Who has been buying Heian Ceremony Service Co.,Ltd. stock?

8 distinct investors have filed 22 disclosed large-shareholding filings in Heian Ceremony Service Co.,Ltd. (2344), most recently on 2026-05-07. 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 Heian Ceremony Service Co.,Ltd. have?

Heian Ceremony Service Co.,Ltd. has 22 buy-side and 13 sell-side disclosures on record, covering ¥10.6B ($68.6M) in total reported value, spanning 2021-06-02 to 2026-05-07.

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.

Heian Ceremony Service Co.,Ltd. 2344

Company

平安レイサービス株式会社Heian Ceremony Service Co.,Ltd.

Investors

Buys

Total Value

¥10.6B ($68.6M)

Avg Return

+33.34%

Last Filing

2026-05-07

Heian Ceremony Service Co.,Ltd. (2344) has 22 disclosed large-shareholding filings and 13 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥10.6B ($68.6M) in reported transaction value. The earliest filing StockDrifts holds for Heian Ceremony Service Co.,Ltd. is dated 2021-06-02; the most recent is 2026-05-07. Across these filings the average return since disclosure is +33.34%, 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
2026-05-07	BUY	Market Buy	山田雅孝	strategic	367.0K	¥1,493	+0.0%	¥28M ($178K)
2026-05-07	BUY	Market Buy	小余綾弘産株式会社	activist	3.3M	¥1,493	+0.0%	¥1.6B ($10.6M)
2026-05-07	SELL	unknown	山田たか子	strategic	0	¥1,493	+0.0%	¥546M ($3.5M)
2026-05-07	SELL	unknown	山田朗弘	strategic	0	¥1,493	+0.0%	¥531M ($3.4M)
2026-05-07	BUY	Market Buy	相馬秀行	activist	2.6M	¥1,493	+0.0%	¥277M ($1.8M)
2026-05-07	BUY	unknown	相馬百合江	activist	40.0K	¥1,493	-	-
2026-02-17	BUY	unknown	相馬百合江	activist	40.0K	¥1,479	-	-
2026-02-17	BUY	Market Buy	山田雅孝	strategic	367.0K	¥1,479	+0.9%	¥27M ($176K)
2026-02-17	BUY	Market Buy	小余綾弘産株式会社	activist	2.2M	¥1,479	+0.9%	¥522M ($3.4M)
2026-02-17	BUY	Market Buy	山田たか子	strategic	365.3K	¥1,479	+0.9%	¥87M ($564K)
2026-02-17	BUY	Market Buy	山田朗弘	strategic	355.9K	¥1,479	+0.9%	¥84M ($540K)
2026-02-17	SELL	unknown	相馬秀行	activist	2.5M	¥1,479	-0.9%	¥193M ($1.2M)
2026-02-17	BUY	unknown	相馬百合江	activist	40.0K	¥1,479	+0.9%	¥16M ($106K)
2026-02-17	SELL	unknown	相馬秀行	activist	2.4M	¥1,479	-0.9%	¥87M ($564K)
2026-02-17	SELL	unknown	相馬秀行	activist	2.5M	¥1,479	-0.9%	¥193M ($1.2M)
2026-02-17	BUY	unknown	相馬百合江	activist	40.0K	¥1,479	+0.9%	¥16M ($106K)
2026-02-17	BUY	unknown	山田雅孝	strategic	367.0K	¥1,479	+0.9%	¥27M ($176K)
2026-02-17	BUY	unknown	小余綾弘産株式会社	activist	2.2M	¥1,479	+0.9%	¥522M ($3.4M)
2026-02-17	BUY	unknown	山田たか子	strategic	365.3K	¥1,479	+0.9%	¥87M ($564K)
2026-02-17	BUY	unknown	山田朗弘	strategic	355.9K	¥1,479	+0.9%	¥84M ($540K)
2026-02-17	SELL	unknown	相馬秀行	activist	2.4M	¥1,479	-0.9%	¥87M ($564K)
2026-02-17	BUY	unknown	相馬百合江	activist	40.0K	¥1,479	-	-
2024-01-04	BUY	unknown	相馬秀行 Hideyuki Soma	activist	2.5M	¥792	-	-
2024-01-04	BUY	unknown	相馬秀行 Hideyuki Soma	activist	2.5M	¥792	-	-
2024-01-04	BUY	unknown	相馬百合江 Yurie Soma	activist	40.0K	¥792	-	-
2024-01-04	BUY	unknown	相馬百合江 Yurie Soma	activist	40.0K	¥792	-	-
2023-12-15	BUY	unknown	相馬秀行 Hideyuki Soma	activist	2.5M	¥767	+94.7%	¥1.9B ($12.3M)
2023-12-15	BUY	unknown	相馬秀行 Hideyuki Soma	activist	2.5M	¥767	+94.7%	¥1.9B ($12.3M)
2023-12-15	BUY	unknown	相馬百合江 Yurie Soma	activist	40.0K	¥767	+94.7%	¥8M ($49K)
2023-12-15	BUY	unknown	相馬百合江 Yurie Soma	activist	40.0K	¥767	+94.7%	¥8M ($49K)
2023-05-10	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	490.9K	¥759	-96.7%	¥112M ($723K)
2023-04-27	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	514.0K	¥733	-103.7%	¥91M ($588K)
2023-03-08	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	638.4K	¥743	-100.9%	¥97M ($625K)
2023-02-22	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	639.1K	¥741	-101.5%	¥111M ($718K)
2022-09-07	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	788.4K	¥767	-94.7%	¥95M ($615K)
2022-07-19	BUY	unknown	相馬百合江 Yurie Soma	activist	30.0K	¥779	-	-
2022-07-19	BUY	unknown	相馬秀行 Hideyuki Soma	activist	2.6M	¥779	-	-
2022-07-19	BUY	unknown	相馬秀行 Hideyuki Soma	activist	2.6M	¥779	+91.7%	¥2.0B ($12.9M)
2022-07-19	SELL	unknown	相馬百合江 Yurie Soma	activist	30.0K	¥779	-91.7%	¥1.9B ($12.2M)
2021-12-23	BUY	Market Buy	相馬秀行 Hideyuki Soma	activist	2.6M	¥889	+67.9%	¥358M ($2.3M)
2021-12-23	SELL	Market Buy	相馬百合江 Yurie Soma	activist	30.0K	¥889	-67.9%	¥2.2B ($13.9M)
2021-10-22	BUY	Market Buy	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	913.1K	¥893	+67.2%	¥111M ($716K)
2021-06-28	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	768.7K	¥900	+65.9%	¥132M ($850K)
2021-06-02	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	742.1K	¥885	+68.7%	¥657M ($4.2M)

Frequently asked questions

Who has been buying Heian Ceremony Service Co.,Ltd. stock?: 8 distinct investors have filed 22 disclosed large-shareholding filings in Heian Ceremony Service Co.,Ltd. (2344), most recently on 2026-05-07. 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 Heian Ceremony Service Co.,Ltd. have?: Heian Ceremony Service Co.,Ltd. has 22 buy-side and 13 sell-side disclosures on record, covering ¥10.6B ($68.6M) in total reported value, spanning 2021-06-02 to 2026-05-07.
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.