StockDrifts LogoStockDrifts

Aeria Inc. 3758

Company
株式会社アエリアAeria Inc.
Investors
4
Buys
7
Total Value
¥286M ($1.8M)
Avg Return
-8.21%
Last Filing
2025-05-15

Aeria Inc. (3758) has 7 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥286M ($1.8M) in reported transaction value. The earliest filing StockDrifts holds for Aeria Inc. is dated 2023-07-20; the most recent is 2025-05-15. 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 -8.21%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-05-15BUYMarket Buy
小林 祐介
Yusuke Kobayashi
activist2.4M¥250+0.0%¥74M ($476K)
2025-05-15BUYMarket Buy
TUSCAN CAPITAL LLC
activist508.6K¥250+0.0%¥13M ($82K)
2025-05-15SELLMarket Buy
小林喜代美
Kiyomi Kobayashi
activist30.0K¥250+0.0%¥683M ($4.4M)
2025-05-15BUYMarket Buy
長嶋 貴之
Takayuki Nagashima
activist3.2M¥250+0.0%¥117M ($757K)
2025-04-16BUYnegotiated
TUSCAN CAPITAL LLC
activist508.6K¥227+10.1%¥115M ($745K)
2025-04-16BUYnegotiated
小林喜代美
Kiyomi Kobayashi
activist30.0K¥227+10.1%¥7M ($44K)
2025-04-16BUYMarket Buy
TUSCAN CAPITAL LLC
activist508.6K¥227+10.1%¥115M ($745K)
2025-04-16BUYMarket Buy
小林喜代美
Kiyomi Kobayashi
activist30.0K¥227+10.1%¥7M ($44K)
2025-04-16BUYMarket Buy
小林 祐介
Yusuke Kobayashi
activist2.3M¥227+10.1%¥7M ($45K)
2025-04-16BUYnegotiated
小林 祐介
Yusuke Kobayashi
activist2.3M¥227+10.1%¥7M ($45K)
2023-07-20BUYnegotiated
TUSCAN CAPITAL LLC
activist508.6K¥409-38.9%¥208M ($1.3M)
2023-07-20BUYnegotiated
小林喜代美
Kiyomi Kobayashi
activist30.0K¥409-38.9%¥12M ($79K)
2023-07-20BUYMarket Buy
TUSCAN CAPITAL LLC
activist508.6K¥409-38.9%¥208M ($1.3M)
2023-07-20BUYMarket Buy
小林喜代美
Kiyomi Kobayashi
activist30.0K¥409-38.9%¥12M ($79K)
2023-07-20BUYMarket Buy
小林 祐介
Yusuke Kobayashi
activist2.3M¥409-38.9%¥41M ($262K)
2023-07-20BUYnegotiated
小林 祐介
Yusuke Kobayashi
activist2.3M¥409-38.9%¥41M ($262K)

Frequently asked questions

Who has been buying Aeria Inc. stock?
4 distinct investors have filed 7 disclosed large-shareholding filings in Aeria Inc. (3758), most recently on 2025-05-15. 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 Aeria Inc. have?
Aeria Inc. has 7 buy-side and 1 sell-side disclosures on record, covering ¥286M ($1.8M) in total reported value, spanning 2023-07-20 to 2025-05-15.
Where does StockDrifts get Aeria 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 Aeria Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.