StockDrifts LogoStockDrifts

株式会社丸八ホールディングス 3504

Company
株式会社丸八ホールディングス
Investors
4
Buys
0
Total Value
—
Avg Return
—
Last Filing
2026-05-07

株式会社丸八ホールディングス (3504) has 0 disclosed large-shareholding filings and 0 disclosed disposals on record, filed by 4 distinct investors. The earliest filing StockDrifts holds for 株式会社丸八ホールディングス is dated 2023-05-18; the most recent is 2026-05-07. 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)

No price data available

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-05-07BUYunknown
岡本 八大
other485.8K---
2026-05-07BUYunknown
岡本 典之
other55.6K---
2026-05-07BUYunknown
株式会社8128
strategic112.9K---
2026-05-07BUYunknown
株式会社洋大
strategic10.6M---
2026-05-07BUYunknown
株式会社8128
strategic112.9K---
2026-05-07BUYunknown
株式会社洋大
strategic10.6M---
2026-05-07BUYunknown
岡本 八大
unknown485.8K---
2026-05-07BUYunknown
岡本 典之
unknown55.6K---
2023-06-16BUYunknown
株式会社洋大
Kabushikikaisha Yodai
strategic10.6M---
2023-06-16BUYunknown
株式会社洋大
Kabushikikaisha Yodai
strategic10.6M---
2023-05-18BUYunknown
株式会社洋大
Kabusikikaisha Yodai
strategic10.6M---

Frequently asked questions

Who has been buying 株式会社丸八ホールディングス stock?
4 distinct investors have filed 0 disclosed large-shareholding filings in 株式会社丸八ホールディングス (3504), 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 株式会社丸八ホールディングス have?
株式会社丸八ホールディングス has 0 buy-side and 0 sell-side disclosures on record, spanning 2023-05-18 to 2026-05-07.
Where does StockDrifts get 株式会社丸八ホールディングス 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 株式会社丸八ホールディングス. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.