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Disclosery

CITADEL ADVISORS LLC: ASPN position timeline

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

CITADEL ADVISORS LLC held 238,731 ASPN 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 238,731 shares
    Change vs previous 13F -342,456 shares

    <0.01% of the 13F portfolio, value $1,513,555.

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

  2. period ended2026-03-31
    13F 581,187 shares
    Change vs previous 13F -285,031 shares

    <0.01% of the 13F portfolio, value $1,987,660.

    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 866,218 shares
    Change vs previous 13F -248,372 shares

    <0.01% of the 13F portfolio, value $2,451,397.

    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 1,114,590 shares
    Change vs previous 13F +951,558 shares

    0.01% of the 13F portfolio, value $7,757,546.

    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 163,032 shares
    Change vs previous 13F -414,728 shares

    <0.01% of the 13F portfolio, value $965,149.

    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 577,760 shares
    Change vs previous 13F -46,470 shares

    <0.01% of the 13F portfolio, value $3,691,886.

    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 624,230 shares
    Change vs previous 13F +226,445 shares

    0.01% of the 13F portfolio, value $7,415,852.

    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 397,785 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $11,014,667.

    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).