Who has been buying Otomo Logistics Service Co., Ltd. stock?

4 distinct investors have filed 15 disclosed large-shareholding filings in Otomo Logistics Service Co., Ltd. (9149), most recently on 2025-04-16. 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 Otomo Logistics Service Co., Ltd. have?

Otomo Logistics Service Co., Ltd. has 15 buy-side and 5 sell-side disclosures on record, covering ¥5.3B ($34.5M) in total reported value, spanning 2023-02-01 to 2025-04-16.

Where does StockDrifts get Otomo Logistics Service Co., 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.

Otomo Logistics Service Co., Ltd. 9149

Company

大友ロジスティクスサービス株式会社Otomo Logistics Service Co., Ltd.

Investors

Buys

Total Value

¥5.3B ($34.5M)

Avg Return

+2.26%

Last Filing

2025-04-16

Otomo Logistics Service Co., Ltd. (9149) has 15 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥5.3B ($34.5M) in reported transaction value. The earliest filing StockDrifts holds for Otomo Logistics Service Co., Ltd. is dated 2023-02-01; the most recent is 2025-04-16. 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 +2.26%, 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
2025-04-16	BUY	unknown	ビッグフレンズ株式会社 Big Friends Co., Ltd.	activist	10.7M	¥555	+0.9%	¥3M ($19K)
2025-04-16	BUY	unknown	松村周 Shu Matsumura	activist	2.4M	¥555	+0.9%	¥1.3B ($8.6M)
2025-04-16	SELL	unknown	松村豊人 Matsumura Toyohito	activist	6.9M	¥555	-0.9%	¥297M ($1.9M)
2023-10-02	BUY	unknown	松村周 Shu Matsumura	activist	2.4M	¥547.098	+2.4%	¥1.3B ($8.5M)
2023-10-02	SELL	unknown	松村優 Yu Matsumura	activist	0	¥547.098	-2.4%	¥26M ($169K)
2023-10-02	BUY	unknown	ビッグフレンズ株式会社 Big Friends Co., Ltd.	activist	10.2M	¥547.098	+2.4%	¥43M ($275K)
2023-10-02	BUY	unknown	松村周 Shu Matsumura	activist	2.4M	¥547.098	+2.4%	¥1.3B ($8.5M)
2023-10-02	SELL	unknown	松村優 Yu Matsumura	activist	0	¥547.098	-2.4%	¥26M ($169K)
2023-10-02	BUY	unknown	ビッグフレンズ株式会社 Big Friends Co., Ltd.	activist	10.2M	¥547.098	+2.4%	¥43M ($275K)
2023-10-02	SELL	unknown	松村豊人 Matsumura Toyohito	activist	7.4M	¥547.098	-2.4%	¥16M ($106K)
2023-10-02	SELL	unknown	松村豊人 Matsumura Toyohito	activist	7.4M	¥547.098	-2.4%	¥16M ($106K)
2023-02-01	BUY	unknown	ビッグフレンズ株式会社 Big Friends Co., Ltd.	activist	2.4M	¥547.098	+2.4%	¥1.3B ($8.5M)
2023-02-01	BUY	unknown	松村優 Yu Matsumura	activist	4.8M	¥547.098	+2.4%	¥2.6B ($16.9M)
2023-02-01	BUY	unknown	松村優 Yu Matsumura	activist	4.8M	¥547.098	+2.4%	¥2.6B ($16.9M)
2023-02-01	BUY	unknown	ビッグフレンズ株式会社 Big Friends Co., Ltd.	activist	2.4M	¥547.098	+2.4%	¥1.3B ($8.5M)
2023-02-01	BUY	unknown	松村豊人 Matsumura Toyohito	activist	10.4M	¥547.098	+2.4%	¥5.7B ($36.7M)
2023-02-01	BUY	unknown	松村周 Shu Matsumura	activist	2.4M	¥547.098	+2.4%	¥1.3B ($8.5M)
2023-02-01	BUY	unknown	松村豊人 Matsumura Toyohito	activist	10.4M	¥547.098	+2.4%	¥5.7B ($36.7M)
2023-02-01	BUY	unknown	松村周 Shu Matsumura	activist	2.4M	¥547.098	+2.4%	¥1.3B ($8.5M)
2023-02-01	BUY	unknown	松村優 Yu Matsumura	activist	4.8M	¥547.098	+2.4%	¥2.6B ($16.9M)
2023-02-01	BUY	unknown	松村周 Shu Matsumura	activist	2.4M	¥547.098	+2.4%	¥1.3B ($8.5M)
2023-02-01	BUY	unknown	ビッグフレンズ株式会社 Big Friends Co., Ltd.	activist	2.4M	¥547.098	+2.4%	¥1.3B ($8.5M)
2023-02-01	BUY	unknown	松村豊人 Matsumura Toyohito	activist	10.4M	¥547.098	+2.4%	¥5.7B ($36.7M)

Frequently asked questions

Who has been buying Otomo Logistics Service Co., Ltd. stock?: 4 distinct investors have filed 15 disclosed large-shareholding filings in Otomo Logistics Service Co., Ltd. (9149), most recently on 2025-04-16. 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 Otomo Logistics Service Co., Ltd. have?: Otomo Logistics Service Co., Ltd. has 15 buy-side and 5 sell-side disclosures on record, covering ¥5.3B ($34.5M) in total reported value, spanning 2023-02-01 to 2025-04-16.
Where does StockDrifts get Otomo Logistics Service Co., 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 Otomo Logistics Service Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.