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Disclosery

CenterBook Partners LP: CCOI position timeline

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

CenterBook Partners LP held 503,457 CCOI 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 503,457 shares
    Change vs previous 13F +9,174 shares

    0.34% of the 13F portfolio, value $6,987,983.

    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 494,283 shares
    Change vs previous 13F -107,452 shares

    0.5% of the 13F portfolio, value $9,312,292.

    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 601,735 shares
    Change vs previous 13F +431,974 shares

    0.63% of the 13F portfolio, value $12,973,407.

    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).

  4. period ended2025-09-30
    13F 169,761 shares
    Change vs previous 13F +169,761 shares

    0.32% of the 13F portfolio, value $6,510,334.

    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 ended2025-03-31
    13F 0 shares
    Change vs previous 13F -39,594 shares

    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).

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

  6. period ended2024-12-31
    13F 39,594 shares
    Change vs previous 13F +18,694 shares

    0.18% of the 13F portfolio, value $3,051,510.

    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 20,900 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $1,586,728.

    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).