StockDrifts LogoStockDrifts

Muto Seiko Co. 7927

Company
ムトー精工株式会社Muto Seiko Co.
Investors
3
Buys
5
Total Value
¥806M ($5.2M)
Avg Return
+189.93%
Last Filing
2025-04-22

Muto Seiko Co. (7927) has 5 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥806M ($5.2M) in reported transaction value. The earliest filing StockDrifts holds for Muto Seiko Co. is dated 2021-04-07; the most recent is 2025-04-22. 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 +189.93%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-04-22SELLunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other290.5K¥1,391-44.3%¥155M ($1.0M)
2024-04-22BUYunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other401.9K¥1,881+6.7%¥756M ($4.9M)
2022-10-07BUYMarket Buy
SMBC日興証券株式会社
SMBC Nikko Securities Inc.
other640¥539+272.4%¥8M ($51K)
2022-10-07BUYMarket Buy
三井住友DSアセットマネジメント株式会社
Sumitomo Mitsui DS Asset Management Company, Limited
passive325.6K¥539+272.4%¥174M ($1.1M)
2022-09-26SELLunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other246.5K¥525-282.3%¥74M ($480K)
2021-04-07BUYMarket Buy
SMBC日興証券株式会社
SMBC Nikko Securities Inc.
other63.0K¥671+199.1%¥42M ($273K)
2021-04-07BUYMarket Buy
三井住友DSアセットマネジメント株式会社
Sumitomo Mitsui DS Asset Management Company, Limited
passive380.2K¥671+199.1%¥255M ($1.6M)

Frequently asked questions

Who has been buying Muto Seiko Co. stock?
3 distinct investors have filed 5 disclosed large-shareholding filings in Muto Seiko Co. (7927), most recently on 2025-04-22. 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 Muto Seiko Co. have?
Muto Seiko Co. has 5 buy-side and 2 sell-side disclosures on record, covering ¥806M ($5.2M) in total reported value, spanning 2021-04-07 to 2025-04-22.
Where does StockDrifts get Muto Seiko Co. 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 Muto Seiko Co.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.