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Disclosery

TWINBEECH CAPITAL LP: AMKR position timeline

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

TWINBEECH CAPITAL LP held 2,452 AMKR 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 2,452 shares
    Change vs previous 13F +2,452 shares

    0.04% of the 13F portfolio, value $211,436.

    13F-HR 0001214659-26-010391 filed by TWINBEECH CAPITAL 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 0 shares
    Change vs previous 13F -165,200 shares

    13F-HR 0001214659-26-006477 filed by TWINBEECH CAPITAL LP
    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.

  3. period ended2025-12-31
    13F 165,200 shares
    Change vs previous 13F +50,599 shares

    0.46% of the 13F portfolio, value $6,522,096.

    13F-HR 0001214659-26-001991 filed by TWINBEECH CAPITAL 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 114,601 shares
    Change vs previous 13F -154,370 shares

    0.13% of the 13F portfolio, value $3,254,668.

    13F-HR 0001214659-25-016644 filed by TWINBEECH CAPITAL 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 268,971 shares
    Change vs previous 13F -93,234 shares

    0.13% of the 13F portfolio, value $5,645,701.

    13F-HR 0001214659-25-012237 filed by TWINBEECH CAPITAL 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 362,205 shares
    Change vs previous 13F +346,171 shares

    0.12% of the 13F portfolio, value $6,541,422.

    13F-HR 0001214659-25-007843 filed by TWINBEECH CAPITAL 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 16,034 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $411,913.

    13F-HR 0001214659-25-002853 filed by TWINBEECH CAPITAL LP
    Filed (acceptance time not in the bulk data set), ingested

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