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ATLANTIC INVESTMENT MANAGEMENT, INC.: OSK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ATLANTIC INVESTMENT MANAGEMENT, INC. on OSK, newest first. How the timeline and the estimate are built.

ATLANTIC INVESTMENT MANAGEMENT, INC. held 83,700 OSK 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 83,700 shares
    Change vs previous 13F -52,600 shares

    6.69% of the 13F portfolio, value $12,846,276.

    13F-HR 0001493152-26-038311 filed by ATLANTIC INVESTMENT MANAGEMENT, INC.
    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 136,300 shares
    Change vs previous 13F -18,300 shares

    11.69% of the 13F portfolio, value $20,064,723.

    13F-HR 0001493152-26-023724 filed by ATLANTIC INVESTMENT MANAGEMENT, INC.
    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 154,600 shares
    Change vs previous 13F +5,500 shares

    10.93% of the 13F portfolio, value $19,422,398.

    13F-HR 0001493152-26-007089 filed by ATLANTIC INVESTMENT MANAGEMENT, INC.
    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 149,100 shares
    Change vs previous 13F -60,000 shares

    11.11% of the 13F portfolio, value $19,338,270.

    13F-HR 0001493152-25-023434 filed by ATLANTIC INVESTMENT MANAGEMENT, INC.
    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 209,100 shares
    Change vs previous 13F -26,800 shares

    12.11% of the 13F portfolio, value $23,741,214.

    13F-HR 0001641172-25-023987 filed by ATLANTIC INVESTMENT MANAGEMENT, INC.
    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 235,900 shares
    Change vs previous 13F +5,900 shares

    12.4% of the 13F portfolio, value $22,193,472.

    13F-HR 0001641172-25-010906 filed by ATLANTIC INVESTMENT MANAGEMENT, INC.
    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 230,000 shares
    Change vs previous 13F not available

    10.56% of the 13F portfolio, value $21,866,100.

    13F-HR 0001493152-25-006869 filed by ATLANTIC INVESTMENT MANAGEMENT, INC.
    Filed (acceptance time not in the bulk data set), ingested

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