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Disclosery

MARSHALL WACE, LLP: ISSC position timeline

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

MARSHALL WACE, LLP held 691,799 ISSC 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 691,799 shares
    Change vs previous 13F -61,578 shares

    0.01% of the 13F portfolio, value $12,452,382.

    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 753,377 shares
    Change vs previous 13F -1,111 shares

    0.02% of the 13F portfolio, value $15,466,831.

    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 754,488 shares
    Change vs previous 13F +275,286 shares

    0.01% of the 13F portfolio, value $14,290,004.

    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 479,202 shares
    Change vs previous 13F +189,375 shares

    0.01% of the 13F portfolio, value $5,985,230.

    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 289,827 shares
    Change vs previous 13F +95,178 shares

    <0.01% of the 13F portfolio, value $4,022,798.

    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 194,649 shares
    Change vs previous 13F +44,441 shares

    <0.01% of the 13F portfolio, value $1,224,343.

    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 150,208 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,282,776.

    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).