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GAMCO Investors (Gabelli): STT position timeline

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

GAMCO Investors (Gabelli) held 847,055 STT 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 847,055 shares
    Change vs previous 13F -35,951 shares

    0.52% of the 13F portfolio, value $143,660,528.

    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: 451,003 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 2,500 shares
    • GABELLI FUNDS LLC: 393,552 shares

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

  2. period ended2026-03-31
    13F 883,006 shares
    Change vs previous 13F -37,117 shares

    0.44% of the 13F portfolio, value $111,753,239.

    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: 459,673 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 2,500 shares
    • GABELLI FUNDS LLC: 420,833 shares

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

  3. period ended2025-12-31
    13F 920,123 shares
    Change vs previous 13F -55,259 shares

    0.46% of the 13F portfolio, value $118,705,068.

    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: 495,790 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 3,100 shares
    • GABELLI FUNDS LLC: 421,233 shares

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

  4. period ended2025-09-30
    13F 975,382 shares
    Change vs previous 13F -46,758 shares

    0.44% of the 13F portfolio, value $113,154,065.

    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: 533,944 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 3,100 shares
    • GABELLI FUNDS LLC: 438,338 shares

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

  5. period ended2025-06-30
    13F 1,022,140 shares
    Change vs previous 13F -31,704 shares

    0.44% of the 13F portfolio, value $108,694,368.

    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: 557,952 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 3,100 shares
    • GABELLI FUNDS LLC: 461,088 shares

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

  6. period ended2025-03-31
    13F 1,053,844 shares
    Change vs previous 13F -17,876 shares

    0.41% of the 13F portfolio, value $94,350,653.

    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: 570,846 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 3,100 shares
    • GABELLI FUNDS LLC: 479,898 shares

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

  7. period ended2024-12-31
    13F 1,071,720 shares
    Change vs previous 13F -23,572 shares

    0.45% of the 13F portfolio, value $105,189,318.

    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: 583,672 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 3,100 shares
    • GABELLI FUNDS LLC: 484,948 shares

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

  8. period ended2024-09-30
    13F 1,095,292 shares
    Change vs previous 13F not available

    0.41% of the 13F portfolio, value $96,900,484.

    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: 602,912 shares
    • GABELLI FUNDS LLC: 492,380 shares

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