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Disclosery

CITADEL ADVISORS LLC: ECHO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CITADEL ADVISORS LLC on ECHO, newest first. How the timeline and the estimate are built.

CITADEL ADVISORS LLC held 3,403,098 ECHO shares at 2026-06-30 per its 13F-HR/A filed 2026-09-02.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 3,403,098 shares
    Change vs previous 13F +2,899,367 shares

    0.2% of the 13F portfolio, value $345,414,447.

    13F-HR/A 0001104659-26-104387 filed by CITADEL ADVISORS LLC
    Accepted , ingested

  2. period ended2026-03-31
    13F 503,731 shares
    Change vs previous 13F -199,680 shares

    0.04% of the 13F portfolio, value $58,971,789.

    13F-HR 0001104659-26-062477 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 703,411 shares
    Change vs previous 13F +703,411 shares

    0.05% of the 13F portfolio, value $76,460,776.

    13F-HR 0001104659-26-016408 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -691,319 shares

    13F-HR 0001104659-25-112514 filed by CITADEL ADVISORS 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.

  5. period ended2025-06-30
    13F 691,319 shares
    Change vs previous 13F -1,024,945 shares

    0.02% of the 13F portfolio, value $19,149,536.

    13F-HR 0001104659-25-078555 filed by CITADEL ADVISORS LLC
    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 1,716,264 shares
    Change vs previous 13F +1,413,813 shares

    0.04% of the 13F portfolio, value $43,902,033.

    13F-HR 0000950123-25-005687 filed by CITADEL ADVISORS LLC
    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 302,451 shares
    Change vs previous 13F +273,556 shares

    0.01% of the 13F portfolio, value $6,926,128.

    13F-HR 0000950123-25-002739 filed by CITADEL ADVISORS LLC
    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 28,895 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $717,174.

    13F-HR 0000950123-24-011767 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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