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GAMMA Investing LLC: WMK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMMA Investing LLC on WMK, newest first. How the timeline and the estimate are built.

GAMMA Investing LLC held 509 WMK shares at 2026-09-30 per its 13F-HR filed 2026-10-08.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 509 shares
    Change vs previous 13F +48 shares

    <0.01% of the 13F portfolio, value $37,147.

    13F-HR 0002010235-26-000007 filed by GAMMA Investing LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 461 shares
    Change vs previous 13F +145 shares

    <0.01% of the 13F portfolio, value $36,101.

    13F-HR 0002010235-26-000005 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 316 shares
    Change vs previous 13F +94 shares

    <0.01% of the 13F portfolio, value $21,611.

    13F-HR 0002010235-26-000003 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 222 shares
    Change vs previous 13F +44 shares

    <0.01% of the 13F portfolio, value $14,228.

    13F-HR 0002010235-26-000001 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 178 shares
    Change vs previous 13F -38 shares

    <0.01% of the 13F portfolio, value $12,793.

    13F-HR 0002010235-25-000009 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 216 shares
    Change vs previous 13F +12 shares

    <0.01% of the 13F portfolio, value $15,658.

    13F-HR 0002010235-25-000007 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F/A 204 shares
    Change vs previous 13F +26 shares

    <0.01% of the 13F portfolio, value $15,718.

    13F-HR/A 0002010235-25-000006 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 178 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $12,054.

    13F-HR 0002010235-25-000001 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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