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CenterBook Partners LP: SEI position timeline

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

CenterBook Partners LP held 33,097 SEI 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 33,097 shares
    Change vs previous 13F -113,615 shares

    0.13% of the 13F portfolio, value $2,662,985.

    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 146,712 shares
    Change vs previous 13F -209,760 shares

    0.45% of the 13F portfolio, value $8,290,695.

    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 356,472 shares
    Change vs previous 13F -58,981 shares

    0.8% of the 13F portfolio, value $16,387,018.

    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 415,453 shares
    Change vs previous 13F +347,693 shares

    0.82% of the 13F portfolio, value $16,605,656.

    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 67,760 shares
    Change vs previous 13F -210,516 shares

    0.11% of the 13F portfolio, value $1,916,930.

    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 278,276 shares
    Change vs previous 13F +109,938 shares

    0.39% of the 13F portfolio, value $6,055,286.

    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 168,338 shares
    Change vs previous 13F -351,515 shares

    0.29% of the 13F portfolio, value $4,844,768.

    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).

  8. period ended2024-09-30
    13F 519,853 shares
    Change vs previous 13F not available

    0.41% of the 13F portfolio, value $6,633,324.

    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).