Who has been buying Institute for Q-shu Pioneers of Space, Inc stock?

13 distinct investors have filed 44 disclosed large-shareholding filings in Institute for Q-shu Pioneers of Space, Inc (5595), most recently on 2025-10-21. 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 Institute for Q-shu Pioneers of Space, Inc have?

Institute for Q-shu Pioneers of Space, Inc has 44 buy-side and 28 sell-side disclosures on record, covering ¥37.2B ($240.0M) in total reported value, spanning 2023-12-08 to 2025-10-21.

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.

Institute for Q-shu Pioneers of Space, Inc 5595

Company

株式会社QPS研究所Institute for Q-shu Pioneers of Space, Inc

Investors

Buys

Total Value

¥37.2B ($240.0M)

Avg Return

+44.88%

Last Filing

2025-10-21

Institute for Q-shu Pioneers of Space, Inc (5595) has 44 disclosed large-shareholding filings and 28 disclosed disposals on record, filed by 13 distinct investors. Together those filings cover ¥37.2B ($240.0M) in reported transaction value. The earliest filing StockDrifts holds for Institute for Q-shu Pioneers of Space, Inc is dated 2023-12-08; the most recent is 2025-10-21. Across these filings the average return since disclosure is +44.88%, 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
2025-10-21	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	328.1K	¥1,950	-11.0%	¥610M ($3.9M)
2025-10-21	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.0M	¥1,950	+11.0%	¥9M ($61K)
2025-10-21	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	19.7K	¥1,950	+11.0%	¥1.0B ($6.5M)
2025-09-18	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.0M	¥1,780	-2.5%	¥3.6B ($23.3M)
2025-09-18	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	539.4K	¥1,780	-2.5%	¥960M ($6.2M)
2025-09-18	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	13.1K	¥1,780	-2.5%	¥23M ($151K)
2025-08-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.0M	¥1,842	-5.8%	¥106M ($683K)
2025-08-21	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	-34	¥1,842	+5.8%	¥1.2B ($7.5M)
2025-08-21	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	82.4K	¥1,842	-	¥152M ($980K)
2025-07-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	626.1K	¥2,014	-13.8%	¥1.3B ($8.1M)
2025-07-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.9M	¥2,014	-13.8%	¥3.8B ($24.7M)
2025-06-19	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	20.2K	¥2,230	-22.1%	¥2.1B ($13.7M)
2025-06-19	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	242.8K	¥2,230	-22.1%	¥64M ($410K)
2025-06-19	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.1M	¥2,230	-22.1%	¥4.6B ($29.4M)
2025-04-28	SELL	unknown	市來敏光 Ichiki Toshimitsu	activist	2.0M	¥1,385	-25.3%	¥758M ($4.9M)
2025-04-22	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	1.1M	¥1,211	-43.4%	¥3.1B ($20.1M)
2025-04-10	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	3.9M	¥977	-77.7%	¥423M ($2.7M)
2025-04-09	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	4.4M	¥900	-92.9%	¥430M ($2.8M)
2025-04-04	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	5.1M	¥942	-84.3%	¥419M ($2.7M)
2025-03-28	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	5.7M	¥939	-84.9%	¥471M ($3.0M)
2025-03-26	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	5.9M	¥913	-90.1%	¥264M ($1.7M)
2025-03-24	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	6.3M	¥934	-85.9%	¥395M ($2.5M)
2025-03-14	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	6.8M	¥961	-80.7%	¥271M ($1.7M)
2025-03-10	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	7.2M	¥938	-85.1%	¥379M ($2.4M)
2025-03-03	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	7.7M	¥917	-89.3%	¥391M ($2.5M)
2025-02-21	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	8.3M	¥928	-87.1%	¥412M ($2.7M)
2025-02-19	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	8.9M	¥935	-85.7%	¥319M ($2.1M)
2025-02-19	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	9.1K	¥935	-85.7%	¥9.6B ($61.8M)
2025-02-19	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	169.3K	¥935	+85.7%	¥74M ($481K)
2025-02-19	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.1M	¥935	+85.7%	¥11M ($69K)
2025-02-14	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	9.6M	¥974	-78.2%	¥37M ($238K)
2025-02-06	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	110.7K	¥1,055	-64.5%	¥400M ($2.6M)
2025-02-06	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	92.2K	¥1,055	-	¥97M ($628K)
2025-02-06	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.1M	¥1,055	+64.5%	¥248M ($1.6M)
2025-02-06	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	passive	9.7M	¥1,055	+64.5%	¥10.3B ($66.1M)
2024-12-05	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	478.2K	¥1,269	+36.8%	¥576M ($3.7M)
2024-12-05	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	-800	¥1,269	-36.8%	¥231M ($1.5M)
2024-12-05	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	1.8M	¥1,269	+36.8%	¥161M ($1.0M)
2024-11-05	SELL	Market Buy	スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd.	passive	1.4M	¥1,594	-8.9%	¥904M ($5.8M)
2024-11-01	SELL	Market Buy	スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd.	passive	2.0M	¥1,595	-8.8%	¥910M ($5.9M)
2024-10-04	SELL	Market Buy	スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd.	passive	2.6M	¥1,638	-6.0%	¥709M ($4.6M)
2024-09-20	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	26.1K	¥1,466	+18.4%	¥38M ($247K)
2024-09-20	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	180.4K	¥1,466	+18.4%	¥264M ($1.7M)
2024-09-20	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.7M	¥1,466	+18.4%	¥2.4B ($15.8M)
2024-09-05	SELL	Market Buy	スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd.	passive	3.0M	¥1,518	-14.4%	¥1.8B ($11.4M)
2024-08-29	SELL	Market Buy	スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd.	passive	4.2M	¥1,506	-15.3%	¥845M ($5.5M)
2024-08-22	SELL	Market Buy	スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd.	passive	4.7M	¥1,502	-15.6%	¥656M ($4.2M)
2024-03-07	SELL	private	大西俊輔 Onishi Shunsuke	activist	4.1M	¥4,005	+56.6%	¥626M ($4.0M)
2024-01-29	BUY	Market Buy	リアルテックホールディングス株式会社 Real Tech Holdings Co.,Ltd.	passive	1.4M	¥1,519	-	-
2024-01-29	BUY	Market Buy	株式会社アイビス・キャピタル・パートナーズ ibis capital partners, Inc.	passive	1.4M	¥1,519	-	-

Showing the 50 most recent of 77 filings.

Frequently asked questions

Who has been buying Institute for Q-shu Pioneers of Space, Inc stock?: 13 distinct investors have filed 44 disclosed large-shareholding filings in Institute for Q-shu Pioneers of Space, Inc (5595), most recently on 2025-10-21. 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 Institute for Q-shu Pioneers of Space, Inc have?: Institute for Q-shu Pioneers of Space, Inc has 44 buy-side and 28 sell-side disclosures on record, covering ¥37.2B ($240.0M) in total reported value, spanning 2023-12-08 to 2025-10-21.
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.