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Nittoseiko Co.,Ltd. 5957

Company
日東精工株式会社Nittoseiko Co.,Ltd.
Investors
11
Buys
11
Total Value
¥1.8B ($11.5M)
Avg Return
+26.64%
Last Filing
2026-02-06

Nittoseiko Co.,Ltd. (5957) has 11 disclosed large-shareholding filings and 12 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥1.8B ($11.5M) in reported transaction value. The earliest filing StockDrifts holds for Nittoseiko Co.,Ltd. is dated 2021-08-03; the most recent is 2026-02-06. 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 +26.64%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-06-15BUYMarket Buy
三菱UFJアセットマネジメント株式会社
passive217.6K¥776+1.3%¥3M ($20K)
2026-06-15SELLMarket Buy
三菱UFJ信託銀行株式会社
passive1.1M¥776-1.3%¥90M ($581K)
2026-06-15SELLnegotiated
株式会社三菱UFJ銀行
strategic332.0K¥776-1.3%¥369M ($2.4M)
2026-02-06SELLunknown
SMBC日興証券株式会社
SMBC Nikko Securities Inc.
other1.6M¥738-4.2%¥767M ($4.9M)
2026-01-19BUYnegotiated
三菱UFJアセットマネジメント株式会社
passive210.7K¥748+2.8%¥162M ($1.0M)
2026-01-19SELLnegotiated
三菱UFJ信託銀行株式会社
passive1.3M¥748-2.8%¥971M ($6.3M)
2026-01-19SELLnegotiated
株式会社三菱UFJ銀行
strategic809.6K¥748-2.8%¥623M ($4.0M)
2025-12-05BUYunknown
三井住友DSアセットマネジメント株式会社
passive1.3M¥690+11.4%¥1.0B ($6.5M)
2025-12-05BUYunknown
SMBC日興証券株式会社
other1.3M¥690+11.4%¥991M ($6.4M)
2025-12-03BUYunknown
日東精工協友会 理事長 小澤 秀樹
NITTOSEIKO KYOYUKAI
strategic1.4M¥687+11.9%¥1.3B ($8.4M)
2025-12-03SELLunknown
日東精工協友会 理事長 小澤 秀樹
NITTOSEIKO KYOYUKAI
strategic1.4M¥687-11.9%¥1.3B ($8.4M)
2025-06-30BUYnegotiated
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive198.5K¥572+34.4%¥114M ($733K)
2025-06-30SELLnegotiated
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive1.4M¥572-34.4%¥160M ($1.0M)
2025-06-30SELLnegotiated
株式会社三菱UFJ銀行
Mitsubishi UFJ Financial Group Inc.
strategic1.1M¥572-34.4%¥153M ($989K)
2024-12-05BUYnegotiated
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other486.9K¥624+23.2%¥40M ($258K)
2024-12-05SELLnegotiated
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.
other680.9K¥624-23.2%¥25M ($161K)
2024-12-05SELLnegotiated
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic787.7K¥624-23.2%¥267M ($1.7M)
2024-11-18SELLMarket Buy
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive199.5K¥584-31.7%¥2M ($15K)
2024-11-18BUYMarket Buy
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive1.7M¥584+31.7%¥236M ($1.5M)
2024-11-18BUYMarket Buy
株式会社三菱UFJ銀行
Mitsubishi UFJ Financial Group Inc.
strategic1.3M¥584+31.7%¥787M ($5.1M)
2024-07-29BUYnegotiated
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive204.0K¥611+25.9%¥125M ($804K)
2024-07-29BUYnegotiated
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive1.3M¥611+25.9%¥22M ($142K)
2024-07-29BUYnegotiated
株式会社三菱UFJ銀行
Mitsubishi UFJ Financial Group Inc.
strategic1.3M¥611+25.9%¥823M ($5.3M)
2024-07-01SELLnegotiated
三菱UFJ不動産投資顧問株式会社
Mitsubishi UFJ Real Estate Investment Advisors Co., Ltd.
unknown0¥585-31.4%¥28M ($181K)
2024-07-01BUYnegotiated
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive203.3K¥585+31.4%¥70M ($453K)
2024-07-01BUYnegotiated
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive1.3M¥585+31.4%¥196M ($1.3M)
2024-07-01BUYnegotiated
株式会社三菱UFJ銀行
Mitsubishi UFJ Financial Group Inc.
strategic1.3M¥585+31.4%¥788M ($5.1M)
2023-10-05BUYnegotiated
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other423.2K¥572+34.4%¥110M ($708K)
2023-10-05BUYnegotiated
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.
other718.7K¥572+34.4%¥57M ($369K)
2023-10-05SELLnegotiated
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic1.2M¥572-34.4%¥240M ($1.5M)
2022-04-26BUYMarket Buy
日東精工協友会 理事長 小澤 秀樹
OZAWA HIDEKI
strategic3.3M¥497+54.7%¥211M ($1.4M)
2021-08-03SELLunknown
グンゼ株式会社
Gunze Limited
other1.6M¥648-18.7%¥285M ($1.8M)

Frequently asked questions

Who has been buying Nittoseiko Co.,Ltd. stock?
11 distinct investors have filed 11 disclosed large-shareholding filings in Nittoseiko Co.,Ltd. (5957), most recently on 2026-02-06. 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 Nittoseiko Co.,Ltd. have?
Nittoseiko Co.,Ltd. has 11 buy-side and 12 sell-side disclosures on record, covering ¥1.8B ($11.5M) in total reported value, spanning 2021-08-03 to 2026-02-06.
Where does StockDrifts get Nittoseiko 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 Nittoseiko Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.