-16	SELL	negotiated	モノフル・ピーティーイー・リミテッド(Monoful Pte. Ltd.) Monoful Pte. Ltd.	strategic	829.6K	¥399	+41.9%	¥120M ($772K)
2024-01-12	BUY	unknown	天沼聰 Satoshi Amanuma	activist	1.4M	¥395	-41.3%	¥549M ($3.5M)
2023-11-13	SELL	unknown	天沼聰 Satoshi Amanuma	activist	1.4M	¥368	+37.0%	¥302K ($2K)
2023-08-02	SELL	Market Buy	ジャフコグループ株式会社 JAFCO Group Co., Ltd.	passive	150.8K	¥446	+48.0%	¥190M ($1.2M)
2023-02-17	SELL	negotiated	モノフル・ピーティーイー・リミテッド(Monoful Pte. Ltd.) Monoful Pte. Ltd.	strategic	1.1M	¥506	+54.1%	¥2M ($13K)
2023-01-27	SELL	unknown	天沼聰 Satoshi Amanuma	activist	1.4M	¥537	+56.8%	¥3M ($20K)
2022-08-19	BUY	unknown	天沼聰 Satoshi Amanuma	activist	1.4M	¥704	-67.0%	¥978M ($6.3M)
2022-08-08	SELL	Market Buy	ジャフコグループ株式会社 JAFCO Group Co., Ltd.	passive	570.8K	¥903	+74.3%	¥147M ($950K)
2022-08-05	BUY	Market Buy	モノフル・ピーティーイー・リミテッド(Monoful Pte. Ltd.) Monoful Pte. Ltd.	strategic	1.1M	¥922	-74.8%	¥1.0B ($6.6M)
2022-08-05	BUY	Market Buy	エス・アイ・ジー・アジア・ファンド・フォー・エルエルエルピー SIG Asia Fund IV LLLP	passive	800.0K	¥922	-74.8%	¥738M ($4.8M)
2022-08-05	BUY	Market Buy	ジャフコグループ株式会社 JAFCO Group Co., Ltd.	passive	733.6K	¥922	-74.8%	¥676M ($4.4M)
2022-08-03	BUY	unknown	住友商事株式会社 SUMITOMO CORPORATION	strategic	800.0K	¥948	-75.5%	¥758M ($4.9M)
2022-08-03	BUY	unknown	天沼聰 Satoshi Amanuma	activist	1.4M	¥948	-75.5%	¥1.3B ($8.5M)
2022-08-02	BUY	unknown	寺田倉庫株式会社 Warehouse TERRADA	strategic	848.0K	¥951	-75.6%	¥806M ($5.2M)

Frequently asked questions

Who has been buying airCloset, Inc. stock?: 8 distinct investors have filed 8 disclosed large-shareholding filings in airCloset, Inc. (9557), most recently on 2025-10-22. 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 airCloset, Inc. have?: airCloset, Inc. has 8 buy-side and 7 sell-side disclosures on record, covering ¥5.4B ($35.0M) in total reported value, spanning 2022-08-02 to 2025-10-22.
Where does StockDrifts get airCloset, Inc. 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 airCloset, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.