Who has been buying Broadmedia Corporation stock?

5 distinct investors have filed 37 disclosed large-shareholding filings in Broadmedia Corporation (4347), most recently on 2026-04-03. 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 Broadmedia Corporation have?

Broadmedia Corporation has 37 buy-side and 9 sell-side disclosures on record, covering ¥2.3B ($14.6M) in total reported value, spanning 2023-07-21 to 2026-04-03.

Where does StockDrifts get Broadmedia Corporation 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.

Broadmedia Corporation 4347

Company

ブロードメディア株式会社Broadmedia Corporation

Investors

Buys

Total Value

¥2.3B ($14.6M)

Avg Return

+53.07%

Last Filing

2026-04-03

Broadmedia Corporation (4347) has 37 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥2.3B ($14.6M) in reported transaction value. The earliest filing StockDrifts holds for Broadmedia Corporation is dated 2023-07-21; the most recent is 2026-04-03. 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 +53.07%, 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
2026-04-03	BUY	Market Buy	武士道アセットマネジメント株式会社 BUSHIDO Asset Management Co., Ltd.	passive	642.0K	¥2,260	-3.5%	¥183M ($1.2M)
2026-03-05	BUY	Market Buy	武士道アセットマネジメント株式会社 BUSHIDO Asset Management Co., Ltd.	passive	561.0K	¥2,158	+7.1%	¥311M ($2.0M)
2026-02-05	SELL	Market Buy	武士道アセットマネジメント株式会社 BUSHIDO Asset Management Co., Ltd.	passive	417.0K	¥2,178	-6.1%	¥392M ($2.5M)
2026-02-04	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	2.9M	¥2,037	+13.4%	¥1.7B ($10.9M)
2025-06-17	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	2.0M	¥1,931	+19.7%	¥158M ($1.0M)
2025-06-05	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.9M	¥1,767	+30.8%	¥135M ($872K)
2025-05-21	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.9M	¥1,610	+43.5%	¥437M ($2.8M)
2025-05-20	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.6M	¥1,580	+46.3%	¥525M ($3.4M)
2025-05-20	SELL	unknown	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	10.6K	¥1,580	-46.3%	¥21M ($138K)
2025-05-20	SELL	unknown	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	50.0K	¥1,580	-46.3%	¥95M ($612K)
2025-05-20	SELL	unknown	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	243.8K	¥1,580	-46.3%	¥466M ($3.0M)
2025-05-09	SELL	unknown	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	23.7K	¥1,557	-48.4%	¥7M ($45K)
2025-05-09	SELL	unknown	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	110.5K	¥1,557	-48.4%	¥35M ($226K)
2025-05-09	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.3M	¥1,557	+48.4%	¥204M ($1.3M)
2025-05-09	SELL	unknown	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	538.6K	¥1,557	-48.4%	¥187M ($1.2M)
2025-04-30	BUY	unknown	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	28.6K	¥1,704	+35.6%	¥33M ($214K)
2025-04-30	BUY	unknown	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	132.9K	¥1,704	+35.6%	¥226M ($1.5M)
2025-04-30	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.1M	¥1,704	+35.6%	¥213M ($1.4M)
2025-04-30	SELL	unknown	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	658.2K	¥1,704	-35.6%	¥130M ($841K)
2025-04-07	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.0M	¥1,481	+56.0%	¥119M ($767K)
2025-01-23	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	926.4K	¥1,810	+27.7%	¥155M ($998K)
2025-01-10	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	734.8K	¥1,682	+37.4%	¥13M ($81K)
2025-01-10	SELL	Market Buy	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	8.9K	¥1,682	-37.4%	¥237M ($1.5M)
2025-01-10	BUY	Market Buy	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	132.9K	¥1,682	+37.4%	¥5M ($33K)
2024-12-25	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	840.7K	¥1,608	+43.7%	¥121M ($778K)
2024-11-26	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	765.5K	¥1,528	+51.2%	¥116M ($747K)
2024-11-13	BUY	Market Buy	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	1.6K	¥1,446	+59.8%	¥2M ($15K)
2024-11-13	BUY	Market Buy	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	129.7K	¥1,446	+59.8%	¥35M ($224K)
2024-11-13	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	727.6K	¥1,446	+59.8%	¥77M ($497K)
2024-10-29	BUY	Market Buy	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	1.6K	¥1,446	+59.8%	¥2M ($15K)
2024-10-29	BUY	Market Buy	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	106.0K	¥1,446	+59.8%	¥23M ($147K)
2024-10-29	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	674.2K	¥1,446	+59.8%	¥86M ($553K)
2024-10-22	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	690.0K	¥1,457	+58.6%	¥109M ($705K)
2024-07-11	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	614.9K	¥1,750	+32.1%	¥138M ($889K)
2024-07-11	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	614.9K	¥1,750	+32.1%	¥138M ($889K)
2024-06-19	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	536.4K	¥1,814	+27.4%	¥143M ($922K)
2024-06-04	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	482.6K	¥1,595	+44.9%	¥131M ($847K)
2024-05-29	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	400.5K	¥1,617	+42.9%	¥648M ($4.2M)
2024-04-24	BUY	Market Buy	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	94.9K	¥1,318	+75.3%	¥35M ($229K)
2024-04-24	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	649.1K	¥1,318	+75.3%	¥78M ($505K)
2024-04-04	BUY	Market Buy	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	68.4K	¥1,255	+84.1%	¥26M ($167K)
2024-04-04	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	589.3K	¥1,255	+84.1%	¥79M ($513K)
2024-03-04	BUY	Market Buy	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	47.6K	¥1,250	+84.9%	¥11M ($70K)
2024-03-04	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	526.1K	¥1,250	+84.9%	¥100M ($645K)
2024-02-26	BUY	Market Buy	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	38.8K	¥1,240	+86.4%	¥9M ($57K)
2024-02-26	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	446.3K	¥1,240	+86.4%	¥101M ($652K)
2024-02-20	BUY	unknown	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	31.7K	¥1,114	+107.5%	¥35M ($228K)
2024-02-20	BUY	unknown	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	364.5K	¥1,114	+107.5%	¥406M ($2.6M)
2023-11-21	BUY	Market Buy	武士道アセットマネジメント株式会社 BUSHIDO Asset Management Co., Ltd.	passive	630.0K	¥1,440	+60.5%	¥158M ($1.0M)
2023-07-21	BUY	Market Buy	武士道アセットマネジメント株式会社 BUSHIDO Asset Management Co., Ltd.	passive	520.0K	¥1,528	+51.2%	¥795M ($5.1M)

Frequently asked questions

Who has been buying Broadmedia Corporation stock?: 5 distinct investors have filed 37 disclosed large-shareholding filings in Broadmedia Corporation (4347), most recently on 2026-04-03. 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 Broadmedia Corporation have?: Broadmedia Corporation has 37 buy-side and 9 sell-side disclosures on record, covering ¥2.3B ($14.6M) in total reported value, spanning 2023-07-21 to 2026-04-03.
Where does StockDrifts get Broadmedia Corporation 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 Broadmedia Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.