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Blume Capital Management, Inc.: POWI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Blume Capital Management, Inc. on POWI, newest first. How the timeline and the estimate are built.

Blume Capital Management, Inc. held 125 POWI shares at 2026-06-30 per its 13F-HR filed 2026-07-27.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 125 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $10,470.

    13F-HR 0001587192-26-000003 filed by Blume Capital Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec ยง4.2).