Who has been buying Sunny Side Up Group, Inc. stock?

4 distinct investors have filed 1 disclosed large-shareholding filings in Sunny Side Up Group, Inc. (2180), most recently on 2026-05-14. 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 Sunny Side Up Group, Inc. have?

Sunny Side Up Group, Inc. has 1 buy-side and 4 sell-side disclosures on record, covering ¥2.5B ($16.1M) in total reported value, spanning 2024-05-31 to 2026-05-14.

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.

Sunny Side Up Group, Inc. 2180

Company

株式会社サニーサイドアップグループSunny Side Up Group, Inc.

Investors

Buys

Total Value

¥2.5B ($16.1M)

Avg Return

+68.22%

Last Filing

2026-05-14

Sunny Side Up Group, Inc. (2180) has 1 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥2.5B ($16.1M) in reported transaction value. The earliest filing StockDrifts holds for Sunny Side Up Group, Inc. is dated 2024-05-31; the most recent is 2026-05-14. Across these filings the average return since disclosure is +68.22%, 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
2026-07-01	SELL	unknown	渡邊徳人 Norihito Watanabe	unknown	0	¥1,305	-0.3%	¥994M ($6.4M)
2026-07-01	SELL	unknown	次原悦子	unknown	0	¥1,305	-0.3%	¥1.5B ($9.9M)
2026-07-01	SELL	unknown	株式会社ネクストフィールド	activist	4.3M	¥1,305	-0.3%	¥1.5B ($9.7M)
2026-07-01	BUY	unknown	株式会社ネクストフィールド	unknown	4.3M	¥1,305	-	¥5.6B ($36.4M)
2026-06-26	BUY	subscription	株式会社アカツキ Akatsuki Inc.	activist	9.5M	¥1,305	+0.3%	¥12.3B ($79.7M)
2026-05-14	BUY	unknown	次原悦子	activist	1.2M	¥1,315	-	-
2026-05-14	BUY	unknown	株式会社ネクストフィールド	activist	5.5M	¥1,315	-	-
2026-05-14	BUY	unknown	株式会社ネクストフィールド	unknown	5.5M	¥1,315	-	¥7.2B ($46.4M)
2026-05-14	SELL	unknown	渡邊徳人 Norihito Watanabe	activist	761.1K	¥1,315	+0.5%	¥4M ($26K)
2026-02-17	BUY	unknown	次原悦子	activist	1.2M	¥971	-	-
2026-02-17	BUY	unknown	株式会社ネクストフィールド	activist	5.5M	¥971	-	-
2026-02-17	BUY	unknown	次原悦子	activist	1.2M	¥971	-	-
2026-02-17	BUY	unknown	株式会社ネクストフィールド	activist	5.5M	¥971	-	-
2025-05-27	BUY	unknown	次原悦子 ETSUKO TSUGIHARA	activist	1.2M	¥517	-	-
2025-05-27	BUY	unknown	株式会社ネクストフィールド Next Field Co., Ltd.	activist	5.5M	¥517	-	-
2024-11-22	SELL	unknown	次原悦子 ETSUKO TSUGIHARA	activist	1.2M	¥557	-135.0%	¥2.5B ($16.1M)
2024-11-22	BUY	unknown	株式会社ネクストフィールド Next Field Co., Ltd.	activist	5.5M	¥557	+135.0%	¥2.5B ($16.1M)
2024-05-31	SELL	unknown	次原悦子 ETSUKO TSUGIHARA	activist	5.7M	¥686	-90.8%	¥99M ($639K)
2024-05-31	SELL	unknown	株式会社ネクストフィールド Next Field Co., Ltd.	activist	992.0K	¥686	-90.8%	¥14M ($87K)

Frequently asked questions

Who has been buying Sunny Side Up Group, Inc. stock?: 4 distinct investors have filed 1 disclosed large-shareholding filings in Sunny Side Up Group, Inc. (2180), most recently on 2026-05-14. 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 Sunny Side Up Group, Inc. have?: Sunny Side Up Group, Inc. has 1 buy-side and 4 sell-side disclosures on record, covering ¥2.5B ($16.1M) in total reported value, spanning 2024-05-31 to 2026-05-14.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.