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Calamos Advisors LLC: UNP position timeline

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

Calamos Advisors LLC held 299,628 UNP shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 299,628 shares
    Change vs previous 13F -24,772 shares

    0.26% of the 13F portfolio, value $81,498,907.

    13F-HR 0001316507-26-000003 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 254,930 shares
    • Calamos Wealth Management LLC: 44,698 shares

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

  2. period ended2026-03-31
    13F 324,400 shares
    Change vs previous 13F +44,884 shares

    0.27% of the 13F portfolio, value $78,705,928.

    13F-HR 0001316507-26-000002 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 280,779 shares
    • Calamos Wealth Management LLC: 43,621 shares

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

  3. period ended2025-12-31
    13F 279,516 shares
    Change vs previous 13F -8,118 shares

    0.24% of the 13F portfolio, value $64,657,641.

    13F-HR 0001316507-26-000001 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 275,352 shares
    • Calamos Wealth Management LLC: 4,164 shares

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

  4. period ended2025-09-30
    13F 287,634 shares
    Change vs previous 13F +100,601 shares

    0.25% of the 13F portfolio, value $67,988,049.

    13F-HR 0001316507-25-000003 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 283,927 shares
    • Calamos Wealth Management LLC: 3,707 shares

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

  5. period ended2025-06-30
    13F 187,033 shares
    Change vs previous 13F +7,714 shares

    0.17% of the 13F portfolio, value $43,032,552.

    13F-HR 0001085146-25-004696 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 185,155 shares
    • Calamos Wealth Management LLC: 1,878 shares

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

  6. period ended2025-03-31
    13F 179,319 shares
    Change vs previous 13F -4,592 shares

    0.18% of the 13F portfolio, value $42,362,320.

    13F-HR 0001085146-25-002415 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 177,355 shares
    • Calamos Wealth Management LLC: 1,964 shares

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

  7. period ended2024-12-31
    13F 183,911 shares
    Change vs previous 13F -160,206 shares

    0.18% of the 13F portfolio, value $41,939,064.

    13F-HR 0001085146-25-000482 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 181,736 shares
    • Calamos Wealth Management LLC: 2,175 shares

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

  8. period ended2024-09-30
    13F 344,117 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $84,817,958.

    13F-HR 0001085146-24-005402 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 340,923 shares
    • Calamos Wealth Management LLC: 3,194 shares

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