Who has been buying Serendip Holdings Co.,Ltd. stock?

5 distinct investors have filed 9 disclosed large-shareholding filings in Serendip Holdings Co.,Ltd. (7318), most recently on 2023-03-10. 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 Serendip Holdings Co.,Ltd. have?

Serendip Holdings Co.,Ltd. has 9 buy-side and 9 sell-side disclosures on record, covering ¥1.5B ($9.5M) in total reported value, spanning 2021-06-28 to 2023-03-10.

Where does StockDrifts get Serendip Holdings 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.

Serendip Holdings Co.,Ltd. 7318

Company

セレンディップ・ホールディングス株式会社Serendip Holdings Co.,Ltd.

Investors

Buys

Total Value

¥1.5B ($9.5M)

Avg Return

+526.81%

Last Filing

2023-03-10

Serendip Holdings Co.,Ltd. (7318) has 9 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥1.5B ($9.5M) in reported transaction value. The earliest filing StockDrifts holds for Serendip Holdings Co.,Ltd. is dated 2021-06-28; the most recent is 2023-03-10. 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 +526.81%, 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
2026-07-13	SELL	unknown	諸戸グループマネジメント株式会社代表取締役中野敦之 MOROTO GROUP MANAGEMENT Co.,Ltd.	strategic	1.7M	¥2,000	+27.6%	¥656M ($4.2M)
2026-07-13	BUY	unknown	諸戸グループマネジメント株式会社代表取締役中野敦之 MOROTO GROUP MANAGEMENT Co.,Ltd.	strategic	1.7M	¥2,000	-27.6%	¥656M ($4.2M)
2026-07-10	SELL	negotiated	諸戸グループマネジメント株式会社代表取締役中野敦之 MOROTO GROUP MANAGEMENT Co.,Ltd.	strategic	450.0K	¥2,035	+4.3%	¥111M ($716K)
2026-07-10	BUY	negotiated	諸戸グループマネジメント株式会社代表取締役中野敦之 MOROTO GROUP MANAGEMENT Co.,Ltd.	strategic	450.0K	¥2,035	-4.3%	¥111M ($716K)
2023-03-10	SELL	unknown	ネクストシークエンス合同会社 NEXT SEQUENCE LLC.	strategic	300.0K	¥212.25	-858.3%	¥5M ($31K)
2023-03-10	SELL	unknown	竹内在 ARI TAKEUCHI	other	722.9K	¥212.25	-858.3%	¥8M ($49K)
2023-03-10	SELL	unknown	髙村徳康 NORIYASU TAKAMURA	other	722.9K	¥212.25	-858.3%	¥8M ($49K)
2023-03-10	SELL	unknown	一徳合同会社 ITTOKU LLC.	strategic	300.0K	¥212.25	-858.3%	¥5M ($31K)
2023-03-10	SELL	unknown	髙村徳康 NORIYASU TAKAMURA	other	722.9K	¥212.25	-858.3%	¥8M ($49K)
2023-03-10	SELL	unknown	竹内在 ARI TAKEUCHI	other	722.9K	¥212.25	-858.3%	¥8M ($49K)
2023-03-10	SELL	unknown	髙村徳康 NORIYASU TAKAMURA	other	722.9K	¥212.25	-858.3%	¥8M ($49K)
2023-03-10	SELL	unknown	竹内在 ARI TAKEUCHI	other	722.9K	¥212.25	-858.3%	¥8M ($49K)
2023-01-06	SELL	unknown	一徳合同会社 ITTOKU LLC.	strategic	300.0K	¥177	-1049.2%	¥4M ($26K)
2023-01-06	BUY	unknown	一徳合同会社 ITTOKU LLC.	strategic	300.0K	¥177	+1049.2%	¥53M ($343K)
2021-06-28	BUY	unknown	髙村徳康 NORIYASU TAKAMURA	other	722.9K	¥324.5	+526.8%	¥235M ($1.5M)
2021-06-28	BUY	unknown	一徳合同会社 ITTOKU LLC.	strategic	300.0K	¥324.5	+526.8%	¥97M ($628K)
2021-06-28	BUY	unknown	竹内在 ARI TAKEUCHI	other	722.9K	¥324.5	+526.8%	¥235M ($1.5M)
2021-06-28	BUY	unknown	ネクストシークエンス合同会社 NEXT SEQUENCE LLC.	strategic	300.0K	¥324.5	+526.8%	¥97M ($628K)
2021-06-28	BUY	unknown	諸戸グループマネジメント株式会社 Moroto Group Management Co.,Ltd.	strategic	450.0K	¥324.5	+526.8%	¥146M ($942K)
2021-06-28	BUY	unknown	髙村徳康 NORIYASU TAKAMURA	other	722.9K	¥324.5	+526.8%	¥235M ($1.5M)
2021-06-28	BUY	unknown	一徳合同会社 ITTOKU LLC.	strategic	300.0K	¥324.5	+526.8%	¥97M ($628K)
2021-06-28	BUY	unknown	諸戸グループマネジメント株式会社 Moroto Group Management Co.,Ltd.	strategic	450.0K	¥324.5	+526.8%	¥146M ($942K)
2021-06-28	BUY	unknown	竹内在 ARI TAKEUCHI	other	722.9K	¥324.5	+526.8%	¥235M ($1.5M)
2021-06-28	BUY	unknown	ネクストシークエンス合同会社 NEXT SEQUENCE LLC.	strategic	300.0K	¥324.5	+526.8%	¥97M ($628K)

Frequently asked questions

Who has been buying Serendip Holdings Co.,Ltd. stock?: 5 distinct investors have filed 9 disclosed large-shareholding filings in Serendip Holdings Co.,Ltd. (7318), most recently on 2023-03-10. 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 Serendip Holdings Co.,Ltd. have?: Serendip Holdings Co.,Ltd. has 9 buy-side and 9 sell-side disclosures on record, covering ¥1.5B ($9.5M) in total reported value, spanning 2021-06-28 to 2023-03-10.
Where does StockDrifts get Serendip Holdings 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 Serendip Holdings Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.