Who has been buying Nxera Pharma Co., Ltd. stock?

33 distinct investors have filed 72 disclosed large-shareholding filings in Nxera Pharma Co., Ltd. (4565), most recently on 2026-05-12. 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 Nxera Pharma Co., Ltd. have?

Nxera Pharma Co., Ltd. has 72 buy-side and 96 sell-side disclosures on record, covering ¥55.1B ($355.3M) in total reported value, spanning 2021-09-21 to 2026-05-12.

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.

Nxera Pharma Co., Ltd. 4565

Company

ネクセラファーマ株式会社Nxera Pharma Co., Ltd.

Investors

Buys

Total Value

¥55.1B ($355.3M)

Avg Return

-33.06%

Last Filing

2026-05-12

Nxera Pharma Co., Ltd. (4565) has 72 disclosed large-shareholding filings and 96 disclosed disposals on record, filed by 33 distinct investors. Together those filings cover ¥55.1B ($355.3M) in reported transaction value. The earliest filing StockDrifts holds for Nxera Pharma Co., Ltd. is dated 2021-09-21; the most recent is 2026-05-12. Across these filings the average return since disclosure is -33.06%, 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
2026-09-25	SELL	unknown	ゴールドマン・サックス・インターナショナル Goldman Sachs International	other	3.1M	¥1,260	+0.0%	¥2.1B ($13.6M)
2026-09-25	BUY	Market Buy	ゴールドマン・サックス証券株式会社	other	17.7K	¥1,260	+0.0%	¥12M ($75K)
2026-09-07	BUY	unknown	ゴールドマン・サックス・アンド・カンパニー・エルエルシー Goldman Sachs & Co. LLC	other	13.2K	¥1,168	+7.9%	¥15M ($100K)
2026-09-07	BUY	unknown	ゴールドマン・サックス・インターナショナル Goldman Sachs International	other	4.8M	¥1,168	+7.9%	¥5.6B ($36.3M)
2026-09-07	BUY	unknown	ゴールドマン・サックス証券株式会社	other	7.9K	¥1,168	+7.9%	¥9M ($60K)
2026-08-21	BUY	subscription	みずほ証券株式会社	other	3.1M	¥1,103	+14.2%	¥501M ($3.2M)
2026-08-21	SELL	unknown	みずほ信託銀行株式会社	other	1.2M	¥1,103	-14.2%	¥20M ($132K)
2026-08-21	BUY	unknown	みずほインターナショナル Mizuho International plc	other	0	¥1,103	-	-
2026-08-21	BUY	Market Buy	アセットマネジメントOne株式会社	other	2.0M	¥1,103	+14.2%	¥572M ($3.7M)
2026-05-22	BUY	unknown	みずほインターナショナル Mizuho International plc	other	0	¥1,125	-	-
2026-05-22	BUY	subscription	みずほ証券株式会社	other	2.6M	¥1,125	+12.0%	¥114M ($732K)
2026-05-22	BUY	Market Buy	みずほ信託銀行株式会社	other	1.2M	¥1,125	+12.0%	¥31M ($200K)
2026-05-22	SELL	unknown	アセットマネジメントOne株式会社	other	1.4M	¥1,125	-12.0%	¥72M ($466K)
2026-05-12	BUY	unknown	みずほ信託銀行株式会社	other	1.2M	¥1,212	+4.0%	¥1.5B ($9.7M)
2026-05-12	BUY	subscription	みずほ証券株式会社	other	2.6M	¥1,212	+4.0%	¥3.1B ($20.3M)
2026-05-12	BUY	unknown	アセットマネジメントOne株式会社	other	1.5M	¥1,212	+4.0%	¥1.9B ($11.9M)
2026-05-12	BUY	unknown	みずほインターナショナル Mizuho International plc	other	0	¥1,212	+4.0%	-
2026-04-30	BUY	Market Buy	五味大輔 Gomi Daisuke	passive	10.6M	¥971	+29.8%	¥905M ($5.8M)
2026-04-22	SELL	subscription	みずほ証券株式会社	other	2.6M	¥1,008	-25.0%	¥830M ($5.4M)
2026-04-22	SELL	unknown	アセットマネジメントOne株式会社	other	1.5M	¥1,008	-25.0%	¥100M ($647K)
2026-04-22	BUY	unknown	みずほインターナショナル Mizuho International plc	other	0	¥1,008	-	-
2026-01-22	BUY	unknown	みずほインターナショナル Mizuho International plc	other	0	¥815	-	-
2026-01-22	BUY	unknown	みずほ証券株式会社	other	3.5M	¥815	+54.6%	¥487M ($3.1M)
2026-01-22	SELL	unknown	アセットマネジメントOne株式会社	other	1.6M	¥815	-54.6%	¥546M ($3.5M)
2025-12-04	BUY	Market Buy	五味大輔 Gomi Daisuke	passive	9.6M	¥819	+53.9%	¥845M ($5.5M)
2025-06-25	SELL	Market Buy	タイヨウ・パシフィック・パートナーズ・エルピー (Taiyo Pacific Partners L.P.) Taiyo Pacific Partners L.P.	activist	4.3M	¥906	-39.1%	¥869M ($5.6M)
2025-02-26	BUY	Market Buy	五味大輔 Gomi Daisuke	passive	8.5M	¥883	+42.7%	¥881M ($5.7M)
2025-02-18	SELL	Market Buy	タイヨウ・パシフィック・パートナーズ・エルピー (Taiyo Pacific Partners L.P.) Taiyo Pacific Partners L.P.	activist	5.3M	¥887	-42.0%	¥853M ($5.5M)
2025-01-28	SELL	Market Buy	タイヨウ・パシフィック・パートナーズ・エルピー (Taiyo Pacific Partners L.P.) Taiyo Pacific Partners L.P.	activist	6.2M	¥1,004	-25.5%	¥1.1B ($6.9M)
2024-08-16	BUY	Market Buy	タイヨウ・パシフィック・パートナーズ・エルピー (Taiyo Pacific Partners L.P.) Taiyo Pacific Partners L.P.	activist	7.3M	¥1,648	-23.5%	¥1.5B ($9.6M)
2024-08-06	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	81.7K	¥1,454	+13.3%	¥39M ($253K)
2024-08-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	724.7K	¥1,454	+13.3%	¥2.4B ($15.7M)
2024-08-06	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	3.0M	¥1,454	-13.3%	¥418M ($2.7M)
2024-07-18	BUY	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.7M	¥1,634	-22.9%	¥118M ($758K)
2024-07-18	SELL	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	108.7K	¥1,634	+22.9%	¥1.3B ($8.3M)
2024-07-18	SELL	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	2.4M	¥1,634	+22.9%	¥294M ($1.9M)
2024-06-20	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	8.9K	¥1,519	-	-
2024-06-20	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	2.6M	¥1,519	+17.1%	¥860M ($5.6M)
2024-06-20	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.6M	¥1,519	-17.1%	¥642M ($4.1M)
2024-06-07	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	2.9M	¥1,514	+16.8%	¥776M ($5.0M)
2024-06-07	BUY	unknown	みずほインターナショナル Mizuho International plc	other	0	¥1,514	-	-
2024-06-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	2.3M	¥1,514	-16.8%	¥871M ($5.6M)
2024-06-05	BUY	unknown	ジェー・ピー・モルガン・プライム・インク J.P. Morgan Prime Inc.	other	322.1K	¥1,496	-15.8%	¥13M ($87K)
2024-06-05	BUY	unknown	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	7.4K	¥1,496	-15.8%	¥377M ($2.4M)
2024-06-05	SELL	unknown	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	1.6M	¥1,496	+15.8%	¥81M ($521K)
2024-06-05	BUY	unknown	ジェー・ピー・モルガン・セキュリティーズ・エルエルシー J.P. Morgan Securities LLC	other	2.3M	¥1,496	-15.8%	¥296M ($1.9M)
2024-04-19	BUY	unknown	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	640.6K	¥1,450	-13.1%	¥929M ($6.0M)
2024-04-19	BUY	unknown	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	1.7M	¥1,450	-13.1%	¥2.4B ($15.5M)
2024-04-19	BUY	unknown	ジェー・ピー・モルガン・セキュリティーズ・エルエルシー J.P. Morgan Securities LLC	other	2.1M	¥1,450	-13.1%	¥3.0B ($19.5M)
2024-04-19	BUY	unknown	ジェー・ピー・モルガン・プライム・インク J.P. Morgan Prime Inc.	other	312.2K	¥1,450	-13.1%	¥453M ($2.9M)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Nxera Pharma Co., Ltd. stock?: 33 distinct investors have filed 72 disclosed large-shareholding filings in Nxera Pharma Co., Ltd. (4565), most recently on 2026-05-12. 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 Nxera Pharma Co., Ltd. have?: Nxera Pharma Co., Ltd. has 72 buy-side and 96 sell-side disclosures on record, covering ¥55.1B ($355.3M) in total reported value, spanning 2021-09-21 to 2026-05-12.
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.