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Leeward Investments, LLC - MA: IOSP position timeline

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

Leeward Investments, LLC - MA held 125,308 IOSP shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 125,308 shares
    Change vs previous 13F +55,498 shares

    0.46% of the 13F portfolio, value $10,198,818.

    13F-HR 0001923173-26-000003 filed by Leeward Investments, LLC - MA
    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 69,810 shares
    Change vs previous 13F -1,877 shares

    0.25% of the 13F portfolio, value $5,097,526.

    13F-HR 0001923173-26-000002 filed by Leeward Investments, LLC - MA
    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 71,687 shares
    Change vs previous 13F -437 shares

    0.28% of the 13F portfolio, value $5,486,923.

    13F-HR 0001923173-26-000001 filed by Leeward Investments, LLC - MA
    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 72,124 shares
    Change vs previous 13F -1,610 shares

    0.28% of the 13F portfolio, value $5,565,088.

    13F-HR 0001923173-25-000003 filed by Leeward Investments, LLC - MA
    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 73,734 shares
    Change vs previous 13F -2,705 shares

    0.33% of the 13F portfolio, value $6,200,292.

    13F-HR 0001085146-25-004377 filed by Leeward Investments, LLC - MA
    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 76,439 shares
    Change vs previous 13F -3,591 shares

    0.39% of the 13F portfolio, value $7,242,595.

    13F-HR 0001085146-25-002401 filed by Leeward Investments, LLC - MA
    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 80,030 shares
    Change vs previous 13F -5,974 shares

    0.44% of the 13F portfolio, value $8,808,102.

    13F-HR 0001085146-25-000724 filed by Leeward Investments, LLC - MA
    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 86,004 shares
    Change vs previous 13F not available

    0.45% of the 13F portfolio, value $9,726,192.

    13F-HR 0001085146-24-005263 filed by Leeward Investments, LLC - MA
    Filed (acceptance time not in the bulk data set), ingested

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