Who has been buying Bell-Park Co.,Ltd. stock?

11 distinct investors have filed 19 disclosed large-shareholding filings in Bell-Park Co.,Ltd. (9441), most recently on 2026-02-26. 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 Bell-Park Co.,Ltd. have?

Bell-Park Co.,Ltd. has 19 buy-side and 12 sell-side disclosures on record, covering ¥21.7B ($139.7M) in total reported value, spanning 2021-11-29 to 2026-02-26.

Where does StockDrifts get Bell-Park 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.

Bell-Park Co.,Ltd. 9441

Company

株式会社ベルパークBell-Park Co.,Ltd.

Investors

Buys

Total Value

¥21.7B ($139.7M)

Avg Return

+33.31%

Last Filing

2026-02-26

Bell-Park Co.,Ltd. (9441) has 19 disclosed large-shareholding filings and 12 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥21.7B ($139.7M) in reported transaction value. The earliest filing StockDrifts holds for Bell-Park Co.,Ltd. is dated 2021-11-29; the most recent is 2026-02-26. 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 +33.31%, 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
2026-02-26	BUY	Market Buy	株式会社UH5	passive	22.3K	¥2,589	-20.7%	¥70M ($450K)
2026-02-26	BUY	Market Buy	株式会社アイビー	passive	952.3K	¥2,589	-20.7%	¥3.0B ($19.2M)
2026-02-26	BUY	Market Buy	株式会社エヌオーアイ	passive	952.3K	¥2,589	-20.7%	¥3.0B ($19.2M)
2026-02-26	BUY	Market Buy	株式会社エスアイエル	passive	79.6K	¥2,589	+20.7%	¥249M ($1.6M)
2026-02-26	BUY	Market Buy	株式会社UH Partners 3	passive	952.2K	¥2,589	-20.7%	¥3.0B ($19.2M)
2026-02-26	BUY	Market Buy	株式会社UH Partners 2	passive	952.2K	¥2,589	-20.7%	¥3.0B ($19.2M)
2026-02-26	BUY	Market Buy	光通信株式会社	passive	444.8K	¥2,589	+20.7%	¥1.4B ($9.0M)
2025-12-26	BUY	unknown	株式会社オリーブグラス	strategic	4.0M	¥2,690	+16.2%	¥12.4B ($79.9M)
2025-12-26	BUY	unknown	株式会社日本ビジネス開発	strategic	1.3M	¥2,690	-16.2%	¥4.2B ($26.9M)
2025-12-26	SELL	unknown	西川猛	activist	367.0K	¥2,690	-16.2%	¥1.1B ($7.4M)
2025-12-23	BUY	Market Buy	株式会社UH5	passive	22.3K	¥2,700	-15.7%	¥70M ($450K)
2025-12-23	BUY	Market Buy	株式会社アイビー	passive	952.3K	¥2,700	-15.7%	¥3.0B ($19.2M)
2025-12-23	BUY	Market Buy	株式会社エヌオーアイ	passive	952.3K	¥2,700	-15.7%	¥3.0B ($19.2M)
2025-12-23	BUY	Market Buy	株式会社エスアイエル	passive	59.6K	¥2,700	+15.7%	¥186M ($1.2M)
2025-12-23	BUY	Market Buy	株式会社UH Partners 3	passive	952.2K	¥2,700	-15.7%	¥3.0B ($19.2M)
2025-12-23	BUY	Market Buy	株式会社UH Partners 2	passive	952.2K	¥2,700	-15.7%	¥3.0B ($19.2M)
2025-12-23	BUY	Market Buy	光通信株式会社	passive	341.4K	¥2,700	-15.7%	¥1.1B ($6.9M)
2025-12-18	BUY	Market Buy	株式会社オリーブグラス	strategic	1.2M	¥2,668	+17.1%	¥3.6B ($23.4M)
2025-12-18	BUY	Market Buy	株式会社日本ビジネス開発	strategic	1.3M	¥2,668	+17.1%	¥4.2B ($26.9M)
2025-12-18	BUY	Market Buy	西川猛	activist	3.2M	¥2,668	+17.1%	¥9.9B ($63.9M)
2025-09-29	BUY	Market Buy	株式会社アイビー IB, Inc.	passive	952.3K	¥2,796	+11.8%	¥2.7B ($17.2M)
2025-09-29	BUY	Market Buy	株式会社エヌオーアイ NIO Co., Ltd.	passive	952.3K	¥2,796	+11.8%	¥2.7B ($17.2M)
2025-09-29	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	22.4K	¥2,796	+11.8%	¥1.7B ($11.0M)
2025-09-29	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	952.2K	¥2,796	+11.8%	¥2.7B ($17.2M)
2025-09-29	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	952.2K	¥2,796	+11.8%	¥2.7B ($17.2M)
2025-09-29	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	341.4K	¥2,796	+11.8%	¥955M ($6.2M)
2025-09-10	BUY	Market Buy	株式会社アイビー IB, Inc.	passive	952.3K	¥2,546	+22.7%	¥957M ($6.2M)
2025-09-10	BUY	Market Buy	株式会社エヌオーアイ NIO Co., Ltd.	passive	952.3K	¥2,546	+22.7%	¥957M ($6.2M)
2025-09-10	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	16.1K	¥2,546	+22.7%	¥4.1B ($26.1M)
2025-09-10	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	952.2K	¥2,546	+22.7%	¥957M ($6.2M)
2025-09-10	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	952.2K	¥2,546	+22.7%	¥957M ($6.2M)
2025-09-10	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	341.4K	¥2,546	+22.7%	¥343M ($2.2M)
2025-07-07	SELL	Market Buy	株式会社エスアイエル SIL Co., Ltd.	unknown	0	¥1,979	-57.9%	¥2.3B ($14.5M)
2025-07-07	BUY	Market Buy	株式会社アイビー IB, Inc.	passive	952.3K	¥1,979	+57.9%	¥1.9B ($12.2M)
2025-07-07	BUY	Market Buy	株式会社エヌオーアイ NIO Co., Ltd.	passive	952.3K	¥1,979	+57.9%	¥1.9B ($12.2M)
2025-07-07	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	952.2K	¥1,979	+57.9%	¥1.9B ($12.2M)
2025-07-07	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	952.2K	¥1,979	+57.9%	¥1.9B ($12.2M)
2025-07-07	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	341.4K	¥1,979	-57.9%	¥3.8B ($24.7M)
2025-07-01	BUY	unknown	株式会社オリーブグラス Olive Glass Co., Ltd.	strategic	1.2M	¥1,930	+61.9%	¥2.2B ($14.4M)
2025-07-01	SELL	unknown	株式会社日本ビジネス開発 Japan Business Development Co., Ltd.	strategic	1.3M	¥1,930	-61.9%	¥7.6B ($48.9M)
2025-07-01	BUY	unknown	株式会社オリーブグラス Olive Glass Co., Ltd.	strategic	1.2M	¥1,930	+61.9%	¥2.2B ($14.4M)
2025-07-01	SELL	unknown	株式会社日本ビジネス開発 Japan Business Development Co., Ltd.	strategic	1.3M	¥1,930	-61.9%	¥7.6B ($48.9M)
2025-07-01	BUY	unknown	西川猛 Takeru Nishikawa	activist	3.2M	¥1,930	+61.9%	¥6.1B ($39.5M)
2025-07-01	BUY	unknown	西川猛 Takeru Nishikawa	activist	3.2M	¥1,930	+61.9%	¥6.1B ($39.5M)
2025-06-13	BUY	Market Buy	株式会社アイビー IB, Inc.	passive	952.3K	¥1,896	+64.8%	¥1.8B ($11.6M)
2025-06-13	BUY	Market Buy	株式会社エヌオーアイ NIO Co., Ltd.	passive	952.3K	¥1,896	+64.8%	¥1.8B ($11.6M)
2025-06-13	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	1.1M	¥1,896	+64.8%	¥2.2B ($13.9M)
2025-06-13	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	952.2K	¥1,896	+64.8%	¥1.8B ($11.6M)
2025-06-13	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	952.2K	¥1,896	+64.8%	¥1.8B ($11.6M)
2025-06-13	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	2.3M	¥1,896	+64.8%	¥4.3B ($27.8M)

Showing the 50 most recent of 102 filings.

Frequently asked questions

Who has been buying Bell-Park Co.,Ltd. stock?: 11 distinct investors have filed 19 disclosed large-shareholding filings in Bell-Park Co.,Ltd. (9441), most recently on 2026-02-26. 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 Bell-Park Co.,Ltd. have?: Bell-Park Co.,Ltd. has 19 buy-side and 12 sell-side disclosures on record, covering ¥21.7B ($139.7M) in total reported value, spanning 2021-11-29 to 2026-02-26.
Where does StockDrifts get Bell-Park 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 Bell-Park Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.