Who has been buying Okamoto Machine Tool Works, Ltd. stock?

11 distinct investors have filed 16 disclosed large-shareholding filings in Okamoto Machine Tool Works, Ltd. (6125), most recently on 2024-06-17. 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 Okamoto Machine Tool Works, Ltd. have?

Okamoto Machine Tool Works, Ltd. has 16 buy-side and 8 sell-side disclosures on record, covering ¥24.6B ($158.5M) in total reported value, spanning 2021-04-07 to 2024-06-17.

Where does StockDrifts get Okamoto Machine Tool Works, Ltd. 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.

Okamoto Machine Tool Works, Ltd. 6125

Company

株式会社岡本工作機械製作所Okamoto Machine Tool Works, Ltd.

Investors

Buys

Total Value

¥24.6B ($158.5M)

Avg Return

-10.57%

Last Filing

2024-06-17

Okamoto Machine Tool Works, Ltd. (6125) has 16 disclosed large-shareholding filings and 8 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥24.6B ($158.5M) in reported transaction value. The earliest filing StockDrifts holds for Okamoto Machine Tool Works, Ltd. is dated 2021-04-07; the most recent is 2024-06-17. 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 -10.57%, 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
2024-06-17	SELL	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	7.5K	¥4,505	+5.5%	¥299M ($1.9M)
2024-06-17	BUY	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	11.5K	¥4,505	-5.5%	¥52M ($334K)
2024-06-17	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	strategic	116.3K	¥4,505	+5.5%	¥223M ($1.4M)
2024-06-17	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	107.5K	¥4,505	+5.5%	¥205M ($1.3M)
2024-06-13	BUY	unknown	三井物産株式会社 Mitsui & Co., LTD.	strategic	2.0M	¥4,535	-6.2%	¥9.0B ($58.1M)
2024-02-21	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	176.3K	¥5,490	+22.5%	¥334M ($2.2M)
2023-08-21	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	237.2K	¥5,190	-18.0%	¥1.2B ($7.9M)
2023-07-06	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	208.0K	¥6,190	+31.3%	¥298M ($1.9M)
2023-05-19	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	256.3K	¥5,430	+21.6%	¥336M ($2.2M)
2023-04-17	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	51.8K	¥5,020	-15.2%	¥260M ($1.7M)
2023-04-17	BUY	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	900	¥5,020	-15.2%	¥414M ($2.7M)
2023-04-17	SELL	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	unknown	0	¥5,020	+15.2%	¥31M ($199K)
2023-04-17	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	strategic	116.3K	¥5,020	-15.2%	¥584M ($3.8M)
2023-04-17	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	107.5K	¥5,020	-15.2%	¥539M ($3.5M)
2022-11-22	SELL	Market Buy	ベイビュー・アセット・マネジメント株式会社 Bayview Asset Management Co., Ltd.	passive	170.0K	¥4,935	+13.8%	¥396M ($2.6M)
2022-01-07	BUY	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	24.0K	¥4,610	-7.7%	¥111M ($714K)
2022-01-07	BUY	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	208.5K	¥4,610	-7.7%	¥907M ($5.9M)
2021-12-21	BUY	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	299.3K	¥4,575	-7.0%	¥1.3B ($8.2M)
2021-12-21	BUY	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	24.0K	¥4,575	-7.0%	¥110M ($708K)
2021-12-06	BUY	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	24.0K	¥4,940	-13.9%	¥119M ($765K)
2021-12-06	BUY	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	364.5K	¥4,940	-13.9%	¥1.7B ($10.7M)
2021-11-18	BUY	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	24.0K	¥5,700	-25.4%	¥137M ($883K)
2021-11-18	BUY	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	448.6K	¥5,700	-25.4%	¥2.3B ($14.9M)
2021-11-05	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	317.8K	¥4,840	-12.1%	¥267M ($1.7M)
2021-10-26	BUY	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	24.0K	¥4,810	-11.5%	¥115M ($745K)
2021-10-26	BUY	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	556.5K	¥4,810	-11.5%	¥2.4B ($15.3M)
2021-10-22	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	800	¥4,710	-9.7%	¥420M ($2.7M)
2021-10-22	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	263.0K	¥4,710	-9.7%	¥1.2B ($7.9M)
2021-10-20	BUY	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	24.0K	¥4,855	-12.4%	¥117M ($752K)
2021-10-20	BUY	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	632.5K	¥4,855	-12.4%	¥2.7B ($17.3M)
2021-10-01	BUY	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	24.0K	¥5,040	-15.6%	¥121M ($780K)
2021-10-01	BUY	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	700.3K	¥5,040	-15.6%	¥3.5B ($22.8M)
2021-08-20	BUY	Market Buy	ベイビュー・アセット・マネジメント株式会社 Bayview Asset Management Co., Ltd.	passive	250.2K	¥4,950	-14.0%	¥1.2B ($8.0M)
2021-04-07	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	5.1K	¥3,410	+24.8%	¥17M ($112K)
2021-04-07	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	341.1K	¥3,410	+24.8%	¥150M ($965K)

Frequently asked questions

Who has been buying Okamoto Machine Tool Works, Ltd. stock?: 11 distinct investors have filed 16 disclosed large-shareholding filings in Okamoto Machine Tool Works, Ltd. (6125), most recently on 2024-06-17. 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 Okamoto Machine Tool Works, Ltd. have?: Okamoto Machine Tool Works, Ltd. has 16 buy-side and 8 sell-side disclosures on record, covering ¥24.6B ($158.5M) in total reported value, spanning 2021-04-07 to 2024-06-17.
Where does StockDrifts get Okamoto Machine Tool Works, Ltd. 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 Okamoto Machine Tool Works, Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.