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Disclosery

HEARTLAND ADVISORS INC: SIMO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of HEARTLAND ADVISORS INC on SIMO, newest first. How the timeline and the estimate are built.

HEARTLAND ADVISORS INC held 123,895 SIMO shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 123,895 shares
    Change vs previous 13F -128,189 shares

    1.84% of the 13F portfolio, value $41,297,920.

    13F-HR 0000892712-26-000340 filed by HEARTLAND ADVISORS INC
    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 252,084 shares
    Change vs previous 13F -20,314 shares

    1.44% of the 13F portfolio, value $28,306,512.

    13F-HR 0000892712-26-000226 filed by HEARTLAND ADVISORS INC
    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 272,398 shares
    Change vs previous 13F -83,372 shares

    1.36% of the 13F portfolio, value $25,251,295.

    13F-HR 0000892712-26-000080 filed by HEARTLAND ADVISORS INC
    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 355,770 shares
    Change vs previous 13F -45,962 shares

    1.78% of the 13F portfolio, value $33,730,554.

    13F-HR 0000892712-25-000143 filed by HEARTLAND ADVISORS INC
    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 401,732 shares
    Change vs previous 13F -49,023 shares

    1.68% of the 13F portfolio, value $30,198,194.

    13F-HR 0000892712-25-000090 filed by HEARTLAND ADVISORS INC
    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 450,755 shares
    Change vs previous 13F +3,617 shares

    1.31% of the 13F portfolio, value $22,790,173.

    13F-HR 0000892712-25-000061 filed by HEARTLAND ADVISORS INC
    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 447,138 shares
    Change vs previous 13F +79,383 shares

    1.31% of the 13F portfolio, value $24,167,809.

    13F-HR 0000892712-25-000032 filed by HEARTLAND ADVISORS INC
    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 367,755 shares
    Change vs previous 13F not available

    1.17% of the 13F portfolio, value $22,337,439.

    13F-HR 0000892712-24-000127 filed by HEARTLAND ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

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