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Disclosery

GAMCO Investors (Gabelli): COR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMCO Investors (Gabelli) on COR, newest first. How the timeline and the estimate are built.

GAMCO Investors (Gabelli) held 26,910 COR shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 26,910 shares
    Change vs previous 13F +940 shares

    0.05% of the 13F portfolio, value $7,614,992.

    13F-HR 0001140361-26-032509 filed by GABELLI FUNDS 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 25,970 shares
    Change vs previous 13F -18,440 shares

    0.06% of the 13F portfolio, value $8,158,216.

    13F-HR 0001140361-26-021337 filed by GABELLI FUNDS 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 44,410 shares
    Change vs previous 13F -3,360 shares

    0.1% of the 13F portfolio, value $14,999,478.

    13F-HR 0001140361-26-003893 filed by GABELLI FUNDS LLC
    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 47,770 shares
    Change vs previous 13F 0 shares

    0.1% of the 13F portfolio, value $14,929,558.

    13F-HR 0001140361-25-041671 filed by GABELLI FUNDS LLC
    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 47,770 shares
    Change vs previous 13F -3,355 shares

    0.1% of the 13F portfolio, value $14,323,835.

    13F-HR 0001140361-25-030816 filed by GABELLI FUNDS LLC
    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 51,125 shares
    Change vs previous 13F -5,600 shares

    0.11% of the 13F portfolio, value $14,217,351.

    13F-HR 0001140361-25-018974 filed by GABELLI FUNDS LLC
    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 56,725 shares
    Change vs previous 13F +725 shares

    0.1% of the 13F portfolio, value $12,744,973.

    13F-HR 0001140361-25-004328 filed by GABELLI FUNDS LLC
    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 56,000 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $12,604,480.

    13F-HR 0001140361-24-046503 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

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