Who has been buying Broadleaf Co., Ltd. stock?

15 distinct investors have filed 54 disclosed large-shareholding filings in Broadleaf Co., Ltd. (3673), most recently on 2026-04-22. 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 Broadleaf Co., Ltd. have?

Broadleaf Co., Ltd. has 54 buy-side and 31 sell-side disclosures on record, covering ¥43.9B ($283.1M) in total reported value, spanning 2021-03-22 to 2026-04-22.

Where does StockDrifts get Broadleaf 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.

Broadleaf Co., Ltd. 3673

Company

株式会社ブロードリーフBroadleaf Co., Ltd.

Investors

Buys

Total Value

¥43.9B ($283.1M)

Avg Return

+68.18%

Last Filing

2026-04-22

Broadleaf Co., Ltd. (3673) has 54 disclosed large-shareholding filings and 31 disclosed disposals on record, filed by 15 distinct investors. Together those filings cover ¥43.9B ($283.1M) in reported transaction value. The earliest filing StockDrifts holds for Broadleaf Co., Ltd. is dated 2021-03-22; the most recent is 2026-04-22. 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 +68.18%, 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
2026-04-22	BUY	Market Buy	光通信株式会社	passive	6.6M	¥839	+15.5%	¥5.6B ($35.9M)
2026-04-22	BUY	Market Buy	株式会社エヌオーアイ	passive	7.7M	¥839	+15.5%	¥616M ($4.0M)
2026-04-22	BUY	Market Buy	株式会社エスアイエル	passive	6.9M	¥839	+15.5%	¥5.8B ($37.3M)
2026-04-22	BUY	Market Buy	株式会社UH Partners 3	passive	6.9M	¥839	+15.5%	¥5.8B ($37.6M)
2026-04-22	BUY	Market Buy	株式会社UH Partners 2	passive	6.9M	¥839	+15.5%	¥5.8B ($37.2M)
2026-03-02	BUY	Market Buy	株式会社エヌオーアイ	passive	6.9M	¥712	+25.0%	¥6.2B ($39.7M)
2026-03-02	BUY	Market Buy	株式会社エスアイエル	passive	6.9M	¥712	-25.0%	¥6.1B ($39.6M)
2026-03-02	BUY	Market Buy	株式会社UH Partners 3	passive	6.9M	¥712	-25.0%	¥6.2B ($39.9M)
2026-03-02	BUY	Market Buy	株式会社UH Partners 2	passive	6.9M	¥712	-25.0%	¥6.1B ($39.5M)
2026-03-02	BUY	Market Buy	光通信株式会社	passive	6.6M	¥712	-25.0%	¥5.9B ($38.1M)
2026-02-20	BUY	Market Buy	株式会社エヌオーアイ	passive	5.8M	¥680	+30.9%	¥5.1B ($33.2M)
2026-02-20	BUY	Market Buy	株式会社エスアイエル	passive	6.9M	¥680	-30.9%	¥6.1B ($39.6M)
2026-02-20	BUY	Market Buy	株式会社UH Partners 3	passive	6.9M	¥680	-30.9%	¥6.2B ($39.9M)
2026-02-20	BUY	Market Buy	株式会社UH Partners 2	passive	6.9M	¥680	-30.9%	¥6.1B ($39.5M)
2026-02-20	BUY	Market Buy	光通信株式会社	passive	6.6M	¥680	-30.9%	¥5.9B ($38.1M)
2026-02-06	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	31.9M	¥592	+50.3%	¥527M ($3.4M)
2025-12-22	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	4.7M	¥720	-23.6%	¥853M ($5.5M)
2025-12-19	BUY	Market Buy	株式会社エヌオーアイ	passive	3.7M	¥739	+20.4%	¥3.3B ($21.0M)
2025-12-19	BUY	Market Buy	株式会社エスアイエル	passive	6.9M	¥739	-20.4%	¥6.1B ($39.6M)
2025-12-19	BUY	Market Buy	株式会社UH Partners 3	passive	6.9M	¥739	-20.4%	¥6.2B ($39.9M)
2025-12-19	BUY	Market Buy	株式会社UH Partners 2	passive	6.9M	¥739	-20.4%	¥6.1B ($39.5M)
2025-12-19	BUY	Market Buy	光通信株式会社	passive	6.6M	¥739	-20.4%	¥5.9B ($38.1M)
2025-12-01	BUY	Market Buy	株式会社エヌオーアイ	passive	3.3M	¥726	+22.6%	¥3.0B ($19.2M)
2025-12-01	BUY	Market Buy	株式会社エスアイエル	passive	6.9M	¥726	-22.6%	¥6.1B ($39.6M)
2025-12-01	BUY	Market Buy	株式会社UH Partners 3	passive	6.9M	¥726	-22.6%	¥6.2B ($39.9M)
2025-12-01	BUY	Market Buy	株式会社UH Partners 2	passive	6.9M	¥726	-22.6%	¥6.1B ($39.5M)
2025-12-01	BUY	Market Buy	光通信株式会社	passive	6.6M	¥726	-22.6%	¥5.9B ($38.1M)
2025-12-01	BUY	Market Buy	株式会社エヌオーアイ	passive	3.4M	¥726	+22.6%	¥3.0B ($19.3M)
2025-12-01	BUY	Market Buy	株式会社エスアイエル	passive	6.9M	¥726	-22.6%	¥6.1B ($39.6M)
2025-12-01	BUY	Market Buy	株式会社UH Partners 3	passive	6.9M	¥726	-22.6%	¥6.2B ($39.9M)
2025-12-01	BUY	Market Buy	株式会社UH Partners 2	passive	6.9M	¥726	-22.6%	¥6.1B ($39.5M)
2025-12-01	BUY	Market Buy	光通信株式会社	passive	6.6M	¥726	-22.6%	¥5.9B ($38.1M)
2025-11-10	BUY	Market Buy	株式会社エヌオーアイ NIO Co., Ltd.	passive	2.3M	¥732	+21.6%	¥272M ($1.8M)
2025-11-10	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	6.9M	¥732	+21.6%	¥5.0B ($32.6M)
2025-11-10	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	6.9M	¥732	+21.6%	¥5.1B ($32.8M)
2025-11-10	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	6.9M	¥732	+21.6%	¥5.0B ($32.5M)
2025-11-10	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	6.6M	¥732	+21.6%	¥4.9B ($31.3M)
2025-10-24	BUY	Market Buy	株式会社エヌオーアイ NIO Co., Ltd.	passive	2.0M	¥740	+20.3%	¥739M ($4.8M)
2025-10-24	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	6.9M	¥740	+20.3%	¥5.1B ($32.9M)
2025-10-24	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	6.9M	¥740	+20.3%	¥5.1B ($33.2M)
2025-10-24	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	6.9M	¥740	+20.3%	¥5.1B ($32.8M)
2025-10-24	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	6.6M	¥740	+20.3%	¥4.9B ($31.7M)
2025-08-07	BUY	Market Buy	株式会社エヌオーアイ NIO Co., Ltd.	passive	982.8K	¥741	+20.1%	¥728M ($4.7M)
2025-08-07	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	6.9M	¥741	+20.1%	¥5.1B ($33.0M)
2025-08-07	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	6.9M	¥741	+20.1%	¥5.1B ($33.2M)
2025-08-07	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	6.9M	¥741	+20.1%	¥5.1B ($32.9M)
2025-08-07	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	6.6M	¥741	+20.1%	¥4.9B ($31.7M)
2025-07-28	BUY	Market Buy	株式会社エヌオーアイ NIO Co., Ltd.	passive	982.8K	¥747	+19.1%	¥59M ($377K)
2025-07-28	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	6.9M	¥747	+19.1%	¥5.2B ($33.2M)
2025-07-28	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	6.9M	¥747	+19.1%	¥5.2B ($33.5M)

Showing the 50 most recent of 197 filings.

Frequently asked questions

Who has been buying Broadleaf Co., Ltd. stock?: 15 distinct investors have filed 54 disclosed large-shareholding filings in Broadleaf Co., Ltd. (3673), most recently on 2026-04-22. 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 Broadleaf Co., Ltd. have?: Broadleaf Co., Ltd. has 54 buy-side and 31 sell-side disclosures on record, covering ¥43.9B ($283.1M) in total reported value, spanning 2021-03-22 to 2026-04-22.
Where does StockDrifts get Broadleaf 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 Broadleaf Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.