Skip to content

GAMCO Investors (Gabelli): OPLN position timeline

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

GAMCO Investors (Gabelli) held 711,000 OPLN 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 711,000 shares
    Change vs previous 13F +9,038 shares

    0.11% of the 13F portfolio, value $29,321,640.

    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: 452,000 shares
    • GABELLI FUNDS LLC: 259,000 shares

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

  2. period ended2026-03-31
    13F 701,962 shares
    Change vs previous 13F 0 shares

    0.08% of the 13F portfolio, value $20,462,192.

    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: 452,000 shares
    • GABELLI FUNDS LLC: 249,962 shares

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

  3. period ended2025-12-31
    13F 701,962 shares
    Change vs previous 13F -500 shares

    0.08% of the 13F portfolio, value $20,904,428.

    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: 452,000 shares
    • GABELLI FUNDS LLC: 249,962 shares

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

  4. period ended2025-09-30
    13F 702,462 shares
    Change vs previous 13F -3,000 shares

    0.08% of the 13F portfolio, value $20,216,856.

    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: 452,000 shares
    • GABELLI FUNDS LLC: 250,462 shares

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

  5. period ended2025-06-30
    13F 705,462 shares
    Change vs previous 13F +70,332 shares

    0.07% of the 13F portfolio, value $17,248,546.

    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: 455,000 shares
    • GABELLI FUNDS LLC: 250,462 shares

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

  6. period ended2025-03-31
    13F 635,130 shares
    Change vs previous 13F +130 shares

    0.06% of the 13F portfolio, value $12,245,306.

    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: 455,130 shares
    • GABELLI FUNDS LLC: 180,000 shares

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

  7. period ended2024-12-31
    13F 635,000 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $12,598,400.

    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: 455,000 shares
    • GABELLI FUNDS LLC: 180,000 shares

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

  8. period ended2024-09-30
    13F 635,000 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $10,718,800.

    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: 455,000 shares
    • GABELLI FUNDS LLC: 180,000 shares

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