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ONEX Corporation 5987

Company
株式会社オーネックスONEX Corporation
Investors
8
Buys
25
Total Value
¥3.0B ($19.1M)
Avg Return
-3.59%
Last Filing
2025-06-09

ONEX Corporation (5987) has 25 disclosed large-shareholding filings and 18 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥3.0B ($19.1M) in reported transaction value. The earliest filing StockDrifts holds for ONEX Corporation is dated 2021-07-07; the most recent is 2025-06-09. Across these filings the average return since disclosure is -3.59%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-06-09BUYMarket Buy
山川 伯勇
Hakuyu Yamakawa
passive126.2K¥2,174-25.7%¥274M ($1.8M)
2025-06-09BUYMarket Buy
山川 雪英
Yukihide Yamakawa
unknown12.5K¥2,174-25.7%¥27M ($175K)
2025-05-21SELLunknown
有限会社大屋興産
Oya Kosan Co., Ltd.
other51¥2,210+26.9%¥26M ($170K)
2025-05-21SELLunknown
大屋 翼
OYA TSUBASA
other150.6K¥2,210+26.9%¥30M ($196K)
2025-05-09BUYunknown
大屋 翼
OYA TSUBASA
other164.3K¥2,261-28.6%¥372M ($2.4M)
2025-05-09BUYunknown
大屋 翼
OYA TSUBASA
other164.3K¥2,261--
2025-05-09SELLunknown
有限会社大屋興産
Oya Kosan Co., Ltd.
other64.7K¥2,261+28.6%¥52M ($334K)
2025-05-09BUYunknown
大屋 翼
OYA TSUBASA
other164.3K¥2,261-28.6%¥372M ($2.4M)
2025-05-09BUYunknown
大屋 翼
OYA TSUBASA
other164.3K¥2,261-28.6%¥372M ($2.4M)
2025-05-09BUYunknown
大屋 翼
OYA TSUBASA
other164.3K¥2,261--
2025-05-09BUYunknown
大屋 翼
OYA TSUBASA
other164.3K¥2,261--
2025-05-09BUYunknown
有限会社大屋興産
Oya Kosan Co., Ltd.
other45.2K¥2,261-28.6%¥44M ($283K)
2025-05-09BUYunknown
大屋 翼
OYA TSUBASA
other164.3K¥2,261--
2025-05-09BUYunknown
大屋 翼
OYA TSUBASA
other164.3K¥2,261-28.6%¥372M ($2.4M)
2025-05-09BUYunknown
有限会社大屋興産
Oya Kosan Co., Ltd.
other64.7K¥2,261-28.6%¥52M ($334K)
2025-05-09SELLunknown
有限会社大屋興産
Oya Kosan Co., Ltd.
other12.0K¥2,261+28.6%¥75M ($484K)
2025-05-09SELLunknown
有限会社大屋興産
Oya Kosan Co., Ltd.
other45.2K¥2,261+28.6%¥44M ($283K)
2025-05-09BUYunknown
有限会社大屋興産
Oya Kosan Co., Ltd.
other12.0K¥2,261-28.6%¥75M ($484K)
2025-05-09SELLunknown
有限会社大屋興産
Oya Kosan Co., Ltd.
other87.6K¥2,261+28.6%¥41M ($264K)
2025-05-09BUYunknown
有限会社大屋興産
Oya Kosan Co., Ltd.
other87.6K¥2,261-28.6%¥41M ($264K)
2024-10-18SELLMarket Buy
山上 豊
yamagami yutaka
passive52.6K¥1,900+15.0%¥163M ($1.0M)
2024-10-18SELLMarket Buy
合同会社Happy horse
Happy horse LLC
passive17.8K¥1,900+15.0%¥35M ($226K)
2024-09-17BUYMarket Buy
山上 豊
yamagami yutaka
passive138.3K¥1,901--
2024-09-17BUYMarket Buy
合同会社Happy horse
Happy horse LLC
passive36.2K¥1,901--
2024-08-08BUYMarket Buy
山上 豊
yamagami yutaka
passive250.6K¥1,859--
2024-08-08BUYMarket Buy
山上 豊
yamagami yutaka
passive250.6K¥1,859-13.1%¥6M ($40K)
2024-08-08SELLMarket Buy
合同会社Happy horse
Happy horse LLC
passive36.2K¥1,859+13.1%¥59M ($378K)
2024-08-08BUYMarket Buy
山上 豊
yamagami yutaka
passive170.6K¥1,859-13.1%¥312M ($2.0M)
2024-08-08BUYMarket Buy
山上 豊
yamagami yutaka
passive170.6K¥1,859-13.1%¥312M ($2.0M)
2024-08-08BUYMarket Buy
山上 豊
yamagami yutaka
passive250.6K¥1,859--
2024-08-08SELLMarket Buy
山上 豊
yamagami yutaka
passive138.3K¥1,859+13.1%¥60M ($386K)
2024-08-08BUYMarket Buy
山上 豊
yamagami yutaka
passive250.6K¥1,859-13.1%¥6M ($40K)
2024-08-08SELLMarket Buy
合同会社Happy horse
Happy horse LLC
passive87.8K¥1,859+13.1%¥51M ($327K)
2024-08-08SELLMarket Buy
合同会社Happy horse
Happy horse LLC
passive87.8K¥1,859+13.1%¥51M ($327K)
2024-08-08SELLMarket Buy
合同会社Happy horse
Happy horse LLC
passive67.8K¥1,859+13.1%¥37M ($241K)
2024-08-08SELLMarket Buy
合同会社Happy horse
Happy horse LLC
passive36.2K¥1,859+13.1%¥59M ($378K)
2024-08-08BUYMarket Buy
合同会社Happy horse
Happy horse LLC
passive36.2K¥1,859--
2024-08-08SELLMarket Buy
合同会社Happy horse
Happy horse LLC
passive67.8K¥1,859+13.1%¥37M ($241K)
2024-06-04BUYunknown
大屋 翼
OYA TSUBASA
other164.3K¥1,876-13.9%¥308M ($2.0M)
2024-06-04BUYunknown
大屋 翼
OYA TSUBASA
other164.3K¥1,876-13.9%¥308M ($2.0M)
2024-06-04BUYunknown
有限会社大屋興産
Oya Kosan Co., Ltd.
other105.7K¥1,876-13.9%¥198M ($1.3M)
2024-05-17BUYMarket Buy
山上 豊
yamagami yutaka
passive247.4K¥1,900-15.0%¥112M ($720K)
2024-05-17BUYMarket Buy
合同会社Happy horse
Happy horse LLC
passive115.1K¥1,900-¥219M ($1.4M)
2024-05-13SELLMarket Buy
山上 豊
yamagami yutaka
passive188.5K¥1,957+17.5%¥78M ($505K)
2024-04-30SELLMarket Buy
山上 豊
yamagami yutaka
passive188.5K¥1,880+14.1%¥134M ($866K)
2024-04-30BUYMarket Buy
山上 豊
yamagami yutaka
passive228.5K¥1,880-14.1%¥75M ($485K)
2024-04-16BUYMarket Buy
山上 豊
yamagami yutaka
passive260.0K¥1,898-¥135M ($874K)
2024-04-16BUYMarket Buy
山上 豊
yamagami yutaka
passive260.0K¥1,898-14.9%¥135M ($874K)
2024-03-19BUYMarket Buy
山上 豊
yamagami yutaka
passive188.5K¥1,901-¥35M ($228K)
2024-03-19BUYMarket Buy
山上 豊
yamagami yutaka
passive188.5K¥1,901-¥35M ($228K)

Showing the 50 most recent of 59 filings.

Frequently asked questions

Who has been buying ONEX Corporation stock?
8 distinct investors have filed 25 disclosed large-shareholding filings in ONEX Corporation (5987), most recently on 2025-06-09. 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 ONEX Corporation have?
ONEX Corporation has 25 buy-side and 18 sell-side disclosures on record, covering ¥3.0B ($19.1M) in total reported value, spanning 2021-07-07 to 2025-06-09.
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.