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Disclosery

WASATCH ADVISORS LP: IOSP position timeline

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

WASATCH ADVISORS LP held 0 IOSP shares at 2025-06-30 per its 13F-HR filed 2025-08-14.

the latest 13F is the newest step

  1. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -528,144 shares

    13F-HR 0000814133-25-000074 filed by WASATCH ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-03-31
    13F 528,144 shares
    Change vs previous 13F -1,051,971 shares

    0.28% of the 13F portfolio, value $50,041,644.

    13F-HR 0000814133-25-000058 filed by WASATCH ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2024-12-31
    13F 1,580,115 shares
    Change vs previous 13F -225,431 shares

    0.86% of the 13F portfolio, value $173,907,457.

    13F-HR 0000814133-25-000029 filed by WASATCH ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2024-09-30
    13F 1,805,546 shares
    Change vs previous 13F not available

    1% of the 13F portfolio, value $204,189,197.

    13F-HR 0000814133-24-000115 filed by WASATCH ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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