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GAMCO Investors (Gabelli): STAA position timeline

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

GAMCO Investors (Gabelli) held 94,968 STAA 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 94,968 shares
    Change vs previous 13F -284,195 shares

    0.01% of the 13F portfolio, value $2,724,632.

    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: 7,750 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 32,500 shares
    • GABELLI FUNDS LLC: 54,718 shares

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

  2. period ended2026-03-31
    13F 379,163 shares
    Change vs previous 13F -500 shares

    0.03% of the 13F portfolio, value $7,090,348.

    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: 20,000 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 133,700 shares
    • GABELLI FUNDS LLC: 225,463 shares

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

  3. period ended2025-12-31
    13F 379,663 shares
    Change vs previous 13F -26,522 shares

    0.03% of the 13F portfolio, value $8,766,419.

    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: 15,000 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 139,000 shares
    • GABELLI FUNDS LLC: 225,663 shares

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

  4. period ended2025-09-30
    13F 406,185 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $10,914,191.

    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: 11,000 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 179,000 shares
    • GABELLI FUNDS LLC: 216,185 shares

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