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Mountain Lake Investment Management LLC: ALSN position timeline

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

Mountain Lake Investment Management LLC held 106,541 ALSN 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 106,541 shares
    Change vs previous 13F -5,262 shares

    7.48% of the 13F portfolio, value $12,011,432.

    13F-HR 0001754960-26-000773 filed by Mountain Lake Investment 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 111,803 shares
    Change vs previous 13F +2,012 shares

    8.45% of the 13F portfolio, value $13,087,659.

    13F-HR 0001754960-26-000390 filed by Mountain Lake Investment Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 109,791 shares
    Change vs previous 13F +9,968 shares

    8.17% of the 13F portfolio, value $10,748,539.

    13F-HR 0001754960-26-000189 filed by Mountain Lake Investment Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 99,823 shares
    Change vs previous 13F +90,110 shares

    6.31% of the 13F portfolio, value $8,472,976.

    13F-HR 0001754960-25-000797 filed by Mountain Lake Investment Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 9,713 shares
    Change vs previous 13F not available

    0.77% of the 13F portfolio, value $922,638.

    13F-HR 0001754960-25-000610 filed by Mountain Lake Investment Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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