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CenterBook Partners LP: ASIX position timeline

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

CenterBook Partners LP held 136,684 ASIX 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 136,684 shares
    Change vs previous 13F -91,517 shares

    0.13% of the 13F portfolio, value $2,717,278.

    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 228,201 shares
    Change vs previous 13F +138,607 shares

    0.3% of the 13F portfolio, value $5,568,104.

    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 89,594 shares
    Change vs previous 13F +19,671 shares

    0.08% of the 13F portfolio, value $1,549,976.

    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 69,923 shares
    Change vs previous 13F -54,992 shares

    0.07% of the 13F portfolio, value $1,355,108.

    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 124,915 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $2,966,731.

    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).