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ROYCE & ASSOCIATES LP: ATEC position timeline

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

ROYCE & ASSOCIATES LP held 306,066 ATEC 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 306,066 shares
    Change vs previous 13F +65,013 shares

    0.02% of the 13F portfolio, value $2,647,471.

    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 241,053 shares
    Change vs previous 13F -61,625 shares

    0.03% of the 13F portfolio, value $2,622,657.

    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 302,678 shares
    Change vs previous 13F -252,016 shares

    0.06% of the 13F portfolio, value $6,368,345.

    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 554,694 shares
    Change vs previous 13F -85,481 shares

    0.08% of the 13F portfolio, value $8,065,251.

    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 640,175 shares
    Change vs previous 13F -507,804 shares

    0.07% of the 13F portfolio, value $7,105,942.

    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 1,147,979 shares
    Change vs previous 13F +143,478 shares

    0.13% of the 13F portfolio, value $11,640,507.

    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 1,004,501 shares
    Change vs previous 13F -207,785 shares

    0.09% of the 13F portfolio, value $9,221,319.

    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 1,212,286 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $6,740,310.

    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).