Skip to content
Disclosery

Mountain Lake Investment Management LLC: SDRL position timeline

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

Mountain Lake Investment Management LLC held 36,555 SDRL 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 36,555 shares
    Change vs previous 13F -15,257 shares

    0.86% of the 13F portfolio, value $1,382,510.

    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 51,812 shares
    Change vs previous 13F -75,651 shares

    1.52% of the 13F portfolio, value $2,357,446.

    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 127,463 shares
    Change vs previous 13F -17,973 shares

    3.35% of the 13F portfolio, value $4,410,220.

    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 145,436 shares
    Change vs previous 13F -95,524 shares

    3.27% of the 13F portfolio, value $4,393,622.

    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 240,960 shares
    Change vs previous 13F +43,321 shares

    5.26% of the 13F portfolio, value $6,325,200.

    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).

  6. period ended2025-03-31
    13F 197,639 shares
    Change vs previous 13F +42,939 shares

    4.65% of the 13F portfolio, value $4,940,975.

    13F-HR 0001754960-25-000306 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).

  7. period ended2024-12-31
    13F 154,700 shares
    Change vs previous 13F -5,300 shares

    6.92% of the 13F portfolio, value $6,008,145.

    13F-HR 0001754960-25-000086 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).

  8. period ended2024-09-30
    13F 160,000 shares
    Change vs previous 13F not available

    6.68% of the 13F portfolio, value $6,358,400.

    13F-HR 0001308555-24-000004 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).