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CenterBook Partners LP: AJG position timeline

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

CenterBook Partners LP held 0 AJG 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 -2,007 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 2,007 shares
    Change vs previous 13F +448 shares

    0.03% of the 13F portfolio, value $519,392.

    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 1,559 shares
    Change vs previous 13F -744 shares

    0.02% of the 13F portfolio, value $482,885.

    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 2,303 shares
    Change vs previous 13F +1,044 shares

    0.04% of the 13F portfolio, value $737,236.

    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 1,259 shares
    Change vs previous 13F -3,645 shares

    0.03% of the 13F portfolio, value $434,657.

    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 4,904 shares
    Change vs previous 13F -3,672 shares

    0.08% of the 13F portfolio, value $1,392,000.

    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 8,576 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $2,413,029.

    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).