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BlackRock, Inc.: OPTT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BlackRock, Inc. on OPTT, newest first. How the timeline and the estimate are built.

BlackRock, Inc. held 3,329,108 OPTT shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,329,108 shares
    Change vs previous 13F -1 shares

    <0.01% of the 13F portfolio, value $872,226.

    13F-HR 0002012383-26-003238 filed by BlackRock, 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 3,329,109 shares
    Change vs previous 13F +511,005 shares

    <0.01% of the 13F portfolio, value $1,165,188.

    13F-HR 0002012383-26-001841 filed by BlackRock, 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 2,818,104 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $845,431.

    13F-HR 0002012383-26-000920 filed by BlackRock, 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 2,818,104 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $1,419,479.

    13F-HR 0002012383-25-002949 filed by BlackRock, 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 2,818,104 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $1,338,318.

    13F-HR 0001060021-25-000120 filed by BlackRock, 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 2,818,104 shares
    Change vs previous 13F +2,240,713 shares

    <0.01% of the 13F portfolio, value $1,284,492.

    13F-HR 0001576419-25-000869 filed by BlackRock, 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 577,391 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $588,939.

    13F-HR 0001060021-25-000002 filed by BlackRock, Inc.
    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 577,391 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $89,958.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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