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Disclosery

MARSHALL WACE, LLP: RAIL position timeline

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

MARSHALL WACE, LLP held 446,420 RAIL 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 446,420 shares
    Change vs previous 13F -76,219 shares

    <0.01% of the 13F portfolio, value $4,348,133.

    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 522,639 shares
    Change vs previous 13F +76,219 shares

    <0.01% of the 13F portfolio, value $4,165,432.

    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 446,420 shares
    Change vs previous 13F +214,397 shares

    <0.01% of the 13F portfolio, value $4,941,870.

    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 232,023 shares
    Change vs previous 13F -6,308 shares

    <0.01% of the 13F portfolio, value $2,269,184.

    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 238,331 shares
    Change vs previous 13F +25,895 shares

    <0.01% of the 13F portfolio, value $2,054,413.

    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 212,436 shares
    Change vs previous 13F -55,342 shares

    <0.01% of the 13F portfolio, value $1,174,771.

    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 267,778 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,399,291.

    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).