Who has been buying Mars Group Holdings Corporation stock?

4 distinct investors have filed 9 disclosed large-shareholding filings in Mars Group Holdings Corporation (6419), most recently on 2024-09-30. 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 Mars Group Holdings Corporation have?

Mars Group Holdings Corporation has 9 buy-side and 5 sell-side disclosures on record, covering ¥22.2B ($143.3M) in total reported value, spanning 2021-10-19 to 2024-09-30.

Where does StockDrifts get Mars Group Holdings Corporation 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.

Mars Group Holdings Corporation 6419

Company

株式会社マースグループホールディングスMars Group Holdings Corporation

Investors

Buys

Total Value

¥22.2B ($143.3M)

Avg Return

+15.75%

Last Filing

2024-09-30

Mars Group Holdings Corporation (6419) has 9 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥22.2B ($143.3M) in reported transaction value. The earliest filing StockDrifts holds for Mars Group Holdings Corporation is dated 2021-10-19; the most recent is 2024-09-30. 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 +15.75%, 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
2024-09-30	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.1M	¥3,295	+12.8%	¥801M ($5.2M)
2024-09-10	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.3M	¥3,595	+20.1%	¥858M ($5.5M)
2024-07-04	BUY	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	142.4K	¥3,905	-26.4%	¥556M ($3.6M)
2024-07-04	SELL	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	7.1K	¥3,905	+26.4%	¥20M ($126K)
2024-04-04	BUY	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	142.7K	¥3,095	-7.2%	¥7M ($45K)
2024-04-04	BUY	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	1.2M	¥3,095	-7.2%	¥3.6B ($23.3M)
2024-01-19	SELL	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	141.2K	¥2,632	-9.1%	¥60M ($386K)
2024-01-19	BUY	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	1.5M	¥2,632	+9.1%	¥3.8B ($24.3M)
2023-09-06	BUY	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	164.4K	¥2,885	-0.5%	¥474M ($3.1M)
2023-09-06	BUY	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	1.8M	¥2,885	-0.5%	¥4.8B ($30.8M)
2023-08-08	BUY	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	164.5K	¥2,955	-2.8%	¥486M ($3.1M)
2023-08-08	BUY	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	2.2M	¥2,955	-2.8%	¥5.8B ($37.7M)
2023-06-30	BUY	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	164.0K	¥2,849	+0.8%	¥467M ($3.0M)
2023-06-30	BUY	unknown	大和証券株式会社 Daiwa Securities Co.Ltd.	other	2.5M	¥2,849	+0.8%	¥7.1B ($46.0M)
2022-07-21	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.6M	¥1,666	+72.4%	¥696M ($4.5M)
2022-05-20	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	940.0K	¥1,654	-73.6%	¥455M ($2.9M)
2021-10-19	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.1M	¥1,629	+76.3%	¥1.9B ($11.9M)

Frequently asked questions

Who has been buying Mars Group Holdings Corporation stock?: 4 distinct investors have filed 9 disclosed large-shareholding filings in Mars Group Holdings Corporation (6419), most recently on 2024-09-30. 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 Mars Group Holdings Corporation have?: Mars Group Holdings Corporation has 9 buy-side and 5 sell-side disclosures on record, covering ¥22.2B ($143.3M) in total reported value, spanning 2021-10-19 to 2024-09-30.
Where does StockDrifts get Mars Group Holdings Corporation 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 Mars Group Holdings Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.