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ADVISORY RESEARCH INC: OPLN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ADVISORY RESEARCH INC on OPLN, newest first. How the timeline and the estimate are built.

ADVISORY RESEARCH INC held 1,533,557 OPLN shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,533,557 shares
    Change vs previous 13F +251,945 shares

    6.31% of the 13F portfolio, value $63,243,891.

    13F-HR 0000902584-26-000007 filed by ADVISORY RESEARCH INC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 1,281,612 shares
    Change vs previous 13F +148,257 shares

    4.59% of the 13F portfolio, value $37,358,990.

    13F-HR 0000902584-26-000003 filed by ADVISORY RESEARCH INC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 1,133,355 shares
    Change vs previous 13F +115,724 shares

    4.24% of the 13F portfolio, value $33,751,312.

    13F-HR 0000902584-26-000002 filed by ADVISORY RESEARCH INC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 1,017,631 shares
    Change vs previous 13F +178,400 shares

    3.85% of the 13F portfolio, value $29,287,420.

    13F-HR 0000902584-25-000004 filed by ADVISORY RESEARCH INC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 839,231 shares
    Change vs previous 13F +27,725 shares

    3.15% of the 13F portfolio, value $20,519,198.

    13F-HR 0001085146-25-005021 filed by ADVISORY RESEARCH INC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 811,506 shares
    Change vs previous 13F +319,495 shares

    2.76% of the 13F portfolio, value $15,645,836.

    13F-HR 0001085146-25-003120 filed by ADVISORY RESEARCH INC
    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 492,011 shares
    Change vs previous 13F not available

    1.62% of the 13F portfolio, value $9,761,499.

    13F-HR 0001085146-25-001329 filed by ADVISORY RESEARCH INC
    Filed (acceptance time not in the bulk data set), ingested

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