StockDrifts LogoStockDrifts

I-PEX Inc. 6640

Company
I‐PEX株式会社I-PEX Inc.
Investors
15
Buys
18
Total Value
¥15.9B ($102.7M)
Avg Return
+17.28%
Last Filing
2025-02-04

I-PEX Inc. (6640) has 18 disclosed large-shareholding filings and 11 disclosed disposals on record, filed by 15 distinct investors. Together those filings cover ¥15.9B ($102.7M) in reported transaction value. The earliest filing StockDrifts holds for I-PEX Inc. is dated 2021-11-22; the most recent is 2025-02-04. 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 +17.28%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-02-04BUYunknown
UDON株式会社
UDON Co., Ltd.
activist9.6M¥2,936.46+0.1%¥28.1B ($181.5M)
2025-02-04BUYunknown
小西 大樹
Daiki Konishi
activist300.0K¥2,936.46+0.1%¥881M ($5.7M)
2025-02-04BUYunknown
小西 玲仁
Reihito Konishi
activist101.9K¥2,936.46+0.1%¥299M ($1.9M)
2025-02-04BUYunknown
小西 達也
Tatsuya Konishi
activist101.8K¥2,936.46+0.1%¥299M ($1.9M)
2025-02-04BUYunknown
DMC株式会社
DMC Inc.
activist6.8M¥2,936.46+0.1%¥20.0B ($129.2M)
2025-01-10SELLunknown
野村證券株式会社
Nomura Securities Co.,Ltd.
other15.6K¥2,938.46+0.0%¥23.1B ($149.1M)
2025-01-10SELLunknown
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
other19.7K¥2,938.46+0.0%¥4.1B ($26.7M)
2025-01-10SELLunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other46.1K¥2,938.46+0.0%¥534M ($3.4M)
2025-01-10BUYunknown
野村アセットマネジメント株式会社
Nomura Asset Management Co., Ltd.
other316.8K¥2,938.46-0.0%¥918M ($5.9M)
2025-01-10BUYunknown
ノムラ インターナショナル ピーエルシー
NOMURA INTERNATIONAL PLC
other47.9K¥2,938.46-0.0%¥118M ($762K)
2024-12-26BUYMarket Buy
UDON株式会社
UDON Co., Ltd.
activist9.6M¥2,938.46-0.0%¥28.2B ($181.6M)
2024-12-26BUYMarket Buy
小西 大樹
Daiki Konishi
activist300.0K¥2,938.46-0.0%¥882M ($5.7M)
2024-12-26BUYMarket Buy
小西 玲仁
Reihito Konishi
activist101.9K¥2,938.46-0.0%¥299M ($1.9M)
2024-12-26BUYMarket Buy
小西 達也
Tatsuya Konishi
activist101.8K¥2,938.46-0.0%¥299M ($1.9M)
2024-12-26BUYunknown
UDON株式会社
UDON Co., Ltd.
activist9.6M¥2,938.46-0.0%¥28.2B ($181.6M)
2024-12-26BUYunknown
小西 大樹
Daiki Konishi
activist300.0K¥2,938.46-0.0%¥882M ($5.7M)
2024-12-26BUYunknown
小西 玲仁
Reihito Konishi
activist101.9K¥2,938.46-0.0%¥299M ($1.9M)
2024-12-26BUYunknown
小西 達也
Tatsuya Konishi
activist101.8K¥2,938.46-0.0%¥299M ($1.9M)
2024-12-26BUYunknown
DMC株式会社
DMC Inc.
activist6.8M¥2,938.46-0.0%¥20.0B ($129.3M)
2024-12-26BUYMarket Buy
DMC株式会社
DMC Inc.
activist6.8M¥2,938.46-0.0%¥20.0B ($129.3M)
2024-12-19SELLunknown
モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー
Morgan Stanley & Co. International plc
other5¥2,938.46+0.0%¥3.1B ($19.7M)
2024-12-19BUYunknown
モルガン・スタンレーMUFG証券株式会社
Morgan Stanley MUFG Securities Co., Ltd.
other212.9K¥2,938.46-0.0%¥457M ($2.9M)
2024-12-06SELLMarket Buy
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other228.8K¥2,942.46+0.1%¥17M ($107K)
2024-12-06SELLMarket Buy
野村アセットマネジメント株式会社
Nomura Asset Management Co., Ltd.
other408.7K¥2,942.46+0.1%¥187M ($1.2M)
2024-12-06BUYMarket Buy
ノムラ インターナショナル ピーエルシー
NOMURA INTERNATIONAL PLC
other847.2K¥2,942.46-0.1%¥391M ($2.5M)
2024-12-06BUYMarket Buy
野村證券株式会社
Nomura Securities Co.,Ltd.
other94.1K¥2,942.46-0.1%¥277M ($1.8M)
2024-12-06BUYMarket Buy
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
other1.4M¥2,942.46-0.1%¥1.5B ($9.8M)
2024-12-05BUYMarket Buy
モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー
Morgan Stanley & Co. International plc
other1.0M¥2,943.46-0.2%¥182M ($1.2M)
2024-12-05SELLMarket Buy
モルガン・スタンレーMUFG証券株式会社
Morgan Stanley MUFG Securities Co., Ltd.
other57.7K¥2,943.46+0.2%¥10.5B ($67.6M)
2024-11-22BUYunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other233.8K¥2,943.46-0.2%¥688M ($4.4M)
2024-11-22BUYunknown
野村アセットマネジメント株式会社
Nomura Asset Management Co., Ltd.
other470.9K¥2,943.46-0.2%¥1.4B ($8.9M)
2024-11-22BUYunknown
ノムラ インターナショナル ピーエルシー
NOMURA INTERNATIONAL PLC
other714.4K¥2,943.46-0.2%¥2.1B ($13.6M)
2024-11-22BUYunknown
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
other911.0K¥2,943.46-0.2%¥2.7B ($17.3M)
2024-11-21BUYunknown
モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー
Morgan Stanley & Co. International plc
other978.1K¥2,943.46-0.2%¥2.9B ($18.6M)
2024-11-21BUYunknown
モルガン・スタンレーMUFG証券株式会社
Morgan Stanley MUFG Securities Co., Ltd.
other92.7K¥2,943.46-0.2%¥273M ($1.8M)
2024-11-08BUYMarket Buy
小西 大樹
Daiki Konishi
strategic300.0K¥1,998.63+47.0%¥600M ($3.9M)
2024-11-08BUYMarket Buy
小西 玲仁
Reihito Konishi
strategic101.9K¥1,998.63+47.0%¥204M ($1.3M)
2024-11-08BUYMarket Buy
小西 達也
Tatsuya Konishi
strategic101.8K¥1,998.63+47.0%¥203M ($1.3M)
2024-11-08BUYunknown
小西 大樹
Daiki Konishi
strategic300.0K¥1,998.63+47.0%¥600M ($3.9M)
2024-11-08BUYunknown
小西 玲仁
Reihito Konishi
strategic101.9K¥1,998.63+47.0%¥204M ($1.3M)
2024-11-08BUYunknown
小西 達也
Tatsuya Konishi
strategic101.8K¥1,998.63+47.0%¥203M ($1.3M)
2024-11-08BUYunknown
DMC株式会社
DMC Inc.
strategic6.8M¥1,998.63+47.0%¥13.6B ($88.0M)
2024-11-08BUYMarket Buy
DMC株式会社
DMC Inc.
strategic6.8M¥1,998.63+47.0%¥13.6B ($88.0M)
2024-08-26BUYunknown
DMC株式会社
DMC Inc.
strategic6.8M¥1,773.68+65.6%¥12.1B ($78.1M)
2024-07-04BUYunknown
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other495.8K¥2,191.6+34.1%¥189M ($1.2M)
2024-07-04SELLunknown
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.
other325.4K¥2,191.6-34.1%¥529M ($3.4M)
2024-02-06BUYunknown
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other409.4K¥1,735.68+69.3%¥711M ($4.6M)
2024-02-06BUYunknown
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.
other566.8K¥1,735.68+69.3%¥984M ($6.3M)
2023-09-29BUYunknown
DMC株式会社
DMC Inc.
strategic6.8M¥1,591.71+84.6%¥10.9B ($70.0M)
2022-07-11SELLunknown
DMC株式会社
DMC Inc.
strategic6.8M¥1,342.75-118.8%¥166M ($1.1M)

Showing the 50 most recent of 56 filings.

Frequently asked questions

Who has been buying I-PEX Inc. stock?
15 distinct investors have filed 18 disclosed large-shareholding filings in I-PEX Inc. (6640), most recently on 2025-02-04. 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 I-PEX Inc. have?
I-PEX Inc. has 18 buy-side and 11 sell-side disclosures on record, covering ¥15.9B ($102.7M) in total reported value, spanning 2021-11-22 to 2025-02-04.
Where does StockDrifts get I-PEX 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 I-PEX Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.