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Heiwa Corporation 6412

Company
株式会社平和Heiwa Corporation
Investors
3
Buys
1
Total Value
¥10.3B ($66.4M)
Avg Return
-25.94%
Last Filing
2026-05-13

Heiwa Corporation (6412) has 1 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥10.3B ($66.4M) in reported transaction value. The earliest filing StockDrifts holds for Heiwa Corporation is dated 2023-06-28; 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 -25.94%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-05-13BUYunknown
石原 昌幸
strategic3.0M¥1,823+13.8%¥5.5B ($35.2M)
2026-05-13BUYunknown
株式会社石原ホールディングス
strategic42.2M¥1,823+13.8%¥77.0B ($496.8M)
2025-09-02BUYunknown
株式会社石原ホールディングス
ISHIHARA HOLDINGS INC.
strategic42.2M¥2,208-13.5%¥93.3B ($601.8M)
2025-05-08BUYunknown
株式会社石原ホールディングス
ISHIHARA HOLDINGS INC.
strategic42.2M¥2,217-13.8%¥93.7B ($604.2M)
2023-08-16BUYunknown
株式会社石原ホールディングス
ISHIHARA HOLDINGS INC.
strategic42.2M¥2,203-13.3%¥93.1B ($600.4M)
2023-06-28SELLMarket Buy
石原 慎也
Shinya Ishihara
unknown0¥2,579+25.9%¥7.7B ($49.8M)
2023-06-28BUYMarket Buy
株式会社石原ホールディングス
ISHIHARA HOLDINGS INC.
strategic42.2M¥2,579-25.9%¥10.3B ($66.4M)

Frequently asked questions

Who has been buying Heiwa Corporation stock?
3 distinct investors have filed 1 disclosed large-shareholding filings in Heiwa Corporation (6412), 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 Heiwa Corporation have?
Heiwa Corporation has 1 buy-side and 1 sell-side disclosures on record, covering ¥10.3B ($66.4M) in total reported value, spanning 2023-06-28 to 2026-05-13.
Where does StockDrifts get Heiwa 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 Heiwa Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.