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ROYCE & ASSOCIATES LP: ATRO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ROYCE & ASSOCIATES LP on ATRO, newest first. How the timeline and the estimate are built.

ROYCE & ASSOCIATES LP held 393,413 ATRO 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 393,413 shares
    Change vs previous 13F +30,030 shares

    0.26% of the 13F portfolio, value $31,968,740.

    13F-HR 0000906304-26-000154 filed by ROYCE & ASSOCIATES LP
    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 363,383 shares
    Change vs previous 13F -157,214 shares

    0.24% of the 13F portfolio, value $24,248,548.

    13F-HR 0000906304-26-000094 filed by ROYCE & ASSOCIATES LP
    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 520,597 shares
    Change vs previous 13F -84,180 shares

    0.29% of the 13F portfolio, value $28,237,181.

    13F-HR 0000906304-26-000037 filed by ROYCE & ASSOCIATES LP
    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 604,777 shares
    Change vs previous 13F -101,129 shares

    0.28% of the 13F portfolio, value $27,583,879.

    13F-HR 0000906304-25-000248 filed by ROYCE & ASSOCIATES LP
    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 705,906 shares
    Change vs previous 13F -252,999 shares

    0.24% of the 13F portfolio, value $23,633,733.

    13F-HR 0000906304-25-000173 filed by ROYCE & ASSOCIATES LP
    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 958,905 shares
    Change vs previous 13F -191,450 shares

    0.25% of the 13F portfolio, value $23,176,734.

    13F-HR 0000906304-25-000113 filed by ROYCE & ASSOCIATES LP
    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 1,150,355 shares
    Change vs previous 13F +181,619 shares

    0.17% of the 13F portfolio, value $18,359,666.

    13F-HR 0000906304-25-000062 filed by ROYCE & ASSOCIATES LP
    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 968,736 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $18,870,977.

    13F-HR 0000906304-24-000143 filed by ROYCE & ASSOCIATES LP
    Filed (acceptance time not in the bulk data set), ingested

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