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Graphene Investments SAS: ATI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Graphene Investments SAS on ATI, newest first. How the timeline and the estimate are built.

Graphene Investments SAS held 16,800 ATI shares at 2026-06-30 per its 13F-HR filed 2026-07-20.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 16,800 shares
    Change vs previous 13F -3,100 shares

    1.93% of the 13F portfolio, value $3,311,280.

    13F-HR 0001965776-26-000003 filed by Graphene Investments SAS
    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 19,900 shares
    Change vs previous 13F -8,500 shares

    1.94% of the 13F portfolio, value $2,894,654.

    13F-HR 0001965776-26-000002 filed by Graphene Investments SAS
    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 28,400 shares
    Change vs previous 13F -12,000 shares

    2.04% of the 13F portfolio, value $3,259,184.

    13F-HR 0001965776-26-000001 filed by Graphene Investments SAS
    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 40,400 shares
    Change vs previous 13F +3,500 shares

    2.08% of the 13F portfolio, value $3,286,136.

    13F-HR 0001965776-25-000005 filed by Graphene Investments SAS
    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 36,900 shares
    Change vs previous 13F -16,500 shares

    2.08% of the 13F portfolio, value $3,185,946.

    13F-HR 0001965776-25-000004 filed by Graphene Investments SAS
    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 53,400 shares
    Change vs previous 13F +6,300 shares

    2.03% of the 13F portfolio, value $2,778,402.

    13F-HR 0001965776-25-000003 filed by Graphene Investments SAS
    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 47,100 shares
    Change vs previous 13F 0 shares

    1.79% of the 13F portfolio, value $2,592,384.

    13F-HR 0001965776-25-000001 filed by Graphene Investments SAS
    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 47,100 shares
    Change vs previous 13F not available

    2.02% of the 13F portfolio, value $3,151,461.

    13F-HR 0001965776-24-000005 filed by Graphene Investments SAS
    Filed (acceptance time not in the bulk data set), ingested

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