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CenterBook Partners LP: MTRX position timeline

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

CenterBook Partners LP held 154,058 MTRX 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 154,058 shares
    Change vs previous 13F -277,367 shares

    0.1% of the 13F portfolio, value $2,110,595.

    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 431,425 shares
    Change vs previous 13F -202,621 shares

    0.27% of the 13F portfolio, value $4,952,759.

    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 634,046 shares
    Change vs previous 13F +226,325 shares

    0.36% of the 13F portfolio, value $7,418,338.

    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 407,721 shares
    Change vs previous 13F +183,288 shares

    0.26% of the 13F portfolio, value $5,332,991.

    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 224,433 shares
    Change vs previous 13F -312,014 shares

    0.17% of the 13F portfolio, value $3,032,090.

    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 536,447 shares
    Change vs previous 13F +476,148 shares

    0.42% of the 13F portfolio, value $6,668,036.

    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).

  7. period ended2024-12-31
    13F 60,299 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $721,779.

    13F-HR 0000902664-25-000921 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).