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

12 distinct investors have filed 21 disclosed large-shareholding filings in Sunwels Co.,Ltd. (9229), most recently on 2026-02-20. 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 Sunwels Co.,Ltd. have?

Sunwels Co.,Ltd. has 21 buy-side and 10 sell-side disclosures on record, covering ¥13.6B ($87.7M) in total reported value, spanning 2022-06-30 to 2026-02-20.

Where does StockDrifts get Sunwels 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.

Sunwels Co.,Ltd. 9229

Company

株式会社サンウェルズSunwels Co.,Ltd.

Investors

Buys

Total Value

¥13.6B ($87.7M)

Avg Return

-63.93%

Last Filing

2026-02-20

Sunwels Co.,Ltd. (9229) has 21 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 12 distinct investors. Together those filings cover ¥13.6B ($87.7M) in reported transaction value. The earliest filing StockDrifts holds for Sunwels Co.,Ltd. is dated 2022-06-30; the most recent is 2026-02-20. 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 -63.93%, 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
2026-07-07	BUY	unknown	BofA証券株式会社	other	49	¥163	-26.4%	¥8K ($52)
2026-07-07	SELL	unknown	メリルリンチ・インターナショナル Merrill Lynch International	other	896.0K	¥163	+26.4%	¥178M ($1.1M)
2026-07-07	SELL	unknown	ビーオブエー・セキュリティーズ・インク BofA Securities Inc.	unknown	0	¥163	+26.4%	¥574K ($4K)
2026-07-07	BUY	unknown	ビーオブエー・セキュリティーズ・ヨーロッパ・エスエイ BofA Securities Europe SA	other	28	¥163	-26.4%	¥5K ($29)
2026-02-20	SELL	Market Buy	UBS Europe SE	other	0	¥274	+9.9%	-
2026-02-20	BUY	Market Buy	UBS証券株式会社	other	382.4K	¥274	+9.9%	¥94M ($609K)
2026-02-20	BUY	Market Buy	ユービーエス・エイ・ジー(銀行)	other	1.4M	¥274	-9.9%	¥338M ($2.2M)
2025-12-22	BUY	unknown	UBS Europe SE	other	54.6K	¥335	+26.3%	¥13M ($87K)
2025-12-22	BUY	unknown	UBS証券株式会社	other	382.4K	¥335	-26.3%	¥94M ($609K)
2025-12-22	SELL	unknown	ユービーエス・エイ・ジー(銀行)	other	1.3M	¥335	+26.3%	¥331M ($2.1M)
2025-10-06	BUY	unknown	株式会社杏 An Co., Ltd.	activist	13.5M	¥656	-62.4%	¥8.9B ($57.1M)
2025-10-06	BUY	unknown	苗代亮達 Ryoutatsu Nawashiro	activist	3.9M	¥656	-62.4%	¥2.6B ($16.5M)
2025-06-20	BUY	unknown	UBS証券株式会社 UBS Securities Co., Ltd.	other	229.4K	¥580	-57.4%	¥6M ($40K)
2025-06-20	SELL	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	1.6M	¥580	+57.4%	¥221M ($1.4M)
2025-04-22	BUY	Market Buy	UBS証券株式会社 UBS Securities Co., Ltd.	other	220.0K	¥556	-55.6%	¥122M ($789K)
2025-04-22	BUY	Market Buy	ユービーエス・エイ・ジー(銀行) UBS AG	other	2.0M	¥556	-55.6%	¥102M ($657K)
2025-04-07	BUY	unknown	メリルリンチ・インターナショナル Merrill Lynch International	other	2.0M	¥486	-49.2%	¥965M ($6.2M)
2025-04-07	BUY	unknown	ビーオブエー・セキュリティーズ・ヨーロッパ・エスエイ BofA Securities Europe SA	other	28	¥486	-49.2%	¥14K ($88)
2025-04-07	BUY	unknown	ビーオブエー・セキュリティーズ・インク BofA Securities Inc.	other	4.5K	¥486	-49.2%	¥2M ($14K)
2025-04-07	BUY	unknown	BofA証券株式会社 BofA Securities Japan Co Ltd	other	29	¥486	-49.2%	¥14K ($91)
2025-02-21	SELL	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	1.8M	¥722	+65.8%	¥257M ($1.7M)
2025-02-14	BUY	unknown	株式会社杏 An Co., Ltd.	activist	13.5M	¥556	-55.6%	¥7.5B ($48.4M)
2025-02-14	BUY	unknown	苗代亮達 Ryoutatsu Nawashiro	activist	3.9M	¥556	-55.6%	¥2.2B ($14.0M)
2025-02-07	SELL	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	2.2M	¥675	+63.4%	¥599M ($3.9M)
2025-01-24	BUY	unknown	株式会社杏 An Co., Ltd.	activist	13.5M	¥601	-58.9%	¥8.1B ($52.3M)
2025-01-24	BUY	unknown	苗代亮達 Ryoutatsu Nawashiro	activist	3.9M	¥601	-58.9%	¥2.3B ($15.1M)
2025-01-22	BUY	Market Buy	ユービーエス・エイ・ジー(銀行) UBS AG	other	3.0M	¥593	-58.4%	¥246M ($1.6M)
2025-01-10	BUY	Market Buy	ユービーエス・エイ・ジー(銀行) UBS AG	other	2.6M	¥690	-64.2%	¥454M ($2.9M)
2025-01-10	SELL	Market Buy	UBS証券株式会社 UBS Securities Co., Ltd.	other	1.7K	¥690	+64.2%	¥122M ($784K)
2024-12-06	BUY	unknown	UBS証券株式会社 UBS Securities Co., Ltd.	other	177.3K	¥852	-71.0%	¥151M ($975K)
2024-12-06	BUY	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	2.0M	¥852	-71.0%	¥1.7B ($10.9M)
2024-12-06	SELL	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	969.9K	¥852	+71.0%	¥1.1B ($6.9M)
2024-10-22	BUY	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	2.2M	¥1,656	-85.1%	¥3.7B ($23.8M)
2024-09-24	BUY	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.1M	¥1,866	-86.8%	¥2.0B ($13.0M)
2024-09-24	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	214.0K	¥1,866	-86.8%	¥191M ($1.2M)
2024-08-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.7M	¥2,600	-90.5%	¥4.5B ($29.2M)
2024-08-22	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	114.2K	¥2,600	-90.5%	¥297M ($1.9M)
2024-08-16	BUY	unknown	株式会社杏 An Co., Ltd.	activist	13.5M	¥2,560	-90.3%	¥34.6B ($223.0M)
2024-08-16	SELL	unknown	苗代亮達 Ryoutatsu Nawashiro	activist	3.9M	¥2,560	+90.3%	¥1.3B ($8.1M)
2024-07-12	BUY	unknown	株式会社杏 An Co., Ltd.	activist	13.5M	¥2,626	-90.6%	¥35.5B ($228.7M)
2024-07-12	SELL	unknown	苗代亮達 Ryoutatsu Nawashiro	activist	4.4M	¥2,626	+90.6%	¥3.9B ($25.4M)
2024-01-29	BUY	unknown	苗代亮達 Ryoutatsu Nawashiro	activist	5.9M	¥2,320	-89.3%	¥13.7B ($88.3M)
2024-01-29	BUY	unknown	株式会社杏 An Co., Ltd.	activist	13.5M	¥2,320	-89.3%	¥31.3B ($202.1M)
2024-01-12	BUY	unknown	株式会社杏 An Co., Ltd.	activist	13.5M	¥2,450	-89.9%	¥33.1B ($213.4M)
2024-01-12	BUY	unknown	苗代亮達 Ryoutatsu Nawashiro	activist	5.9M	¥2,450	-89.9%	¥14.5B ($93.2M)
2024-01-05	BUY	unknown	株式会社杏 An Co., Ltd.	activist	13.5M	¥2,447	-89.9%	¥33.0B ($213.1M)
2024-01-05	BUY	unknown	苗代亮達 Ryoutatsu Nawashiro	activist	5.9M	¥2,447	-89.9%	¥14.4B ($93.1M)
2023-09-08	BUY	unknown	株式会社杏 An Co., Ltd.	activist	4.5M	¥2,611	-90.5%	¥11.7B ($75.8M)
2023-09-08	BUY	unknown	株式会社杏 An Co., Ltd.	activist	4.5M	¥2,611	-90.5%	¥11.7B ($75.8M)
2023-09-08	BUY	unknown	苗代亮達 Ryoutatsu Nawashiro	activist	2.1M	¥2,611	-90.5%	¥5.4B ($34.8M)

Showing the 50 most recent of 55 filings.

Frequently asked questions

Who has been buying Sunwels Co.,Ltd. stock?: 12 distinct investors have filed 21 disclosed large-shareholding filings in Sunwels Co.,Ltd. (9229), most recently on 2026-02-20. 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 Sunwels Co.,Ltd. have?: Sunwels Co.,Ltd. has 21 buy-side and 10 sell-side disclosures on record, covering ¥13.6B ($87.7M) in total reported value, spanning 2022-06-30 to 2026-02-20.
Where does StockDrifts get Sunwels 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 Sunwels Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.