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

22 distinct investors have filed 28 disclosed large-shareholding filings in Niterra Co., Ltd. (5334), most recently on 2026-03-05. 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 Niterra Co., Ltd. have?

Niterra Co., Ltd. has 28 buy-side and 25 sell-side disclosures on record, covering ¥139.2B ($897.9M) in total reported value, spanning 2021-04-21 to 2026-03-05.

Where does StockDrifts get Niterra 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.

Niterra Co., Ltd. 5334

Company

日本特殊陶業株式会社Niterra Co., Ltd.

Investors

Buys

Total Value

¥139.2B ($897.9M)

Avg Return

+251.33%

Last Filing

2026-03-05

Niterra Co., Ltd. (5334) has 28 disclosed large-shareholding filings and 25 disclosed disposals on record, filed by 22 distinct investors. Together those filings cover ¥139.2B ($897.9M) in reported transaction value. The earliest filing StockDrifts holds for Niterra Co., Ltd. is dated 2021-04-21; the most recent is 2026-03-05. 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 +251.33%, 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
2026-08-06	BUY	unknown	野村アセットマネジメント株式会社	other	8.7M	¥9,770	-0.4%	¥84.6B ($545.5M)
2026-08-06	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	434.3K	¥9,770	-0.4%	¥4.2B ($27.4M)
2026-08-06	BUY	unknown	野村證券株式会社	other	888.3K	¥9,770	-0.4%	¥8.7B ($56.0M)
2026-03-05	SELL	Market Buy	第一生命保険株式会社 The Dai-ichi Life Insurance Company, Limited	passive	12.6M	¥7,448	-13.2%	¥17.8B ($114.9M)
2026-02-12	BUY	Market Buy	バリューアクト・ストラテジック・グローバル・マスター・ファンド・エルピー(ValueAct Strategic Global Master Fund	activist	512.8K	¥6,757	+24.7%	¥4.3B ($27.9M)
2026-02-12	BUY	Market Buy	バリューアクト・ストラテジック・マスター・ファンド・ファイブ・エルピー(ValueAct Strategic Master Fund V	activist	3.0M	¥6,757	+24.7%	¥25.3B ($163.1M)
2026-02-12	BUY	Market Buy	バリューアクト・ジャパン・マスター・ファンド・エルピー(ValueAct Japan Master Fund	activist	7.0M	¥6,757	+24.7%	¥58.8B ($379.6M)
2026-02-12	BUY	Market Buy	バリューアクト・キャピタル・マネジメント・エルピー(ValueAct Capital Management	activist	0	¥6,757	+24.7%	-
2026-02-12	BUY	acquisition	バリューアクト・ストラテジック・グローバル・マスター・ファンド・エルピー(ValueAct Strategic Global Master Fund	activist	512.8K	¥6,757	+24.7%	¥4.3B ($27.9M)
2026-02-12	BUY	acquisition	バリューアクト・ストラテジック・マスター・ファンド・ファイブ・エルピー(ValueAct Strategic Master Fund V	activist	3.0M	¥6,757	+24.7%	¥25.3B ($163.1M)
2026-02-12	BUY	acquisition	バリューアクト・ジャパン・マスター・ファンド・エルピー(ValueAct Japan Master Fund	activist	7.0M	¥6,757	+24.7%	¥58.8B ($379.6M)
2026-02-12	BUY	acquisition	バリューアクト・キャピタル・マネジメント・エルピー(ValueAct Capital Management	activist	0	¥6,757	+24.7%	-
2023-06-05	BUY	negotiated	エム・ユー投資顧問株式会社 M.U. Investment Advisors Co., Ltd.	passive	282.5K	¥2,647	+218.4%	¥748M ($4.8M)
2023-06-05	SELL	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.3M	¥2,647	-218.4%	¥108M ($697K)
2023-06-05	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	5.3M	¥2,647	-218.4%	¥2.8B ($18.1M)
2023-06-05	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.9M	¥2,647	-218.4%	¥2.6B ($16.7M)
2023-01-10	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	272.1K	¥2,438	+245.7%	¥663M ($4.3M)
2023-01-10	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	7.5M	¥2,438	+245.7%	¥18.2B ($117.2M)
2023-01-10	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	323.1K	¥2,438	-245.7%	¥149M ($963K)
2022-11-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	10.0M	¥2,654	+217.6%	¥26.3B ($169.6M)
2022-11-21	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	186.0K	¥2,654	-217.6%	¥325M ($2.1M)
2022-11-21	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	383.6K	¥2,654	-217.6%	¥650M ($4.2M)
2022-05-06	BUY	negotiated	エム・ユー投資顧問株式会社 M.U. Investment Advisors Co., Ltd.	passive	286.1K	¥2,290	+268.0%	¥655M ($4.2M)
2022-05-06	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	64.7K	¥2,290	+268.0%	¥10.3B ($66.7M)
2022-05-06	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.4M	¥2,290	+268.0%	¥94M ($603K)
2022-05-06	SELL	negotiated	MUFGセキュリティーズEMEA MUFG Securities EMEA plc	unknown	0	¥2,290	-268.0%	¥2.3B ($14.8M)
2022-05-06	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	2.9M	¥2,290	+268.0%	¥6.7B ($43.1M)
2022-05-06	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	6.4M	¥2,290	+268.0%	¥14.6B ($94.3M)
2022-04-18	SELL	negotiated	エム・ユー投資顧問株式会社 M.U. Investment Advisors Co., Ltd.	passive	286.1K	¥1,908	-341.7%	¥39M ($251K)
2022-04-18	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	1.6M	¥1,908	+341.7%	¥3.1B ($19.8M)
2022-04-18	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.3M	¥1,908	+341.7%	¥39M ($251K)
2022-04-18	BUY	negotiated	MUFGセキュリティーズEMEA MUFG Securities EMEA plc	other	1.0M	¥1,908	+341.7%	¥1.9B ($12.3M)
2022-04-18	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	6.4M	¥1,908	-341.7%	¥78M ($503K)
2022-04-18	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	2.9M	¥1,908	+341.7%	¥5.6B ($35.9M)
2022-03-22	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	2.9M	¥1,989	-323.7%	¥2.9B ($18.9M)
2022-03-22	SELL	negotiated	エム・ユー投資顧問株式会社 M.U. Investment Advisors Co., Ltd.	passive	308.9K	¥1,989	-323.7%	¥162M ($1.0M)
2022-03-22	SELL	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	162.0K	¥1,989	-323.7%	¥122M ($786K)
2022-03-22	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.3M	¥1,989	+323.7%	¥244M ($1.6M)
2022-03-22	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	6.4M	¥1,989	-323.7%	¥3.8B ($24.6M)
2021-12-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	11.9M	¥1,959	+330.2%	¥4.0B ($25.8M)
2021-12-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	636.8K	¥1,959	+330.2%	¥1.2B ($8.0M)
2021-12-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	309.2K	¥1,959	-330.2%	¥1.2B ($7.7M)
2021-11-15	BUY	negotiated	エム・ユー投資顧問株式会社 M.U. Investment Advisors Co., Ltd.	passive	389.6K	¥1,937	+335.1%	¥755M ($4.9M)
2021-11-15	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	230.6K	¥1,937	+335.1%	¥447M ($2.9M)
2021-11-15	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.2M	¥1,937	+335.1%	¥158M ($1.0M)
2021-11-15	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	8.3M	¥1,937	-335.1%	¥4.3B ($27.6M)
2021-11-15	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	4.4M	¥1,937	+335.1%	¥8.5B ($54.7M)
2021-09-24	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	9.9M	¥1,799	+368.5%	¥17.8B ($114.8M)
2021-09-24	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	921.2K	¥1,799	+368.5%	¥1.7B ($10.7M)
2021-07-19	BUY	Market Buy	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.1M	¥1,603	+425.8%	¥360M ($2.3M)

Showing the 50 most recent of 68 filings.

Frequently asked questions

Who has been buying Niterra Co., Ltd. stock?: 22 distinct investors have filed 28 disclosed large-shareholding filings in Niterra Co., Ltd. (5334), most recently on 2026-03-05. 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 Niterra Co., Ltd. have?: Niterra Co., Ltd. has 28 buy-side and 25 sell-side disclosures on record, covering ¥139.2B ($897.9M) in total reported value, spanning 2021-04-21 to 2026-03-05.
Where does StockDrifts get Niterra 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 Niterra Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.