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CITADEL ADVISORS LLC: SIGA position timeline

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

CITADEL ADVISORS LLC held 551,246 SIGA 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 551,246 shares
    Change vs previous 13F -153,891 shares

    <0.01% of the 13F portfolio, value $2,006,535.

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

  2. period ended2026-03-31
    13F 705,137 shares
    Change vs previous 13F -337,946 shares

    <0.01% of the 13F portfolio, value $3,772,483.

    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 1,043,083 shares
    Change vs previous 13F -82,080 shares

    <0.01% of the 13F portfolio, value $6,373,237.

    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 1,125,163 shares
    Change vs previous 13F -269,332 shares

    0.01% of the 13F portfolio, value $10,295,242.

    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 1,394,495 shares
    Change vs previous 13F +233,682 shares

    0.01% of the 13F portfolio, value $9,092,108.

    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 1,160,813 shares
    Change vs previous 13F +108,910 shares

    0.01% of the 13F portfolio, value $6,361,255.

    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 1,051,903 shares
    Change vs previous 13F -16,668 shares

    0.01% of the 13F portfolio, value $6,321,937.

    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 1,068,571 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $7,212,855.

    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).