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CenterBook Partners LP: XERS position timeline

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

CenterBook Partners LP held 280,565 XERS 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 280,565 shares
    Change vs previous 13F -968,056 shares

    0.11% of the 13F portfolio, value $2,222,075.

    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 1,248,621 shares
    Change vs previous 13F -142,969 shares

    0.39% of the 13F portfolio, value $7,242,002.

    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 1,391,590 shares
    Change vs previous 13F +693,386 shares

    0.53% of the 13F portfolio, value $10,923,982.

    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 698,204 shares
    Change vs previous 13F -896,025 shares

    0.28% of the 13F portfolio, value $5,683,381.

    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 1,594,229 shares
    Change vs previous 13F +1,122,154 shares

    0.41% of the 13F portfolio, value $7,445,049.

    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 472,075 shares
    Change vs previous 13F -218,002 shares

    0.17% of the 13F portfolio, value $2,591,692.

    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 690,077 shares
    Change vs previous 13F -2,791,929 shares

    0.14% of the 13F portfolio, value $2,339,361.

    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 3,482,006 shares
    Change vs previous 13F not available

    0.61% of the 13F portfolio, value $9,923,717.

    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).