Who has been buying Restar Holdings Corporation stock?

9 distinct investors have filed 12 disclosed large-shareholding filings in Restar Holdings Corporation (3156), most recently on 2024-10-04. 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 Restar Holdings Corporation have?

Restar Holdings Corporation has 12 buy-side and 5 sell-side disclosures on record, covering ¥15.0B ($97.0M) in total reported value, spanning 2021-03-18 to 2024-10-04.

Where does StockDrifts get Restar 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.

Restar Holdings Corporation 3156

Company

株式会社レスターホールディングスRestar Holdings Corporation

Investors

Buys

Total Value

¥15.0B ($97.0M)

Avg Return

+27.73%

Last Filing

2024-10-04

Restar Holdings Corporation (3156) has 12 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥15.0B ($97.0M) in reported transaction value. The earliest filing StockDrifts holds for Restar Holdings Corporation is dated 2021-03-18; the most recent is 2024-10-04. 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 +27.73%, 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
2026-05-25	BUY	Market Buy	SBIホールディングス株式会社 SBI Holdings, Inc	passive	1.6M	¥3,705	+19.0%	¥5.7B ($37.0M)
2024-10-04	BUY	unknown	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	unknown	0	¥2,733	+3.4%	-
2024-10-04	SELL	unknown	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	53.4K	¥2,733	-3.4%	¥7.0B ($44.9M)
2024-09-30	BUY	Market Buy	今野正子 Masako Konno	strategic	20.3K	¥2,710	+4.2%	¥55M ($354K)
2024-09-30	BUY	Market Buy	今野邦廣 Kunihiro Konno	strategic	3.2K	¥2,710	+4.2%	¥9M ($56K)
2024-09-30	BUY	unknown	今野正子 Masako Konno	strategic	20.3K	¥2,710	+4.2%	¥55M ($354K)
2024-09-30	BUY	unknown	今野邦廣 Kunihiro Konno	strategic	3.2K	¥2,710	+4.2%	¥9M ($56K)
2024-09-30	BUY	unknown	株式会社ケイエムエフ KMF Corporation	strategic	6.4M	¥2,710	+4.2%	¥1.1B ($7.0M)
2024-09-30	BUY	Market Buy	株式会社ケイエムエフ KMF Corporation	strategic	6.4M	¥2,710	+4.2%	¥1.1B ($7.0M)
2024-05-17	SELL	unknown	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	100	¥2,929	+3.5%	¥2.1B ($13.3M)
2024-05-17	BUY	unknown	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	2.6M	¥2,929	-3.5%	¥7.5B ($48.6M)
2023-09-26	BUY	unknown	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	704.2K	¥2,512	+12.5%	¥400M ($2.6M)
2023-09-26	BUY	unknown	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	2.9M	¥2,512	+12.5%	¥7.3B ($47.0M)
2022-12-19	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	116.2K	¥2,093	+35.0%	¥101M ($650K)
2022-12-19	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	303.4K	¥2,093	-35.0%	¥453M ($2.9M)
2022-12-19	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	818.4K	¥2,093	-35.0%	¥277M ($1.8M)
2022-10-27	BUY	unknown	株式会社ケイエムエフ KMF Corporation	strategic	6.0M	¥2,056	+37.4%	¥1.7B ($10.9M)
2022-10-27	BUY	unknown	今野正子 Masako Konno	strategic	20.3K	¥2,056	+37.4%	¥42M ($269K)
2022-10-27	BUY	unknown	今野邦廣 Kunihiro Konno	strategic	3.2K	¥2,056	+37.4%	¥7M ($43K)
2022-10-27	BUY	unknown	今野正子 Masako Konno	strategic	20.3K	¥2,056	+37.4%	¥42M ($269K)
2022-10-27	BUY	unknown	今野邦廣 Kunihiro Konno	strategic	3.2K	¥2,056	+37.4%	¥7M ($43K)
2022-10-27	BUY	unknown	株式会社ケイエムエフ KMF Corporation	strategic	6.0M	¥2,056	+37.4%	¥1.7B ($10.9M)
2022-04-20	BUY	unknown	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	543.7K	¥2,017	+40.1%	¥625M ($4.0M)
2022-04-20	BUY	unknown	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	2.9M	¥2,017	+40.1%	¥5.8B ($37.7M)
2021-12-27	BUY	Market Buy	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	233.4K	¥1,954	+44.6%	¥456M ($2.9M)
2021-12-27	BUY	Market Buy	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	2.9M	¥1,954	+44.6%	¥147M ($948K)
2021-11-19	BUY	Market Buy	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	2.8M	¥1,933	+46.1%	¥663M ($4.3M)
2021-04-05	BUY	negotiated	ソニーグループ株式会社 Sony Group Corporation	strategic	3.0M	¥2,049	+37.9%	¥6.0B ($39.0M)
2021-03-18	SELL	negotiated	ソニー株式会社 Sony Corporation	strategic	3.0M	¥1,665.035	-69.7%	¥2.2B ($14.2M)

Frequently asked questions

Who has been buying Restar Holdings Corporation stock?: 9 distinct investors have filed 12 disclosed large-shareholding filings in Restar Holdings Corporation (3156), most recently on 2024-10-04. 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 Restar Holdings Corporation have?: Restar Holdings Corporation has 12 buy-side and 5 sell-side disclosures on record, covering ¥15.0B ($97.0M) in total reported value, spanning 2021-03-18 to 2024-10-04.
Where does StockDrifts get Restar 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 Restar Holdings Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.