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Disclosery

MARSHALL WACE, LLP: ALEC position timeline

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

MARSHALL WACE, LLP held 598,559 ALEC 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 598,559 shares
    Change vs previous 13F -21,865 shares

    <0.01% of the 13F portfolio, value $1,203,105.

    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 620,424 shares
    Change vs previous 13F -546,393 shares

    <0.01% of the 13F portfolio, value $1,333,914.

    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 1,166,817 shares
    Change vs previous 13F +1,015,174 shares

    <0.01% of the 13F portfolio, value $1,820,234.

    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 151,643 shares
    Change vs previous 13F +151,643 shares

    <0.01% of the 13F portfolio, value $448,864.

    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 0 shares
    Change vs previous 13F -59,099 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  6. period ended2025-03-31
    13F 59,099 shares
    Change vs previous 13F +10,651 shares

    <0.01% of the 13F portfolio, value $72,692.

    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 48,448 shares
    Change vs previous 13F -5,552 shares

    <0.01% of the 13F portfolio, value $91,566.

    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 54,000 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $251,639.

    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).