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Disclosery

GAMCO Investors (Gabelli): PTEN position timeline

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

GAMCO Investors (Gabelli) held 155,472 PTEN 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 155,472 shares
    Change vs previous 13F +31,057 shares

    0.01% of the 13F portfolio, value $1,427,233.

    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: 55,472 shares
    • GABELLI FUNDS LLC: 100,000 shares

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

  2. period ended2026-03-31
    13F 124,415 shares
    Change vs previous 13F +2,690 shares

    0.01% of the 13F portfolio, value $1,347,414.

    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: 56,415 shares
    • GABELLI FUNDS LLC: 68,000 shares

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

  3. period ended2025-12-31
    13F 121,725 shares
    Change vs previous 13F -41,223 shares

    <0.01% of the 13F portfolio, value $743,740.

    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: 53,725 shares
    • GABELLI FUNDS LLC: 68,000 shares

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

  4. period ended2025-09-30
    13F 162,948 shares
    Change vs previous 13F +28,063 shares

    <0.01% of the 13F portfolio, value $844,071.

    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: 94,948 shares
    • GABELLI FUNDS LLC: 68,000 shares

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

  5. period ended2025-06-30
    13F 134,885 shares
    Change vs previous 13F +38,374 shares

    <0.01% of the 13F portfolio, value $799,868.

    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: 75,100 shares
    • GABELLI FUNDS LLC: 59,785 shares

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

  6. period ended2025-03-31
    13F 96,511 shares
    Change vs previous 13F +6,321 shares

    0.01% of the 13F portfolio, value $793,320.

    13F-HR 0001140361-25-018975 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 90,190 shares
    Change vs previous 13F +28,601 shares

    0.01% of the 13F portfolio, value $744,969.

    13F-HR 0001140361-25-004330 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 61,589 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $471,156.

    13F-HR 0001140361-24-046738 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

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