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Kobayashi Yoko Co., Ltd. 8742

Company
株式会社小林洋行Kobayashi Yoko Co., Ltd.
Investors
3
Buys
4
Total Value
¥738M ($4.8M)
Avg Return
+35.16%
Last Filing
2026-04-08

Kobayashi Yoko Co., Ltd. (8742) has 4 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥738M ($4.8M) in reported transaction value. The earliest filing StockDrifts holds for Kobayashi Yoko Co., Ltd. is dated 2022-04-11; the most recent is 2026-04-08. 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 +35.16%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-04-08BUYMarket Buy
日産証券グループ株式会社
Nissan Securities Group Co.,Ltd.
passive760.2K¥521-0.2%¥69M ($443K)
2026-04-07BUYMarket Buy
日産証券グループ株式会社
Nissan Securities Group Co.,Ltd.
passive760.2K¥524-0.8%¥69M ($446K)
2026-04-07BUYMarket Buy
日産証券グループ株式会社
Nissan Securities Group Co.,Ltd.
passive760.2K¥524-0.8%¥69M ($446K)
2026-02-24BUYMarket Buy
日産証券グループ株式会社
Nissan Securities Group., Ltd.
passive629.3K¥485+8.3%¥305M ($2.0M)
2022-04-11BUYunknown
株式会社東京洋行
Tokyo Yoko Co., Ltd.
strategic3.0M¥225+133.3%¥669M ($4.3M)
2022-04-11SELLunknown
細金 千恵子
HOSOGANE CHIEKO
strategic181.8K¥225-133.3%¥6M ($42K)

Frequently asked questions

Who has been buying Kobayashi Yoko Co., Ltd. stock?
3 distinct investors have filed 4 disclosed large-shareholding filings in Kobayashi Yoko Co., Ltd. (8742), most recently on 2026-04-08. 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 Kobayashi Yoko Co., Ltd. have?
Kobayashi Yoko Co., Ltd. has 4 buy-side and 1 sell-side disclosures on record, covering ¥738M ($4.8M) in total reported value, spanning 2022-04-11 to 2026-04-08.
Where does StockDrifts get Kobayashi Yoko 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 Kobayashi Yoko Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.