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Precision System Science Co., Ltd. 7707

Company
プレシジョン・システム・サイエンス株式会社Precision System Science Co., Ltd.
Investors
5
Buys
3
Total Value
¥16M ($102K)
Avg Return
+30.35%
Last Filing
2025-10-06

Precision System Science Co., Ltd. (7707) has 3 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥16M ($102K) in reported transaction value. The earliest filing StockDrifts holds for Precision System Science Co., Ltd. is dated 2025-01-06; the most recent is 2025-10-06. 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 +30.35%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-10-06SELLunknown
ノムラ インターナショナル ピーエルシー
NOMURA INTERNATIONAL PLC
other-20.6K¥195-17.9%¥14M ($90K)
2025-10-06SELLunknown
野村證券株式会社
Nomura Securities Co.,Ltd.
other599.7K¥195-17.9%¥151M ($975K)
2025-08-19SELLunknown
ノムラ インターナショナル ピーエルシー
NOMURA INTERNATIONAL PLC
other52.1K¥209-10.1%¥6M ($41K)
2025-08-19SELLunknown
野村證券株式会社
Nomura Securities Co.,Ltd.
other1.4M¥209-10.1%¥52M ($336K)
2025-06-06BUYunknown
ノムラ インターナショナル ピーエルシー
NOMURA INTERNATIONAL PLC
other81.8K¥208+10.6%¥10M ($67K)
2025-06-06SELLunknown
野村證券株式会社
Nomura Securities Co.,Ltd.
other1.6M¥208-10.6%¥75M ($486K)
2025-04-07BUYunknown
ノムラ インターナショナル ピーエルシー
NOMURA INTERNATIONAL PLC
other33.7K¥164+40.2%¥6M ($36K)
2025-04-07BUYunknown
野村證券株式会社
Nomura Securities Co.,Ltd.
other2.0M¥164+40.2%¥326M ($2.1M)
2025-03-28SELLunknown
株式会社日立ハイテク
Hitachi High-Tech Corporation
strategic0¥231+0.4%¥432M ($2.8M)
2025-03-12SELLunknown
株式会社日立ハイテク
Hitachi High-Tech Corporation
strategic1.9M¥231+0.4%¥208M ($1.3M)
2025-03-12BUYunknown
株式会社日立ハイテク
Hitachi High-Tech Corporation
strategic1.9M¥231-0.4%¥128M ($825K)
2025-01-06SELLunknown
有限会社ユニテック
Unitec Co., Ltd.
strategic1.2M¥225-2.2%¥13M ($84K)
2025-01-06SELLunknown
田島 秀二
Shuji Tajima
strategic4.6M¥225-2.2%¥37M ($241K)

Frequently asked questions

Who has been buying Precision System Science Co., Ltd. stock?
5 distinct investors have filed 3 disclosed large-shareholding filings in Precision System Science Co., Ltd. (7707), most recently on 2025-10-06. 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 Precision System Science Co., Ltd. have?
Precision System Science Co., Ltd. has 3 buy-side and 9 sell-side disclosures on record, covering ¥16M ($102K) in total reported value, spanning 2025-01-06 to 2025-10-06.
Where does StockDrifts get Precision System Science 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 Precision System Science Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.