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GAMCO Investors (Gabelli): SWX position timeline

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

GAMCO Investors (Gabelli) held 1,715,037 SWX 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 1,715,037 shares
    Change vs previous 13F -33,870 shares

    0.57% of the 13F portfolio, value $152,089,481.

    13F-HR 0001140361-26-032509 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 764,194 shares
    • GABELLI FUNDS LLC: 950,843 shares

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

  2. period ended2026-03-31
    13F 1,748,907 shares
    Change vs previous 13F -84,666 shares

    0.61% of the 13F portfolio, value $151,980,018.

    13F-HR 0001140361-26-021337 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 782,818 shares
    • GABELLI FUNDS LLC: 966,089 shares

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

  3. period ended2025-12-31
    13F 1,833,573 shares
    Change vs previous 13F -262 shares

    0.58% of the 13F portfolio, value $146,722,512.

    13F-HR 0001140361-26-003893 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 819,286 shares
    • GABELLI FUNDS LLC: 1,014,287 shares

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

  4. period ended2025-09-30
    13F 1,833,835 shares
    Change vs previous 13F -74,999 shares

    0.57% of the 13F portfolio, value $143,662,634.

    13F-HR 0001140361-25-041671 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 823,693 shares
    • GABELLI FUNDS LLC: 1,010,142 shares

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

  5. period ended2025-06-30
    13F 1,908,834 shares
    Change vs previous 13F +104,777 shares

    0.59% of the 13F portfolio, value $141,998,161.

    13F-HR 0001140361-25-030816 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 860,337 shares
    • GABELLI FUNDS LLC: 1,048,497 shares

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

  6. period ended2025-03-31
    13F 1,804,057 shares
    Change vs previous 13F -83,643 shares

    0.58% of the 13F portfolio, value $129,531,293.

    13F-HR 0001140361-25-018974 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 830,742 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 0 shares
    • GABELLI FUNDS LLC: 973,315 shares

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

  7. period ended2024-12-31
    13F 1,887,700 shares
    Change vs previous 13F -76,270 shares

    0.57% of the 13F portfolio, value $133,479,267.

    13F-HR 0001140361-25-004328 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 843,912 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 18,000 shares
    • GABELLI FUNDS LLC: 1,025,788 shares

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

  8. period ended2024-09-30
    13F 1,963,970 shares
    Change vs previous 13F not available

    0.6% of the 13F portfolio, value $144,862,428.

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

    • GAMCO INVESTORS, INC. ET AL: 852,277 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 34,250 shares
    • GABELLI FUNDS LLC: 1,077,443 shares

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