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CITADEL ADVISORS LLC: MNTN position timeline

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

CITADEL ADVISORS LLC held 541,761 MNTN 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 541,761 shares
    Change vs previous 13F -88,958 shares

    <0.01% of the 13F portfolio, value $4,984,201.

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

  2. period ended2026-03-31
    13F 630,719 shares
    Change vs previous 13F +78,563 shares

    <0.01% of the 13F portfolio, value $5,550,327.

    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 552,156 shares
    Change vs previous 13F +312,330 shares

    <0.01% of the 13F portfolio, value $6,592,742.

    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 239,826 shares
    Change vs previous 13F -80,430 shares

    <0.01% of the 13F portfolio, value $4,448,773.

    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).

  5. period ended2025-06-30
    13F 320,256 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $7,003,999.

    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).