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.

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.

KENKO Mayonnaise Co.,Ltd. 2915

Company

ケンコーマヨネーズ株式会社KENKO Mayonnaise Co.,Ltd.

Investors

Buys

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. 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

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2025-03-06	SELL	Market Buy	第一生命保険株式会社 The Dai-ichi Life Insurance Company, Limited	passive	302.8K	¥1,924	-5.5%	¥1.1B ($7.1M)
2023-03-20	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	259.0K	¥1,219	-66.5%	¥366M ($2.4M)
2023-03-20	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	284.0K	¥1,219	+66.5%	¥40M ($259K)
2023-03-20	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	78.6K	¥1,219	+66.5%	¥48M ($311K)
2023-03-20	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	59.5K	¥1,219	-	-
2022-05-09	SELL	unknown	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	other	645.3K	¥1,403	-44.7%	¥254M ($1.6M)
2022-02-07	BUY	Market Buy	レオス・キャピタルワークス株式会社 RHEOS CAPITAL WORKS Inc.	passive	691.6K	¥1,355	+49.8%	¥926M ($6.0M)
2022-02-07	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	49.2K	¥1,355	+49.8%	¥7M ($43K)
2021-11-22	BUY	Market Buy	レオス・キャピタルワークス株式会社 RHEOS CAPITAL WORKS Inc.	passive	874.4K	¥1,353	+50.0%	¥1.2B ($7.5M)
2021-11-22	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	44.1K	¥1,353	-	¥60M ($385K)

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.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.