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JANE STREET GROUP, LLC: CECO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of JANE STREET GROUP, LLC on CECO, newest first. How the timeline and the estimate are built.

JANE STREET GROUP, LLC held 0 CECO shares at 2026-03-31 per its 13F-HR filed 2026-05-12.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -88,820 shares

    13F-HR 0001595888-26-000043 filed by JANE STREET GROUP, LLC
    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.

  2. period ended2025-12-31
    13F 88,820 shares
    Change vs previous 13F -229,014 shares

    0.01% of the 13F portfolio, value $5,315,876.

    13F-HR 0001595888-26-000023 filed by JANE STREET GROUP, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-09-30
    13F 317,834 shares
    Change vs previous 13F +257,581 shares

    0.02% of the 13F portfolio, value $16,273,101.

    13F-HR 0001595888-25-000155 filed by JANE STREET GROUP, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-06-30
    13F 60,253 shares
    Change vs previous 13F +14,323 shares

    <0.01% of the 13F portfolio, value $1,705,762.

    13F-HR 0001595888-25-000117 filed by JANE STREET GROUP, LLC
    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/A 45,930 shares
    Change vs previous 13F +45,930 shares

    <0.01% of the 13F portfolio, value $1,047,204.

    13F-HR/A 0001595888-25-000100 filed by JANE STREET GROUP, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -28,256 shares

    13F-HR 0001595888-25-000068 filed by JANE STREET GROUP, LLC
    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.

  7. period ended2024-09-30
    13F 28,256 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $796,819.

    13F-HR 0001595888-24-000063 filed by JANE STREET GROUP, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).