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RENAISSANCE TECHNOLOGIES LLC: GHM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of RENAISSANCE TECHNOLOGIES LLC on GHM, newest first. How the timeline and the estimate are built.

RENAISSANCE TECHNOLOGIES LLC held 207,768 GHM 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 207,768 shares
    Change vs previous 13F -39,600 shares

    0.04% of the 13F portfolio, value $25,719,601.

    13F-HR 0001037389-26-000059 filed by RENAISSANCE TECHNOLOGIES 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 247,368 shares
    Change vs previous 13F -21,000 shares

    0.03% of the 13F portfolio, value $19,522,283.

    13F-HR 0001037389-26-000033 filed by RENAISSANCE TECHNOLOGIES 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 268,368 shares
    Change vs previous 13F -40,300 shares

    0.03% of the 13F portfolio, value $17,237,277.

    13F-HR 0001037389-26-000023 filed by RENAISSANCE TECHNOLOGIES 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 308,668 shares
    Change vs previous 13F -16,400 shares

    0.02% of the 13F portfolio, value $16,945,873.

    13F-HR 0001037389-25-000064 filed by RENAISSANCE TECHNOLOGIES LLC
    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 325,068 shares
    Change vs previous 13F -2,600 shares

    0.02% of the 13F portfolio, value $16,094,117.

    13F-HR 0001037389-25-000034 filed by RENAISSANCE TECHNOLOGIES LLC
    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 327,668 shares
    Change vs previous 13F -47,700 shares

    0.01% of the 13F portfolio, value $9,443,392.

    13F-HR 0001037389-25-000023 filed by RENAISSANCE TECHNOLOGIES LLC
    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 375,368 shares
    Change vs previous 13F +29,900 shares

    0.02% of the 13F portfolio, value $16,692,615.

    13F-HR 0001037389-25-000009 filed by RENAISSANCE TECHNOLOGIES LLC
    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 345,468 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $10,222,398.

    13F-HR 0001037389-24-000091 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

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