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BlackRock, Inc.: GKOS position timeline

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

BlackRock, Inc. held 9,540,056 GKOS 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 9,540,056 shares
    Change vs previous 13F +450,027 shares

    0.02% of the 13F portfolio, value $1,333,318,226.

    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 9,090,029 shares
    Change vs previous 13F -74,509 shares

    0.02% of the 13F portfolio, value $978,632,521.

    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 9,164,538 shares
    Change vs previous 13F +508,743 shares

    0.02% of the 13F portfolio, value $1,034,767,984.

    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 8,655,795 shares
    Change vs previous 13F -68,679 shares

    0.01% of the 13F portfolio, value $705,880,082.

    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 8,724,474 shares
    Change vs previous 13F +168,089 shares

    0.02% of the 13F portfolio, value $901,150,918.

    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 8,556,385 shares
    Change vs previous 13F -240,893 shares

    0.02% of the 13F portfolio, value $842,119,411.

    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 8,797,278 shares
    Change vs previous 13F +319,714 shares

    0.03% of the 13F portfolio, value $1,319,063,864.

    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 8,477,564 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $1,104,457,037.

    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).