Skip to content
Disclosery

ISTHMUS PARTNERS, LLC: ATKR position timeline

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

ISTHMUS PARTNERS, LLC held 38,120 ATKR shares at 2026-06-30 per its 13F-HR filed 2026-07-20.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 38,120 shares
    Change vs previous 13F +1,306 shares

    0.28% of the 13F portfolio, value $2,898,645.

    13F-HR 0001104659-26-084982 filed by ISTHMUS PARTNERS, LLC
    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 36,814 shares
    Change vs previous 13F +582 shares

    0.23% of the 13F portfolio, value $2,168,713.

    13F-HR 0001104659-26-051814 filed by ISTHMUS PARTNERS, LLC
    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 36,232 shares
    Change vs previous 13F +1,383 shares

    0.25% of the 13F portfolio, value $2,291,674.

    13F-HR 0001104659-26-010761 filed by ISTHMUS PARTNERS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 34,849 shares
    Change vs previous 13F +10,198 shares

    13F-HR 0001104659-25-108816 filed by ISTHMUS PARTNERS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Percent of portfolio not computed: a value is missing or excluded from ratios (H1, H10).

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

  5. period ended2025-06-30
    13F 24,651 shares
    Change vs previous 13F +1,268 shares

    0.2% of the 13F portfolio, value $1,739,128.

    13F-HR 0001104659-25-077422 filed by ISTHMUS PARTNERS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 23,383 shares
    Change vs previous 13F +1,942 shares

    0.18% of the 13F portfolio, value $1,402,746.

    13F-HR 0001104659-25-043531 filed by ISTHMUS PARTNERS, LLC
    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 21,441 shares
    Change vs previous 13F +162 shares

    0.22% of the 13F portfolio, value $1,789,251.

    13F-HR 0001104659-25-010479 filed by ISTHMUS PARTNERS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 21,279 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $1,803,182.

    13F-HR 0001104659-24-118464 filed by ISTHMUS PARTNERS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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