Who has been buying BRONCO BILLY Co., Ltd. stock?

8 distinct investors have filed 5 disclosed large-shareholding filings in BRONCO BILLY Co., Ltd. (3091), most recently on 2025-04-07. 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 BRONCO BILLY Co., Ltd. have?

BRONCO BILLY Co., Ltd. has 5 buy-side and 9 sell-side disclosures on record, covering ¥1.1B ($7.4M) in total reported value, spanning 2022-12-05 to 2025-04-07.

Where does StockDrifts get BRONCO BILLY 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.

BRONCO BILLY Co., Ltd. 3091

Company

株式会社ブロンコビリーBRONCO BILLY Co., Ltd.

Investors

Buys

Total Value

¥1.1B ($7.4M)

Avg Return

+49.21%

Last Filing

2025-04-07

BRONCO BILLY Co., Ltd. (3091) has 5 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥1.1B ($7.4M) in reported transaction value. The earliest filing StockDrifts holds for BRONCO BILLY Co., Ltd. is dated 2022-12-05; the most recent is 2025-04-07. 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 +49.21%, 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
2025-04-07	BUY	Market Buy	竹市克弘 Katsuhiro Takeichi	activist	482.9K	¥3,400	+30.9%	¥220M ($1.4M)
2025-04-07	SELL	unknown	竹市季穎 Kiei Takeichi	activist	50.2K	¥3,400	-30.9%	¥13.2B ($84.9M)
2025-04-07	BUY	unknown	株式会社ストロングウィル Strong Will Co., Ltd.	activist	4.1M	¥3,400	+30.9%	¥14.0B ($90.3M)
2025-04-07	BUY	unknown	竹市克弘 Katsuhiro Takeichi	activist	482.9K	¥3,400	+30.9%	¥220M ($1.4M)
2025-04-07	SELL	Market Buy	竹市季穎 Kiei Takeichi	activist	50.2K	¥3,400	-30.9%	¥13.2B ($84.9M)
2025-04-07	BUY	Market Buy	株式会社ストロングウィル Strong Will Co., Ltd.	activist	4.1M	¥3,400	+30.9%	¥14.0B ($90.3M)
2024-07-29	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	117.8K	¥3,485	-27.7%	¥74M ($475K)
2024-07-29	SELL	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	27.8K	¥3,485	-27.7%	¥11M ($68K)
2024-07-29	SELL	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	52.6K	¥3,485	-27.7%	¥5M ($34K)
2024-07-29	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	410.5K	¥3,485	+27.7%	¥173M ($1.1M)
2024-07-29	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	280.0K	¥3,485	+27.7%	¥976M ($6.3M)
2023-01-16	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	138.0K	¥2,421	-83.8%	¥478M ($3.1M)
2023-01-16	BUY	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	29.6K	¥2,421	+83.8%	¥72M ($462K)
2023-01-16	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	54.0K	¥2,421	+83.8%	¥131M ($843K)
2023-01-16	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	359.7K	¥2,421	-83.8%	¥22M ($141K)
2023-01-16	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	280.0K	¥2,421	+83.8%	¥678M ($4.4M)
2022-12-05	SELL	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	54.4K	¥2,496	-78.3%	¥83M ($534K)
2022-12-05	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	369.5K	¥2,496	-78.3%	¥188M ($1.2M)
2022-12-05	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	336.4K	¥2,496	+78.3%	¥531M ($3.4M)
2022-12-05	BUY	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	29.9K	¥2,496	+78.3%	¥4M ($24K)
2022-12-05	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	280.0K	¥2,496	+78.3%	¥699M ($4.5M)

Frequently asked questions

Who has been buying BRONCO BILLY Co., Ltd. stock?: 8 distinct investors have filed 5 disclosed large-shareholding filings in BRONCO BILLY Co., Ltd. (3091), most recently on 2025-04-07. 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 BRONCO BILLY Co., Ltd. have?: BRONCO BILLY Co., Ltd. has 5 buy-side and 9 sell-side disclosures on record, covering ¥1.1B ($7.4M) in total reported value, spanning 2022-12-05 to 2025-04-07.
Where does StockDrifts get BRONCO BILLY 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 BRONCO BILLY Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.