Who has been buying Allied Architects, Inc. stock?

9 distinct investors have filed 23 disclosed large-shareholding filings in Allied Architects, Inc. (6081), most recently on 2026-05-13. 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 Allied Architects, Inc. have?

Allied Architects, Inc. has 23 buy-side and 37 sell-side disclosures on record, covering ¥4.8B ($30.9M) in total reported value, spanning 2021-06-07 to 2026-05-13.

Where does StockDrifts get Allied Architects, Inc. 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.

Allied Architects, Inc. 6081

Company

アライドアーキテクツ株式会社Allied Architects, Inc.

Investors

Buys

Total Value

¥4.8B ($30.9M)

Avg Return

-42.05%

Last Filing

2026-05-13

Allied Architects, Inc. (6081) has 23 disclosed large-shareholding filings and 37 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥4.8B ($30.9M) in reported transaction value. The earliest filing StockDrifts holds for Allied Architects, Inc. is dated 2021-06-07; the most recent is 2026-05-13. 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 -42.05%, 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
2026-07-16	BUY	subscription	マッコーリーバンクリミテッド (Macquarie Bank Limited) Macquarie Bank Limited	passive	8.9M	¥164	+0.0%	¥31M ($200K)
2026-07-16	SELL	subscription	マッコーリーバンクリミテッド (Macquarie Bank Limited) Macquarie Bank Limited	passive	8.9M	¥164	+0.0%	¥31M ($200K)
2026-06-26	BUY	subscription	マッコーリーバンクリミテッド (Macquarie Bank Limited) Macquarie Bank Limited	passive	9.2M	¥152	+4.0%	¥17M ($107K)
2026-06-26	SELL	subscription	マッコーリーバンクリミテッド (Macquarie Bank Limited) Macquarie Bank Limited	passive	9.2M	¥152	-4.0%	¥17M ($107K)
2026-06-10	SELL	subscription	マッコーリーバンクリミテッド (Macquarie Bank Limited) Macquarie Bank Limited	passive	9.3M	¥155	-1.3%	¥37M ($241K)
2026-05-20	BUY	Market Buy	ディファイ・ディベロップメント・コープ(DeFi Development Corp.) DeFi Development Corp.	passive	1.5M	¥214	-27.1%	¥321M ($2.1M)
2026-05-19	SELL	subscription	マッコーリーバンクリミテッド (Macquarie Bank Limited) Macquarie Bank Limited	passive	9.7M	¥221	+29.4%	¥46M ($295K)
2026-05-13	BUY	subscription	マッコーリーバンクリミテッド (Macquarie Bank Limited) Macquarie Bank Limited	passive	9.8M	¥243	-28.8%	¥2.4B ($15.3M)
2026-01-21	SELL	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	unknown	0	¥345	+14.2%	¥310M ($2.0M)
2026-01-05	SELL	negotiated	合同会社MNカンパニー	strategic	250.0K	¥201	-47.3%	¥74M ($477K)
2026-01-05	SELL	negotiated	中村壮秀	activist	5.0M	¥201	-47.3%	¥1.5B ($9.5M)
2026-01-05	SELL	negotiated	合同会社MNカンパニー	strategic	250.0K	¥201	-47.3%	¥74M ($477K)
2026-01-05	SELL	negotiated	中村壮秀	activist	5.0M	¥201	-47.3%	¥1.5B ($9.5M)
2025-12-19	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	unknown	0	¥204	-45.1%	-
2025-12-19	SELL	unknown	三井住友信託銀行株式会社	other	900.0K	¥204	-45.1%	¥266M ($1.7M)
2025-10-22	BUY	negotiated	合同会社MNカンパニー MN Company LLC	strategic	250.0K	¥215	+37.7%	¥54M ($347K)
2025-10-22	BUY	negotiated	合同会社MNカンパニー MN Company LLC	strategic	250.0K	¥215	+37.7%	¥54M ($347K)
2025-10-22	SELL	negotiated	中村壮秀 Nakamura, Masahide	activist	5.0M	¥215	-37.7%	¥2M ($14K)
2025-10-22	SELL	negotiated	中村壮秀 Nakamura, Masahide	activist	5.0M	¥215	-37.7%	¥2M ($14K)
2024-08-06	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	582.3K	¥157	+88.5%	¥90M ($583K)
2024-08-06	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	0	¥157	+88.5%	-
2024-07-05	BUY	unknown	ノムラインターナショナルピーエルシー(NOMURA INTERNATIONAL PLC) NOMURA INTERNATIONAL PLC	other	753.1K	¥246	+20.3%	¥185M ($1.2M)
2024-03-26	SELL	Market Buy	ベルインベストメンツ株式会社 Bell Investments Inc.	passive	536.8K	¥280	-5.7%	¥49M ($319K)
2024-02-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	unknown	0	¥277	-6.9%	¥329M ($2.1M)
2024-02-07	BUY	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.2M	¥285	+3.9%	¥51M ($327K)
2024-02-01	BUY	Market Buy	ベルインベストメンツ株式会社 Bell Investments Inc.	passive	713.4K	¥310	-4.5%	¥221M ($1.4M)
2024-02-01	BUY	Market Buy	ベルインベストメンツ株式会社 Bell Investments Inc.	passive	713.4K	¥310	-4.5%	¥221M ($1.4M)
2024-01-18	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	-55.7K	¥411	+28.0%	¥199M ($1.3M)
2024-01-18	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	439.4K	¥411	-28.0%	¥57M ($370K)
2024-01-09	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	429.5K	¥454	-34.8%	¥191M ($1.2M)
2024-01-09	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	299.4K	¥454	-34.8%	¥136M ($876K)
2023-12-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	743.3K	¥456	-35.1%	¥339M ($2.2M)
2023-12-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	200	¥456	-35.1%	¥91K ($588)
2023-10-30	SELL	negotiated	合同会社MNカンパニー MN Company LLC	activist	250.0K	¥296	+0.0%	¥422K ($3K)
2023-10-30	SELL	negotiated	中村壮秀 Nakamura, Masahide	activist	5.0M	¥296	+0.0%	¥5M ($33K)
2023-08-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.0M	¥399	+25.8%	¥74M ($477K)
2023-06-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.2M	¥417	+29.0%	¥66M ($425K)
2023-03-29	BUY	negotiated	合同会社MNカンパニー MN Company LLC	activist	250.0K	¥717	-58.7%	¥179M ($1.2M)
2023-03-29	SELL	negotiated	中村壮秀 Nakamura, Masahide	activist	5.0M	¥717	+58.7%	¥3M ($20K)
2023-03-29	SELL	negotiated	中村壮秀 Nakamura, Masahide	activist	5.0M	¥717	+58.7%	¥3M ($20K)
2023-03-29	BUY	negotiated	合同会社MNカンパニー MN Company LLC	activist	250.0K	¥717	-58.7%	¥179M ($1.2M)
2023-03-29	BUY	negotiated	合同会社MNカンパニー MN Company LLC	activist	250.0K	¥717	-58.7%	¥179M ($1.2M)
2023-03-29	SELL	negotiated	中村壮秀 Nakamura, Masahide	activist	5.0M	¥717	+58.7%	¥3M ($20K)
2022-11-29	BUY	negotiated	合同会社MNカンパニー MN Company LLC	activist	250.0K	¥1,404	-78.9%	¥6M ($39K)
2022-11-29	BUY	negotiated	合同会社MNカンパニー MN Company LLC	activist	250.0K	¥1,404	-78.9%	¥6M ($39K)
2022-11-29	BUY	negotiated	中村壮秀 Nakamura, Masahide	activist	5.0M	¥1,404	-78.9%	¥7.0B ($45.2M)
2022-11-29	BUY	negotiated	中村壮秀 Nakamura, Masahide	activist	5.0M	¥1,404	-78.9%	¥7.0B ($45.2M)
2022-11-28	BUY	negotiated	合同会社MNカンパニー MN Company LLC	activist	250.0K	¥1,343	-78.0%	¥336M ($2.2M)
2022-11-28	BUY	negotiated	中村壮秀 Nakamura, Masahide	activist	5.0M	¥1,343	-78.0%	¥6.7B ($43.5M)
2022-11-07	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	140.0K	¥1,038	-71.5%	¥145M ($938K)

Showing the 50 most recent of 80 filings.

Frequently asked questions

Who has been buying Allied Architects, Inc. stock?: 9 distinct investors have filed 23 disclosed large-shareholding filings in Allied Architects, Inc. (6081), most recently on 2026-05-13. 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 Allied Architects, Inc. have?: Allied Architects, Inc. has 23 buy-side and 37 sell-side disclosures on record, covering ¥4.8B ($30.9M) in total reported value, spanning 2021-06-07 to 2026-05-13.
Where does StockDrifts get Allied Architects, Inc. 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 Allied Architects, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.