Who has been buying Pro-Ship Incorporated stock?

7 distinct investors have filed 20 disclosed large-shareholding filings in Pro-Ship Incorporated (3763), most recently on 2026-02-16. 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 Pro-Ship Incorporated have?

Pro-Ship Incorporated has 20 buy-side and 9 sell-side disclosures on record, covering ¥4.4B ($28.2M) in total reported value, spanning 2021-06-16 to 2026-02-16.

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.

Pro-Ship Incorporated 3763

Company

株式会社プロシップPro-Ship Incorporated

Investors

Buys

Total Value

¥4.4B ($28.2M)

Avg Return

+45.80%

Last Filing

2026-02-16

Pro-Ship Incorporated (3763) has 20 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥4.4B ($28.2M) in reported transaction value. The earliest filing StockDrifts holds for Pro-Ship Incorporated is dated 2021-06-16; the most recent is 2026-02-16. Across these filings the average return since disclosure is +45.80%, 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
2026-09-08	BUY	Market Buy	株式会社UH Partners 3	passive	437.0K	¥1,944	-	-
2026-09-08	BUY	Market Buy	株式会社UH Partners 2	passive	1.9M	¥1,944	-	-
2026-09-08	BUY	Market Buy	光通信株式会社	passive	2.3M	¥1,944	+7.5%	¥236M ($1.5M)
2026-09-08	BUY	Market Buy	さくら損害保険株式会社	passive	412.7K	¥1,944	-	-
2026-09-08	BUY	Market Buy	株式会社UH7	passive	99.2K	¥1,944	-	-
2026-09-08	BUY	Market Buy	株式会社UH5	passive	62.9K	¥1,944	-	-
2026-08-12	BUY	Market Buy	光通信株式会社	passive	2.2M	¥1,900	+10.0%	¥134M ($861K)
2026-08-12	BUY	Market Buy	株式会社UH Partners 2	passive	1.9M	¥1,900	-	-
2026-08-12	BUY	Market Buy	株式会社UH Partners 3	passive	437.0K	¥1,900	+10.0%	¥479M ($3.1M)
2026-08-12	BUY	Market Buy	株式会社UH5	passive	62.9K	¥1,900	-	-
2026-08-12	BUY	Market Buy	株式会社UH7	passive	99.2K	¥1,900	-	-
2026-08-12	BUY	Market Buy	さくら損害保険株式会社	passive	412.7K	¥1,900	-	-
2026-06-22	BUY	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー (Fidelity Management & Research Company LLC) Fidelity Management & Research Company LLC	corporate	375.7K	¥1,729	-	-
2026-06-22	BUY	Market Buy	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	2.0M	¥1,729	+20.9%	¥309M ($2.0M)
2026-06-22	SELL	unknown	エフアイエーエムエルエルシー FIAM LLC	other	963.8K	¥1,729	-20.9%	¥348M ($2.2M)
2026-06-22	BUY	Market Buy	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	203.7K	¥1,729	+20.9%	¥44M ($285K)
2026-06-22	SELL	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	904.2K	¥1,729	-20.9%	¥256M ($1.7M)
2026-06-22	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	570.2K	¥1,729	+20.9%	¥289M ($1.9M)
2026-06-22	BUY	unknown	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	86.6K	¥1,729	-	-
2026-06-22	SELL	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	1.1M	¥1,729	-20.9%	¥281M ($1.8M)
2026-06-22	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	403.5K	¥1,729	+20.9%	¥254M ($1.6M)
2026-06-22	BUY	unknown	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	86.6K	¥1,729	-	-
2026-06-22	SELL	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	1.2M	¥1,729	-20.9%	¥297M ($1.9M)
2026-06-22	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	256.1K	¥1,729	+20.9%	¥310M ($2.0M)
2026-06-22	BUY	unknown	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	86.6K	¥1,729	-	-
2026-06-22	SELL	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	1.4M	¥1,729	-20.9%	¥302M ($2.0M)
2026-06-22	BUY	unknown	エフアイエーエムエルエルシー FIAM LLC	other	76.2K	¥1,729	-	¥132M ($850K)
2026-06-22	BUY	unknown	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	86.6K	¥1,729	-	¥150M ($966K)
2026-06-22	BUY	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー (Fidelity Management & Research Company LLC) Fidelity Management & Research Company LLC	corporate	375.7K	¥1,729	-	-
2026-06-22	BUY	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	375.7K	¥1,729	-	-
2026-05-21	BUY	Market Buy	株式会社UH5	passive	62.9K	¥1,601	-	-
2026-05-21	BUY	Market Buy	光通信株式会社	passive	2.1M	¥1,601	+30.5%	¥220M ($1.4M)
2026-05-21	BUY	Market Buy	株式会社UH Partners 2	passive	1.9M	¥1,601	-	-
2026-05-21	BUY	Market Buy	株式会社UH Partners 3	passive	183.9K	¥1,601	-	¥294M ($1.9M)
2026-05-21	BUY	Market Buy	株式会社UH7	passive	99.2K	¥1,601	-	-
2026-05-21	BUY	Market Buy	さくら損害保険株式会社	passive	412.7K	¥1,601	-	-
2026-02-16	BUY	Market Buy	株式会社UH Partners 2	passive	1.9M	¥1,355	+54.2%	¥307M ($2.0M)
2026-02-16	BUY	Market Buy	株式会社UH5	passive	62.9K	¥1,355	+54.2%	¥26M ($168K)
2026-02-16	BUY	Market Buy	さくら損害保険株式会社	passive	412.7K	¥1,355	+54.2%	¥30M ($195K)
2026-02-16	SELL	Market Buy	株式会社ザッパラス	passive	99.2K	¥1,355	-54.2%	¥4M ($28K)
2026-02-16	BUY	Market Buy	光通信株式会社	passive	1.9M	¥1,355	+54.2%	¥82M ($531K)
2025-09-26	BUY	Market Buy	株式会社UH5 UH5 Co., Ltd.	passive	22.3K	¥1,547.5	+35.1%	¥34M ($220K)
2025-09-26	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	928.8K	¥1,547.5	-35.1%	¥5M ($31K)
2025-09-26	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	812.6K	¥1,547.5	+35.1%	¥88M ($566K)
2025-09-26	SELL	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	192.2K	¥1,547.5	-35.1%	¥2M ($16K)
2025-09-26	BUY	Market Buy	株式会社ザッパラス Zappalas Co., Ltd.	passive	49.6K	¥1,547.5	-	-
2025-08-28	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	753.3K	¥1,520	+37.5%	¥162M ($1.0M)
2025-08-28	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	192.2K	¥1,520	+37.5%	¥79M ($508K)
2025-08-28	BUY	Market Buy	株式会社ザッパラス Zappalas Co., Ltd.	passive	49.6K	¥1,520	-	-
2025-08-28	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	928.8K	¥1,520	-37.5%	¥2M ($15K)

Showing the 50 most recent of 78 filings.

Frequently asked questions

Who has been buying Pro-Ship Incorporated stock?: 7 distinct investors have filed 20 disclosed large-shareholding filings in Pro-Ship Incorporated (3763), most recently on 2026-02-16. 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 Pro-Ship Incorporated have?: Pro-Ship Incorporated has 20 buy-side and 9 sell-side disclosures on record, covering ¥4.4B ($28.2M) in total reported value, spanning 2021-06-16 to 2026-02-16.
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.