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ROYCE & ASSOCIATES LP: AMSF position timeline

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

ROYCE & ASSOCIATES LP held 790,084 AMSF 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 790,084 shares
    Change vs previous 13F +147,618 shares

    0.22% of the 13F portfolio, value $26,728,542.

    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 642,466 shares
    Change vs previous 13F +31,095 shares

    0.21% of the 13F portfolio, value $21,413,392.

    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 611,371 shares
    Change vs previous 13F +55,750 shares

    0.24% of the 13F portfolio, value $23,482,760.

    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 555,621 shares
    Change vs previous 13F +97,434 shares

    0.24% of the 13F portfolio, value $24,358,425.

    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 458,187 shares
    Change vs previous 13F +62,431 shares

    0.21% of the 13F portfolio, value $20,036,518.

    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 395,756 shares
    Change vs previous 13F +90,395 shares

    0.23% of the 13F portfolio, value $20,796,978.

    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 305,361 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $15,738,306.

    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).