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ZACKS INVESTMENT MANAGEMENT: COR position timeline

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

ZACKS INVESTMENT MANAGEMENT held 46,604 COR 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 46,604 shares
    Change vs previous 13F -22,612 shares

    0.09% of the 13F portfolio, value $13,188,243.

    13F-HR 0001172661-26-003391 filed by ZACKS INVESTMENT MANAGEMENT
    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 69,216 shares
    Change vs previous 13F +3,210 shares

    0.17% of the 13F portfolio, value $21,743,386.

    13F-HR 0001172661-26-001904 filed by ZACKS INVESTMENT MANAGEMENT
    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 66,006 shares
    Change vs previous 13F +1,108 shares

    0.18% of the 13F portfolio, value $22,293,290.

    13F-HR 0001172661-26-000942 filed by ZACKS INVESTMENT MANAGEMENT
    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 64,898 shares
    Change vs previous 13F +3,426 shares

    0.16% of the 13F portfolio, value $20,282,826.

    13F-HR 0001172661-25-005127 filed by ZACKS INVESTMENT MANAGEMENT
    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 61,472 shares
    Change vs previous 13F +25,042 shares

    0.16% of the 13F portfolio, value $18,432,397.

    13F-HR 0001172661-25-003061 filed by ZACKS INVESTMENT MANAGEMENT
    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 36,430 shares
    Change vs previous 13F +34,710 shares

    0.09% of the 13F portfolio, value $10,130,682.

    13F-HR 0001172661-25-001873 filed by ZACKS INVESTMENT MANAGEMENT
    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 1,720 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $386,446.

    13F-HR 0001172661-25-000838 filed by ZACKS INVESTMENT MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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