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Disclosery

ROBOTTI ROBERT: AMKR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ROBOTTI ROBERT on AMKR, newest first. How the timeline and the estimate are built.

ROBOTTI ROBERT held 0 AMKR shares at 2026-03-31 per its 13F-HR filed 2026-05-13.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -17,395 shares

    13F-HR 0001140361-26-020972 filed by ROBOTTI ROBERT
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F/A 17,395 shares
    Change vs previous 13F -780 shares

    0.12% of the 13F portfolio, value $686,755.

    13F-HR/A 0001140361-26-006052 filed by ROBOTTI ROBERT
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 18,175 shares
    Change vs previous 13F -173,572 shares

    0.09% of the 13F portfolio, value $516,170.

    13F-HR 0001140361-25-041433 filed by ROBOTTI ROBERT
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 191,747 shares
    Change vs previous 13F -55,080 shares

    0.68% of the 13F portfolio, value $4,024,770.

    13F-HR 0001140361-25-030741 filed by ROBOTTI ROBERT
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 246,827 shares
    Change vs previous 13F +30,990 shares

    0.89% of the 13F portfolio, value $4,457,696.

    13F-HR 0001140361-25-018531 filed by ROBOTTI ROBERT
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 215,837 shares
    Change vs previous 13F +705 shares

    0.97% of the 13F portfolio, value $5,544,853.

    13F-HR 0001140361-25-003938 filed by ROBOTTI ROBERT
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 215,132 shares
    Change vs previous 13F not available

    1% of the 13F portfolio, value $6,583,039.

    13F-HR 0001140361-24-046733 filed by ROBOTTI ROBERT
    Filed (acceptance time not in the bulk data set), ingested

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