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Disclosery

Wolf Hill Capital Management, LP: GSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Wolf Hill Capital Management, LP on GSM, newest first. How the timeline and the estimate are built.

Wolf Hill Capital Management, LP held 755,059 GSM shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 755,059 shares
    Change vs previous 13F -100,626 shares

    0.23% of the 13F portfolio, value $2,401,088.

    13F-HR 0001785988-26-000004 filed by Wolf Hill Capital Management, 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 855,685 shares
    Change vs previous 13F -677,384 shares

    0.5% of the 13F portfolio, value $3,525,422.

    13F-HR 0001785988-26-000003 filed by Wolf Hill Capital Management, 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 1,533,069 shares
    Change vs previous 13F -2,385,163 shares

    0.83% of the 13F portfolio, value $7,113,440.

    13F-HR 0001785988-26-000001 filed by Wolf Hill Capital Management, 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/A 3,918,232 shares
    Change vs previous 13F -3,763,337 shares

    1.7% of the 13F portfolio, value $17,827,956.

    13F-HR/A 0001785988-25-000003 filed by Wolf Hill Capital Management, 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 7,681,569 shares
    Change vs previous 13F +500,000 shares

    2.34% of the 13F portfolio, value $28,191,358.

    13F-HR 0001085146-25-004972 filed by Wolf Hill Capital Management, 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 7,181,569 shares
    Change vs previous 13F -55,124 shares

    2.41% of the 13F portfolio, value $26,643,621.

    13F-HR 0001085146-25-003107 filed by Wolf Hill Capital Management, 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 7,236,693 shares
    Change vs previous 13F +714,726 shares

    2.22% of the 13F portfolio, value $27,499,433.

    13F-HR 0001085146-25-001311 filed by Wolf Hill Capital Management, LP
    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 6,521,967 shares
    Change vs previous 13F not available

    2.9% of the 13F portfolio, value $30,261,927.

    13F-HR 0001085146-24-005675 filed by Wolf Hill Capital Management, LP
    Filed (acceptance time not in the bulk data set), ingested

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