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Disclosery

MARSHALL WACE, LLP: UNP position timeline

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

MARSHALL WACE, LLP held 81,027 UNP 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 81,027 shares
    Change vs previous 13F -65,973 shares

    0.02% of the 13F portfolio, value $22,039,344.

    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 147,000 shares
    Change vs previous 13F +123,423 shares

    0.04% of the 13F portfolio, value $35,665,140.

    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 23,577 shares
    Change vs previous 13F -118,626 shares

    0.01% of the 13F portfolio, value $5,453,832.

    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 142,203 shares
    Change vs previous 13F -499,417 shares

    0.04% of the 13F portfolio, value $33,612,523.

    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 641,620 shares
    Change vs previous 13F +381,633 shares

    0.18% of the 13F portfolio, value $147,623,931.

    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 259,987 shares
    Change vs previous 13F -24,283 shares

    0.08% of the 13F portfolio, value $61,419,329.

    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 284,270 shares
    Change vs previous 13F -1,191,895 shares

    0.08% of the 13F portfolio, value $64,824,930.

    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 1,476,165 shares
    Change vs previous 13F not available

    0.47% of the 13F portfolio, value $363,845,150.

    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).