Skip to content
Disclosery

CenterBook Partners LP: MEC position timeline

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

CenterBook Partners LP held 30,992 MEC shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 30,992 shares
    Change vs previous 13F -89,311 shares

    0.06% of the 13F portfolio, value $1,160,960.

    13F-HR 0001872738-26-000010 filed by CenterBook Partners LP
    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 120,303 shares
    Change vs previous 13F -135,488 shares

    0.12% of the 13F portfolio, value $2,159,439.

    13F-HR 0001872738-26-000008 filed by CenterBook Partners LP
    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 255,791 shares
    Change vs previous 13F +78,132 shares

    0.23% of the 13F portfolio, value $4,788,408.

    13F-HR 0000902664-26-000841 filed by CenterBook Partners LP
    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 177,659 shares
    Change vs previous 13F +82,573 shares

    0.12% of the 13F portfolio, value $2,444,588.

    13F-HR 0000902664-25-004789 filed by CenterBook Partners LP
    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 95,086 shares
    Change vs previous 13F -3,467 shares

    0.08% of the 13F portfolio, value $1,517,573.

    13F-HR 0000902664-25-003518 filed by CenterBook Partners LP
    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 98,553 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $1,323,567.

    13F-HR 0000902664-25-002221 filed by CenterBook Partners LP
    Filed (acceptance time not in the bulk data set), ingested

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