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GAMCO Investors (Gabelli): PRIM position timeline

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

GAMCO Investors (Gabelli) held 50,353 PRIM 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 50,353 shares
    Change vs previous 13F -10,871 shares

    0.02% of the 13F portfolio, value $4,990,989.

    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: 7,086 shares
    • GABELLI FUNDS LLC: 43,267 shares

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

  2. period ended2026-03-31
    13F 61,224 shares
    Change vs previous 13F -8,781 shares

    0.04% of the 13F portfolio, value $8,757,481.

    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: 9,048 shares
    • GABELLI FUNDS LLC: 52,176 shares

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

  3. period ended2025-12-31
    13F 70,005 shares
    Change vs previous 13F -8,774 shares

    0.03% of the 13F portfolio, value $8,690,421.

    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: 9,201 shares
    • GABELLI FUNDS LLC: 60,804 shares

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

  4. period ended2025-09-30
    13F 78,779 shares
    Change vs previous 13F -17,960 shares

    0.04% of the 13F portfolio, value $10,818,720.

    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: 10,525 shares
    • GABELLI FUNDS LLC: 68,254 shares

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

  5. period ended2025-06-30
    13F 96,739 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $7,539,837.

    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: 12,597 shares
    • GABELLI FUNDS LLC: 84,142 shares

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