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Disclosery

MARSHALL WACE, LLP: ADTN position timeline

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

MARSHALL WACE, LLP held 1,038,292 ADTN 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 1,038,292 shares
    Change vs previous 13F +146,772 shares

    0.01% of the 13F portfolio, value $14,432,262.

    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 891,520 shares
    Change vs previous 13F +891,520 shares

    0.01% of the 13F portfolio, value $11,215,323.

    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 0 shares
    Change vs previous 13F -358,052 shares

    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).

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

  4. period ended2025-09-30
    13F 358,052 shares
    Change vs previous 13F -458,481 shares

    <0.01% of the 13F portfolio, value $3,358,528.

    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 816,533 shares
    Change vs previous 13F +382,609 shares

    0.01% of the 13F portfolio, value $7,324,301.

    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 433,924 shares
    Change vs previous 13F +49,881 shares

    0.01% of the 13F portfolio, value $3,783,817.

    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 384,043 shares
    Change vs previous 13F +170,181 shares

    <0.01% of the 13F portfolio, value $3,199,078.

    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 213,862 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,268,202.

    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).