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Disclosery

CenterBook Partners LP: NAT position timeline

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

CenterBook Partners LP held 0 NAT shares at 2026-03-31 per its 13F-HR filed 2026-05-05.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -3,700,409 shares

    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).

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

  2. period ended2025-12-31
    13F 3,700,409 shares
    Change vs previous 13F +1,939,211 shares

    0.62% of the 13F portfolio, value $12,729,407.

    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).

  3. period ended2025-09-30
    13F 1,761,198 shares
    Change vs previous 13F +1,104,929 shares

    0.27% of the 13F portfolio, value $5,530,162.

    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).

  4. period ended2025-06-30
    13F 656,269 shares
    Change vs previous 13F -2,479,350 shares

    0.1% of the 13F portfolio, value $1,725,987.

    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).

  5. period ended2025-03-31
    13F 3,135,619 shares
    Change vs previous 13F +1,467,916 shares

    0.49% of the 13F portfolio, value $7,713,623.

    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).

  6. period ended2024-12-31
    13F 1,667,703 shares
    Change vs previous 13F -98,403 shares

    0.25% of the 13F portfolio, value $4,169,258.

    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).

  7. period ended2024-09-30
    13F 1,766,106 shares
    Change vs previous 13F not available

    0.4% of the 13F portfolio, value $6,481,609.

    13F-HR 0000902664-24-006587 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).