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CAPSTONE INVESTMENT ADVISORS, LLC: IOSP position timeline

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

CAPSTONE INVESTMENT ADVISORS, LLC held 9,993 IOSP shares at 2026-06-30 per its 13F-HR filed 2026-08-17.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,993 shares
    Change vs previous 13F -5,764 shares

    0.01% of the 13F portfolio, value $813,330.

    13F-HR 0001426196-26-000004 filed by CAPSTONE INVESTMENT ADVISORS, LLC
    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 15,757 shares
    Change vs previous 13F +4,405 shares

    0.01% of the 13F portfolio, value $1,150,576.

    13F-HR 0001426196-26-000003 filed by CAPSTONE INVESTMENT ADVISORS, LLC
    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 11,352 shares
    Change vs previous 13F +4,560 shares

    0.01% of the 13F portfolio, value $868,882.

    13F-HR 0001426196-26-000001 filed by CAPSTONE INVESTMENT ADVISORS, LLC
    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 6,792 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $524,071.

    13F-HR 0001426196-25-000006 filed by CAPSTONE INVESTMENT ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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