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MUHLENKAMP & CO INC: SLB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MUHLENKAMP & CO INC on SLB, newest first. How the timeline and the estimate are built.

MUHLENKAMP & CO INC held 323,878 SLB shares at 2026-06-30 per its 13F-HR filed 2026-08-18.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 323,878 shares
    Change vs previous 13F +1,707 shares

    4.36% of the 13F portfolio, value $15,057,088.

    13F-HR 0001133219-26-000003 filed by MUHLENKAMP & CO INC
    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 322,171 shares
    Change vs previous 13F +140 shares

    4.36% of the 13F portfolio, value $16,556,368.

    13F-HR 0001133219-26-000002 filed by MUHLENKAMP & CO INC
    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 322,031 shares
    Change vs previous 13F +2,293 shares

    3.32% of the 13F portfolio, value $12,359,550.

    13F-HR 0001133219-26-000001 filed by MUHLENKAMP & CO INC
    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 319,738 shares
    Change vs previous 13F +572 shares

    2.99% of the 13F portfolio, value $10,989,405.

    13F-HR 0001133219-25-000006 filed by MUHLENKAMP & CO INC
    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 319,166 shares
    Change vs previous 13F +3,349 shares

    3.37% of the 13F portfolio, value $10,787,824.

    13F-HR 0001133219-25-000005 filed by MUHLENKAMP & CO INC
    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 315,817 shares
    Change vs previous 13F -10 shares

    4.32% of the 13F portfolio, value $13,201,167.

    13F-HR 0001133219-25-000004 filed by MUHLENKAMP & CO INC
    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 315,827 shares
    Change vs previous 13F +767 shares

    3.68% of the 13F portfolio, value $12,108,799.

    13F-HR 0001133219-25-000001 filed by MUHLENKAMP & CO INC
    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 315,060 shares
    Change vs previous 13F not available

    4.05% of the 13F portfolio, value $13,216,747.

    13F-HR 0001133219-24-000004 filed by MUHLENKAMP & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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