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ROYCE & ASSOCIATES LP: IOSP position timeline

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

ROYCE & ASSOCIATES LP held 308,726 IOSP 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 308,726 shares
    Change vs previous 13F +47,390 shares

    0.2% of the 13F portfolio, value $25,127,209.

    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 261,336 shares
    Change vs previous 13F -43,890 shares

    0.19% of the 13F portfolio, value $19,082,755.

    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 305,226 shares
    Change vs previous 13F -187,388 shares

    0.24% of the 13F portfolio, value $23,361,998.

    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 492,614 shares
    Change vs previous 13F -134,888 shares

    0.38% of the 13F portfolio, value $38,010,096.

    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 627,502 shares
    Change vs previous 13F -26,134 shares

    0.54% of the 13F portfolio, value $52,766,643.

    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 653,636 shares
    Change vs previous 13F -124,075 shares

    0.67% of the 13F portfolio, value $61,932,011.

    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 777,711 shares
    Change vs previous 13F -57,622 shares

    0.79% of the 13F portfolio, value $85,594,873.

    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 835,333 shares
    Change vs previous 13F not available

    0.86% of the 13F portfolio, value $94,467,809.

    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).