Skip to content
Disclosery

LOOMIS SAYLES & CO L P: GKOS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of LOOMIS SAYLES & CO L P on GKOS, newest first. How the timeline and the estimate are built.

LOOMIS SAYLES & CO L P held 469,388 GKOS shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 469,388 shares
    Change vs previous 13F +48,148 shares

    0.08% of the 13F portfolio, value $65,601,667.

    13F-HR 0000312348-26-000034 filed by LOOMIS SAYLES & CO L P
    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 421,240 shares
    Change vs previous 13F -26,565 shares

    0.06% of the 13F portfolio, value $45,350,699.

    13F-HR 0000312348-26-000026 filed by LOOMIS SAYLES & CO L P
    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 447,805 shares
    Change vs previous 13F +376 shares

    0.06% of the 13F portfolio, value $50,561,663.

    13F-HR 0000312348-26-000014 filed by LOOMIS SAYLES & CO L P
    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 447,429 shares
    Change vs previous 13F -146,183 shares

    0.04% of the 13F portfolio, value $36,487,835.

    13F-HR 0000312348-25-000035 filed by LOOMIS SAYLES & CO L P
    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 593,612 shares
    Change vs previous 13F -46,538 shares

    0.08% of the 13F portfolio, value $61,314,184.

    13F-HR 0000312348-25-000028 filed by LOOMIS SAYLES & CO L P
    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 640,150 shares
    Change vs previous 13F -13,922 shares

    0.09% of the 13F portfolio, value $63,003,000.

    13F-HR 0000312348-25-000021 filed by LOOMIS SAYLES & CO L P
    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 654,072 shares
    Change vs previous 13F -19,679 shares

    0.12% of the 13F portfolio, value $98,072,000.

    13F-HR 0000312348-25-000014 filed by LOOMIS SAYLES & CO L P
    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 673,751 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $87,776,000.

    13F-HR 0000312348-24-000037 filed by LOOMIS SAYLES & CO L P
    Filed (acceptance time not in the bulk data set), ingested

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