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Disclosery

MARSHALL WACE, LLP: ASPN position timeline

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

MARSHALL WACE, LLP held 1,146,707 ASPN shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,146,707 shares
    Change vs previous 13F -116,395 shares

    0.01% of the 13F portfolio, value $7,270,122.

    13F-HR 0001318757-26-000010 filed by MARSHALL WACE, LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 1,263,102 shares
    Change vs previous 13F +708,922 shares

    <0.01% of the 13F portfolio, value $4,319,807.

    13F-HR 0001318757-26-000005 filed by MARSHALL WACE, LLP
    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 554,180 shares
    Change vs previous 13F +241,990 shares

    <0.01% of the 13F portfolio, value $1,568,329.

    13F-HR 0001318757-26-000003 filed by MARSHALL WACE, LLP
    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 312,190 shares
    Change vs previous 13F -91,816 shares

    <0.01% of the 13F portfolio, value $2,172,842.

    13F-HR 0001318757-25-000046 filed by MARSHALL WACE, LLP
    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 404,006 shares
    Change vs previous 13F +98,171 shares

    <0.01% of the 13F portfolio, value $2,391,715.

    13F-HR 0001318757-25-000034 filed by MARSHALL WACE, LLP
    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 305,835 shares
    Change vs previous 13F +281,305 shares

    <0.01% of the 13F portfolio, value $1,954,286.

    13F-HR 0001318757-25-000023 filed by MARSHALL WACE, LLP
    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 24,530 shares
    Change vs previous 13F -6,570 shares

    <0.01% of the 13F portfolio, value $291,417.

    13F-HR 0002048047-25-000005 filed by MARSHALL WACE, LLP
    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 31,100 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $861,159.

    13F-HR 0001318757-24-000018 filed by MARSHALL WACE, LLP
    Filed (acceptance time not in the bulk data set), ingested

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