Skip to content
Disclosery

OBERWEIS ASSET MANAGEMENT INC/: SIMO position timeline

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

OBERWEIS ASSET MANAGEMENT INC/ held 316,350 SIMO 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 316,350 shares
    Change vs previous 13F +33,800 shares

    2.18% of the 13F portfolio, value $105,448,946.

    13F-HR 0001213900-26-089777 filed by OBERWEIS ASSET MANAGEMENT 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 282,550 shares
    Change vs previous 13F +46,250 shares

    0.94% of the 13F portfolio, value $31,727,540.

    13F-HR 0001213900-26-057307 filed by OBERWEIS ASSET MANAGEMENT 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 236,300 shares
    Change vs previous 13F +5,700 shares

    0.8% of the 13F portfolio, value $21,905,010.

    13F-HR 0001213900-26-017101 filed by OBERWEIS ASSET MANAGEMENT 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 230,600 shares
    Change vs previous 13F 0 shares

    0.84% of the 13F portfolio, value $21,863,186.

    13F-HR 0001213900-25-111225 filed by OBERWEIS ASSET MANAGEMENT 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 230,600 shares
    Change vs previous 13F +47,500 shares

    0.75% of the 13F portfolio, value $17,334,202.

    13F-HR 0001213900-25-076460 filed by OBERWEIS ASSET MANAGEMENT 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 183,100 shares
    Change vs previous 13F +25,200 shares

    0.46% of the 13F portfolio, value $9,257,536.

    13F-HR 0001213900-25-043859 filed by OBERWEIS ASSET MANAGEMENT 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 157,900 shares
    Change vs previous 13F -119,400 shares

    0.4% of the 13F portfolio, value $8,534,495.

    13F-HR 0001213900-25-013939 filed by OBERWEIS ASSET MANAGEMENT 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 277,300 shares
    Change vs previous 13F not available

    0.86% of the 13F portfolio, value $16,843,202.

    13F-HR 0001213900-24-098012 filed by OBERWEIS ASSET MANAGEMENT INC/
    Filed (acceptance time not in the bulk data set), ingested

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