Skip to content
Disclosery

Mountaineer Partners Management, LLC: HMY position timeline

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

Mountaineer Partners Management, LLC held 612,949 HMY shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 612,949 shares
    Change vs previous 13F -53,786 shares

    6.78% of the 13F portfolio, value $9,322,955.

    13F-HR 0000919574-26-005107 filed by Mountaineer Partners Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 666,735 shares
    Change vs previous 13F not available

    5.09% of the 13F portfolio, value $10,247,717.

    13F-HR 0000919574-26-003280 filed by Mountaineer Partners Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).