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Mink Brook Asset Management LLC: OPHC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Mink Brook Asset Management LLC on OPHC, newest first. How the timeline and the estimate are built.

Mink Brook Asset Management LLC held 78,552 OPHC shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 78,552 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $458,744.

    13F-HR 0001437749-26-028003 filed by Mink Brook Asset Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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