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Hamai Company Limited 6131

Company
浜井産業株式会社Hamai Company Limited
Investors
7
Buys
5
Total Value
—
Avg Return
—
Last Filing
2025-04-04

Hamai Company Limited (6131) has 5 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 7 distinct investors. The earliest filing StockDrifts holds for Hamai Company Limited is dated 2024-12-16; the most recent is 2025-04-04. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan).

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-04-04SELLunknown
東海東京証券株式会社
Tokai Tokyo Securities Co., Ltd.
other0---
2025-04-04SELLMarket Buy
明治安田生命保険相互会社
Meiji Yasuda Life Insurance Company
passive0---
2025-04-01SELLMarket Buy
株式会社フラクタル・ビジネス
Fractal Business Inc.
passive54.7K---
2025-04-01BUYMarket Buy
奥村 学
Manabu Okumura
passive81.2K---
2025-03-28BUYacquisition
武藤 公明
Kimiaki Muto
activist9.4K---
2025-03-28BUYacquisition
株式会社Mint
Mint Co., Ltd.
activist2.8M---
2025-03-28SELLunknown
株式会社FUJI
FUJI CORPORATION
unknown0---
2025-03-28BUYunknown
株式会社FUJI
FUJI CORPORATION
strategic320.9K---
2025-03-28BUYacquisition
株式会社Mint
Mint Co., Ltd.
activist2.8M---
2025-03-28BUYacquisition
武藤 公明
Kimiaki Muto
activist9.4K---
2025-03-25BUYacquisition
株式会社Mint
Mint Co., Ltd.
activist2.8M---
2025-03-25BUYacquisition
武藤 公明
Kimiaki Muto
activist9.4K---
2025-03-06BUYunknown
東海東京証券株式会社
Tokai Tokyo Securities Co., Ltd.
other274.5K---
2024-12-16BUYMarket Buy
奥村 学
Manabu Okumura
passive81.2K---
2024-12-16BUYMarket Buy
株式会社フラクタル・ビジネス
Fractal Business Inc.
passive94.7K---

Frequently asked questions

Who has been buying Hamai Company Limited stock?
7 distinct investors have filed 5 disclosed large-shareholding filings in Hamai Company Limited (6131), most recently on 2025-04-04. 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 Hamai Company Limited have?
Hamai Company Limited has 5 buy-side and 4 sell-side disclosures on record, spanning 2024-12-16 to 2025-04-04.
Where does StockDrifts get Hamai Company Limited 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 Hamai Company Limited. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.