Who has been buying Anritsu Corporation stock?

22 distinct investors have filed 49 disclosed large-shareholding filings in Anritsu Corporation (6754), most recently on 2026-05-11. 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 Anritsu Corporation have?

Anritsu Corporation has 49 buy-side and 41 sell-side disclosures on record, covering ¥57.6B ($371.4M) in total reported value, spanning 2021-03-22 to 2026-05-11.

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.

Anritsu Corporation 6754

Company

アンリツ株式会社Anritsu Corporation

Investors

Buys

Total Value

¥57.6B ($371.4M)

Avg Return

+101.80%

Last Filing

2026-05-11

Anritsu Corporation (6754) has 49 disclosed large-shareholding filings and 41 disclosed disposals on record, filed by 22 distinct investors. Together those filings cover ¥57.6B ($371.4M) in reported transaction value. The earliest filing StockDrifts holds for Anritsu Corporation is dated 2021-03-22; the most recent is 2026-05-11. Across these filings the average return since disclosure is +101.80%, 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	野村アセットマネジメント株式会社	other	5.0M	¥3,213	+0.0%	¥437M ($2.8M)
2026-09-25	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	111.5K	¥3,213	+0.0%	¥4.6B ($29.6M)
2026-09-25	BUY	Market Buy	野村證券株式会社	other	1.5M	¥3,213	+0.0%	¥960M ($6.2M)
2026-08-21	BUY	Market Buy	野村證券株式会社	other	1.2M	¥3,315	-3.1%	¥1.5B ($9.9M)
2026-08-21	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	1.5M	¥3,315	-3.1%	¥1.9B ($12.2M)
2026-08-21	SELL	unknown	野村アセットマネジメント株式会社	other	5.1M	¥3,315	+3.1%	¥6.4B ($41.6M)
2026-06-04	BUY	unknown	三井住友信託銀行株式会社	other	2.0M	¥4,632	-	-
2026-06-04	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社	other	3.6M	¥4,632	-	-
2026-06-04	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	4.1M	¥4,632	+30.6%	¥6.5B ($42.2M)
2026-05-11	BUY	unknown	三井住友信託銀行株式会社	other	2.0M	¥4,142	-	-
2026-05-11	BUY	Market Buy	三井住友トラスト・アセットマネジメント株式会社	other	3.6M	¥4,142	-22.4%	¥56M ($363K)
2026-05-11	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	5.5M	¥4,142	+22.4%	¥7.3B ($47.2M)
2026-05-07	BUY	unknown	野村證券株式会社	other	762.6K	¥4,090	-	¥3.1B ($20.1M)
2026-05-07	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	971.1K	¥4,090	-21.4%	¥2.4B ($15.8M)
2026-05-07	BUY	Market Buy	野村アセットマネジメント株式会社	other	7.1M	¥4,090	-21.4%	¥1.9B ($12.2M)
2026-04-16	BUY	unknown	三井住友信託銀行株式会社	other	2.0M	¥3,374	-	-
2026-04-16	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社	other	3.6M	¥3,374	+4.8%	¥1.2B ($7.7M)
2026-04-16	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	7.3M	¥3,374	+4.8%	¥4.5B ($29.0M)
2025-11-18	BUY	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	2.4M	¥2,260.5	+42.1%	¥5.5B ($35.6M)
2025-11-18	BUY	Market Buy	ブラックロック(ルクセンブルグ)エス・エーS.A.) BlackRock (Luxembourg	passive	1.1M	¥2,260.5	+42.1%	¥2.4B ($15.6M)
2025-11-18	BUY	Market Buy	ブラックロック・アセット・マネジメント・アイルランド・リミテッド BlackRock Asset Management Ireland Limited	passive	336.0K	¥2,260.5	+42.1%	¥760M ($4.9M)
2025-11-18	BUY	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	1.8M	¥2,260.5	+42.1%	¥4.1B ($26.2M)
2025-11-18	BUY	Market Buy	ブラックロック・インスティテューショナル・トラスト・カンパニー、エヌ.エイ.(BlackRock Institutional Trust Company BlackRock Institutional Trust Company, N.A.	passive	1.2M	¥2,260.5	+42.1%	¥2.7B ($17.2M)
2025-09-05	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	2.0M	¥1,698	-	-
2025-09-05	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	3.9M	¥1,698	-89.2%	¥531M ($3.4M)
2025-09-05	SELL	unknown	アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd.	other	8.6M	¥1,698	-89.2%	¥484M ($3.1M)
2025-01-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	365.4K	¥1,337.5	+140.2%	¥489M ($3.2M)
2025-01-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	6.6M	¥1,337.5	+140.2%	¥8.8B ($56.9M)
2024-07-18	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	8.9M	¥1,259.5	+155.1%	¥1.8B ($11.6M)
2024-07-18	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	2.0M	¥1,259.5	-	-
2024-07-18	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	4.2M	¥1,259.5	-155.1%	¥736M ($4.7M)
2023-10-24	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	2.0M	¥994.6	-	-
2023-10-24	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	4.8M	¥994.6	-223.0%	¥203M ($1.3M)
2023-10-24	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	7.5M	¥994.6	+223.0%	¥95M ($610K)
2023-09-13	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	2.0M	¥1,099.5	-	-
2023-09-13	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	5.0M	¥1,099.5	+192.2%	¥45M ($289K)
2023-09-13	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	7.4M	¥1,099.5	+192.2%	¥105M ($675K)
2023-08-04	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	2.0M	¥1,033.5	-	-
2023-08-04	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	5.0M	¥1,033.5	+210.9%	¥239M ($1.5M)
2023-08-04	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	7.3M	¥1,033.5	+210.9%	¥1.3B ($8.4M)
2023-04-20	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	2.0M	¥1,222	-	-
2023-04-20	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	4.7M	¥1,222	-162.9%	¥66M ($428K)
2023-04-20	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	6.0M	¥1,222	-	-
2023-04-06	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	4.8M	¥1,201	+167.5%	¥16M ($105K)
2023-04-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	6.0M	¥1,201	+167.5%	¥294M ($1.9M)
2023-04-06	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	2.0M	¥1,201	-	-
2022-11-21	SELL	Market Buy	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	4.8M	¥1,511	-112.6%	¥719M ($4.6M)
2022-11-21	SELL	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	5.8M	¥1,511	-112.6%	¥226M ($1.5M)
2022-11-21	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	2.0M	¥1,511	+112.6%	¥41M ($265K)
2022-06-20	SELL	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	4.2M	¥1,428	-125.0%	¥2.4B ($15.4M)

Showing the 50 most recent of 123 filings.

Frequently asked questions

Who has been buying Anritsu Corporation stock?: 22 distinct investors have filed 49 disclosed large-shareholding filings in Anritsu Corporation (6754), most recently on 2026-05-11. 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 Anritsu Corporation have?: Anritsu Corporation has 49 buy-side and 41 sell-side disclosures on record, covering ¥57.6B ($371.4M) in total reported value, spanning 2021-03-22 to 2026-05-11.
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.