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DUFF & PHELPS INVESTMENT MANAGEMENT CO: AEE position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DUFF & PHELPS INVESTMENT MANAGEMENT CO on AEE, newest first. How the timeline and the estimate are built.

DUFF & PHELPS INVESTMENT MANAGEMENT CO held 1,206,076 AEE shares at 2026-06-30 per its 13F-HR/A filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 1,206,076 shares
    Change vs previous 13F +46,195 shares

    1.29% of the 13F portfolio, value $136,334,831.

    13F-HR/A 0001140361-26-032766 filed by DUFF & PHELPS INVESTMENT MANAGEMENT CO
    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/A 1,159,881 shares
    Change vs previous 13F -45,060 shares

    1.32% of the 13F portfolio, value $127,494,120.

    13F-HR/A 0001140361-26-029563 filed by DUFF & PHELPS INVESTMENT MANAGEMENT CO
    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 1,204,941 shares
    Change vs previous 13F -47,480 shares

    1.36% of the 13F portfolio, value $120,325,408.

    13F-HR 0001140361-26-002362 filed by DUFF & PHELPS INVESTMENT MANAGEMENT CO
    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 1,252,421 shares
    Change vs previous 13F -144,823 shares

    1.48% of the 13F portfolio, value $130,727,704.

    13F-HR 0001140361-25-041885 filed by DUFF & PHELPS INVESTMENT MANAGEMENT CO
    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 1,397,244 shares
    Change vs previous 13F -614 shares

    1.58% of the 13F portfolio, value $134,191,314.

    13F-HR 0001140361-25-030078 filed by DUFF & PHELPS INVESTMENT MANAGEMENT CO
    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 1,397,858 shares
    Change vs previous 13F -111,200 shares

    1.64% of the 13F portfolio, value $140,344,943.

    13F-HR 0001140361-25-018540 filed by DUFF & PHELPS INVESTMENT MANAGEMENT CO
    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 1,509,058 shares
    Change vs previous 13F -2,447 shares

    1.61% of the 13F portfolio, value $134,517,430.

    13F-HR 0001140361-25-003945 filed by DUFF & PHELPS INVESTMENT MANAGEMENT CO
    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 1,511,505 shares
    Change vs previous 13F not available

    1.52% of the 13F portfolio, value $132,196,227.

    13F-HR 0001140361-24-047052 filed by DUFF & PHELPS INVESTMENT MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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