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WHITE PINE CAPITAL LLC: ATRO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WHITE PINE CAPITAL LLC on ATRO, newest first. How the timeline and the estimate are built.

WHITE PINE CAPITAL LLC held 50,391 ATRO shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 50,391 shares
    Change vs previous 13F -1,958 shares

    0.97% of the 13F portfolio, value $4,094,773.

    13F-HR 0001137429-26-000003 filed by WHITE PINE CAPITAL 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/A 52,349 shares
    Change vs previous 13F -18,494 shares

    0.95% of the 13F portfolio, value $3,493,249.

    13F-HR/A 0001137429-26-000004 filed by WHITE PINE CAPITAL 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 70,843 shares
    Change vs previous 13F -1,158 shares

    1.06% of the 13F portfolio, value $3,842,524.

    13F-HR 0001137429-26-000001 filed by WHITE PINE CAPITAL 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 72,001 shares
    Change vs previous 13F -89 shares

    0.94% of the 13F portfolio, value $3,283,966.

    13F-HR 0001137429-25-000005 filed by WHITE PINE CAPITAL LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 72,090 shares
    Change vs previous 13F +732 shares

    0.77% of the 13F portfolio, value $2,413,573.

    13F-HR 0001137429-25-000004 filed by WHITE PINE CAPITAL 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 71,358 shares
    Change vs previous 13F -33,168 shares

    0.6% of the 13F portfolio, value $1,724,723.

    13F-HR 0001137429-25-000002 filed by WHITE PINE CAPITAL 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 104,526 shares
    Change vs previous 13F -280 shares

    0.56% of the 13F portfolio, value $1,668,235.

    13F-HR 0001137429-25-000001 filed by WHITE PINE CAPITAL 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 104,806 shares
    Change vs previous 13F not available

    0.7% of the 13F portfolio, value $2,041,621.

    13F-HR 0001137429-24-000005 filed by WHITE PINE CAPITAL LLC
    Filed (acceptance time not in the bulk data set), ingested

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