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

11 distinct investors have filed 13 disclosed large-shareholding filings in Belluna Co., Ltd. (9997), most recently on 2026-03-31. 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 Belluna Co., Ltd. have?

Belluna Co., Ltd. has 13 buy-side and 6 sell-side disclosures on record, covering ¥39.8B ($256.9M) in total reported value, spanning 2021-08-27 to 2026-03-31.

Where does StockDrifts get Belluna 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.

Belluna Co., Ltd. 9997

Company

株式会社ベルーナBelluna Co., Ltd.

Investors

Buys

Total Value

¥39.8B ($256.9M)

Avg Return

+6.12%

Last Filing

2026-03-31

Belluna Co., Ltd. (9997) has 13 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥39.8B ($256.9M) in reported transaction value. The earliest filing StockDrifts holds for Belluna Co., Ltd. is dated 2021-08-27; the most recent is 2026-03-31. 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 +6.12%, 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
2026-03-31	SELL	negotiated	株式会社フレンドステージアセットマネジメント	unknown	0	¥870	+2.5%	¥36.0B ($232.3M)
2026-03-31	BUY	negotiated	安野洋	strategic	71.9K	¥870	-2.5%	¥63M ($403K)
2026-03-31	BUY	negotiated	安野明子	strategic	71.8K	¥870	-2.5%	¥63M ($403K)
2026-03-31	BUY	negotiated	安野雄一朗	strategic	152.9K	¥870	-2.5%	¥133M ($858K)
2026-03-31	BUY	negotiated	安野公	strategic	2.9M	¥870	-2.5%	¥2.5B ($16.4M)
2026-03-31	BUY	negotiated	株式会社フレンドステージ	strategic	41.4M	¥870	-2.5%	¥36.0B ($232.3M)
2026-03-31	BUY	negotiated	安野清	activist	2.9M	¥870	-2.5%	¥2.5B ($16.4M)
2026-03-23	BUY	unknown	SMBC日興証券株式会社	other	863.9K	¥880	-3.0%	¥738M ($4.8M)
2026-03-23	BUY	unknown	株式会社三井住友銀行	other	2.2M	¥880	-3.0%	¥1.9B ($12.4M)
2026-03-23	BUY	unknown	三井住友DSアセットマネジメント株式会社	passive	2.4M	¥880	-3.0%	¥2.0B ($13.0M)
2025-11-26	BUY	Market Buy	安野清	activist	2.9M	¥992	+13.9%	¥2.5B ($16.1M)
2025-11-26	BUY	Market Buy	株式会社フレンドステージアセットマネジメント	strategic	41.4M	¥992	+13.9%	¥35.3B ($228.0M)
2025-11-26	BUY	Market Buy	安野洋	strategic	71.9K	¥992	+13.9%	¥61M ($396K)
2025-11-26	BUY	Market Buy	安野明子	strategic	71.8K	¥992	+13.9%	¥61M ($396K)
2025-11-26	BUY	Market Buy	安野雄一朗	strategic	152.9K	¥992	-13.9%	¥131M ($843K)
2025-11-26	BUY	Market Buy	安野公	strategic	2.9M	¥992	+13.9%	¥2.5B ($16.1M)
2025-08-04	BUY	negotiated	株式会社フレンドステージアセットマネジメント Friend Stage Asset Management Co., Ltd.	strategic	41.4M	¥950	-10.1%	¥39.3B ($253.6M)
2025-08-04	BUY	negotiated	安野洋 Hiroshi Yasuno	strategic	71.9K	¥950	-10.1%	¥68M ($441K)
2025-08-04	BUY	negotiated	安野明子 Akiko Yasuno	strategic	71.8K	¥950	-10.1%	¥68M ($440K)
2025-08-04	BUY	negotiated	安野雄一朗 Yuichiro Yasuno	strategic	148.5K	¥950	-10.1%	¥141M ($910K)
2025-08-04	BUY	negotiated	安野公 Lord Yasuno	strategic	2.9M	¥950	-10.1%	¥2.8B ($17.9M)
2025-08-04	BUY	negotiated	安野清 Yasuno Kiyoshi	activist	2.9M	¥950	-10.1%	¥2.8B ($17.9M)
2025-04-22	BUY	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.2M	¥956	-10.7%	¥2.1B ($13.9M)
2025-04-22	BUY	unknown	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	2.0M	¥956	-10.7%	¥186M ($1.2M)
2025-04-22	SELL	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	38.6K	¥956	+10.7%	¥967M ($6.2M)
2024-09-24	BUY	unknown	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	1.8M	¥716	+19.3%	¥1.3B ($8.4M)
2024-09-24	BUY	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.2M	¥716	+19.3%	¥1.6B ($10.4M)
2024-09-24	BUY	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	1.0M	¥716	+19.3%	¥752M ($4.8M)
2024-04-30	BUY	negotiated	株式会社フレンドステージアセットマネジメント Friend Stage Asset Management Co., Ltd.	strategic	41.4M	¥635	+34.5%	¥26.3B ($169.5M)
2024-04-30	BUY	negotiated	安野雄一朗 Yuichiro Yasuno	strategic	145.9K	¥635	+34.5%	¥93M ($598K)
2024-04-30	BUY	negotiated	安野公 Lord Yasuno	strategic	2.9M	¥635	+34.5%	¥1.9B ($11.9M)
2024-04-30	BUY	negotiated	安野清 Yasuno Kiyoshi	activist	2.9M	¥635	+34.5%	¥1.9B ($11.9M)
2024-04-30	BUY	negotiated	安野洋 Hiroshi Yasuno	strategic	71.9K	¥635	+34.5%	¥46M ($294K)
2024-04-30	BUY	negotiated	安野明子 Akiko Yasuno	strategic	71.8K	¥635	+34.5%	¥46M ($294K)
2024-03-26	BUY	negotiated	安野明子 Akiko Yasuno	strategic	71.8K	¥627	+36.2%	¥45M ($291K)
2024-03-26	BUY	negotiated	安野雄一朗 Yuichiro Yasuno	strategic	145.9K	¥627	+36.2%	¥91M ($590K)
2024-03-26	BUY	negotiated	安野公 Lord Yasuno	strategic	2.9M	¥627	+36.2%	¥1.8B ($11.8M)
2024-03-26	BUY	negotiated	安野清 Yasuno Kiyoshi	activist	2.9M	¥627	+36.2%	¥1.8B ($11.8M)
2024-03-26	BUY	negotiated	株式会社フレンドステージアセットマネジメント Friend Stage Asset Management Co., Ltd.	strategic	41.4M	¥627	+36.2%	¥25.9B ($167.4M)
2024-03-26	BUY	negotiated	安野洋 Hiroshi Yasuno	strategic	71.9K	¥627	+36.2%	¥45M ($291K)
2023-12-22	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	4.3M	¥598	-42.8%	¥837M ($5.4M)
2023-11-22	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	5.7M	¥628	-36.0%	¥794M ($5.1M)
2023-10-20	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	6.9M	¥630	-35.6%	¥833M ($5.4M)
2023-04-03	BUY	negotiated	安野公 Lord Yasuno	strategic	2.9M	¥711	+20.1%	¥2.1B ($13.4M)
2023-04-03	BUY	negotiated	株式会社フレンドステージアセットマネジメント Friend Stage Asset Management Co., Ltd.	strategic	41.4M	¥711	+20.1%	¥29.4B ($189.8M)
2023-04-03	BUY	negotiated	安野洋 Hiroshi Yasuno	strategic	71.9K	¥711	+20.1%	¥51M ($330K)
2023-04-03	BUY	negotiated	安野明子 Akiko Yasuno	strategic	71.8K	¥711	+20.1%	¥51M ($330K)
2023-04-03	BUY	negotiated	安野雄一朗 Yuichiro Yasuno	strategic	143.0K	¥711	+20.1%	¥102M ($656K)
2023-04-03	BUY	negotiated	安野清 Yasuno Kiyoshi	activist	2.9M	¥711	+20.1%	¥2.1B ($13.4M)
2023-02-27	BUY	Market Buy	安野明子 Akiko Yasuno	strategic	71.8K	¥692	+23.4%	¥50M ($321K)

Showing the 50 most recent of 61 filings.

Frequently asked questions

Who has been buying Belluna Co., Ltd. stock?: 11 distinct investors have filed 13 disclosed large-shareholding filings in Belluna Co., Ltd. (9997), most recently on 2026-03-31. 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 Belluna Co., Ltd. have?: Belluna Co., Ltd. has 13 buy-side and 6 sell-side disclosures on record, covering ¥39.8B ($256.9M) in total reported value, spanning 2021-08-27 to 2026-03-31.
Where does StockDrifts get Belluna 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 Belluna Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.