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Disclosery

Holocene Advisors, LP: IOSP position timeline

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

Holocene Advisors, LP held 23,760 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 23,760 shares
    Change vs previous 13F -2,713 shares

    <0.01% of the 13F portfolio, value $1,933,826.

    13F-HR 0001172661-26-003735 filed by Holocene Advisors, 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 26,473 shares
    Change vs previous 13F +7,428 shares

    <0.01% of the 13F portfolio, value $1,933,058.

    13F-HR 0001172661-26-002328 filed by Holocene 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 ended2025-12-31
    13F 19,045 shares
    Change vs previous 13F -5,485 shares

    <0.01% of the 13F portfolio, value $1,457,704.

    13F-HR 0001172661-26-001069 filed by Holocene 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 ended2025-09-30
    13F 24,530 shares
    Change vs previous 13F +5,089 shares

    <0.01% of the 13F portfolio, value $1,892,735.

    13F-HR 0001172661-25-005031 filed by Holocene Advisors, 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 19,441 shares
    Change vs previous 13F +11,713 shares

    <0.01% of the 13F portfolio, value $1,634,794.

    13F-HR 0001172661-25-003485 filed by Holocene Advisors, 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 7,728 shares
    Change vs previous 13F +7,728 shares

    <0.01% of the 13F portfolio, value $732,228.

    13F-HR 0001172661-25-002386 filed by Holocene Advisors, 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 0 shares
    Change vs previous 13F -11,123 shares

    13F-HR 0001172661-25-001140 filed by Holocene 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.

  8. period ended2024-09-30
    13F 11,123 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,257,900.

    13F-HR 0001172661-24-005174 filed by Holocene Advisors, LP
    Filed (acceptance time not in the bulk data set), ingested

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