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CenterBook Partners LP: APEI position timeline

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

CenterBook Partners LP held 46,125 APEI 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 46,125 shares
    Change vs previous 13F +29,226 shares

    0.12% of the 13F portfolio, value $2,476,913.

    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 16,899 shares
    Change vs previous 13F -102,369 shares

    0.05% of the 13F portfolio, value $961,215.

    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 119,268 shares
    Change vs previous 13F +19,736 shares

    0.22% of the 13F portfolio, value $4,508,330.

    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 99,532 shares
    Change vs previous 13F +3,327 shares

    0.19% of the 13F portfolio, value $3,928,528.

    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 96,205 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $2,930,404.

    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).