Who has been buying U-NEXT HOLDINGS Co.,Ltd. stock?

6 distinct investors have filed 5 disclosed large-shareholding filings in U-NEXT HOLDINGS Co.,Ltd. (9418), most recently on 2025-09-29. 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 U-NEXT HOLDINGS Co.,Ltd. have?

U-NEXT HOLDINGS Co.,Ltd. has 5 buy-side and 10 sell-side disclosures on record, covering ¥33.5B ($216.3M) in total reported value, spanning 2021-04-15 to 2025-09-29.

Where does StockDrifts get U-NEXT HOLDINGS 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.

U-NEXT HOLDINGS Co.,Ltd. 9418

Company

株式会社USEN-NEXT HOLDINGSU-NEXT HOLDINGS Co.,Ltd.

Investors

Buys

Total Value

¥33.5B ($216.3M)

Avg Return

+22.66%

Last Filing

2025-09-29

U-NEXT HOLDINGS Co.,Ltd. (9418) has 5 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥33.5B ($216.3M) in reported transaction value. The earliest filing StockDrifts holds for U-NEXT HOLDINGS Co.,Ltd. is dated 2021-04-15; the most recent is 2025-09-29. 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 +22.66%, 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
2026-07-03	BUY	acquisition	株式会社TBSホールディングス TBS HOLDINGS, INC.	strategic	14.5M	¥1,682	+1.7%	¥24.4B ($157.2M)
2026-07-03	SELL	negotiated	株式会社UNO-HOLDINGS	activist	90.4M	¥1,682	-1.7%	¥91M ($587K)
2026-07-03	SELL	negotiated	宇野康秀	activist	906.5K	¥1,682	-1.7%	¥21.1B ($135.8M)
2026-07-03	SELL	negotiated	株式会社UNO-HOLDINGS	activist	90.4M	¥1,682	-1.7%	¥91M ($587K)
2026-07-03	SELL	negotiated	宇野康秀	activist	906.5K	¥1,682	-1.7%	¥21.1B ($135.8M)
2025-09-29	SELL	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	3.9M	¥2,115	+21.8%	¥496M ($3.2M)
2025-09-29	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	5.8M	¥2,115	+21.8%	¥763M ($4.9M)
2025-08-06	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	5.3M	¥2,199	+24.7%	¥4.2B ($26.9M)
2025-08-06	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	2.0M	¥2,199	-24.7%	¥198M ($1.3M)
2024-07-19	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.4M	¥1,446.67	+14.4%	¥3.5B ($22.4M)
2024-07-19	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	625.8K	¥1,446.67	+14.4%	¥905M ($5.8M)
2024-04-15	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	2.0M	¥1,505	-10.0%	¥905M ($5.8M)
2024-04-15	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	1.4M	¥1,505	+10.0%	¥2.1B ($13.4M)
2023-09-01	SELL	Market Buy	宇野康秀 Yasuhide Uno	activist	4.5M	¥1,200	-37.9%	¥25.6B ($165.2M)
2023-09-01	BUY	Market Buy	株式会社UNO-HOLDINGS UNO-HOLDINGS	activist	30.1M	¥1,200	+37.9%	¥25.6B ($165.3M)
2023-02-28	SELL	negotiated	宇野康秀 Yasuhide Uno	activist	25.8M	¥834.67	-98.3%	¥1.7B ($11.2M)
2023-02-28	SELL	negotiated	株式会社UNO-HOLDINGS UNO-HOLDINGS	activist	8.8M	¥834.67	-98.3%	¥632M ($4.1M)
2023-02-22	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	1.4M	¥848.67	+95.0%	¥1.2B ($7.6M)
2023-02-22	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	2.6M	¥848.67	-95.0%	¥515M ($3.3M)
2022-09-27	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	1.4M	¥654.33	+152.9%	¥903M ($5.8M)
2022-09-27	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	3.2M	¥654.33	-152.9%	¥393M ($2.5M)
2022-05-12	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	1.4M	¥648	+155.4%	¥895M ($5.8M)
2022-05-12	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	3.9M	¥648	-155.4%	¥393M ($2.5M)
2022-01-18	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	1.4M	¥966	+71.3%	¥1.3B ($8.6M)
2022-01-18	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	4.5M	¥966	+71.3%	¥4.2B ($27.4M)
2021-11-29	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	5.9M	¥1,091.67	+51.6%	¥6.4B ($41.4M)
2021-04-15	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	5.9M	¥768.33	+115.4%	¥4.5B ($29.1M)

Frequently asked questions

Who has been buying U-NEXT HOLDINGS Co.,Ltd. stock?: 6 distinct investors have filed 5 disclosed large-shareholding filings in U-NEXT HOLDINGS Co.,Ltd. (9418), most recently on 2025-09-29. 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 U-NEXT HOLDINGS Co.,Ltd. have?: U-NEXT HOLDINGS Co.,Ltd. has 5 buy-side and 10 sell-side disclosures on record, covering ¥33.5B ($216.3M) in total reported value, spanning 2021-04-15 to 2025-09-29.
Where does StockDrifts get U-NEXT HOLDINGS 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 U-NEXT HOLDINGS Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.