StockDrifts LogoStockDrifts

KENKO Mayonnaise Co.,Ltd. 2915

Company
ケンコーマヨネーズ株式会社KENKO Mayonnaise Co.,Ltd.
Investors
8
Buys
5
Total Value
¥1.2B ($7.8M)
Avg Return
+68.50%
Last Filing
2025-03-06

KENKO Mayonnaise Co.,Ltd. (2915) has 5 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥1.2B ($7.8M) in reported transaction value. The earliest filing StockDrifts holds for KENKO Mayonnaise Co.,Ltd. is dated 2021-11-22; the most recent is 2025-03-06. 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 +68.50%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-03-06SELLMarket Buy
第一生命保険株式会社
The Dai-ichi Life Insurance Company, Limited
passive302.8K¥1,924-13.6%¥1.1B ($7.1M)
2023-03-20BUYnegotiated
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive284.0K¥1,219+79.3%¥40M ($259K)
2023-03-20BUYnegotiated
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.
other59.5K¥1,219+79.3%¥73M ($468K)
2023-03-20BUYnegotiated
三菱UFJ国際投信株式会社
Mitsubishi UFJ Financial Group Inc.
passive78.6K¥1,219+79.3%¥48M ($311K)
2023-03-20SELLnegotiated
株式会社三菱UFJ銀行
Mitsubishi UFJ Financial Group Inc.
strategic259.0K¥1,219-79.3%¥366M ($2.4M)
2022-05-09SELLunknown
ハイクレア・インターナショナル・インベスターズ・エルエルピー(Highclere International Investors LLP)
Highclere International Investors LLP
other645.3K¥1,403-55.7%¥254M ($1.6M)
2022-02-07BUYMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other49.2K¥1,355+61.3%¥7M ($43K)
2022-02-07BUYMarket Buy
レオス・キャピタルワークス株式会社
RHEOS CAPITAL WORKS Inc.
passive691.6K¥1,355+61.3%¥926M ($6.0M)
2021-11-22BUYMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other44.1K¥1,353+61.5%¥60M ($385K)
2021-11-22BUYMarket Buy
レオス・キャピタルワークス株式会社
RHEOS CAPITAL WORKS Inc.
passive874.4K¥1,353+61.5%¥1.2B ($7.5M)

Frequently asked questions

Who has been buying KENKO Mayonnaise Co.,Ltd. stock?
8 distinct investors have filed 5 disclosed large-shareholding filings in KENKO Mayonnaise Co.,Ltd. (2915), most recently on 2025-03-06. 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 KENKO Mayonnaise Co.,Ltd. have?
KENKO Mayonnaise Co.,Ltd. has 5 buy-side and 3 sell-side disclosures on record, covering ¥1.2B ($7.8M) in total reported value, spanning 2021-11-22 to 2025-03-06.
Where does StockDrifts get KENKO Mayonnaise 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 KENKO Mayonnaise Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.