Who has been buying Heiwado Co.,Ltd. stock?

22 distinct investors have filed 39 disclosed large-shareholding filings in Heiwado Co.,Ltd. (8276), most recently on 2026-05-13. 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 Heiwado Co.,Ltd. have?

Heiwado Co.,Ltd. has 39 buy-side and 13 sell-side disclosures on record, covering ¥88.5B ($570.9M) in total reported value, spanning 2021-12-20 to 2026-05-13.

Where does StockDrifts get Heiwado 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.

Heiwado Co.,Ltd. 8276

Company

株式会社平和堂Heiwado Co.,Ltd.

Investors

Buys

Total Value

¥88.5B ($570.9M)

Avg Return

+34.42%

Last Filing

2026-05-13

Heiwado Co.,Ltd. (8276) has 39 disclosed large-shareholding filings and 13 disclosed disposals on record, filed by 22 distinct investors. Together those filings cover ¥88.5B ($570.9M) in reported transaction value. The earliest filing StockDrifts holds for Heiwado Co.,Ltd. is dated 2021-12-20; the most recent is 2026-05-13. 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 +34.42%, 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
2026-06-17	BUY	Market Buy	株式会社ピース&グリーン	activist	2.0M	¥2,507	+2.6%	¥90M ($584K)
2026-06-17	BUY	Market Buy	夏原行平	activist	576.0K	¥2,507	+2.6%	¥39M ($250K)
2026-06-17	BUY	Market Buy	株式会社ナプラ	activist	305.0K	¥2,507	+2.6%	¥13M ($83K)
2026-06-17	BUY	Market Buy	株式会社サマーフィールド	activist	400.0K	¥2,507	+2.6%	¥26M ($167K)
2026-05-13	BUY	unknown	夏原美智子	strategic	852.2K	¥2,641	-5.3%	¥2.3B ($14.5M)
2026-05-13	BUY	Market Buy	公益財団法人平和堂財団	other	3.0M	¥2,641	-5.3%	¥953M ($6.1M)
2026-05-13	BUY	unknown	夏原美智子	strategic	852.2K	¥2,641	-5.3%	¥2.3B ($14.5M)
2026-05-13	BUY	Market Buy	公益財団法人平和堂財団	other	3.0M	¥2,641	-5.3%	¥953M ($6.1M)
2026-05-13	BUY	Market Buy	株式会社ナプラ	activist	305.0K	¥2,641	-5.3%	¥14M ($88K)
2026-05-13	BUY	Market Buy	株式会社サマーフィールド	activist	400.0K	¥2,641	-5.3%	¥27M ($176K)
2026-05-13	BUY	Market Buy	株式会社ピース&グリーン	activist	2.0M	¥2,641	-5.3%	¥95M ($615K)
2026-05-13	BUY	Market Buy	夏原商事株式会社	activist	3.5M	¥2,641	-5.3%	¥177M ($1.1M)
2026-05-13	BUY	Market Buy	夏原行平	activist	576.0K	¥2,641	-5.3%	¥41M ($263K)
2024-07-19	BUY	unknown	夏原商事株式会社 NATSUHARASHOUJI	activist	3.5M	¥2,412	+15.9%	¥8.4B ($54.5M)
2024-07-19	BUY	unknown	夏原商事株式会社 NATSUHARASHOUJI	activist	3.5M	¥2,412	+15.9%	¥8.4B ($54.5M)
2024-04-19	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	513.1K	¥2,373	+17.8%	¥12M ($80K)
2024-04-19	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.4M	¥2,373	+17.8%	¥3.2B ($20.8M)
2024-04-19	SELL	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	unknown	0	¥2,373	-17.8%	¥175M ($1.1M)
2024-03-07	SELL	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	1.9M	¥2,014	-38.8%	¥180M ($1.2M)
2024-03-07	SELL	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	94.0K	¥2,014	-38.8%	¥1.3B ($8.1M)
2024-03-06	SELL	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	2.3M	¥1,984	-40.9%	¥292M ($1.9M)
2024-03-06	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	507.7K	¥1,984	-40.9%	¥83M ($538K)
2024-03-06	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	74.2K	¥1,984	-40.9%	¥980M ($6.3M)
2024-03-05	BUY	unknown	夏原商事合同会社 NATSUHARASHOUJI	activist	3.5M	¥1,943	+43.9%	¥6.8B ($43.9M)
2024-02-22	BUY	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	720.6K	¥2,038	+37.1%	¥1.5B ($9.5M)
2024-02-22	BUY	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	2.0M	¥2,038	+37.1%	¥4.0B ($25.8M)
2023-06-09	SELL	unknown	平和堂共栄会理事長糟谷誠一 HEIWADOKYOUEIKAI RIZITYOU KASUTANISEIITI	unknown	0	¥2,122	-31.7%	¥6.7B ($43.3M)
2023-05-31	BUY	Market Buy	平和堂共栄会理事長糟谷誠一 HEIWADOKYOUEIKAI RIZITYOU KASUTANISEIITI	other	3.2M	¥2,070	+35.0%	¥1.1B ($7.0M)
2023-04-17	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	207.1K	¥2,006	+39.3%	¥42M ($272K)
2023-04-17	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	16.5K	¥2,006	+39.3%	¥2.1B ($13.8M)
2023-04-17	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	944.3K	¥2,006	-39.3%	¥84M ($544K)
2023-04-17	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.0M	¥2,006	+39.3%	¥2.1B ($13.3M)
2023-03-07	BUY	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	720.6K	¥2,074	+34.8%	¥1.5B ($9.6M)
2023-03-07	BUY	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	703.4K	¥2,074	+34.8%	¥1.4B ($9.2M)
2023-02-22	BUY	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	2.0M	¥2,165	+29.1%	¥4.4B ($28.2M)
2023-02-22	BUY	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	720.6K	¥2,165	+29.1%	¥1.6B ($10.1M)
2023-02-06	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	507.3K	¥2,122	+31.7%	¥1.1B ($6.9M)
2023-02-06	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	184.9K	¥2,122	+31.7%	¥392M ($2.5M)
2023-02-06	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	987.2K	¥2,122	+31.7%	¥2.1B ($13.5M)
2023-02-06	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.0M	¥2,122	+31.7%	¥2.2B ($14.0M)
2023-01-12	BUY	unknown	夏原商事合同会社 NATSUHARASHOUJIGODOGAISHA	activist	3.5M	¥2,061	+35.6%	¥7.2B ($46.5M)
2023-01-12	SELL	unknown	夏原美智子 NATSUHARA MICHIKO	strategic	852.2K	¥2,061	-35.6%	¥7.2B ($46.5M)
2022-10-17	BUY	unknown	平和観光開発株式会社 Heiwa Tourism Development Co., Ltd.	activist	1.7M	¥1,886	+48.2%	¥327M ($2.1M)
2022-10-17	BUY	unknown	株式会社ピース&グリーン Peace & Green Co., Ltd.	activist	2.0M	¥1,886	+48.2%	¥377M ($2.4M)
2022-10-17	BUY	unknown	株式会社ナプラ Napla Co., Ltd.	activist	305.0K	¥1,886	+48.2%	¥575M ($3.7M)
2022-10-17	BUY	unknown	夏原美智子 MICHIKO NATSUHARA	activist	395.0K	¥1,886	+48.2%	¥7.9B ($51.1M)
2022-10-17	BUY	unknown	株式会社ピース&グリーン Peace & Green Co., Ltd.	activist	2.0M	¥1,886	+48.2%	¥377M ($2.4M)
2022-10-17	BUY	unknown	夏原美智子 MICHIKO NATSUHARA	activist	4.4M	¥1,886	+48.2%	¥7.5B ($48.7M)
2022-10-17	BUY	unknown	株式会社ピースピジョンズ Peace Pigeons Co., Ltd.	activist	400.0K	¥1,886	+48.2%	¥754M ($4.9M)
2022-10-17	BUY	unknown	平和観光開発株式会社 Heiwa Tourism Development Co., Ltd.	activist	1.7M	¥1,886	+48.2%	¥327M ($2.1M)

Showing the 50 most recent of 66 filings.

Frequently asked questions

Who has been buying Heiwado Co.,Ltd. stock?: 22 distinct investors have filed 39 disclosed large-shareholding filings in Heiwado Co.,Ltd. (8276), most recently on 2026-05-13. 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 Heiwado Co.,Ltd. have?: Heiwado Co.,Ltd. has 39 buy-side and 13 sell-side disclosures on record, covering ¥88.5B ($570.9M) in total reported value, spanning 2021-12-20 to 2026-05-13.
Where does StockDrifts get Heiwado 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 Heiwado Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.