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GAMCO Investors (Gabelli): OPCH position timeline

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

GAMCO Investors (Gabelli) held 608,160 OPCH 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 608,160 shares
    Change vs previous 13F -13,867 shares

    0.05% of the 13F portfolio, value $12,753,115.

    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: 312,560 shares
    • GABELLI FUNDS LLC: 295,600 shares

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

  2. period ended2026-03-31
    13F 622,027 shares
    Change vs previous 13F -250,285 shares

    0.07% of the 13F portfolio, value $16,744,967.

    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: 303,927 shares
    • GABELLI FUNDS LLC: 318,100 shares

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

  3. period ended2025-12-31
    13F 872,312 shares
    Change vs previous 13F +109,244 shares

    0.11% of the 13F portfolio, value $27,791,861.

    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: 369,002 shares
    • GABELLI FUNDS LLC: 503,310 shares

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

  4. period ended2025-09-30
    13F 763,068 shares
    Change vs previous 13F +192,828 shares

    0.08% of the 13F portfolio, value $21,182,768.

    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: 269,758 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 0 shares
    • GABELLI FUNDS LLC: 493,310 shares

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

  5. period ended2025-06-30
    13F 570,240 shares
    Change vs previous 13F -11,715 shares

    0.07% of the 13F portfolio, value $18,521,395.

    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: 86,930 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 10,000 shares
    • GABELLI FUNDS LLC: 473,310 shares

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

  6. period ended2025-03-31
    13F 581,955 shares
    Change vs previous 13F -90,102 shares

    0.09% of the 13F portfolio, value $20,339,327.

    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: 91,655 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 6,000 shares
    • GABELLI FUNDS LLC: 484,300 shares

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

  7. period ended2024-12-31
    13F 672,057 shares
    Change vs previous 13F +55,792 shares

    0.07% of the 13F portfolio, value $15,591,722.

    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: 108,957 shares
    • GABELLI FUNDS LLC: 563,100 shares

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

  8. period ended2024-09-30
    13F 616,265 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $19,289,095.

    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: 91,623 shares
    • GABELLI FUNDS LLC: 524,642 shares

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