Skip to content
Disclosery

HARBOR CAPITAL ADVISORS, INC.: ATMU position timeline

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

HARBOR CAPITAL ADVISORS, INC. held 0 ATMU shares at 2026-03-31 per its 13F-HR filed 2026-04-28.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -208 shares

    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).

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

  2. period ended2025-12-31
    13F 208 shares
    Change vs previous 13F -7,840 shares

    <0.01% of the 13F portfolio, value $11,000.

    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).

  3. period ended2025-09-30
    13F 8,048 shares
    Change vs previous 13F -31,682 shares

    0.03% of the 13F portfolio, value $363,000.

    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).

  4. period ended2025-06-30
    13F 39,730 shares
    Change vs previous 13F +199 shares

    0.06% of the 13F portfolio, value $1,447,000.

    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).

  5. period ended2025-03-31
    13F 39,531 shares
    Change vs previous 13F +8,425 shares

    0.07% of the 13F portfolio, value $1,452,000.

    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).

  6. period ended2024-12-31
    13F 31,106 shares
    Change vs previous 13F -213 shares

    0.05% of the 13F portfolio, value $1,219,000.

    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).

  7. period ended2024-09-30
    13F 31,319 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $1,175,000.

    13F-HR 0001039128-24-000005 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).