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ARROWSTREET CAPITAL, LIMITED PARTNERSHIP: MEC position timeline

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

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP held 0 MEC 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 0 shares
    Change vs previous 13F -185,261 shares

    13F-HR 0001164508-26-000035 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2026-03-31
    13F 185,261 shares
    Change vs previous 13F -103,189 shares

    <0.01% of the 13F portfolio, value $3,325,435.

    13F-HR 0001164508-26-000028 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    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 288,450 shares
    Change vs previous 13F +19,815 shares

    <0.01% of the 13F portfolio, value $5,399,784.

    13F-HR 0001164508-26-000002 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    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 268,635 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $3,696,418.

    13F-HR 0001164508-25-000009 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    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 268,635 shares
    Change vs previous 13F +2,235 shares

    <0.01% of the 13F portfolio, value $4,287,415.

    13F-HR 0001402828-25-000008 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    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 266,400 shares
    Change vs previous 13F +14,004 shares

    <0.01% of the 13F portfolio, value $3,577,752.

    13F-HR 0001402828-25-000004 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    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 252,396 shares
    Change vs previous 13F +80,905 shares

    <0.01% of the 13F portfolio, value $3,967,665.

    13F-HR 0001402828-25-000002 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    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 171,491 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $3,615,030.

    13F-HR 0001164508-24-000006 filed by ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
    Filed (acceptance time not in the bulk data set), ingested

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