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GAMCO Investors (Gabelli): CTS position timeline

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

GAMCO Investors (Gabelli) held 1,620,496 CTS 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 1,620,496 shares
    Change vs previous 13F -48,219 shares

    0.39% of the 13F portfolio, value $105,640,134.

    13F-HR 0001140361-26-032508 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 1,170,496 shares
    • GABELLI FUNDS LLC: 450,000 shares

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

  2. period ended2026-03-31
    13F 1,668,715 shares
    Change vs previous 13F -56,664 shares

    0.32% of the 13F portfolio, value $79,697,828.

    13F-HR 0001140361-26-021334 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 1,198,765 shares
    • GABELLI FUNDS LLC: 469,950 shares

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

  3. period ended2025-12-31
    13F 1,725,379 shares
    Change vs previous 13F -41,807 shares

    0.29% of the 13F portfolio, value $73,966,998.

    13F-HR 0001140361-26-003895 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 1,235,329 shares
    • GABELLI FUNDS LLC: 490,050 shares

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

  4. period ended2025-09-30
    13F 1,767,186 shares
    Change vs previous 13F -5,416 shares

    0.28% of the 13F portfolio, value $70,581,409.

    13F-HR 0001140361-25-041670 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 1,274,636 shares
    • GABELLI FUNDS LLC: 492,550 shares

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

  5. period ended2025-06-30
    13F 1,772,602 shares
    Change vs previous 13F -13,062 shares

    0.31% of the 13F portfolio, value $75,530,572.

    13F-HR 0001140361-25-030814 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 1,279,052 shares
    • GABELLI FUNDS LLC: 493,550 shares

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

  6. period ended2025-03-31
    13F 1,785,664 shares
    Change vs previous 13F -6,693 shares

    0.33% of the 13F portfolio, value $74,194,340.

    13F-HR 0001140361-25-018975 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 1,264,414 shares
    • GABELLI FUNDS LLC: 521,250 shares

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

  7. period ended2024-12-31
    13F 1,792,357 shares
    Change vs previous 13F -57,929 shares

    0.41% of the 13F portfolio, value $94,510,985.

    13F-HR 0001140361-25-004330 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 1,267,107 shares
    • GABELLI FUNDS LLC: 525,250 shares

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

  8. period ended2024-09-30
    13F 1,850,286 shares
    Change vs previous 13F not available

    0.38% of the 13F portfolio, value $89,516,837.

    13F-HR 0001140361-24-046738 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 1,318,736 shares
    • GABELLI FUNDS LLC: 531,550 shares

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