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Disclosery

RHUMBLINE ADVISERS: AMKR position timeline

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

RHUMBLINE ADVISERS held 315,669 AMKR shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 315,669 shares
    Change vs previous 13F +1,053 shares

    0.02% of the 13F portfolio, value $27,220,086.

    13F-HR 0001115418-26-000005 filed by RHUMBLINE ADVISERS
    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 314,616 shares
    Change vs previous 13F +11,462 shares

    0.01% of the 13F portfolio, value $14,167,120.

    13F-HR 0001115418-26-000003 filed by RHUMBLINE ADVISERS
    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 303,154 shares
    Change vs previous 13F -12,702 shares

    0.01% of the 13F portfolio, value $11,968,485.

    13F-HR 0001115418-26-000002 filed by RHUMBLINE ADVISERS
    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 315,856 shares
    Change vs previous 13F -6,797 shares

    0.01% of the 13F portfolio, value $8,970,288.

    13F-HR 0001115418-25-000021 filed by RHUMBLINE ADVISERS
    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 322,653 shares
    Change vs previous 13F +14,901 shares

    0.01% of the 13F portfolio, value $6,772,445.

    13F-HR 0001115418-25-000017 filed by RHUMBLINE ADVISERS
    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/A 307,752 shares
    Change vs previous 13F -1,391 shares

    0.01% of the 13F portfolio, value $5,557,966.

    13F-HR/A 0001115418-25-000005 filed by RHUMBLINE ADVISERS
    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/A 309,143 shares
    Change vs previous 13F -8,303 shares

    0.01% of the 13F portfolio, value $7,941,847.

    13F-HR/A 0001115418-25-000006 filed by RHUMBLINE ADVISERS
    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 317,446 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $9,713,815.

    13F-HR 0001115418-24-000011 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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