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GAMCO Investors (Gabelli): WTS position timeline

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

GAMCO Investors (Gabelli) held 555,588 WTS 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 555,588 shares
    Change vs previous 13F -2,530 shares

    0.81% of the 13F portfolio, value $217,484,922.

    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: 399,032 shares
    • GABELLI FUNDS LLC: 156,556 shares

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

  2. period ended2026-03-31
    13F 558,118 shares
    Change vs previous 13F -24,536 shares

    0.65% of the 13F portfolio, value $162,016,074.

    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: 404,093 shares
    • GABELLI FUNDS LLC: 154,025 shares

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

  3. period ended2025-12-31
    13F 582,654 shares
    Change vs previous 13F -20,998 shares

    0.64% of the 13F portfolio, value $160,824,157.

    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: 425,854 shares
    • GABELLI FUNDS LLC: 156,800 shares

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

  4. period ended2025-09-30
    13F 603,652 shares
    Change vs previous 13F -24,204 shares

    0.67% of the 13F portfolio, value $168,587,931.

    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: 439,752 shares
    • GABELLI FUNDS LLC: 163,900 shares

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

  5. period ended2025-06-30
    13F 627,856 shares
    Change vs previous 13F -14,082 shares

    0.64% of the 13F portfolio, value $154,383,512.

    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: 454,756 shares
    • GABELLI FUNDS LLC: 173,100 shares

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

  6. period ended2025-03-31
    13F 641,938 shares
    Change vs previous 13F -17,313 shares

    0.59% of the 13F portfolio, value $130,903,997.

    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: 460,238 shares
    • GABELLI FUNDS LLC: 181,700 shares

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

  7. period ended2024-12-31
    13F 659,251 shares
    Change vs previous 13F -15,580 shares

    0.59% of the 13F portfolio, value $134,025,728.

    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: 467,251 shares
    • GABELLI FUNDS LLC: 192,000 shares

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

  8. period ended2024-09-30
    13F 674,831 shares
    Change vs previous 13F not available

    0.59% of the 13F portfolio, value $139,818,235.

    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: 481,331 shares
    • GABELLI FUNDS LLC: 193,500 shares

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