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Impax Asset Management Group plc: UNP position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Impax Asset Management Group plc on UNP, newest first. How the timeline and the estimate are built.

Impax Asset Management Group plc held 455,346 UNP shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 455,346 shares
    Change vs previous 13F -292,870 shares

    0.81% of the 13F portfolio, value $123,854,082.

    13F-HR 0001749768-26-000004 filed by Impax Asset Management Group plc
    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 748,216 shares
    Change vs previous 13F +58,860 shares

    1.27% of the 13F portfolio, value $181,532,347.

    13F-HR 0001749768-26-000002 filed by Impax Asset Management Group plc
    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 689,356 shares
    Change vs previous 13F -78,916 shares

    1% of the 13F portfolio, value $159,461,877.

    13F-HR 0001749768-26-000001 filed by Impax Asset Management Group plc
    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 768,272 shares
    Change vs previous 13F +162,113 shares

    1.06% of the 13F portfolio, value $181,596,565.

    13F-HR 0001749768-25-000052 filed by Impax Asset Management Group plc
    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 606,159 shares
    Change vs previous 13F -49,155 shares

    0.8% of the 13F portfolio, value $139,465,166.

    13F-HR 0001749768-25-000049 filed by Impax Asset Management Group plc
    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 655,314 shares
    Change vs previous 13F +32,511 shares

    0.93% of the 13F portfolio, value $154,811,455.

    13F-HR 0001749768-25-000042 filed by Impax Asset Management Group plc
    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 622,803 shares
    Change vs previous 13F +76,567 shares

    0.64% of the 13F portfolio, value $142,023,996.

    13F-HR 0001749768-25-000039 filed by Impax Asset Management Group plc
    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/A 546,236 shares
    Change vs previous 13F not available

    0.53% of the 13F portfolio, value $134,636,249.

    13F-HR/A 0001749768-24-000024 filed by Impax Asset Management Group plc
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).