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Disclosery

RHUMBLINE ADVISERS: MEC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of RHUMBLINE ADVISERS on MEC, newest first. How the timeline and the estimate are built.

RHUMBLINE ADVISERS held 20,001 MEC shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 20,001 shares
    Change vs previous 13F +1,801 shares

    <0.01% of the 13F portfolio, value $749,227.

    13F-HR 0001115418-26-000005 filed by RHUMBLINE ADVISERS
    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 18,200 shares
    Change vs previous 13F +168 shares

    <0.01% of the 13F portfolio, value $326,682.

    13F-HR 0001115418-26-000003 filed by RHUMBLINE ADVISERS
    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 18,032 shares
    Change vs previous 13F -2,021 shares

    <0.01% of the 13F portfolio, value $337,551.

    13F-HR 0001115418-26-000002 filed by RHUMBLINE ADVISERS
    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 20,053 shares
    Change vs previous 13F +84 shares

    <0.01% of the 13F portfolio, value $275,920.

    13F-HR 0001115418-25-000021 filed by RHUMBLINE ADVISERS
    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 19,969 shares
    Change vs previous 13F +1,526 shares

    <0.01% of the 13F portfolio, value $318,694.

    13F-HR 0001115418-25-000017 filed by RHUMBLINE ADVISERS
    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/A 18,443 shares
    Change vs previous 13F -742 shares

    <0.01% of the 13F portfolio, value $247,681.

    13F-HR/A 0001115418-25-000005 filed by RHUMBLINE ADVISERS
    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/A 19,185 shares
    Change vs previous 13F +613 shares

    <0.01% of the 13F portfolio, value $301,581.

    13F-HR/A 0001115418-25-000006 filed by RHUMBLINE ADVISERS
    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 18,572 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $391,487.

    13F-HR 0001115418-24-000011 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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