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Disclosery

Main Street Research LLC: UNP position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Main Street Research LLC on UNP, newest first. How the timeline and the estimate are built.

Main Street Research LLC held 2,413 UNP shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,413 shares
    Change vs previous 13F -1,716 shares

    0.03% of the 13F portfolio, value $656,336.

    13F-HR 0001420506-26-001335 filed by Main Street Research LLC
    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 4,129 shares
    Change vs previous 13F +1,787 shares

    0.06% of the 13F portfolio, value $1,001,778.

    13F-HR 0001420506-26-000773 filed by Main Street Research LLC
    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 2,342 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $541,751.

    13F-HR 0001420506-26-000210 filed by Main Street Research LLC
    Filed (acceptance time not in the bulk data set), ingested

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