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Disclosery

HARBOR CAPITAL ADVISORS, INC.: GKOS position timeline

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

HARBOR CAPITAL ADVISORS, INC. held 15,506 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 15,506 shares
    Change vs previous 13F -10,878 shares

    0.15% of the 13F portfolio, value $2,167,000.

    13F-HR 0001039128-26-000003 filed by HARBOR CAPITAL ADVISORS, 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 26,384 shares
    Change vs previous 13F +26,384 shares

    0.23% of the 13F portfolio, value $2,841,000.

    13F-HR 0001039128-26-000002 filed by HARBOR CAPITAL ADVISORS, 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 0 shares
    Change vs previous 13F -11,621 shares

    13F-HR 0001039128-26-000001 filed by HARBOR CAPITAL ADVISORS, INC.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  4. period ended2025-09-30
    13F 11,621 shares
    Change vs previous 13F -27,684 shares

    0.07% of the 13F portfolio, value $948,000.

    13F-HR 0001039128-25-000005 filed by HARBOR CAPITAL ADVISORS, 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 39,305 shares
    Change vs previous 13F +173 shares

    0.17% of the 13F portfolio, value $4,060,000.

    13F-HR 0001039128-25-000003 filed by HARBOR CAPITAL ADVISORS, 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 39,132 shares
    Change vs previous 13F +14,593 shares

    0.18% of the 13F portfolio, value $3,851,000.

    13F-HR 0001039128-25-000002 filed by HARBOR CAPITAL ADVISORS, 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 24,539 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $3,679,000.

    13F-HR 0001039128-25-000001 filed by HARBOR CAPITAL ADVISORS, INC.
    Filed (acceptance time not in the bulk data set), ingested

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